1029results about "Acid polymer adhesives" patented technology

A susceptor composition that can bond two or more layers or substrates to one another and that can be used to coat or cut a substrate. The susceptor composition is activated in the presence of radio frequency (RF) energy. In one embodiment, the susceptor composition of the present invention comprises a susceptor and a carrier. The carrier and susceptor are blended with one another and form a mixture, preferably a uniform mixture. The susceptor is present in an amount effective to allow the susceptor composition to be heated by RF energy. In a preferred embodiment, the susceptor also functions as an adhesive. The susceptor is an ionic or polar compound and acts as either a charge-carrying or an oscillating / vibrating component of the susceptor composition. The susceptor generates thermal energy in the presence of an RF electromagnetic or electrical field (hereafter RF field).

A polycarboxy binder composition that contains a dextrin as a co-binder is provided. The dextrin co-binder may be a dextrin, a modified dextrin, a maltodextrin, or combinations thereof. The dextrin may be chemically modified. A pre-binder composition is formed that contains a polycarboxy polymer, a crosslinking agent, and optionally a catalyst. The polycarboxy polymer may be a homopolymer or copolymer prepared from unsaturated carboxylic acids and may be modified to contain one or more vinyl compounds. The crosslinking agent may be a polyol that contains at least two hydroxyl groups. The pre-binder composition may be formed by admixing the polycarboxy polymer, the crosslinking agent, and optionally, the catalyst, in a mixing device. Dextrin may be added to the pre-binder composition in an amount of from 10-75% of the total binder composition. The dextrin binder composition may have a ratio of from approximately 90:10 to 25:75 pre-binder:dextrin co-binder.

A coated print bed for a 3D printer having a permanent print-surface coating permanently secured to a print bed substrate plate, having a smooth, planar surface that provides an adhesive interface layer between a first layer of an applied plastic print material and the coated print bed. The coating contains a matrix-forming compound, such as a solvent- or water-based epoxy resin, an adhesive material, and optionally a filler. The user can print a series of print object directly onto the permanent print surface coating of the coated print bed, without having to refresh or refurbish the print surface, such as by applying to the print bed surface a temporary coating such as painter's tape, or a liquid adhesive.

A kit for dental adhesive comprising a radical polymerizable monomer having an acid group in the molecule, a photosensitizer and / or a peroxide, a water-soluble organic solvent, an organic sulfinic acid and / or a salt thereof or a barbituric acid and / or a derivative thereof, and water. The kit may further comprises a radical polymerizable monomer which has no acid group and is insoluble or hardly soluble in water, an amine compound, a silane coupling agent and a 1,3,5-triazine-2,4-dithion derivative. By using this kit, the adhesive composition can be applied directly to a dentine without conducting a pretreatment.

A fiberglass non-woven binder composition containing a carboxy-functional copolymer binder crosslinker and a compound capable of forming a hydrogen-bonding complex with the carboxy-functional copolymer binder. The binder composition provides a strong, yet flexible bond that allows a compressed fiberglass mat to easily expand once the compression is released. The binder composition is capable of being cured at lower cure temperatures than those binders prepared using conventional crosslinkers.

The invention relates to adhesive for collecting formaldehyde and paint for collecting the formaldehyde, both of which use formaldehyde collecting agent as a composition of active components. The adhesive is used for adhesion of the outmost layer in a man-made board or adhesion and edge sealing at a kerf of the man-made board, can effectively absorb formaldehyde released by the man-made board, does not cause influence on the adhesive strength of the board, and is comparatively cheap. The paint is used for painting indoor walls, absorbs the formaldehyde in the indoor air, can also be used for painting the surface of the man-made board, seals and absorbs formaldehyde gas, and reduces the release amount of the formaldehyde. Compared with the prior art, the adhesive and the paint for collecting the formaldehyde have the advantages that the adhesive and the paint are cheap, can efficiently adsorb the formaldehyde and generate stable compounds, and do not re-decompose and release the formaldehyde, so the adhesive and the paint cannot generate other secondary pollutants.

The present invention provides a pressure sensitive adhesive composition for optical members, which is excellent in durability, re-releasability and stress relaxation, as well as a pressure sensitive adhesive composition for optical members, which hardly increases adhesion after storage for a long time and does not leave a residual adhesive on glass upon disposal or repair. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl(meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

A pressure sensitive adhesive composition is provided that includes a pressure sensitive adhesive polymer. The polymer includes: at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer, wherein the (meth)acrylic acid ester monomer, when homopolymerized, has a Tg of less than about 25° C.; at least one copolymerized monoethylenically unsaturated reinforcing monomer, wherein the reinforcing monomer, when homopolymerized, has a Tg of at least about 25° C.; covalently bonded quarternary ammonium functionality; and, optionally, at least one copolymerized monoethylenically unsaturated poly(alkylene oxide) monomer. The composition optionally further includes at least one nonreactive poly(alkylene oxide) polymer and / or at least one antimicrobial agent.

