Polyurethane foam and method of forming the same

Abstract

To provide a polyurethane foam having high elongation and sufficient tensile strength to promote high peel strength when used in an adhesive tape and a method for forming the same.SOLUTION: Polyurethane foams for use in adhesive tapes include isocyanate polymer components, polyols components including polyols having a molecular weight of at least 500kg / mole and no more than 6000kg / mole, and hollow fillers, wherein the polyurethane foams include densities of at least 250g / L, and wherein the polyols components include polycaprolactone polyols.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present disclosure relates to polyurethane foams and methods of forming same, more particularly The present disclosure provides a method for producing a cellulose acylate film that promotes high peel strength when used in adhesive tapes and methods for forming the same. The present invention relates to a polyurethane foam having high elongation and sufficient tensile strength to [Background technology]

[0002] Foam tapes used in applications requiring high peel strength are generally made of acrylic foam. The acrylic foam material is included because it also has high elongation performance. Foam tapes containing polyurethane foam materials generally have low peel strength, which The polyurethane foam material has low elongation performance, which allows for energy dissipation. However, polyurethane foam materials have a lower viscosity than acrylic materials. This may have several advantages, such as greater oil and solvent resistance and greater toughness. , the curing process is simpler and the usable temperature range is wider, thus achieving high peel strength. Polyurethane foam with high elongation that can be used in foam tape applications requiring A blend is preferred. Summary of the Invention

[0003] According to a first aspect, the polyurethane foam comprises an isocyanate polymer component and a polyurethane foam. The polyol component may comprise a polyol component having a molecular weight of at least about 500 kg / mol and a molecular weight of at least about 60 kg / mol. The polyurethane foam may comprise a polyol having a molecular weight of 0.000 kg / mol or less. It may have an elongation of at least about 500%.

[0004] According to yet another aspect, the polyurethane foam comprises an isocyanate polymer component and and a polyol component. The polyol component may comprise at least about 500 kg / mol and about The polyurethane foam may contain a polyol having a molecular weight of 6000 kg / mol or less. may have a density of at least about 250 g / L.

[0005] According to yet another aspect, the polyurethane foam comprises an isocyanate polymer component and and a polyol component. The polyol component may comprise at least about 500 kg / mol and about The polyurethane foam may contain a polyol having a molecular weight of 6000 kg / mol or less. may have a tensile strength of about 1000 kPa or less.

[0006] According to yet another aspect, the adhesive tape comprises a layer of polyurethane foam and a layer of polyurethane and an acrylic adhesive layer overlying the surface of the foam layer. The polyol component may comprise a polyisocyanate polymer component and a polyol component. a polyol having a molecular weight of at least about 500 kg / mole and not more than about 6000 kg / mole; The polyurethane foam may have an elongation of at least about 500%.

[0007] According to yet another aspect, the adhesive tape comprises a layer of polyurethane foam and a layer of polyurethane and an acrylic adhesive layer overlying the surface of the foam layer. The polyol component may comprise a polyisocyanate polymer component and a polyol component. a polyol having a molecular weight of at least about 500 kg / mole and not more than about 6000 kg / mole; The polyurethane foam may have a density of at least about 250 g / L.

[0008] According to yet another aspect, the adhesive tape comprises a layer of polyurethane foam and a layer of polyurethane and an acrylic adhesive layer overlying the surface of the foam layer. The polyol component may comprise a polyisocyanate polymer component and a polyol component. a polyol having a molecular weight of at least about 500 kg / mole and not more than about 6000 kg / mole; The polyurethane foam may have a tensile strength of about 1000 kPa or less.

[0009] According to another embodiment, the adhesive tape comprises a layer of polyurethane foam and a layer of polyurethane foam. and an acrylic adhesive layer overlying the surface of the polyurethane foam layer. The polyol component may comprise a cyanate polymer component and a polyol component. Also includes a polyol having a molecular weight of about 500 kg / mol and less than about 6000 kg / mol. The adhesive tape may have a peel strength of at least about 10 N / cm.

[0010] According to yet another aspect, a method of forming a polyurethane foam comprises adding a foam-forming component providing a foam-forming component A; providing a foam-forming component B; and mixing foam-forming component B to form a foam-forming mixture; and forming the product into a polyurethane foam. The polyol component may comprise a polyol component having a viscosity of at least about 500 kg / mol and at least about 600 The foam-forming component B may comprise a polyol having a molecular weight of 0 kg / mol or less. It may contain a cyanate polymer component. [Brief explanation of the drawings]

[0011] Embodiments are illustrated by way of example and not limitation in the accompanying figures. [Figure 1] 1 includes a diagram illustrating a polyurethane foam forming method 100 according to embodiments described herein.

[0012] Skilled artisans will appreciate that elements in the figures are illustrated for simplicity and clarity and are not necessarily drawn to scale. They understand that the picture is not exactly as it appears. DETAILED DESCRIPTION OF THE INVENTION

[0013] The following description will focus on specific implementations and embodiments of the present teachings. The description is provided to help explain certain embodiments and is not intended to be limiting of the scope of the present disclosure and It should not be construed as a limitation on the scope or applicability of the present teachings. It is understood that this can be used based on the disclosure and teachings provided herein. It will be done.

[0014] The terms "comprises," "comprising," and "including" "includes," "including," "has," "Having," or any other variation thereof, is intended to include a non-exclusive inclusion. For example, a method, article, or apparatus that includes a list of features does not necessarily Such method, article, or apparatus includes, but is not limited to, only those features expressly listed. It may also include other features not explicitly mentioned or not inherent in the invention. Unless otherwise stated, "or" refers to an inclusive or and not an exclusive or. does not imply a logical "or." For example, condition A or B can be satisfied by one of the following: A is true (or exists) and B is false (or does not exist), A is false (or does not exist). A does not exist) and B is true (or exists), and both A and B are true (or exist). (This is the case.)

[0015] Also, the use of "a" or "an" refers to any element and This is done merely for convenience and to provide a general understanding of the scope of the invention. This explanation is given to give a sense of meaning, unless it is clear that something else is meant. The singular form should be read to include one, at least one, or the plural, or vice versa. For example, where a single item is described herein, multiple items may be used instead of the single item. Similarly, where multiple items are described herein, those multiple items may be used. A single item may be used in place of several items.

[0016] Embodiments described herein generally relate to polyurethane foams and methods for forming same. and more specifically to promote high peel strength when used in adhesive tapes. The present invention relates to a polyurethane foam having a high elongation and a tensile strength sufficient for the purpose.

[0017] For purposes of illustration, FIG. 1 shows a polyurethane foam according to certain embodiments described herein. Included are diagrams illustrating a foam forming method 100. The polyurethane forming method 100 includes a foam forming component. a first step 110 of providing component A, and a second step 120 of providing foam-forming component B; foam-forming component A and foam-forming component B are mixed to form a foam-forming mixture. a third step 130 of forming the foam-forming mixture into a polyurethane foam; and a fourth step 131 of forming the foam-forming mixture into a polyurethane foam. The method may include a step 140.

[0018] Referring to the first step 110 of the polyurethane foam forming method 100, in one particular implementation According to an embodiment, foam-forming component A may comprise a polyol component.

[0019] According to one particular embodiment, the foam-forming component A comprises a specific content of a polyol component For example, foam-forming component A may contain a small amount of at least about 35% by weight, e.g., at least about 40% by weight or at least about 45% by weight or at least about 50% by weight, or at least about 55% by weight, or at least about 60% by weight % or at least about 65% by weight or even at least about 70% by weight of poly According to yet another embodiment, the foam-forming component A may comprise a foam About 100% by weight or less, for example, about 99% by weight or less, based on the total weight of forming component A 98% by weight or less, or about 97% by weight or less, or about 96% by weight or less, or about 95% by weight or less or about 94% by weight or less, or about 93% by weight or less, or about 92% by weight or less, or about 91% by weight or less The foam may contain up to about 90% by weight of a polyol component. The content of the polyol component in the forming component A is either the minimum value or the maximum value described above. It will be understood that the polyol in foam-forming component A may be in the range between The content of the component can be any value between any of the minimum and maximum values ​​stated above. It will be further understood that

[0020] According to one particular embodiment, the polyol component of foam-forming component A has a particular molecular weight For example, the polyol of the polyol component may include a polyol having at least about 500 kg / mol, e.g., at least about 550 kg / mol or at least about 600 kg / mol g / mol or at least about 650 kg / mol or at least about 700 kg / mol or is at least about 750 kg / mol or at least about 800 kg / mol or at least about 850 kg / mol or at least about 900 kg / mol or at least about 950 kg / mol or at least about 1000 kg / mol or at least about 1050 kg / mol or at least about 1100 kg / mol or at least about 1150 kg / mol or less at least about 1200 kg / mol or at least about 1250 kg / mol or at least about 1300 kg / mol or at least about 1350 kg / mol or at least about 1400 kg / mol or even at least about 1500 kg / mol. According to this embodiment, the polyol component has a viscosity of about 6000 kg / mol or less, for example, about 575 0 kg / mol or less or about 5500 kg / mol or less or about 5250 kg / mol or less about 5000 kg / mol or less, or about 4750 kg / mol or less, or about 4500 kg / mol or less than about 4250 kg / mol or less than about 4000 kg / mol or less than about 375 0 kg / mol or less or about 3500 kg / mol or less or about 3250 kg / mol or less The polyol may further have a molecular weight of about 3000 kg / mol or less. It will be understood that the range may be between any of the minimum and maximum values. The molecular weight of the polyol may be any value between any of the minimum and maximum values ​​mentioned above. It will be further understood that this is possible.

[0021] According to one particular embodiment, the polyol component of foam-forming component A is a polyether According to yet another embodiment, the polyol of foam-forming component A may be The components may include polyester polyols. According to yet another embodiment, the foam form The polyol component of component A is a mixture of polyether polyol and polyester polyol. It may include a combination.

[0022] According to yet another embodiment, the polyol component of foam-forming component A may further comprise a chain extender. According to yet another embodiment, the polyol component of foam-forming component A may further comprise: According to yet another embodiment, the polyol component may also contain a surfactant. According to yet another embodiment, the polyol component of foam-forming component A may contain added According to yet another embodiment, the polyol of foam-forming component A may further comprise , chain extenders, catalysts, surfactants, and any combination of additives.

[0023] According to yet another embodiment, the polyol component of foam-forming component A is polycaprolactone. It may contain lactone polyols.

[0024] According to yet another embodiment, the polyol component of foam-forming component A has a specific content For example, the polyol of foam-forming component A may include a polycaprolactone polyol of the formula: The component may be at least about 5% by weight, for example at least about 6% by weight or at least about 7% by weight or at least about 8% by weight or at least about 9% by weight or at least about 10% by weight or at least about 11% by weight or at least about 12% by weight, or at least about 13% by weight, or at least about 14% by weight, or even It may contain at least about 15% by weight of polycaprolactone polyol. According to this embodiment, the polyol component of foam-forming component A is about 100% by weight of the total polyol component. about 30% by weight or less, for example, about 29% by weight or less or about 28% by weight or less, about 27% by weight or less, or about 26% by weight or less, or about 25% by weight or less, or about 24% by weight or less or about 23% by weight or less, or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less % by weight or less, or about 19% by weight or less, or even about 18% by weight or less of polycaprolactone The polyol component may contain a lactone polyol. It is understood that the amount can be within a range between any of the minimum and maximum values ​​stated above. The content of polycaprolactone polyol in the polyol component is It is further understood that the minimum and maximum values ​​may be any value between any of the minimum and maximum values. It would be.

[0025] According to yet other embodiments, foam-forming component A may further comprise a hollow filler.

