Flame-retardant high-temperature-resistant core-spun yarn fabric compounded with aluminum-plated film

Abstract

The utility model discloses a flame-retardant high-temperature-resistant core-spun yarn fabric of a composite aluminized film. The flame-retardant high-temperature-resistant core-spun yarn fabric comprises heat-insulating base cloth and an aluminized film layer, a heat-insulating adhesive layer is coated between the heat-insulating base cloth and the aluminized film layer, and the aluminized film layer is compounded on the heat-insulating base cloth through the heat-insulating adhesive layer; the aluminized film layer comprises a modified polyester film layer, a high-brightness pure aluminum film layer and a polysulfonamide film layer which are compounded in sequence, and the polysulfonamide film layer is compounded on the heat insulation base cloth through the heat insulation glue layer. The aluminum laminated film layer formed by compounding the modified polyester film layer, the high-brightness pure aluminum film layer and the polysulfone amide film layer has good heat insulation performance, heat radiation penetration resistance and flame retardant performance; the polysulfone amide film layer has good heat reflection performance; the high-brightness pure aluminum film layer is low in reflective rate and heat conductivity and has good radiation heat penetration resistance; and the modified polyester film layer has good flexibility and wear resistance, so that the fabric has good bending resistance, and the service life of the fabric is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of textile industry, in particular to a flame-retardant and high-temperature resistant core-spun yarn fabric with composite aluminum-plated film. Background Art

[0002] The dangerous environment of high temperature thermal radiation exists in a wide range from home to industry, posing a potential threat to human life safety. The outer fabric of fire-fighting thermal insulation protective clothing determines the thermal radiation resistance and flame retardant properties of the protective clothing. The outer fabric of existing fire-fighting thermal insulation protective clothing is mainly made of aluminum foil and aramid fiber fabric or glass fiber fabric laminated composite. In high temperature environment, aluminum foil can effectively reflect high temperature thermal radiation heat.

[0003] At present, the existing outer fabrics made of aluminum foil and glass fiber fabric reflect the high temperature heat generated by the flame. The glass fiber fabric has excellent insulation, heat resistance and flame retardancy, but the disadvantage is that the glass is super brittle, uncomfortable to wear, irritating to the skin and poor wear resistance. The existing outer fabrics made of aluminum foil and aramid fiber fabric are expensive, and the flame retardancy and heat insulation performance are not as good as those of glass fiber fabric, but the comfort of aramid fabric is significantly better than that of glass fiber fabric. The overall heat insulation performance, flame retardancy, comfort performance and physical and mechanical properties of the existing outer fabrics made of aluminum foil and glass fiber fabric are poor. Utility Model Content

[0004] The utility model provides a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film, so as to solve the technical problems that the existing flame-retardant and high-temperature resistant fabric has poor thermal insulation performance, flame retardancy, comfort performance and physical and mechanical properties.

[0005] The technical solution provided by the utility model is as follows:

[0006] One object of the utility model is to provide a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film, wherein the flame-retardant and high-temperature resistant core-spun yarn fabric comprises a heat-insulating base fabric and an aluminum-plated film layer;

[0007] A heat-insulating adhesive layer is applied between the heat-insulating base fabric and the aluminized film layer, and the aluminized film layer is compounded to the heat-insulating base fabric through the heat-insulating adhesive layer;

[0008] The aluminum-plated film layer includes a modified polyester film layer, a high-brightness pure aluminum film layer and a polysulfoneamide film layer compounded in sequence, and the polysulfoneamide film layer is compounded to the thermal insulation base cloth through the thermal insulation adhesive layer.

[0009] In a preferred embodiment, the heat insulating base fabric is: a plain weave or twill weave fabric woven from core-spun yarn strands;

[0010] The core-spun yarn strands include at least two core-spun yarns that are twisted together; the core-spun yarn includes a yarn core and outer sheath fibers tightly wound around the outer periphery of the yarn core.