A pressure-sensitive adhesive composition contains (a) an acrylic polymer containing an alkyl (meth)acrylate whose alkyl group has from 4 to 12 carbon atoms, as a monomer major component and from 1 to 10 parts by weight, based on 100 parts by weight of the whole of the monomer components, of a carboxyl group-containing monomer as a monomer component and having a weight average molecular weight of from 500,000 to 900,000; and (b) an oligomer containing an ethylenically unsaturated monomer, in which a homopolymer formed therefrom has a glass transition temperature of from 60 to 190° C. and which has a cyclic structure, as a monomer major component and from 1 to 10 parts by weight, based on 100 parts by weight of the whole of the monomer components, of a carboxyl group-containing monomer as a monomer component and having a weight average molecular weight of from 3,000 to 6,000.

One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions.

Provided are a pressure-sensitive adhesive for applying an optically functional film by which adhesion can be carried out with good durability in adhesion of a polarizing plate, particularly a polarizing plate integrated with a viewing angle expanding film with a liquid crystal cell, adhesion of a polarizing plate with a retardation film, adhesion of a retardation film with a retardation film and adhesion of a retardation film with a liquid crystal cell and which endows a liquid crystal display with even brightness without bringing about bubbles in a pressure-sensitive adhesive layer and an uneven luminance even after the passage of time, an optically functional film and a production process for the same.The above pressure-sensitive adhesive for applying an optically functional film comprises a pressure-sensitive adhesive resin and fine particles having an average particle diameter of 0.1 to 20 μm, wherein a storage elastic modulus (G′) at 23° C. is 0.3 to 15 MPa, and a haze value is 5% or more.

The invention relates to a polyacrylate water-based adhesive for electrode materials of a lithium ion battery, a preparation method of the adhesive and electrode plates of the lithium ion battery. The adhesive is a cross-linked high-solid-content polyacrylate water-based adhesive; the polymer molecule chain segment of the adhesive comprises a hydrophilic segment and a lipophilic segment which are cross-linked through a cross-linking agent to form a spatial reticular structure. The electrode plates produced by the adhesive cannot fall off in charge and discharge processes, the adhesive has a relatively good adhesion effect on the positive and negative electrode materials of the lithium ion battery, and the expansion of electrode plates of graphite anode materials, especially silicon-based materials can be inhibited.

The present invention provides a pressure-sensitive adhesive which can prevent electrification of a non-electrification-prevented adherend upon peeling, suppresses occurrence of peeling off even with time or via treatment under a high temperature, and is excellent in adhesion reliance, as well as an antistatic pressure-sensitive adhesive sheet, and surface protecting film using this. The pressure-sensitive adhesive composition of the present invention contains an ionic liquid, and a polymer having a glass transition temperature of Tg of 0° C. or lower as a base polymer, as well as an ethylene oxide group-containing compound and / or a surfactant.

The present invention provides a pressure-sensitive adhesive composition comprising an acrylic polymer (a), an acrylic oligomer (b), a silane coupling agent having an amino group, and a cross-linking agent, the acrylic polymer (a) containing, as a main monomer component, at least one of a (meth)acrylic acid alkyl ester containing an alkyl group having a number of carbons of from 4 to 12 and a (meth)acrylic acid alkoxyalkyl ester, and containing 1 to 10 parts by weight of a carboxyl group-containing monomer as a monomer component based on 100 parts by weight of the total monomer components constituting the acrylic polymer (a), the acrylic polymer (a) having a weight-average molecular weight of from 400,000 to 1,500,000; and the acrylic oligomer (b) containing a (meth)acrylic acid ester as a main monomer component, and containing 1 to 10 parts by weight of a carboxyl group-containing monomer as a monomer component based on 100 parts by weight of the total monomer components constituting the acrylic oligomer (b), the acrylic oligomer (b) having a weight-average molecular weight of 3,000 or more but less than 6,000, in which the pressure-sensitive adhesive composition contains 10 to 35 parts by weight of the acrylic oligomer (b) and 0.01 part by weight or more but less than 1.0 part by weight of the silane coupling agent having an amino group, based on 100 parts by weight of the acrylic polymer (a). The pressure-sensitive adhesive composition is excellent in transparency and foaming and separation resistances, does not cause periodical reduction of adhesiveness and dramatically improves adhesion reliability.