[0026] According to one particular embodiment, foam-forming component A contains a particular content of hollow filler. For example, foam-forming component A may contain at least At least about 4.0 wt. %, for example, at least about 4.5 wt. % or at least about 5.0 wt. %. % or at least about 5.5% by weight or at least about 6.0% by weight or at least about 6.5% by weight or at least about 7.0% by weight or at least about 7.5% by weight or less at least about 8.0% by weight, or at least about 8.5% by weight, or at least about 9.0% by weight % or at least about 9.5% by weight or even at least about 10.0% by weight According to yet another embodiment, the foam-forming component A may comprise a foam about 25% by weight or less, for example, about 24.5% by weight or less, based on the total weight of forming component A; about 24.0% by weight or less, or about 23.5% by weight or less, or about 23.0% by weight or less, or about 22.5% by weight or less, or about 22.0% by weight or less, or about 21.5% by weight or less, or about 2 1.0% by weight or less, or about 20.5% by weight or less, or about 20.0% by weight or less, or about 19 0.5% by weight or less or about 19.0% by weight or less or about 18.5% by weight or less or about 18. 0% by weight or less, or about 17.5% by weight or less, or about 17.0% by weight or less, or about 16.5 % by weight or less, or about 16.0% by weight or less, or about 15.5% by weight or less, or about 15.0% by weight or less % by weight or less or about 14.5% by weight or less or about 14.0% by weight or less or about 13.5% by weight % or less, or about 13.0% by weight or less, or about 12.5% ​​by weight or less, or even about 12.0 The foam-forming component A may contain hollow fillers in an amount of up to 100% by weight. It is understood that the amount can be within a range between any of the minimum and maximum values ​​stated above. The content of hollow filler in foam-forming component A is within the above-mentioned minimum and maximum values. It will further be understood that the value may be any value between any of the values.

[0027] According to yet another embodiment, foam-forming component A further comprises calcium carbonate filler. It may include.

[0028] According to one particular embodiment, the foam-forming component A comprises a specific content of calcium carbonate. For example, foam-forming component A may contain a filler, based on the total weight of foam-forming component A. and at least about 3% by weight, for example, at least about 3.5% by weight or at least about 4. 0% by weight or at least about 4.5% by weight or at least about 5.0% by weight or less At least about 5.5% by weight or at least about 6.0% by weight or at least about 6.5% by weight or at least about 7.0% by weight or even at least about 7.5% by weight of carbonate According to yet another embodiment, foam-forming component A may comprise a foam-forming component B. about 20% by weight or less, for example, about 19.5% by weight or less, based on the total weight of the foam-forming component A or about 19.0% by weight or less, or about 18.5% by weight or less, or about 18.0% by weight or less, about 17.5% by weight or less, or about 17.0% by weight or less, or about 16.5% by weight or less, or about 16.0% by weight or less, or about 15.5% by weight or less, or about 15.0% by weight or less, or about 14.5% by weight or less, or about 14.0% by weight or less, or about 13.5% by weight or less, or about 1 Contains 3.0% by weight or less, or about 12.5% ​​by weight or less, or even about 12.0% by weight or less The amount of calcium carbonate filler in foam-forming component A may be It is understood that the content may be within a range between any of the minimum and maximum values ​​stated above. It will be understood that the content of calcium carbonate filler in foam-forming component A is It will be further understood that the value may be any value between any of the minimum and maximum values. There will be.

[0029] According to yet other embodiments, foam-forming component A may further comprise a chain extender.

[0030] According to one particular embodiment, foam-forming component A contains a particular content of chain extender. For example, foam-forming component A may contain at least 100% by weight of foam-forming component A. at least about 2.5 wt. %, e.g., at least about 2.75 wt. % or at least about 3.0 wt. % % or at least about 3.25% by weight or at least about 3.5% by weight or at least about 3.75% by weight or at least about 4.0% by weight or at least about 4.25% by weight or at least about 4.5% by weight or even at least about 4.75% by weight of chain extension copolymers; According to yet another embodiment, foam-forming component A may comprise a foam-forming component B. About 10% by weight or less, for example, about 9.75% by weight or less, or about 9. 5% by weight or less, or about 9.25% by weight or less, or about 9.0% by weight or less, or about 8.75% by weight or less % by weight or less, or about 8.5% by weight or less, or about 8.25% by weight or less, or about 8.0% by weight or less or less than about 7.75% by weight or less than about 7.5% by weight or less than about 7.25% by weight or less or about 7.0% by weight or less, or about 6.25% by weight or less, or about 6.0% by weight or less, or about It may contain chain extenders in amounts up to 6.75% by weight or even up to about 6.5% by weight. The content of chain extender in foam-forming component A is either the minimum or maximum value mentioned above. It will be understood that the amount of chain extender in foam-forming component A can be within the range of The content may be any value between any of the minimum and maximum values ​​stated above. It will be further understood.

[0031] According to yet other embodiments, foam-forming component A may further comprise a surfactant.

[0032] According to one particular embodiment, the foam-forming component A contains a particular content of surfactant. For example, foam-forming component A may contain at least At least about 0.4% by weight, for example, at least about 0.5% by weight or at least about 0.6% by weight % or at least about 0.7% by weight or at least about 0.8% by weight or at least about 0.9% by weight or at least about 1.0% by weight or at least about 1.5% by weight or less at least about 2.0% by weight, or at least about 2.5% by weight, or at least about 3.0% by weight % or at least about 3.5% by weight or at least about 4.0% by weight or at least about 4.5% by weight or at least about 5.0% by weight or at least about 5.5% by weight or more In yet another embodiment, the composition may further comprise a surfactant in an amount of at least about 6.0% by weight. According to this, the foam-forming component A is present in an amount of about 12% by weight or more based on the total weight of the foam-forming component A. or less, for example, about 11.5% by weight or less, or about 11.0% by weight or less, or about 10.5% by weight or less or less, or about 10.0% by weight or less, or about 9.5% by weight or less, or about 9.0% by weight or less or about 8.5% by weight or less, or about 8.0% by weight or less, or about 7.5% by weight or less, or even The surfactant in foam-forming component A may be present in an amount of about 7.0% by weight or less. The content of the anti-aging agent may be within a range between any of the minimum and maximum values ​​mentioned above. It will be understood that the surfactant content in foam-forming component A is the minimum value mentioned above. It will be further understood that the value of the saturation voltage may be any value between any of the above values. cormorant.

[0033] Now, referring to the second step 120 of the polyurethane foam forming method 100, According to certain embodiments, foam-forming component B may include an isocyanate polymer component. According to one particular embodiment, the isocyanate polymer component is an MDI prepolymer. According to another embodiment, the isocyanate polymer component may include PMDI. According to yet another embodiment, the isocyanate polymer component is a mixture of PMDI and MD The composition may include a combination of prepolymers.

[0034] According to one particular embodiment, foam-forming component B contains a particular content of isocyanate. For example, foam-forming component B may contain a polymer. and at least about 90.0% by weight, for example, at least about 90.5% by weight or less. At least about 91.0% by weight, or at least about 91.5% by weight, or at least about 92.0% by weight % by weight or at least about 92.5% by weight or at least about 93.0% by weight or less At least about 93.5% by weight or at least about 94.0% by weight or at least about 94.5% by weight % by weight or at least about 95.0% by weight or at least about 95.5% by weight or less At least about 96.0% by weight, or at least about 96.5% by weight, or at least about 97.0% by weight % by weight or at least about 97.5% by weight or even at least about 98.0% by weight According to yet another embodiment, the foam-forming component may include an amount of an isocyanate polymer. Component B is 100% by weight or less, for example, about 99.9%, based on the total weight of foam-forming component B. % by weight or less, or about 99.8% by weight or less, or about 99.7% by weight or less, or about 99.6% by weight or less % by weight or less, or about 99.5% by weight or less, or about 99.4% by weight or less, or about 99.3% by weight or less % or less, or about 99.2% by weight or less, or about 99.1% by weight or less, or even about 99.0 The isocyanate polymer in the foam-forming component B may be present in an amount of up to 100% by weight. The cyanate polymer content is within the range between any of the above minimum and maximum values. It will be understood that the isocyanate polymer in foam-forming component B may be The content of the compound may be any value between any of the minimum and maximum values ​​stated above. It will be further understood that

[0035] According to certain embodiments, the foam-forming mixture comprises a specific content of a polyol component. For example, the foam-forming mixture may contain, by weight of the total foam-forming mixture, at least about 30% by weight, e.g., at least about 35% by weight or at least about 40% by weight or at least about 45% by weight, or at least about 50% by weight, or at least about 55% by weight % or even at least about 60% by weight of a polyol component. According to another embodiment, the foam-forming mixture comprises, based on the total weight of the foam-forming mixture: About 85% by weight or less, for example, about 84% by weight or less, or about 83% by weight or less, or about 82% by weight or less % or less, or about 81% by weight or less, or about 80% by weight or less, or about 79% by weight or less, or about 78% by weight or less, or about 77% by weight or less, or about 76% by weight or less, or about 75% by weight or less or about 74% by weight or less, or about 73% by weight or less, or about 72% by weight or less, or about 71% by weight or less The foam may contain a polyol component in an amount of up to about 70% by weight or even up to about 70% by weight. The content of the polyol component in the mixture is within the above-mentioned minimum and maximum values. It will be understood that the polyol in the foam-forming mixture may range between The content of the component can be any value between any of the minimum and maximum values ​​stated above. It will be further understood that

[0036] According to certain embodiments, the polyol component of the foam-forming mixture may be selected from a group consisting of polyols of a particular molecular weight For example, the polyol of the polyol component may include a polyol having at least about 500 kg / mol, e.g., at least about 550 kg / mol or at least about 600 kg / mol g / mol or at least about 650 kg / mol or at least about 700 kg / mol or is at least about 750 kg / mol or at least about 800 kg / mol or at least about 850 kg / mol or at least about 900 kg / mol or at least about 950 kg / mol or at least about 1000 kg / mol or at least about 1050 kg / mol or at least about 1100 kg / mol or at least about 1150 kg / mol or less at least about 1200 kg / mol or at least about 1250 kg / mol or at least about 1300 kg / mol or at least about 1350 kg / mol or at least about 1400 kg / mol or even at least about 1500 kg / mol. According to this embodiment, the polyol component has a viscosity of about 6000 kg / mol or less, for example, about 575 0 kg / mol or less or about 5500 kg / mol or less or about 5250 kg / mol or less about 5000 kg / mol or less, or about 4750 kg / mol or less, or about 4500 kg / mol or less than about 4250 kg / mol or less than about 4000 kg / mol or less than about 375 0 kg / mol or less or about 3500 kg / mol or less or about 3250 kg / mol or less The polyol may further have a molecular weight of about 3000 kg / mol or less. It will be understood that the range may be between any of the minimum and maximum values. The molecular weight of the polyol may be any value between any of the minimum and maximum values ​​mentioned above. It will be further understood that this is possible.

[0037] According to one particular embodiment, the polyol component of the foam-forming mixture is a polyether According to yet another embodiment, the foam-forming mixture may include a polyol. The components may include polyester polyols. According to yet another embodiment, the foam form The polyol component of the composition mixture is a mixture of polyether polyol and polyester polyol. It may include a combination.

[0038] According to yet another embodiment, the polyol component of the foam-forming mixture may further comprise a chain extender. According to yet another embodiment, the polyol component of the foam-forming mixture may further comprise: According to yet another embodiment, the polyol component may also contain a surfactant. According to yet another embodiment, the polyol component of the foam-forming mixture may include added According to yet another embodiment, the polyol of the foam-forming mixture may further comprise , chain extenders, catalysts, surfactants, and any combination of additives.

[0039] According to yet another embodiment, the polyol component of the foam-forming mixture is polycaprolactone. It may contain lactone polyols.