[0011] In a preferred embodiment, the mass per unit area of ​​the flame retardant and high temperature resistant core-spun yarn fabric is

[0012] In a preferred embodiment, the amount of the thermal insulation adhesive layer applied between the thermal insulation base fabric and the aluminized film layer is

[0013] In a preferred embodiment, the outer covering fiber is one or a mixture of aramid fiber, aramid sulfone fiber, PBI fiber, PBO fiber, polyimide fiber.

[0014] In a preferred embodiment, the yarn core is made of glass fiber filaments or basalt fiber filaments.

[0015] The utility model discloses a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film, which is prepared according to the following method, including the following method steps:

[0016] Preparation of aluminum coating:

[0017] In thickness On the polysulfoneamide film layer, a layer of high-brightness pure aluminum film with uniform thickness is deposited by plasma-enhanced magnetron sputtering;

[0018] On the high-brightness pure aluminum film layer, a modified polyester film layer is cast to form an aluminum-plated film layer;

[0019] The aluminized film layer is compounded on the heat-insulating base fabric:

[0020] A heat-insulating adhesive layer is coated between the heat-insulating base fabric and the aluminized film layer, and the aluminized film layer is compounded to the heat-insulating base fabric through the heat-insulating adhesive layer.

[0021] The thickness of the modified polyester film layer is

[0022] In a preferred embodiment, the polysulfoneamide membrane layer is prepared by the following method:

[0023] The quality score is The polysulfoneamide resin is dissolved in N,N-dimethylacetamide solution to prepare a polysulfoneamide prepolymer sol;

[0024] The polysulfoneamide prepolymer sol is uniformly coated on a peelable carrier by a casting method, and after being heated and dried in a drying tunnel, it is peeled off from the release surface of the carrier and rolled up to form a film, thereby forming a polysulfoneamide film layer.

[0025] In a preferred embodiment, the thermal insulation base fabric is prepared by the following method:

[0026] The outer covering fibers are tightly wound around the outer periphery of the yarn core to form a core-spun yarn;

[0027] Plying at least two core-spun yarns to form core-spun yarn strands;

[0028] The core-spun yarn strands are woven with a plain weave or a twill weave to form the thermal insulation base fabric.

[0029] Compared with the prior art, the above technical solution of the utility model has at least the following beneficial effects:

[0030] The utility model provides a flame-retardant and high-temperature resistant core-spun yarn fabric of a composite aluminum-plated film. The aluminum-plated film layer formed by a composite of a modified polyester film layer, a high-brightness pure aluminum film layer and a polysulfoneamide film layer has good thermal insulation performance, resistance to thermal radiation penetration and flame retardancy; the polysulfoneamide film layer has good thermal reflection performance; the high-brightness pure aluminum film layer has low reflectivity and thermal conductivity and has good resistance to radiation heat penetration; the modified polyester film layer has good flexibility and wear resistance, so that the fabric has good bending resistance and improves the practical life of the fabric; at the same time, the core-spun yarn structure adopted by the thermal insulation base cloth also has good thermal insulation performance, which effectively improves the overall thermal insulation performance of the fabric.

[0031] The utility model provides a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film. The yarn core of the heat-insulating base fabric is made of glass fiber or basalt fiber with a high limiting oxygen index and excellent flame-retardant performance.

[0032] The utility model provides a composite aluminum-plated flame-retardant and high-temperature resistant core-spun yarn fabric. The core-spun yarn is made of outer fiber with good comfort performance. The surface of the core-spun yarn does not contain any glass fiber, which can provide comfort for the wearer to the maximum extent. The fabric is soft and has no itching feeling when worn. It is easy and comfortable to wear.

[0033] The utility model provides a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film. The aluminum-plated film layer is composited to the thermal insulation base fabric through a thermal insulation adhesive layer. The adhesion is strong, the bonding fastness of the aluminum-plated film layer is greatly improved, the overall breaking strength and tearing strength of the fabric are greatly improved, and the service life is increased.