A transparent double-sided pressure-sensitive adhesive tape or sheet contains a transparent substrate and a transparent pressure-sensitive adhesive layer disposed on each side of the substrate, wherein the transparent pressure-sensitive adhesive layer disposed on at least one side of the transparent substrate is a layer formed from a pressure-sensitive adhesive composition containing a specific acrylic polymer (a) and a specific oligomer (b).

A photocurable pressure-sensitive adhesive composition includes an acrylic binder resin including a cellulose compound and an acrylic monomer, an acrylate oligomer compound, a curing agent, and a photoinitiator.

The present invention relates to an acrylic pressure sensitive adhesive composition for the production of a polarizer, which has excellency in major characteristics including durability and antistatic property, more precisely, an acrylic pressure sensitive adhesive composition containing ester plasticizer having one or more ether bonds and alkali metallic salt, a polarizer applied with the pressure sensitive adhesive and liquid crystal display (LCD) device using the same. The acrylic pressure sensitive adhesive composition for the production of a polarizer of the present invention has excellent pressure sensitive adhesive functions and durability.

The invention discloses multi-component super-molecular hydrogel and a preparation method of the multi-component super-molecular hydrogel. The hydrogel is formed by a component containing a strong hydrogen bond, a component containing a weak hydrogen bond and water, wherein the component containing the strong hydrogen bond is one or more of a carbon oxide nano tube, graphene oxide, a carboxylated ferroferric oxide nano particle, a carboxylated silver nano particle, a carboxylated quantum dot, polyacrylic acid, polypropylene glycol, polyvinyl alcohol, polyurethane, polyamide and poly(p-styrene) sodium sulfonate; and the component containing the weak hydrogen bond is a small-molecular compound or a high-molecular compound. A lot of cross-linking force of the hydrogel disclosed by the invention comes from the weak hydrogen bond so that the hydrogel is very sensitive to the stimulation of an external environment; when chemical components are proper, gel-sol conversion can be carried out under the effects of temperature rising, near-infrared light illumination and acids; and the conversion is reversible, namely the gel-sol conversion can be carried out under the effects of temperature reduction, removing of a near-infrared light source and alkalis.

A pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) of the invention comprises a retardation layer-attached polarizing plate (3) comprising a polarizing plate (2) that comprises an iodine-based polarizer (1) and a transparent protective film laminated on both sides of the polarizer (1); and a retardation layer provided on at least one of the transparent protective films; and an acrylic pressure-sensitive adhesive layer laminated on the retardation layer side of the retardation layer-attached polarizing plate (3), wherein the iodine-based polarizer (1) has a ratio (K / I), which is the content (% by weight) of potassium (K) to the content (% by weight) of iodine (I) in the polarizer, of 0.200 to 0.235, the polarizing plate (2) comprises the iodine-based polarizer (1) and the transparent protective film laminated with an adhesive layer formed from a water-soluble adhesive containing an acetoacetyl group-containing polyvinyl alcohol resin and a crosslinking agent, the retardation layer-attached polarizing plate (3) has a measured dimensional shrinkage of 0.5% or less in the direction of its absorption axis after it is allowed to stand at 80° C. for 24 hours, the pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) has a single-piece transmittance of 41.0% to 43.2%. The pressure-sensitive adhesive and retardation layer-attached polarizing plate can resist a change in optical properties and keep visibility high, even under heated or humidified conditions.

Fiberglass mats, binder compositions, and methods for making the same are provided. The fiberglass mat can include a plurality of glass fibers and an at least partially cured binder composition. The binder composition, prior to at least partial curing, can include a first copolymer modified by reaction with one or more base compounds. The first copolymer can include one or more unsaturated carboxylic acids, one or more unsaturated carboxylic anhydrides, or a combination thereof, and one or more vinyl aromatic derived units. The first copolymer can have a weight average molecular weight (Mw) of about 500 to about 200,000. The first copolymer can be present in an amount ranging from about 60 wt % to about 95 wt %, based on a combined weight of the first copolymer and the one or more base compounds.

The invention discloses a battery or conductive adhesive applied to a capacitor and an electrode composition; the composition contains the conductive adhesive. According to the percentage of total mass, the conductive adhesive consists of 10-30 percent of matrix and 70-90 percent of solvent; the matrix is a composite, which essentially contains 30-60 percent of electronic conductive polymer and 40-70 percent of ion conductive polymer by mass ratio. The electronic conductive polymer is a homopolymer or copolymer and polymerized by at least one aromatic monomer with a conjugate structure; the ion conductive polymer is a polyether or a homopolymer or copolymer containing dissociative polar groups. Since the adhesive has the performance of electronic or ion conductive, the consumption of conductive agent can be reduced, or the additional conductive agent can not be needed; therefore, specific capacity of the battery and the capacitor can be increased; the contacting resistance among active materials and between the active materials and current collector can be reduced, thus improving chemical performance of the battery and the capacitor.