[0040] According to yet another embodiment, the polyol component of the foam-forming mixture may have a specific content For example, the polyol of the foam-forming mixture may include a polycaprolactone polyol of The component may be at least about 5% by weight, for example at least about 6% by weight or at least about 7% by weight or at least about 8% by weight or at least about 9% by weight or at least about 10% by weight or at least about 11% by weight or at least about 12% by weight or at least about 13% by weight or at least about 14% by weight or less In yet another embodiment, the polycaprolactone polyol may be present in an amount of about 15% by weight. According to the formulation, the polyol component of the foam-forming mixture may comprise, based on the total weight of the polyol component, and about 30% by weight or less, for example, about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less. % by weight or less, or about 26% by weight or less, or about 25% by weight or less, or about 24% by weight or less, about 23% by weight or less, or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less than about 19% by weight or less than about 18% by weight of polycaprolactone The content of polycaprolactone polyol in the polyol component may be It will be understood that the range may be between any of the minimum and maximum values. The content of polycaprolactone polyol in the polyol component is the above-mentioned minimum value and It will further be appreciated that the maximum value may be any value between any of the maximum values.

[0041] According to yet other embodiments, the foam-forming mixture may include hollow fillers.

[0042] According to one particular embodiment, the foam-forming mixture contains a particular content of hollow filler. For example, the foam-forming mixture may contain at least At least about 3% by weight, for example, at least about 3.5% by weight or at least about 4.0% by weight. or at least about 4.5% by weight or at least about 5.0% by weight or at least about 5. 5% by weight or at least about 6.0% by weight or at least about 6.5% by weight or less Both contain hollow filler in an amount of about 7.0% by weight or even at least about 7.5% by weight. According to yet another embodiment, the foam-forming mixture is obtained by mixing a total of 100% by weight of the foam-forming mixture. about 20% by weight or less, for example, about 19.5% by weight or less or about 19.0% by weight or less or less than about 18.5% by weight, or less than about 18.0% by weight, or less than about 17.5% by weight or less than about 17.0% by weight, or less than about 16.5% by weight, or less than about 16.0% by weight or about 15.5% by weight or less, or about 15.0% by weight or less, or about 14.5% by weight or less or about 14.0% by weight or less, or about 13.5% by weight or less, or about 13.0% by weight or less, and a hollow filler content of about 12.5% ​​by weight or less, or even about 12.0% by weight or less. The content of hollow filler in the foam-forming mixture is within the above-mentioned minimum and maximum values. It will be understood that the amount of water in the foam-forming mixture may be within a range between any of the above. The hollow filler content is any value between any of the minimum and maximum values ​​mentioned above. It will be further understood that this may be possible.

[0043] According to yet another embodiment, the foam-forming mixture further comprises calcium carbonate filler. It may include.

[0044] According to one particular embodiment, the foam-forming mixture contains a specific content of calcium carbonate. For example, the foam-forming mixture may contain a filler, based on the total weight of the foam-forming mixture. and at least about 2.0 wt. %, for example, at least about 2.5 wt. % or at least about 3.0% by weight or at least about 3.5% by weight or at least about 4.0% by weight or less at least about 4.5% by weight or at least about 5.0% by weight or at least about 5.5% by weight % or at least about 6.0% by weight or at least about 6.5% by weight or at least about 7.0% by weight or even at least about 7.5% by weight of calcium carbonate filler According to yet another embodiment, the foam-forming mixture may comprise about 10% by weight or less, for example, about 9.5% by weight or less or about 9.0% by weight or less, based on the total weight Calcium carbonate content of not more than about 8.5% by weight or not more than about 8.0% by weight The content of calcium carbonate filler in the foam-forming mixture may be in the range of 0.1 to 1.0% by weight of the foam-forming mixture. It will be understood that the range may be between any of the minimum and maximum values. The content of calcium carbonate filler in the foam-forming mixture is within the above-mentioned minimum and maximum values. It will be further understood that the value of .gamma. can be any value between any of .gamma.

[0045] According to yet other embodiments, the foam-forming mixture may further comprise a chain extender.

[0046] According to one particular embodiment, the foam-forming mixture contains a particular content of chain extender. For example, the foam-forming mixture may contain at least about 100g of cellulose acetate, based on the total weight of the foam-forming mixture. at least about 2.0 wt. %, for example, at least about 2.25 wt. % or at least about 2.5 wt. % % or at least about 2.75% by weight or at least about 3.0% by weight or at least about 3.25% by weight or at least about 3.5% by weight or at least about 3.75% by weight Alternatively, the composition may further comprise at least about 4.0% by weight of a chain extender. According to the invention, the foam-forming mixture contains about 8% by weight of the foam-forming mixture based on the total weight of the foam-forming mixture. or less, for example, about 8.75% by weight or less, or about 8.5% by weight or less, or about 8.25% by weight or less or less than about 8.0% by weight or less than about 7.75% by weight or less than about 7.5% by weight or less or about 7.25% by weight or less, or about 7.0% by weight or less, or about 6.25% by weight or less, Contains about 6.0% by weight or less, or about 6.75% by weight or less, or even about 6.5% by weight or less The amount of chain extender in the foam-forming mixture may be greater than or equal to the minimum amount set forth above. It will be understood that the range may be between any of the above and maximum values. The content of chain extender in the rubber-forming mixture is between the minimum and maximum values ​​mentioned above. It will be further understood that the value of .times. ...

[0047] According to yet other embodiments, the foam-forming mixture may further comprise a surfactant.

[0048] According to one particular embodiment, the foam-forming mixture contains a particular content of surfactant. For example, the foam-forming mixture may contain at least At least about 0.3% by weight, for example, at least about 0.4% by weight or at least about 0.5% by weight % or at least about 0.6% by weight or at least about 0.7% by weight or at least about 0.8% by weight or at least about 0.9% by weight or at least about 1.0% by weight or less at least about 1.5% by weight or at least about 2.0% by weight or at least about 2.5% by weight % or at least about 3.0% by weight or at least about 3.5% by weight or at least about 4.0% by weight or at least about 4.5% by weight or at least about 5.0% by weight or less a surfactant content of at least about 5.5% by weight or even at least about 6.0% by weight According to yet another embodiment, the foam-forming mixture may comprise about 10% by weight or less, for example, about 9.5% by weight or less or about 9.0% by weight or less, based on the total weight or less than about 8.5% by weight or less than about 8.0% by weight or less than about 7.5% by weight or less The foam-forming mixture may further comprise a surfactant in an amount of up to about 7.0% by weight. The surfactant content is within the range between any of the above minimum and maximum values. It will be understood that the surfactant content in the foam-forming mixture is It is further understood that the minimum and maximum values ​​may be any value between any of the minimum and maximum values. It would be.

[0049] According to one particular embodiment, the foam-forming mixture contains a particular content of isocyanate. For example, the foam-forming mixture may contain a polymer, based on the total weight of the foam-forming mixture. and at least about 12% by weight, for example, at least about 13% by weight or at least about 1 4% by weight or at least about 15% by weight or at least about 20% by weight or even less The composition may include at least about 25% by weight of an isocyanate polymer. According to the or less, for example, about 39% by weight or less, or about 38% by weight or less, or about 37% by weight or less, about 36% by weight or less, or about 35% by weight or less, or about 34% by weight or less, or about 33% by weight or less or less than about 32% by weight, or less than about 31% by weight, or even less than about 30% by weight The amount of isocyanate polymer in the foam-forming mixture may be - content may be within a range between any of the minimum and maximum values ​​mentioned above It will be understood that the content of the isocyanate polymer in the foam-forming mixture is It is further understood that the value of β can be any value between any of the minimum and maximum values ​​stated. It will be possible.

[0050] Now referring to the fourth step 140, according to yet another embodiment, foam forming Forming the mixture into a polyurethane foam comprises foaming the foam-forming mixture. According to yet another embodiment, a foam-forming mixture may be formed. Forming an article into polyurethane foam involves curing a foaming material mixture to form a polyurethane foam. It may further include forming a foam.

[0051] Reference is now made to polyurethane foams formed in accordance with the embodiments described herein. The polyurethane foam contains an isocyanate polymer component and a polyol component. It can be seen.

[0052] According to certain embodiments, the polyol component of the polyurethane foam comprises a specific molecular weight For example, the polyol of the polyol component may include at least about 500 kg / mol, e.g., at least about 550 kg / mol or at least about 600 kg / mol or at least about 650 kg / mol or at least about 700 kg / mol or at least about 750 kg / mol or at least about 800 kg / mol or at least or at least about 850 kg / mol or at least about 900 kg / mol or at least about 950 kg / mol g / mol or at least about 1000 kg / mol or at least about 1050 kg / mol or at least about 1100 kg / mol or at least about 1150 kg / mol or less at least about 1200 kg / mol or at least about 1250 kg / mol or at least about 1300 kg / mol or at least about 1350 kg / mol or at least about 140 0 kg / mol or even have a molecular weight of at least about 1500 kg / mol. According to another embodiment, the polyol component has a viscosity of about 6000 kg / mol or less, for example, about 57 50 kg / mol or less, or about 5500 kg / mol or less, or about 5250 kg / mol or less or about 5000 kg / mol or about 4750 kg / mol or about 4500 kg / mol or less than about 4250 kg / mol or less than about 4000 kg / mol or less than about 37 50 kg / mol or less, or about 3500 kg / mol or less, or about 3250 kg / mol or less or even have a molecular weight of about 3000 kg / mol or less. It will be understood that the range may be between any of the minimum and maximum values. The molecular weight of the polyol may be any value between any of the above minimum and maximum values. It will be further understood that it may be

[0053] According to yet another embodiment, polyurethanes formed according to the embodiments described herein are The tongue form may have a particular elongation. For the purposes of the embodiments described herein, the elongation is: It can be measured according to ISO 37. According to one particular embodiment, polyurethane foam is at least about 500%, for example, at least about 525% or at least about 550% or at least about 575% or at least about 600% or at least about 625% or at least about 650%, or at least about 675%, or at least about 700%, or is at least about 725%, or at least about 750%, or at least about 775%, or At least about 800%, or at least about 825%, or at least about 850%, or less at least about 875% or at least about 900% or at least about 925% or less at least about 950% or at least about 975% or at least about 1025% or less at least about 1050%, or at least about 1075%, or at least about 1100%, or at least about 1125%, or at least about 1150%, or at least about 1200% or at least about 1225%, or at least about 1250%, or at least about 1275% % or at least about 1300% or at least about 1325% or at least about 13 50% or at least about 1375% or at least about 1400% or at least about 1425% or at least about 1450% or at least about 1475% or even less According to yet another embodiment, the polyurethane foam may have an elongation of at least about 1500%. The foam may have an elongation of about 2500% or less. It will be understood that the range may be between any of the minimum and maximum values. The elongation of the polyurethane foam may be any value between the minimum and maximum values ​​mentioned above. It will further be understood that the values ​​may be any values.

[0054] According to yet another embodiment, polyurethanes formed according to the embodiments described herein are The tan foam may have a particular density. For the purposes of the embodiments described herein, the density is: It can be measured according to ISO 1183. According to one particular embodiment, polyurethane foam The formula may have a concentration of at least about 250 g / L, for example, at least about 275 g / L or at least at least about 300 g / L or at least about 325 g / L or at least about 350 g / L or is at least about 375 g / L, or at least about 400 g / L, or at least about 425 g / L or at least about 450 g / L or at least about 475 g / L or at least According to yet another embodiment, the polyurethane foam may have a density of about 500 g / L. The polyurethane foam may have a density of about 1000 g / L or less. It will be understood that the range may be between any of the minimum and maximum values. The density of the polyurethane foam may be any value between the minimum and maximum values ​​mentioned above. It will further be understood that the values ​​may be any values.

[0055] According to yet another embodiment, polyurethanes formed according to the embodiments described herein are The tan form may have a particular tensile strength. For the embodiments described herein, the tensile strength may be Strength may be measured according to ISO 37. According to one particular embodiment, polyurethane The foam may have a pressure of about 1000 kPa or less, for example, about 950 kPa or less or about 900 kPa or less than about 850 kPa or less than about 800 kPa or less than about 750 kPa or less is about 700 kPa or less, or about 650 kPa or less, or about 600 kPa or less, or about 55 The tensile strength may be about 0 kPa or less, or about 500 kPa or less. When the polyurethane foam is heated to a temperature of 1000°C, the polyurethane foam may have a tensile strength of at least about 200 kPa. The tensile strength of the urethane foam is within the range between any of the minimum and maximum values ​​mentioned above. It will be understood that the tensile strength of the polyurethane foam may be within the above-mentioned maximum. It will be further understood that the value may be any value between any of the minimum and maximum values. There will be.