[0034] The utility model provides a composite aluminum-plated flame-retardant and high-temperature resistant core-spun yarn fabric, which effectively reduces the weight of protective clothing, which is especially important for firefighters who have a large amount of exercise, long working hours, and carry a variety of fire-fighting and rescue equipment.

[0035] The utility model provides a composite aluminum-plated flame-retardant and high-temperature resistant core-spun yarn fabric, which has good thermal insulation performance, excellent flame retardant performance, and high radiation heat resistance. In addition, it is soft, easy to cut and sew, has high breaking strength and tearing strength, is light in weight, and has good bending resistance and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0037] Figure 1 The utility model is a cross-sectional view of a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film.

[0038] Figure 2 The utility model is a schematic diagram of a heat-insulating base fabric of a plain weave structure woven from core-spun yarn strands.

[0039] Figure 3 It is a schematic diagram of the core-spun yarn of the utility model. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar terms used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one", "an" or "the" do not indicate a quantity limitation, but indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0042] It should be noted that the terms "up", "down", "left", "right", "front", "back", etc. used in the present invention are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0043] Combination Figures 1 to 3 According to an embodiment of the utility model, a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminized film is provided, comprising a heat-insulating base fabric 3 and an aluminized film layer 1.

[0044] A heat-insulating adhesive layer 2 is coated between the heat-insulating base fabric 3 and the aluminized film layer 1 , and the aluminized film layer 1 is compounded (bonded) to the heat-insulating base fabric 3 through the heat-insulating adhesive layer 2 .

[0045] The heat-insulating adhesive layer 2 of the utility model is flame-retardant and high-temperature-resistant modified polyurethane adhesive, which effectively enhances the adhesion of the aluminized film layer 1 composite (bonded) to the heat-insulating base fabric 3 and greatly improves the bonding fastness of the aluminized film layer 1.

[0046] like Figure 1 As shown, the aluminum-plated film layer 1 of the utility model comprises a modified polyester film layer 101, a high-brightness pure aluminum film layer 102 and a polysulfoneamide film layer 103 which are compounded in sequence. The polysulfoneamide film layer 103 of the aluminum-plated film layer 1 is compounded (bonded) to the heat-insulating base fabric 3 through the heat-insulating adhesive layer 2.

[0047] According to the embodiment of the utility model, the heat insulating base fabric 3 is a plain weave or twill weave fabric woven from core-spun yarn strands.

[0048] In one embodiment, the core-spun yarn strands are woven into a plain weave heat-insulating base fabric 3, such as Figure 2 As shown, the warp core-spun yarn strands 301 are mutually interwoven through a single weft core-spun yarn strand 301 to form a heat-insulating base fabric 3.

[0049] In another embodiment, the core-spun yarn strands are woven into the heat-insulating base fabric 3 using a twill weave, and the warp core-spun yarn strands 301 are woven through two weft core-spun yarn strands 301 to form the heat-insulating base fabric 3 in an interlaced manner.

[0050] According to an embodiment of the present invention, the core-spun yarn strands include at least two core-spun yarns that are plied together. Figure 3 As shown, the core-spun yarn includes a yarn core 303 and outer covering fibers 304 tightly wound around the outer periphery of the yarn core 303. At least two core-spun yarns are plied together to form core-spun yarn strands.

[0051] In some embodiments, three or more core-spun yarns are plied together to form core-spun yarn strands. In some embodiments, one outer sheath fiber 304 or two outer sheath fibers 304 are tightly wound around the outer periphery of the yarn core 303 .

[0052] Furthermore, the outer fiber 304 of the utility model is a flame retardant fiber, which is one or a mixture of aramid fiber, aramid fiber, PBI fiber, PBO fiber, polyimide fiber, etc. The yarn core 303 is made of glass fiber filament or basalt fiber filament.