The present invention relates to the use, for adhesion on hair or fiber-populated surfaces, of hydrogel adhesive characterized by a G′25, (1 rad / sec) or below 1000 Pa, resulting in embedding of the hair of fiber and good adhesion properties on the surface.The invention also encompasses Personal Care Products and Surface Care Articles containing the hydrogel compositions herein.

The present invention provides an optical-use pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer having, as measured through dynamic viscoelastometry, a storage elastic modulus at 80° C. of at least 2.0×104 Pa and a loss elastic modulus at 80° C. of at least 1.0×104 Pa, in which the pressure-sensitive adhesive sheet has a peel force, as measured in the L-shape peel test, of at least 0.16 MPa, and has a peel distance, as measured in the constant-load peel test (under a load of 100 gf for 3 hours), of at most 50 mm.

The present invention provides a double-sided pressure-sensitve adhesive sheet excellent in waterproof property (water stopping property) and impact resistance. The present invention relates to a double-sided pressure-sensitive adhesive sheet including a polyolefin foam substrate and an acrylic pressure-sensitive adhesive layer on both surfaces of the polyolefin foam substrate, wherein the polyolefin foam substrate has a volume percentage of closed cells of 70% or more and a degree of crosslinking of from 3 to 60 wt%, and the acrylic pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition containing: an acrylic polymer formed from a component including, as an essential monomer component thereof, an alkyl (meth)acrylate having a linear or branched alkyl group; and a tackifying resin.

The present invention relates to an acrylic pressure sensitive adhesive composition for the production of a polarizer, which has excellency in major characteristics including durability and antistatic property, more precisely, an acrylic pressure sensitive adhesive composition containing ester plasticizer having one or more ether bonds and alkali metallic salt, a polarizer applied with the pressure sensitive adhesive and liquid crystal display (LCD) device using the same. The acrylic pressure sensitive adhesive composition for the production of a polarizer of the present invention has excellent pressure sensitive adhesive functions and durability.

The invention relates to a preparation method and application of an environment-friendly lithium ion battery, and in particular relates to a simulated mussel protein environment-friendly lithium ion battery adhesive. By simulating the molecular structure and action mechanism of mussel protein, histidine and dopamine are connected to polyacrylic acid, polymaleic acid, sodium alginate, sodium carboxymethylcellulose, carboxymethyl chitin, carboxymethyl chitosan, abietic acid and other natural or synthesized polymer to prepare a series of aqueous adhesives. The adhesive has a good adhering effect for various cathode materials such as carbon black, graphite and silicon. By adopting the adhesive provided by the invention, various properties of a lithium ion battery can be obviously improved, and especially cycle property of a silicon cathode material in a battery can be obviously improved.

In general, the invention features a pressure sensitive adhesive that comprises the reaction product of:(a) from about 25 to about 95 parts by weight of at least one acrylic acid ester of a monohydric alcohol whose homopolymer has a Tg less than 0° C.,(b) from 0 to about 75 parts by weight of at least one non-polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of no greater than 10.50 and a Tg greater than 15° C.; and(c) from about 5 to about 35 parts by weight of at least one polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of greater than 10.50 and a Tg greater than 15° C.The pressure sensitive adhesives adhere to substrates having a low surface energy and / or high surface energy.

A susceptor composition that can bond two or more layers or substrates to one another and that can be used to coat or cut a substrate. The susceptor composition is activated in the presence of radio frequency (RF) energy. In one embodiment, the susceptor composition of the present invention comprises a susceptor and a carrier. The carrier and susceptor are blended with one another and form a mixture, preferably a uniform mixture. The susceptor is present in an amount effective to allow the susceptor composition to be heated by RF energy. In a preferred embodiment, the susceptor also functions as an adhesive. The susceptor is an ionic or polar compound and acts as either a charge-carrying or an oscillating / vibrating component of the susceptor composition. The susceptor generates thermal energy in the presence of an RF electromagnetic or electrical field (hereafter RF field).

The present invention relates to a removable pressure-sensitive adhesive composition containing an acrylic polymer, a photopolymerization initiator and a crosslinking agent, in which the acrylic polymer and the photopolymerization initiator each are chemically bonded to the crosslinking agent. The present invention also relates to a removable pressure-sensitive adhesive composition containing an acrylic polymer and a photopolymerization initiator, the composition further containing a crosslinking agent having a reactive functional group which is capable of reacting with a reactive functional group of the acrylic polymer and a reactive functional group of the photopolymerization initiator.