[0056] According to yet another embodiment, polyurethanes formed according to the embodiments described herein are The tan foam may have a specific content of isocyanate polymer components. The polyurethane foam comprises at least about 12% by weight of the total weight of the polyurethane foam. , for example, at least about 13% by weight, or at least about 14% by weight, or at least about 1 5% by weight or at least about 16% by weight or at least about 17% by weight or at least about 18% by weight or at least about 19% by weight or at least about 20% by weight or less At least about 21% by weight, or at least about 22% by weight, or at least about 23% by weight, or more Furthermore, the content of isocyanate polyethersulfone is at least about 24% by weight or at least about 25% by weight. According to yet another embodiment, the polyurethane foam may comprise a polyurethane. about 40% by weight or less, for example, about 39% by weight or less, based on the total weight of the foam; about 38% by weight or less, or about 37% by weight or less, or about 36% by weight or less, or about 35% by weight or less or about 34% by weight or less, or about 33% by weight or less, or about 32% by weight or less, or about 31% by weight or less % by weight or less, or about 30% by weight or less, or about 29% by weight or less, or about 28% by weight or less, The isocyanate polymer composition may have a content of about 27% by weight or less, or even about 26% by weight or less. The content of the isocyanate polymer component in the polyurethane foam may be It will be understood that the range may be between any of the minimum and maximum values. The content of the isocyanate polymer component in the polyurethane foam is the above-mentioned minimum value and It will be further understood that the value of .alpha. can be any value between any of the above and maximum values. .

[0057] According to one particular embodiment, the isocyanate polymer component comprises an MDI prepolymer. According to another embodiment, the isocyanate polymer component may include PMDI. According to yet another embodiment, the isocyanate polymer component is PMDI and MDI. It may include a combination of prepolymers.

[0058] According to yet another embodiment, polyurethanes formed according to the embodiments described herein are The polyurethane foam may have a specific content of polyol components. The foam may comprise at least about 30% by weight, for example, at least about 10% by weight of the total weight of the polyurethane foam. at least about 31% by weight, or at least about 32% by weight, or at least about 33% by weight, or is at least about 34% by weight, or at least about 35% by weight, or at least about 36% by weight or at least about 37% by weight, or at least about 38% by weight, or at least about 39% by weight % by weight or at least about 40% by weight or at least about 41% by weight or at least about 4 2% by weight or at least about 43% by weight or at least about 44% by weight or at least about 45% by weight or at least about 46% by weight or at least about 47% by weight or less At least about 48% by weight, or at least about 49% by weight, or at least about 50% by weight, or less at least about 51% by weight, or at least about 52% by weight, or at least about 53% by weight, or The polyol content is at least about 54% by weight or even at least about 55% by weight. According to yet another embodiment, the polyurethane foam may have a polyurethane foam. about 85% by weight or less, for example, about 84% by weight or less, or about 83% by weight or less, based on the total weight of the foam % by weight or less, or about 82% by weight or less, or about 81% by weight or less, or about 80% by weight or less, About 79% by weight or less, or about 78% by weight or less, or about 77% by weight or less, or about 76% by weight or less or about 75% by weight or less, or about 74% by weight or less, or about 73% by weight or less, or about 72% by weight or less % by weight or less, or about 71% by weight or less, or about 70% by weight or less, or about 69% by weight or less, about 68% by weight or less, or about 67% by weight or less, or about 66% by weight or less, or about 65% by weight or less than about 64% by weight or less than about 63% by weight or less than about 62% by weight or less than about 6 It may have a polyol content of 1% by weight or less, or even about 60% by weight or less. The content of the polyol component in the urethane foam is either the minimum or maximum value mentioned above. It will be understood that the polycarbonate content of the polyurethane foam may be within any range. The content of the thiol component is any value between the minimum and maximum values ​​mentioned above. It will be understood that this is possible.

[0059] According to yet another embodiment, the polyol component of the polyurethane foam is a polyether According to yet another embodiment, the polyurethane foam may include a polyol. The polyol component may include a polyester polyol. The polyol component of Retan Foam is a mixture of polyether polyol and polyester polyol. It may include a combination of rules.

[0060] According to yet another embodiment, the polyol component of the polyurethane foam contains a chain extender. According to yet another embodiment, the polyurethane foam may further comprise a polyol component. According to yet another embodiment, the polyol component may further comprise a surfactant. According to yet another embodiment, the polyol component of the polyurethane foam may also include According to yet another embodiment, the polyurethane foam may further comprise an additive. The ol may contain any combination of chain extenders, catalysts, surfactants, and additives.

[0061] According to yet another embodiment, the polyol component of the polyurethane foam is polycaprolactone. It may contain lactone polyols.

[0062] According to yet another embodiment, the polyol component of the polyurethane foam comprises a specific content For example, the polyol of the polyurethane foam may contain an amount of polycaprolactone polyol. The polyol component may comprise at least about 5% by weight, for example, at least about 5% by weight, based on the total weight of the polyol component. At least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight, or at least at least about 9% by weight, or at least about 10% by weight, or at least about 11% by weight, or less At least about 12% by weight, or at least about 13% by weight, or at least about 14% by weight, or less It may contain at least about 15% by weight of polycaprolactone polyol. According to an embodiment, the polyol component of the polyurethane foam comprises a total weight of the polyol component. about 30% by weight or less, for example, about 29% by weight or less or about 28% by weight or less, about 27% by weight or less, or about 26% by weight or less, or about 25% by weight or less, or about 24% by weight or less or about 23% by weight or less, or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less % by weight or less, or about 19% by weight or less, or about 18% by weight or less of polycaprolactone The polyol component may contain polycaprolactone polyol. , it is understood that the value may be within a range between any of the minimum and maximum values ​​stated above. The content of polycaprolactone polyol in the polyol component is the above-mentioned minimum value. It will be further understood that the value of the saturation voltage may be any value between any of the above values. cormorant.

[0063] According to yet other embodiments, the polyurethane foam may further comprise hollow fillers. .

[0064] According to a particular embodiment, the polyurethane foam contains a particular content of hollow filler. For example, the polyurethane foam may contain, based on the total weight of the polyurethane foam: At least about 3% by weight, e.g., at least about 3.5% by weight or at least about 4.0% by weight % by weight or at least about 4.5% by weight or at least about 5.0% by weight or at least about 5.5% by weight, or at least about 6.0% by weight, or at least about 6.5% by weight, or a hollow filler content of at least about 7.0% by weight or even at least about 7.5% by weight According to yet another embodiment, the polyurethane foam may comprise about 20% by weight or less, for example, about 19.5% by weight or less, or about 19. .0% by weight or less or about 18.5% by weight or less or about 18.0% by weight or less or about 17. 5% by weight or less, or about 17.0% by weight or less, or about 16.5% by weight or less, or about 16.0 % by weight or less, or about 15.5% by weight or less, or about 15.0% by weight or less, or about 14.5% by weight or less % by weight or less or about 14.0% by weight or less or about 13.5% by weight or less or about 13.0% by weight % or less, or about 12.5% ​​by weight or less, or even about 12.0% by weight or less of hollow filler The content of hollow filler in the polyurethane foam may be within the above-mentioned minimum value and It will be understood that the range may be between any of the maximum values. The content of hollow filler in the foam is between the minimum and maximum values ​​mentioned above. It will be further understood that the value of .times. ...

[0065] According to yet another embodiment, the polyurethane foam further comprises a calcium carbonate filler. It may be included in.

[0066] According to one particular embodiment, the polyurethane foam has a specific content of calcium carbonate. For example, polyurethane foam may contain a filler of about 1000 parts by weight of the total polyurethane foam. at least about 2.0 wt. %, for example, at least about 2.5 wt. % or less At least about 3.0% by weight, or at least about 3.5% by weight, or at least about 4.0% by weight or at least about 4.5% by weight or at least about 5.0% by weight or at least about 5. 5% by weight or at least about 6.0% by weight or at least about 6.5% by weight or less Calcium carbonate filler with a content of about 7.0% by weight or even at least about 7.5% by weight According to yet another embodiment, the polyurethane foam may comprise a polyurethane about 10% by weight or less, for example, about 9.5% by weight or less, or about 9. 0.0% by weight or less, or about 8.5% by weight or less, or even about 8.0% by weight or less of carbon The polyurethane foam may contain calcium carbonate filler. It is understood that the amount can be within a range between any of the minimum and maximum values ​​stated above. The content of calcium carbonate filler in polyurethane foam will be the minimum mentioned above. It will be further understood that the value of 0.5 can be any value between any of the values ​​and the maximum value. Deaf.

[0067] According to yet other embodiments, the polyurethane foam may further comprise a chain extender.

[0068] According to a particular embodiment, the polyurethane foam contains a particular content of chain extender. For example, polyurethane foam may contain a small amount of at least about 2.0% by weight, for example, at least about 2.25% by weight or at least about 2. 5% by weight or at least about 2.75% by weight or at least about 3.0% by weight or less at least about 3.25% by weight or at least about 3.5% by weight or at least about 3.75% by weight % or even at least about 4.0% by weight of a chain extender. According to an embodiment, the polyurethane foam comprises, based on the total weight of the polyurethane foam: About 8% by weight or less, for example, about 8.75% by weight or less or about 8.5% by weight or less or about 8. 25% by weight or less, or about 8.0% by weight or less, or about 7.75% by weight or less, or about 7.5% by weight or less % by weight or less or about 7.25% by weight or less or about 7.0% by weight or less or about 6.25% by weight or less than or about 6.0% by weight or less than or about 6.75% by weight or less or even about 6.5% by weight The chain extender may be contained in the following amount: It is understood that the range may be between any of the minimum and maximum values ​​stated. The content of chain extender in polyurethane foam is within the above-mentioned minimum and maximum values. It will be further understood that the value of s may be any value between any of the above.

[0069] According to yet another embodiment, the polyurethane foam may further comprise a surfactant. .

[0070] According to a particular embodiment, the polyurethane foam contains a particular surfactant content. For example, the polyurethane foam may contain, based on the total weight of the polyurethane foam: At least about 0.3% by weight, for example, at least about 0.4% by weight or at least about 0. 5% by weight or at least about 0.6% by weight or at least about 0.7% by weight or less At least about 0.8% by weight, or at least about 0.9% by weight, or at least about 1.0% by weight or at least about 1.5% by weight or at least about 2.0% by weight or at least about 2. 5% by weight or at least about 3.0% by weight or at least about 3.5% by weight or less At least about 4.0% by weight, or at least about 4.5% by weight, or at least about 5.0% by weight or at least about 5.5% by weight or even at least about 6.0% by weight of surfactant According to yet another embodiment, the polyurethane foam may comprise a polyurethane about 10% by weight or less, for example, about 9.5% by weight or less, or about 9. 0.0% by weight or less or about 8.5% by weight or less or about 8.0% by weight or less or about 7.5% by weight % or even less than about 7.0% by weight of a surfactant. The surfactant content in the foam is between the minimum and maximum values ​​mentioned above. It will be understood that the content of surfactants in polyurethane foams may be within a range. It is further understood that the amount can be any value between any of the minimum and maximum values ​​stated above. It will be understood by others.

[0071]

[0013] It is now understood that certain polyurethane foams formed according to the embodiments described herein may be With reference to the use, a particular embodiment is a layer of polyurethane foam and a polyurethane foam and an acrylic adhesive layer overlying the surface of the layer of foam. The polyurethane foam of the present invention is formed according to any of the embodiments described herein. It will be understood that the polyurethane foam of the adhesive tape can be obtained. It is further understood that the composition may include any of the components described with reference to any of the embodiments. The polyurethane foam of the adhesive tape may be It will still further be understood that the present invention may include any of the features described in connection therewith.