[0053] According to the embodiment of the utility model, the mass per unit area of ​​the flame retardant and high temperature resistant core-spun yarn fabric is

[0054] According to the embodiment of the utility model, the amount of the heat-insulating adhesive layer 2 coated between the heat-insulating base fabric 3 and the aluminized film layer 1 is

[0055] According to an embodiment of the utility model, a method for preparing a flame-retardant and high-temperature resistant core-spun yarn fabric with a composite aluminum-plated film is provided, comprising the following method steps:

[0056] Preparation of thermal insulation base fabric 3:

[0057] The outer covering fiber 304 is tightly wound around the outer periphery of the yarn core 303 to form a core-spun yarn. The outer covering fiber 304 is a flame retardant fiber, which is a fiber or a mixture of multiple fibers selected from aramid fiber, aramid fiber, PBI fiber, PBO fiber, and polyimide fiber. The yarn core 303 is made of glass fiber filaments or basalt fiber filaments.

[0058] In some embodiments, one outer covering fiber 304 or two outer covering fibers 304 are tightly wound around the outer periphery of the yarn core 303 .

[0059] At least two core-spun yarns are plied together to form core-spun yarn strands. In some embodiments, three core-spun yarns or more core-spun yarns are plied together to form core-spun yarn strands.

[0060] The core-spun yarn strands are woven using a plain weave or a twill weave to form a heat-insulating base fabric 3 .

[0061] Preparation of polysulfoneamide membrane layer 103:

[0062] The quality score is The polysulfoneamide resin is dissolved in N,N-dimethylacetamide solution to prepare a polysulfoneamide prepolymer sol.

[0063] The polysulfoneamide prepolymer sol is uniformly coated on a peelable carrier by a casting method, and after being heated and dried in a drying oven, it is peeled off from the release surface of the carrier and rolled up to form a film, thereby forming a polysulfoneamide film layer 103. The thickness of the polysulfoneamide film layer 103 is

[0064] Preparation of aluminum coating layer 1:

[0065] In thickness A high-brightness pure aluminum film layer 102 with uniform thickness is deposited on the polysulfoneamide film layer 103 by plasma enhanced magnetron sputtering.

[0066] On the high-brightness pure aluminum film layer 102, a modified polyester film layer 101 is cast to form an aluminum-plated film layer 1. The thickness of the modified polyester film layer 101 is

[0067] The aluminized film layer 1 is compounded (bonded) to the heat-insulating base fabric 3:

[0068] A heat-insulating adhesive layer 2 is coated between the heat-insulating base fabric 3 and the aluminized film layer 1 , and the aluminized film layer 1 is compounded (bonded) to the heat-insulating base fabric 3 through the heat-insulating adhesive layer 2 .

[0069] The heat-insulating adhesive layer 2 of the utility model is a flame-retardant and high-temperature-resistant modified polyurethane adhesive. The amount of adhesive applied to the heat-insulating adhesive layer 2 between the heat-insulating base fabric 3 and the aluminized film layer 1 is

[0070] According to the embodiment of the utility model, a flame retardant and high temperature resistant core-spun yarn fabric with a composite aluminum-plated film is prepared, and the unit area mass is

[0071] Embodiment 1.

[0072] The yarn core 303 is made of expanded glass fiber filament, the outer fiber 304 is made of aramid fiber, the modified polyester film layer 101 is made of modified polyester film, the high-brightness pure aluminum film layer 102 is made of high-purity aluminum, the polysulfoneamide film layer 103 is made of polysulfoneamide resin, and the heat-insulating adhesive layer 2 is made of flame-retardant and high-temperature resistant modified polyester adhesive.

[0073] Product name: Flame retardant and high temperature resistant core-spun yarn fabric with composite aluminized film.