[0072] According to certain embodiments, the adhesive tape according to the embodiments described herein may be For the purposes of the embodiments described herein, peel strength is measured by ASTM D1 According to a particular embodiment, the adhesive tape may have at least about 10 N / cm, for example, at least about 11 N / cm or at least about 12 N / cm or at least about 13 N / cm, or at least about 14 N / cm, or at least about 15 N / cm or at least about 16 N / cm or at least about 17 N / cm or less At least about 18 N / cm or at least about 19 N / cm or at least about 20 N / cm or at least about 21 N / cm, or at least about 22 N / cm, or at least about 23 N / cm or at least about 24 N / cm or even at least about 25 N / cm peel The peel strength of the adhesive tape may be within a range between any of the values ​​mentioned above. It will be understood that the peel strength of the adhesive tape may be any of the values ​​set forth above. It will further be appreciated that the value of .DELTA..times ...

[0073] According to yet other embodiments, the layer of polyurethane foam may have a particular thickness. For example, the layer of polyurethane foam may be at least about 0.5 mm thick, e.g., at least about 0.55 mm or at least about 0.6 mm or at least about 0.65 mm or less at least about 0.7 mm or at least about 0.75 mm or at least about 0.8 mm or is at least about 0.85 mm, or at least about 0.9 mm, or at least about 0.95 According to yet another embodiment, the polyimide film may have a thickness of at least about 1.0 mm. The layer of polyurethane foam may be about 2.0 mm or less, for example, about 1.95 mm or less or about 1. 0.9mm or less or approximately 1.85mm or less or approximately 1.8mm or less or approximately 1.75mm or less or less than about 1.7 mm or less than about 1.65 mm or less than about 1.6 mm or less than about 1 0.55mm or less or approximately 1.50mm or less or approximately 1.45mm or less or approximately 1.4mm or less than about 1.35 mm or less than about 1.3 mm or less than about 1.25 mm The thickness of the polyurethane foam layer may be within the above-mentioned minimum and maximum values. It will be understood that the range may be any of the above. The thickness of the layer may be any value between any of the minimum and maximum values ​​stated above. It will be further understood that

[0074] According to yet other embodiments, the acrylic adhesive layer may have a particular thickness. The adhesive layer may be at least about 0.05 mm, e.g., at least about 0.055 mm or is at least about 0.06 mm or at least about 0.065 mm or at least about 0. 0.07mm or at least about 0.075mm or at least about 0.08mm or less at least about 0.085 mm or at least about 0.09 mm or at least about 0.095 According to yet another embodiment, the aluminium alloy may have a thickness of at least about 0.1 mm. The kryl adhesive layer may be about 0.2 mm or less, for example, about 0.195 mm or less or about 0.19 mm or less. m or less or approximately 0.185 mm or less or approximately 0.18 mm or less or approximately 0.175 mm or less or less than about 0.17 mm or less than about 0.165 mm or less than about 0.16 mm or less is about 0.155 mm or less, or about 0.150 mm or less, or about 0.145 mm or less, or About 0.14 mm or less, or about 0.135 mm or less, or about 0.13 mm or less, or even The thickness of the acrylic adhesive layer may be less than or equal to the minimum thicknesses mentioned above and may have a thickness of about 0.125 mm or less. It will be understood that the thickness may range between any of the maximum values. The thickness of the deposition layer may be any value between any of the minimum and maximum values ​​stated above. It will be further understood that

[0075] Many different aspects and embodiments are possible. After reading this specification, those skilled in the art will be able to understand those aspects and implementations. It will be understood that the embodiments are illustrative only and do not limit the scope of the present invention. Any one or more of the embodiments listed below may be followed.

[0076] Embodiment 1. An isocyanate polymer component and a hydroxybenzoate having a molecular weight of at least about 500 kg / mole and about 6 a polyol component comprising a polyol having a molecular weight of 0,000 kg / mol or less; The polyurethane foam has an elongation of at least about 500%. Contains polyurethane foam.

[0077] Embodiment 2. An isocyanate polymer component and a hydroxybenzoate having a molecular weight of at least about 500 kg / mole and about 6 and a polyol component having a molecular weight of 0,000 kg / mol or less. wherein the polyurethane foam has a density of at least about 250 g / L. Letanform.

[0078] Embodiment 3. An isocyanate polymer component and a hydroxybenzoate having a molecular weight of at least about 500 kg / mole and about 6 and a polyol component having a molecular weight of 0,000 kg / mol or less. wherein the polyurethane foam comprises a tensile strength of about 1000 kPa or less. Letanform.

[0079] Embodiment 4. An embodiment wherein the polyurethane foam comprises an elongation of at least about 500%. 4. The polyurethane foam according to any one of 2 and 3.

[0080] Embodiment 5. The polyurethane foam comprises a density of at least about 250 g / L. 4. The polyurethane foam of any one of aspects 1 and 3.

[0081] Embodiment 6. The polyurethane foam comprises a tensile strength of about 1000 kPa or less. 3. The polyurethane foam of any one of aspects 1 and 2.

[0082] Embodiment 7. The polyurethane foam has a tensile strength of at least about 550% or at least about 60%. 0% or at least about 650% or at least about 700% or at least about 750 % or at least about 800% or at least about 850% or at least about 900% or at least about 950% or at least about 1000% or at least about 1050 % or at least about 1100% or at least about 1150% or at least about 12 5. The polyurethane foam of any one of embodiments 1 and 4, comprising an elongation of 0.000%. .

[0083] Embodiment 8. The polyurethane foam of embodiment 1 or 2, wherein the polyurethane foam comprises an elongation of about 2500% or less. 5. The polyurethane foam according to any one of claims 1 to 4.

[0084] Embodiment 9. The polyurethane foam has a viscosity of at least about 275 g / L or at least about 300g / L or at least about 325g / L or at least about 350g / L or less at least about 375 g / L or at least about 400 g / L or at least about 425 g / L L or at least about 450 g / L or at least about 475 g / L or at least about 6. The polyurethane foam of any one of embodiments 2 and 5, comprising a density of 500 g / L. Form.

[0085] Embodiment 10. An embodiment in which the polyurethane foam comprises a density of about 1000 g / L or less. 6. The polyurethane foam according to any one of aspects 2 and 5.

[0086] Embodiment 11. The polyurethane foam has a pressure of about 1000 kPa or less or about 950 kPa or less, or about 900 kPa or less, or about 850 kPa or less, or about 800 kPa or less, or is about 750 kPa or less, or about 700 kPa or less, or about 650 kPa or less, or about 60 tensile strength of about 500 kPa or less, or about 550 kPa or less, or about 500 kPa or less 7. The polyurethane foam according to any one of embodiments 3 and 6.

[0087] Embodiment 12. The polyurethane foam comprises a tensile strength of at least about 200 kPa. 7. The polyurethane foam according to any one of embodiments 3 and 6.

[0088] Embodiment 13. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 12% by weight, or at least about 13% by weight, or at least about 14% by weight or at least about 15% by weight, or at least about 16% by weight, or at least about 17% by weight % or at least about 18% by weight or at least about 19% by weight or at least about 20 % by weight or at least about 21% by weight or at least about 22% by weight or at least about 23% by weight or at least about 24% by weight or at least about 25% by weight of isopropyl alcohol The poly(ethylene glycol) of any one of embodiments 1, 2, and 3, comprising a cyanate polymer component. Urethane foam.

[0089] Embodiment 14: The content of the isocyanate polymer component is 1 / 2 the total weight of the polyurethane foam. about 40% by weight or less, or about 39% by weight or less, or about 38% by weight or less, based on the amount about 37% by weight or less, or about 36% by weight or less, or about 35% by weight or less, or about 34% by weight or less or about 33% by weight or less, or about 32% by weight or less, or about 31% by weight or less, or about 30% by weight or less % by weight or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less, 14. The polyurethane foam of embodiment 13, wherein the tensile strength is about 26% by weight or less.

[0090] Embodiment 15. The isocyanate polymer component is an MDI prepolymer, PMDI, or The polymer of any one of embodiments 1, 2, and 3, including combinations thereof. Letanform.

[0091] Embodiment 16. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 30% by weight, or at least about 31% by weight, or at least about 32% by weight or at least about 33% by weight, or at least about 34% by weight, or at least about 35% by weight % or at least about 36% by weight or at least about 37% by weight or at least about 38 % by weight or at least about 39% by weight or at least about 40% by weight or at least about 41% by weight or at least about 42% by weight or at least about 43% by weight or at least at least about 44% by weight, or at least about 45% by weight, or at least about 46% by weight, or less at least about 47% by weight, or at least about 48% by weight, or at least about 49% by weight, or at least about 50% by weight, or at least about 51% by weight, or at least about 52% by weight or at least about 53% by weight, or at least about 54% by weight, or at least about 55% by weight % content of the polyol component. Polyurethane foam.

[0092] Embodiment 17. The content of the polyol component relative to the total weight of the polyurethane foam: about 85% or less, or about 84% by weight or less, or about 83% by weight or less, or about 82% by weight or less or about 81% by weight or less, or about 80% by weight or less, or about 79% by weight or less, or about 78% by weight or less % by weight or less, or about 77% by weight or less, or about 76% by weight or less, or about 75% by weight or less, About 74% by weight or less, or about 73% by weight or less, or about 72% by weight or less, or about 71% by weight or less or about 70% by weight or less, or about 69% by weight or less, or about 68% by weight or less, or about 67% by weight or less % by weight or less, or about 66% by weight or less, or about 65% by weight or less, or about 64% by weight or less, about 63% by weight or less, or about 62% by weight or less, or about 61% by weight or less, or about 60% by weight 17. The polyurethane foam of embodiment 16, wherein:

[0093] Embodiment 18. The polyol component is a polyether polyol or a polyester polyol. or a combination thereof. Polyurethane foam.

[0094] Embodiment 19. The polyol component is free of a chain extender, catalyst, surfactant, additive, or the like. The polyurethane of any one of embodiments 1, 2, and 3, comprising a combination of Form.

[0095] Embodiment 20. The polyol component of embodiment 1 comprises a polycaprolactone polyol. 1. The polyurethane foam according to any one of claims 1 to 3.

[0096] Embodiment 21. The polyol component comprises at least about 5 wt. % of the total weight of the polyol component. % by weight, or at least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight % by weight or at least about 9% by weight or at least about 10% by weight or at least about 1 1% by weight or at least about 12% by weight or at least about 13% by weight or at least Polycaprolactone polyol content of about 14% by weight or at least about 15% by weight 21. The polyurethane foam of embodiment 20, comprising

[0097] Embodiment 22. The polyol component comprises about 30% by weight or more of the total weight of the polyol component. or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less, or about 2 6% by weight or less, or about 25% by weight or less, or about 24% by weight or less, or about 23% by weight or less or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less, or about 19% by weight or less % or less or about 18% by weight or less of polycaprolactone polyol. 22. The polyurethane foam according to claim 21.

[0098] Embodiment 23. The polyurethane foam of any one of embodiments 1, 2, or 3, further comprising a hollow filler. 3. The polyurethane foam according to any one of claims 1 to 3.

[0099] Embodiment 24. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. At least about 3% by weight, or at least about 4% by weight, or at least about 5% by weight, or less At least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight, or less At least about 9% by weight, or at least about 10% by weight, or at least about 11% by weight, or less 24. The polyurethane of embodiment 23, comprising a hollow filler content of at least about 12% by weight. Form.

[0100] Embodiment 25. The hollow filler content is about 2% by weight of the total weight of the polyurethane foam. 0% by weight or less, or about 19% by weight or less, or about 18% by weight or less, or about 17% by weight or less or about 16% by weight or less, or about 15% by weight or less, or about 14% by weight or less, or about 13% by weight or less 25. The polyurethane foam of embodiment 24, wherein the polyurethane foam has no more than 100% by weight of hydroxybenzoates.

[0101] Embodiment 26. An embodiment in which the polyurethane foam further comprises a calcium carbonate filler. 4. The polyurethane foam according to any one of aspects 1, 2, and 3.

[0102] Embodiment 27. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 2% by weight, or about 3% by weight or less, or about 4% by weight or less, or about 5% by weight or less 27. The polyurethane foam of embodiment 26, comprising a calcium carbonate filler in a content of:

[0103] Embodiment 28. The content of calcium carbonate filler relative to the total weight of polyurethane foam and about 10% by weight or less, or about 9% by weight or less, or about 8% by weight or less, or about 7% by weight. 28. The polyurethane foam of embodiment 27, wherein the polyisocyanate is less than or equal to about 6% by weight.

[0104] Embodiment 29. Embodiments 1, 2, and 3, wherein the polyol component further comprises a chain extender. 10. The polyurethane foam according to any one of the preceding items.

[0105] Embodiment 30. The polyol component comprises at least 100% by weight of the polyurethane foam. Also contains a chain extender in an amount of about 2% by weight, or about 3% by weight or less, or about 4% by weight or less, 30. The polyurethane foam of embodiment 29.

[0106] Embodiment 31. The content of the chain extender is about 8 times the total weight of the polyurethane foam. % by weight or less, or about 7% by weight or less, or about 6% by weight or less, or about 5% by weight or less 31. The polyurethane foam according to embodiment 30.

[0107] Embodiment 32. The polyurethane foam of any one of embodiments 1, 2, or 3, further comprising a surfactant. 3. The polyurethane foam according to any one of claims 1 to 3.

[0108] Embodiment 33. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 0.3% by weight, or about 0.5% by weight or less, or about 1.0% by weight or less, or about A content of 2% by weight or less, or about 3% by weight or less, or about 4% by weight or less, or about 5% by weight or less 33. The polyurethane foam of embodiment 32, comprising a surfactant of

[0109] Embodiment 34. The surfactant content is about 1% by weight based on the total weight of the polyurethane foam. 0% by weight or less, or about 9% by weight or less, or about 8% by weight or less, or about 7% by weight or less, or 34. The polyurethane foam of embodiment 33, wherein the polyurethane foam has less than or equal to about 6% by weight.

[0110] Embodiment 35. A layer of polyurethane foam and a layer of polyurethane foam laminated on the surface of the layer of polyurethane foam. and an acrylic adhesive layer comprising the polyurethane foam. an anate polymer component and a carboxylate component having a molecular weight of at least about 500 kg / mole and not more than about 6000 kg / mole; and a polyol component comprising a polyol having a molecular weight of , an adhesive tape comprising an elongation of at least about 500%.

[0111] Embodiment 36. A layer of polyurethane foam and a layer of polyurethane foam laminated on the surface of the layer of polyurethane foam. and an acrylic adhesive layer comprising the polyurethane foam. an anate polymer component and a carboxylate component having a molecular weight of at least about 500 kg / mole and not more than about 6000 kg / mole; and a polyol component having a molecular weight of at least about 2 Adhesive tape containing a density of 50g / L.

[0112] Embodiment 37. A layer of polyurethane foam and a layer of polyurethane foam laminated on the surface of the layer of polyurethane foam. and an acrylic adhesive layer comprising the polyurethane foam. an anate polymer component and a carboxylate component having a molecular weight of at least about 500 kg / mole and not more than about 6000 kg / mole; and a polyol component having a molecular weight of at least about 10 N / cm adhesive tape, including the peel strength of

[0113] Embodiment 38. An embodiment in which the polyurethane foam comprises an elongation of at least about 500%. 38. The adhesive tape according to any one of aspects 36 and 37.

[0114] Embodiment 39. A polyurethane foam comprising a density of at least about 250 g / L. 38. An adhesive tape according to any one of embodiments 35 and 37.

[0115] Embodiment 40. An embodiment in which the adhesive tape comprises a peel strength of at least about 10 N / cm. 37. An adhesive tape according to any one of 35 and 36.

[0116] Embodiment 41. The polyurethane foam has a viscosity of at least about 550% or at least about 6 00% or at least about 650% or at least about 700% or at least about 75 0% or at least about 800% or at least about 850% or at least about 900 % or at least about 950% or at least about 1000% or at least about 105 0% or at least about 1100% or at least about 1150% or at least about 1 39. The adhesive tape of any one of embodiments 35 and 38, comprising an elongation of 200%.

[0117] Embodiment 42. The polyurethane foam of embodiment 3, wherein the polyurethane foam comprises an elongation of about 2500% or less. 5 and 38. An adhesive tape according to any one of claims 5 and 38.

[0118] Embodiment 43. The polyurethane foam has a viscosity of at least about 275 g / L or at least about 300 g / L or at least about 325 g / L or at least about 350 g / L or at least about 375 g / L or at least about 400 g / L or at least about 425 g / L or at least about 450g / L or at least about 475g / L or at least 40. The adhesive tape of any one of embodiments 36 and 39, comprising a density of about 500 g / L. Pu.

[0119] Embodiment 44. An embodiment in which the polyurethane foam has a density of about 1000 g / L or less. 40. The adhesive tape according to any one of aspects 36 and 39.

[0120] Embodiment 45. The adhesive tape has a strength of at least about 10 N / cm or at least about 11 N / cm cm or at least about 12 N / cm or at least about 13 N / cm or at least about 14 N / cm or at least about 15 N / cm or at least about 16 N / cm or at least about 17 N / cm or at least about 18 N / cm or at least about 19 N / cm cm or at least about 20 N / cm or at least about 21 N / cm or at least about 22 N / cm or at least about 23 N / cm or at least about 24 N / cm or Any one of embodiments 37 and 40, including a peel strength of at least about 25 N / cm. The adhesive tape described herein.

[0121] Embodiment 46. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 12% by weight, or at least about 13% by weight, or at least about 14% by weight or at least about 15% by weight, or at least about 16% by weight, or at least about 17% by weight % or at least about 18% by weight or at least about 19% by weight or at least about 20 % by weight or at least about 21% by weight or at least about 22% by weight or at least about 23% by weight or at least about 24% by weight or at least about 25% by weight of isopropyl alcohol 38. Any one of embodiments 35, 36, and 37, comprising a cyanate polymer component. adhesive tape.

[0122] Embodiment 47. The content of the isocyanate polymer component is 1 / 2 the total weight of the polyurethane foam. about 40% by weight or less, or about 39% by weight or less, or about 38% by weight or less, based on the amount about 37% by weight or less, or about 36% by weight or less, or about 35% by weight or less, or about 34% by weight or less or about 33% by weight or less, or about 32% by weight or less, or about 31% by weight or less, or about 30% by weight or less % by weight or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less, 47. The adhesive tape of embodiment 46, wherein the .alpha.-hydroxybenzoate is about 26% by weight or less.

[0123] Embodiment 48. The isocyanate polymer component is an MDI prepolymer, PMDI, or and combinations thereof. Adhesive tape.

[0124] Embodiment 49. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 30% by weight, or at least about 31% by weight, or at least about 32% by weight or at least about 33% by weight, or at least about 34% by weight, or at least about 35% by weight % or at least about 36% by weight or at least about 37% by weight or at least about 38 % by weight or at least about 39% by weight or at least about 40% by weight or at least about 41% by weight or at least about 42% by weight or at least about 43% by weight or at least at least about 44% by weight, or at least about 45% by weight, or at least about 46% by weight, or less at least about 47% by weight, or at least about 48% by weight, or at least about 49% by weight, or at least about 50% by weight, or at least about 51% by weight, or at least about 52% by weight or at least about 53% by weight, or at least about 54% by weight, or at least about 55% by weight % content of the polyol component. The adhesive tape described herein.

[0125] Embodiment 50. The content of the polyol component relative to the total weight of the polyurethane foam: about 85% by weight or less, or about 84% by weight or less, or about 83% by weight or less, or about 82% by weight or less than about 81% by weight or less than about 80% by weight or less than about 79% by weight or less than about 7% by weight 8% by weight or less, or about 77% by weight or less, or about 76% by weight or less, or about 75% by weight or less or about 74% by weight or less, or about 73% by weight or less, or about 72% by weight or less, or about 71% by weight or less % or less, or about 70% by weight or less, or about 69% by weight or less, or about 68% by weight or less, or about 67% by weight or less, or about 66% by weight or less, or about 65% by weight or less, or about 64% by weight or less or about 63% by weight or less, or about 62% by weight or less, or about 61% by weight or less, or about 60% by weight or less 50. The adhesive tape of embodiment 49, wherein the amount of the adhesive tape is 0.1 wt % or less.

[0126] Embodiment 51. The polyol component is a polyether polyol or a polyester polyol. or any combination thereof. The adhesive tape described herein.

[0127] Embodiment 52. The polyol component is free of a chain extender, catalyst, surfactant, additive, or the like. The adhesive tape according to any one of embodiments 35, 36, and 37, comprising a combination of Group.

[0128] Embodiment 53. The polyol component of embodiment 3 comprises a polycaprolactone polyol. 5, 36, and 37. An adhesive tape according to any one of claims 5, 36, and 37.

[0129] Embodiment 54. The polyol component comprises at least about 5 wt. % of the total weight of the polyol component. % by weight, or at least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight % by weight or at least about 9% by weight or at least about 10% by weight or at least about 1 1% by weight or at least about 12% by weight or at least about 13% by weight or at least Polycaprolactone polyol content of about 14% by weight or at least about 15% by weight 54. The adhesive tape of embodiment 53, comprising

[0130] Embodiment 55. The polyol component comprises about 30% or more by weight of the total weight of the polyol component. or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less, or about 2 6% by weight or less, or about 25% by weight or less, or about 24% by weight or less, or about 23% by weight or less or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less, or about 19% by weight or less % or less or about 18% by weight or less of polycaprolactone polyol. 55. The adhesive tape according to embodiment 54.

[0131] Embodiment 56. The polyurethane foam further comprises hollow fillers. 6 and 37. An adhesive tape according to any one of claims 1 to 37.

[0132] Embodiment 57. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. At least about 3% by weight, or at least about 4% by weight, or at least about 5% by weight, or less At least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight, or less At least about 9% by weight, or at least about 10% by weight, or at least about 11% by weight, or less 57. The adhesive tape of embodiment 56, comprising hollow fillers in a content of at least about 12% by weight.

[0133] Embodiment 58. The hollow filler content is about 2% by weight of the total weight of the polyurethane foam. 0% by weight or less, or about 19% by weight or less, or about 18% by weight or less, or about 17% by weight or less or about 16% by weight or less, or about 15% by weight or less, or about 14% by weight or less, or about 13% by weight or less 58. The adhesive tape of embodiment 57, wherein the amount of the adhesive is % or less.

[0134] Embodiment 59. An embodiment in which the polyurethane foam further comprises a calcium carbonate filler. 38. The adhesive tape according to any one of aspects 35, 36, and 37.

[0135] Embodiment 60. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 2% by weight, or about 3% by weight or less, or about 4% by weight or less, or about 5% by weight or less 60. An adhesive tape according to embodiment 59, comprising a calcium carbonate filler in a content of:

[0136] Embodiment 61. The content of calcium carbonate filler relative to the total weight of polyurethane foam and about 10% by weight or less, or about 9% by weight or less, or about 8% by weight or less, or about 7% by weight. 61. The adhesive tape of embodiment 60, wherein the solubility in water is less than or equal to about 6% by weight.

[0137] Embodiment 62. The method of any one of embodiments 35, 36, and 37, wherein the polyol component further comprises a chain extender. 37. An adhesive tape according to any one of claims 1 to 37.