[0074] Mass per unit area of ​​aluminum coating layer 1: 26g / m 2 ;

[0075] Thickness of polysulfoneamide membrane layer 103: 15 μm;

[0076] Polysulfoneamide membrane layer 103 unit area mass: 8g / m 2 ;

[0077] High brightness pure aluminum film layer 102 unit area mass: 6g / m 2 ;

[0078] Modified polyester film layer 101 unit area mass: 12g / m 2 ;

[0079] Thermal insulation layer 2 glue coating amount: 15g / m 2 ;

[0080] Thermal insulation base fabric 3 yarn count: the core yarn density is 42tex×2, of which the yarn core 303 (bulked glass fiber filament) has a linear density of 200D;

[0081] Thermal insulation base fabric 3 warp density × weft density: 160 pieces / 10cm×200 pieces / 10cm

[0082] Thermal insulation base fabric 3 structure: plain weave fabric;

[0083] Warp and weft arrangement: Figure 2 As shown;

[0084] Thermal insulation base fabric 3 unit fabric mass: 300g / m 2 ;

[0085] Total fabric mass per unit area: 321g / m 2 .

[0086] The utility model prepares a composite aluminum-plated flame-retardant and high-temperature resistant core-spun yarn fabric. After testing, its main properties are as follows:

[0087] Afterburning time ≤ 2 seconds;

[0088] Damage length ≤10mm;

[0089] Breaking strength ≥2000N;

[0090] Tearing strength ≥500N;

[0091] Thermal stability: after 260℃ / 5min, the dimensional change rate is ≤2%, and there is no delamination, brittle cracking or discoloration on the surface of the fabric;

[0092] Anti-radiation heat penetration: temperature rise time of 24℃≥120s;

[0093] Thermal protection performance: TPP value ≥ 60kw·s / m 2 ;

[0094] Bending resistance ≥3000 times;

[0095] The above performances are far higher than the current national standards.

[0096] There are a few points to note:

[0097] (1) The drawings of the embodiments of the present utility model only relate to the structures related to the embodiments of the present utility model, and other structures may refer to the conventional designs.

[0098] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, the thickness of the layers or regions is enlarged or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be an intermediate element.

[0099] (3) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0100] The above are only specific implementation methods of the present utility model, but the protection scope of the present utility model is not limited thereto. The protection scope of the present utility model shall be based on the protection scope of the claims.

Claims

1. A flame-retardant and high-temperature resistant core-spun yarn fabric with composite aluminum film, characterized in that: The flame-retardant and high-temperature resistant core-spun yarn fabric comprises a heat-insulating base fabric and an aluminized film layer; A heat-insulating adhesive layer is applied between the heat-insulating base fabric and the aluminized film layer, and the aluminized film layer is compounded to the heat-insulating base fabric through the heat-insulating adhesive layer; The aluminum-plated film layer includes a modified polyester film layer, a high-brightness pure aluminum film layer and a polysulfoneamide film layer which are compounded in sequence, and the polysulfoneamide film layer is compounded on the thermal insulation base fabric through the thermal insulation adhesive layer; The thickness of the modified polyester film layer is 2. The flame retardant and high temperature resistant core-spun yarn fabric according to claim 1, characterized in that: The heat-insulating base fabric is a plain or twill fabric woven from core-spun yarn strands; The core-spun yarn strands include at least two core-spun yarns that are twisted together; the core-spun yarn includes a yarn core and outer sheath fibers tightly wound around the outer periphery of the yarn core.

3. The flame retardant and high temperature resistant core-spun yarn fabric according to claim 1, characterized in that: The mass per unit area of ​​the flame retardant and high temperature resistant core-spun yarn fabric is 4. The flame retardant and high temperature resistant core-spun yarn fabric according to claim 1, characterized in that: The amount of glue applied to the thermal insulation glue layer between the thermal insulation base fabric and the aluminum-plated film layer is 5. The flame retardant and high temperature resistant core-spun yarn fabric according to claim 2, characterized in that: The yarn core is made of glass fiber filaments or basalt fiber filaments.

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