[0138] Embodiment 63. The polyol component comprises at least 100% by weight of the polyurethane foam. Also contains a chain extender in an amount of about 2% by weight, or about 3% by weight or less, or about 4% by weight or less, 63. An adhesive tape according to embodiment 62.

[0139] Embodiment 64. The chain extender content is about 8 times the total weight of the polyurethane foam. % by weight or less, or about 7% by weight or less, or about 6% by weight or less, or about 5% by weight or less 64. An adhesive tape according to embodiment 63.

[0140] Embodiment 65. The polyurethane foam further comprises a surfactant. 6 and 37. An adhesive tape according to any one of claims 1 to 37.

[0141] Embodiment 66. The polyurethane foam contains a small amount of polyurethane foam based on the total weight of the polyurethane foam. at least about 0.3% by weight, or about 0.5% by weight or less, or about 1.0% by weight or less, or about A content of 2% by weight or less, or about 3% by weight or less, or about 4% by weight or less, or about 5% by weight or less 66. The adhesive tape of embodiment 65, comprising a surfactant of

[0142] Embodiment 67. The surfactant content is about 1% by weight based on the total weight of the polyurethane foam. 0% by weight or less, or about 9% by weight or less, or about 8% by weight or less, or about 7% by weight or less, or 67. The adhesive tape of embodiment 66, wherein the adhesive tape has about 6% by weight or less.

[0143] Embodiment 68. The layer of polyurethane foam has a thickness of at least about 0.5 mm. 38. An adhesive tape according to any one of embodiments 35, 36, and 37.

[0144] Embodiment 69. An embodiment in which the layer of polyurethane foam comprises a thickness of about 2.0 mm or less. 69. The adhesive tape according to embodiment 68.

[0145] Embodiment 70. An embodiment in which the acrylic adhesive layer has a thickness of at least about 0.05 mm. 38. The adhesive tape according to any one of aspects 35, 36, and 37.

[0146] Embodiment 71. The adhesive of embodiment 70, wherein the acrylic adhesive layer has a thickness of about 0.2 mm or less. Adhesive tape included.

[0147] Embodiment 72. A method according to claim 7, further comprising the step of: providing a foam-forming component A; and providing component B and mixing foam-forming component A and foam-forming component B to form a foam; forming a foam-forming mixture and forming the foam-forming mixture into a polyurethane foam. and b.

[0148] Embodiment 73. The foam-forming component B is at least 73. The method of claim 72, wherein both of the isocyanate polymer components comprise about 90% by weight of the isocyanate polymer component. method.

[0149] Embodiment 74. The content of the isocyanate polymer component in the foam-forming component B is The method of embodiment 73, wherein the amount of the emulsion-forming component B is about 100% by weight or less, based on the total weight of the emulsion-forming component B. Law.

[0150] Embodiment 75. The foam-forming mixture comprises at least one hydroxybenzoate, ... 73. The method of claim 72, wherein both of the isocyanate polymer components comprise about 12% by weight of the isocyanate polymer component. method.

[0151] Embodiment 76. The content of the isocyanate polymer component in the foam-forming mixture is 76. The method of embodiment 75, wherein the amount of the emulsion is about 40% by weight or less, based on the total weight of the emulsion-forming mixture. .

[0152] Embodiment 77. The isocyanate polymer component is an MDI prepolymer, PMDI, or and combinations thereof.

[0153] Embodiment 78. The foam-forming component A is at least 73. The method of embodiment 72, wherein both the polyol and the hydroxybenzoate have a polyol content of about 35% by weight.

[0154] Embodiment 79. The content of the polyol component in the foam-forming component A is 79. The method of embodiment 78, wherein A is about 100% by weight or less, based on the total weight of A.

[0155] Embodiment 80. The foam-forming mixture comprises at least one hydroxybenzoate, ... 73. The method of embodiment 72, wherein both the polyol and the hydroxybenzoate have a polyol content of about 30% by weight.

[0156] Embodiment 81. The content of the polyol component in the foam-forming mixture is 81. The method of embodiment 80, wherein the amount is about 85% or less by total weight of the article.

[0157] Embodiment 82. The polyol component is a polyether polyol or a polyester polyol. 73. The method of embodiment 72, comprising:

[0158] Embodiment 83. The polyol component is free of a chain extender, catalyst, surfactant, additive, or the like. 73. The method of embodiment 72, comprising a combination of:

[0159] Embodiment 84. The polyol component of embodiment 7 comprises a polycaprolactone polyol. The method described in 2.

[0160] Embodiment 85. The polyol component comprises at least about 5 wt. % of the total weight of the polyol component. % by weight, or at least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight % by weight or at least about 9% by weight or at least about 10% by weight or at least about 1 1% by weight or at least about 12% by weight or at least about 13% by weight or at least Polycaprolactone polyol content of about 14% by weight or at least about 15% by weight 85. The method of embodiment 84, comprising:

[0161] Embodiment 86. The polyol component comprises about 30% by weight or more of the total weight of the polyol component. or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less, or about 2 6% by weight or less, or about 25% by weight or less, or about 24% by weight or less, or about 23% by weight or less or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less, or about 19% by weight or less % or less or about 18% by weight or less of polycaprolactone polyol. 85. The method according to claim 85.

[0162] Embodiment 87. The method of embodiment 72, wherein foam-forming component A further comprises a hollow filler. How to do it.

[0163] Embodiment 88. The foam-forming component A is at least 88. The method of embodiment 87, wherein both the hollow filler and the granules have a content of about 4% by weight.

[0164] Embodiment 89. The foam-forming component A is about 25% by weight of the total foam-forming component A. 89. The method of embodiment 88, comprising hollow filler in an amount of 0.01 wt.% or less.

[0165] Embodiment 90. The foam-forming mixture comprises at least one hydroxybenzoate, based on the total weight of the foam-forming mixture. 88. The method of embodiment 87, wherein both the hollow filler and the granules contain hollow filler in a content of about 3% by weight.

[0166] Embodiment 91. The foam-forming mixture comprises about 20% by weight of the foam-forming mixture. 91. The method according to embodiment 90, comprising hollow filler in an amount of 0.01 wt.% or less.

[0167] Embodiment 92. An embodiment in which foam-forming component A further comprises a calcium carbonate filler. 72. The method according to claim 72.

[0168] Embodiment 93. The foam-forming component A is at least 93. The method of embodiment 92, wherein both contain calcium carbonate filler at a content of about 3% by weight.

[0169] Embodiment 94. The content of calcium carbonate filler in foam-forming component A is The method of embodiment 93, wherein the amount of component A is about 15% by weight or less, based on the total weight of component A.

[0170] Embodiment 95. The foam-forming mixture comprises at least one hydroxybenzoate, hydroxybenzoates ... 93. The method of embodiment 92, wherein both contain calcium carbonate filler at a content of about 2% by weight.

[0171] Embodiment 96. The foam-forming mixture comprises about 10g of water, based on the total weight of the foam-forming mixture. 96. The method according to embodiment 95, comprising a calcium carbonate filler content of not more than % by weight.

[0172] Embodiment 97. The composition of embodiment 72, wherein the foam-forming component A further comprises a chain extender. method.

[0173] Embodiment 98. The foam-forming component A is at least 98. The method of embodiment 97, wherein both the copolymer and the copolymer contain a chain extender in a content of about 2.5% by weight.

[0174] Embodiment 99. The foam-forming component A is about 10% by weight of the total foam-forming component A. 99. The method according to embodiment 98, comprising a chain extender content of not more than % by weight.

[0175] Embodiment 100. The foam-forming mixture comprises at least one of the following components, based on the total weight of the foam-forming mixture: 98. The method of embodiment 97, comprising a chain extender in a content of at least about 2% by weight.

[0176] Embodiment 101. The foam-forming mixture comprises about 8% by weight of the total foam-forming mixture. 101. The method according to embodiment 100, comprising a chain extender content of up to 100% by weight.

[0177] Embodiment 102. The composition of embodiment 72, wherein foam-forming component A further comprises a surfactant. How to post.

[0178] Embodiment 103. The foam-forming component A is at least 100% by weight of the total foam-forming component A. 103. The method of embodiment 102, comprising a surfactant in a content of at least about 0.4% by weight.

[0179] Embodiment 104. The foam-forming component A is about 1% by weight of the total foam-forming component A. 104. The method of embodiment 103, comprising a surfactant content of not more than 2% by weight.

[0180] Embodiment 105. The foam-forming mixture comprises at least one of the following components, based on the total weight of the foam-forming mixture: 103. The method of embodiment 102, comprising a surfactant in a content of at least about 0.3% by weight.

[0181] Embodiment 106. The foam-forming mixture comprises about 1% by weight of the total foam-forming mixture. 106. The method of embodiment 105, comprising a surfactant content of 0% by weight or less.

[0182] Embodiment 107. The polyurethane foam includes an elongation of at least about 500%. 73. The method of claim 72.

[0183] Embodiment 108. The polyurethane foam comprises a density of at least about 250 g / L. 73. The method of embodiment 72.

[0184] Embodiment 109. An embodiment in which the adhesive tape comprises a peel strength of at least about 10 N / cm. 72. The method according to claim 72.

[0185] Embodiment 110. The polyurethane foam has an oxidizing effect of at least about 550% or at least about 600% or at least about 650% or at least about 700% or at least about 7 50% or at least about 800% or at least about 850% or at least about 90 0% or at least about 950% or at least about 1000% or at least about 10 50% or at least about 1100% or at least about 1150% or at least about 108. The method of embodiment 107, comprising an elongation of 1200%.

[0186] Embodiment 111. The polyurethane foam comprises an elongation of about 2500% or less. 107. The method according to claim 107.

[0187] Embodiment 112. The polyurethane foam has a viscosity of at least about 275 g / L or at least at least about 300 g / L or at least about 325 g / L or at least about 350 g / L or is at least about 375 g / L, or at least about 400 g / L, or at least about 425 g / L or at least about 450 g / L or at least about 475 g / L or at least 109. The method of embodiment 108, wherein the solubility in water further comprises a density of about 500 g / L.

[0188] Embodiment 113. The polyurethane foam has a density of about 1000 g / L or less. 109. The method of claim 108.

[0189] Embodiment 114. The polyurethane foam has a compressive strength of about 1000 kPa or less or about 950 kPa a or less, or about 900kPa or less, or about 850kPa or less, or about 800kPa or less or about 750 kPa or less, or about 700 kPa or less, or about 650 kPa or less, or about 6 00 kPa or less, or about 550 kPa or less, or about 500 kPa or less, The method of embodiment 109.

[0190] Embodiment 115. The polyurethane foam comprises, based on the total weight of the polyurethane foam: at least about 12% by weight, or at least about 13% by weight, or at least about 14% by weight or at least about 15% by weight, or at least about 16% by weight, or at least about 17% by weight % by weight or at least about 18% by weight or at least about 19% by weight or at least about 2 0% by weight or at least about 21% by weight or at least about 22% by weight or at least A content of about 23% by weight, or at least about 24% by weight, or at least about 25% by weight 73. The method of embodiment 72, comprising a lactic acid polymer component.

[0191] Embodiment 116. The content of the isocyanate polymer component is 1 / 2 of the total polyurethane foam. By weight, about 40% by weight or less, or about 39% by weight or less, or about 38% by weight or less, about 37% by weight or less, or about 36% by weight or less, or about 35% by weight or less, or about 34% by weight or less than about 33% by weight or less than about 32% by weight or less than about 31% by weight or less than about 3 0% by weight or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less or about 26% by weight or less.

[0192] Embodiment 117. The isocyanate polymer component is an MDI prepolymer, PMDI, or 73. The method of embodiment 72, comprising administering to a subject a therapeutically effective amount of a compound selected from the group consisting of acetaminophen, ...

[0193] Embodiment 118. The polyurethane foam comprises, based on the total weight of the polyurethane foam: at least about 30% by weight, or at least about 31% by weight, or at least about 32% by weight or at least about 33% by weight, or at least about 34% by weight, or at least about 35% by weight % by weight or at least about 36% by weight or at least about 37% by weight or at least about 3 8% by weight or at least about 39% by weight or at least about 40% by weight or at least about 41% by weight or at least about 42% by weight or at least about 43% by weight or less At least about 44% by weight, or at least about 45% by weight, or at least about 46% by weight, or less at least about 47% by weight, or at least about 48% by weight, or at least about 49% by weight, or is at least about 50% by weight, or at least about 51% by weight, or at least about 52% by weight or at least about 53% by weight, or at least about 54% by weight, or at least about 55% by weight 73. The method of embodiment 72, comprising a polyol component having a content of:

[0194] Embodiment 119. The content of the polyol component relative to the total weight of the polyurethane foam , about 85% or less, or about 79% by weight or less, or about 78% by weight or less, or about 77% by weight or less or about 76% by weight or less, or about 75% by weight or less, or about 74% by weight or less, or about 73% by weight or less % by weight or less, or about 72% by weight or less, or about 71% by weight or less, or about 70% by weight or less, about 69% by weight or less, or about 68% by weight or less, or about 67% by weight or less, or about 66% by weight or less than about 65% by weight or less than about 64% by weight or less than about 63% by weight or less than about 6 2% by weight or less, or about 61% by weight or less, or about 60% by weight or less. The method described.

[0195] Embodiment 120. The polyol component is a polyether polyol, a polyester polyol, or 73. The method of embodiment 72, comprising administering to a subject a subject in need thereof, or a combination thereof.

[0196] Embodiment 121. The polyol component is free of a chain extender, catalyst, surfactant, additive, or the like. 73. The method of embodiment 72, comprising a combination thereof.

[0197] Embodiment 122. An embodiment wherein the polyol component comprises a polycaprolactone polyol. 72. The method according to claim 72.

[0198] Embodiment 123. The polyol component comprises at least about 100 wt. % of the total polyol component. 5% by weight, or at least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight or at least about 9% by weight or at least about 10% by weight or at least about 11% by weight or at least about 12% by weight or at least about 13% by weight or at least Polycaprolactone polyol content of at least about 14% by weight or at least about 15% by weight 123. The method of embodiment 122, comprising:

[0199] Embodiment 124. The polyol component comprises about 30% by weight, based on the total weight of the polyol component. or less, or about 29% by weight or less, or about 28% by weight or less, or about 27% by weight or less, or about 26% by weight or less, or about 25% by weight or less, or about 24% by weight or less, or about 23% by weight or less or about 22% by weight or less, or about 21% by weight or less, or about 20% by weight or less, or about 19% by weight or less % or less by weight of polycaprolactone polyol, 124. The method of claim 123.

[0200] Embodiment 125. The polyurethane foam of embodiment 72, further comprising a hollow filler. The method described.

[0201] Embodiment 126. The polyurethane foam comprises, based on the total weight of the polyurethane foam: at least about 3% by weight, or at least about 4% by weight, or at least about 5% by weight, or At least about 6% by weight, or at least about 7% by weight, or at least about 8% by weight, or less at least about 9% by weight, or at least about 10% by weight, or at least about 11% by weight, or 126. The method of embodiment 125, comprising a hollow filler content of at least about 12% by weight.

[0202] Embodiment 127. The hollow filler content is about 100% by weight of the total weight of the polyurethane foam. 20% by weight or less, or about 19% by weight or less, or about 18% by weight or less, or about 17% by weight or less or about 16% by weight or less, or about 15% by weight or less, or about 14% by weight or less, or about 13% by weight or less 127. The method of embodiment 126, wherein the amount of hydroxybenzoates is 0.001 wt. % or less.

[0203] Embodiment 128. The polyurethane foam further comprises a calcium carbonate filler. 73. The method of claim 72.

[0204] Embodiment 129. The polyurethane foam comprises, based on the total weight of the polyurethane foam: At least about 2% by weight, or not more than about 3% by weight, or not more than about 4% by weight, or not more than about 5% by weight 129. The method according to embodiment 128, comprising the following calcium carbonate filler contents:

[0205] Embodiment 130. The content of calcium carbonate filler is based on the total weight of the polyurethane foam. In contrast, about 10% by weight or less, or about 9% by weight or less, or about 8% by weight or less, or about 7% by weight or less % or less or about 6% by weight or less.

[0206] Embodiment 131. The method of embodiment 72, wherein the polyol component further comprises a chain extender. Law.

[0207] Embodiment 132. The polyol component is at least 100% by weight of the polyurethane foam. Each of the above-mentioned compositions contains a chain extender in an amount of about 2% by weight, or about 3% by weight or less, or about 4% by weight or less. , The method of embodiment 131.

[0208] Embodiment 133. The chain extender content is about 8% by weight of the total polyurethane foam. % by weight or less, or about 7% by weight or less, or about 6% by weight or less, or about 5% by weight or less, The method of embodiment 132.

[0209] Embodiment 134. The polyurethane foam of embodiment 72, further comprising a surfactant. The method described.

[0210] Embodiment 135. The polyurethane foam comprises, relative to the total weight of the polyurethane foam: at least about 0.3% by weight, or not more than about 0.5% by weight, or not more than about 1.0% by weight, or Contains about 2% by weight or less, or about 3% by weight or less, or about 4% by weight or less, or about 5% by weight or less 135. The method of embodiment 134, comprising an amount of a surfactant.

[0211] Embodiment 136. The surfactant content is about 100% by weight of the polyurethane foam. 10% by weight or less, or about 9% by weight or less, or about 8% by weight or less, or about 7% by weight or less, 136. The method of embodiment 135, wherein the amount of [Example]

[0212] The concepts described herein are further illustrated in the following examples, which are incorporated by reference in their entirety. The claims do not limit the scope of the invention as set forth in the claims.

[0213] Example 1 Four sample polyurethane foams S1, S2, S3, and S4 were prepared according to the method described herein. Each of the sample polyurethane foams S1, S2, S3, and S4 was formed according to the embodiment. The compositions are summarized in Table 1 below. [Table 1]

[0214] Each sample polyurethane foam was mixed with all liquid components (base polyol, surfactant (including catalysts, pigments, chain extenders, and thixotropic agents) until the liquid phase is uniform. Next, fillers (including hollow fillers and calcium carbonate fillers) were added to the liquid The combined mixture was then mixed until a uniform composition was reached. Finally, the isocyanate was added to the combined mixture. On an inner liner (PET liner or paper liner), a certain thickness (e.g. 1.0 mm) Then, it is coated with a coating of 150°C or 170°C for a few minutes. Hardened with a bun.

[0215] Each of the sample polyurethane foams was analyzed for foam density, tensile strength, elongation, and peel strength. The results of the tests are summarized in Table 2 below. do. [Table 2]

[0216] Example 2 Sample polyurethane foam S5 was formed according to the embodiments described herein, and comparative samples were Sample CS1 was prepared for comparison with sample polyurethane foam S5. The compositions of Tanform S5 and CS1 are summarized in Table 3 below. [Table 3]

[0217] Each of the sample polyurethane foams S5 and CS1 was prepared by adding all the liquid components (base polyol) (including alcohols, surfactants, catalysts, pigments, chain extenders, and thixotropic agents) until the liquid phase is homogeneous. Next, fillers (hollow fillers, calcium carbonate fillers) were added. The combined mixture was then mixed until a uniform composition was achieved. Finally, the isocyanate was added to the combined mixture. The material is placed on a release liner (PET liner or paper liner) to a certain thickness ( 1.0 mm, and then heat treated at a certain temperature (150°C or 170°C, etc.) It was then cured in an oven for a few minutes.

[0218] Each of the sample polyurethane foams S5 and CS1 was tested to determine the foam density, tensile strength, and Various characteristics and performance properties were determined, including hardness, elongation, and peel strength. This is summarized in Table 4 below. [Table 4]

[0219] Not all of the operations described above in the summary or examples are required, and specific operations may be Some may not be necessary, and one or more further actions may be performed in addition to the actions described. Furthermore, it should be noted that the order in which the operations are listed does not necessarily indicate the order in which the operations are performed. Not the order in which they are executed.

[0220] Benefits, other advantages, and solutions to problems have been described above with regard to specific embodiments. However, benefits, advantages, solutions to problems, and any benefits, advantages, or Any feature(s) that may cause the solution to occur or make it more prominent , interpreted as a key, essential, or essential feature of any or all of the claims. should not be interpreted.

[0221] The specification and illustrations of the embodiments set forth herein are provided to provide a general understanding of the structure of the various embodiments. The specification and examples are intended to provide a solution to the problems described herein. It is intended as a comprehensive and comprehensive description of all elements and features of devices and systems that use the method. Separate embodiments are also not intended to serve as a single embodiment. It is understood that certain features may be provided in combination, or conversely, may be described in the context of a single embodiment for the sake of brevity. The various features described may also be provided separately or in any subcombination. Additionally, references to values ​​stated in ranges include each and every value within that range. Many other embodiments will be apparent to those skilled in the art upon reading the present disclosure. so that structural substitutions, logical substitutions, or other modifications can be made without departing from the spirit of the present invention. Other embodiments may be used and derived from this disclosure. Therefore, this disclosure is not intended to be limiting. should be considered illustrative rather than representative.

Claims

1. an isocyanate polymer component; A polymer having a molecular weight of at least about 500 kg / mol and no more than about 6000 kg / mol. and a polyol component comprising an olefin, The polyurethane foam comprises an elongation of at least about 500%. Form.

2. 10. The polyurethane foam of claim 1, wherein the polyurethane foam comprises a density of at least about 250 g / L. Polyurethane foam.

3. 10. The polyurethane foam of claim 1, wherein the polyurethane foam comprises a tensile strength of about 1000 kPa or less. Polyurethane foam.

4. The polyurethane foam contains at least Also contains about 12% by weight and not more than about 40% by weight of the isocyanate polymer component. The polyurethane foam of claim 1.

5. The isocyanate polymer component is MDI prepolymer, PMDI, or any of their The polyurethane foam of claim 1 comprising a combination.

6. The polyurethane foam contains at least 2. The method of claim 1, wherein the polyol component is present in an amount of from about 30% by weight to about 85% by weight. The polyurethane foam described herein.

7. The polyol component is a polyether polyol, a polyester polyol, or The polyurethane foam of claim 1 comprising a combination thereof.

8. The polyol component may contain a chain extender, a catalyst, a surfactant, an additive, or a combination thereof. The polyurethane foam of claim 1 , comprising a combination of:

9. The polyol of claim 1 , wherein the polyol component comprises a polycaprolactone polyol. Urethane foam.

10. the polyol component comprises at least about 5% by weight, based on the total weight of the polyol component; and the polycaprolactone polyol is present in an amount of about 30% by weight or less. The polyurethane foam described herein.

11. 10. The polyurethane foam of claim 1, wherein the polyurethane foam further comprises a hollow filler. Inform.

12. The polyurethane foam contains at least 12. The method of claim 11, wherein the hollow filler is present in an amount of about 3% by weight and not more than about 20% by weight. Polyurethane foam.

13. a layer of polyurethane foam and an adhesive layer overlying the surface of the layer of polyurethane foam; and a kryl adhesive layer, wherein the polyurethane foam comprises: an isocyanate polymer component; A polyol having a molecular weight of at least about 500 kg / mol and no more than about 6000 kg / mol. and a fluorine component, An adhesive tape, wherein the adhesive tape comprises a peel strength of at least about 10 N / cm.

14. 14. The polyurethane foam of claim 13, wherein the polyurethane foam comprises an elongation of at least about 500%. adhesive tape.

15. 1. A method for forming a polyurethane foam, comprising: Foam-forming material comprising a polyol component having a molecular weight of at least about 500 kg / mole Providing component A; providing a foam-forming component B comprising an isocyanate polymer component; The foam-forming component A and the foam-forming component B are mixed to form a foam-forming mixture. To form things, forming the foam-forming mixture into a polyurethane foam.

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