A new water repellent single leather composite fabric structure

Abstract

The utility model discloses a novel water repellent single leather composite fabric structure, in turn including single leather surface coating, single leather foaming layer, single leather fabric water repellent layer, adhesive layer, sponge layer, bottom fabric layer. The utility model can satisfy the peeling force requirement of product, and will not produce orange peel, and ensures composite leather fabric soft simultaneously, to adapt to the diversification demand of modern automobile interior.

Description

Technical Field

[0001] This utility model relates to fabric structure, specifically to a novel water-repellent single-layer leather composite fabric structure. Background Technology

[0002] As the demands for quality and comfort in automotive interiors continue to rise, traditional artificial leather products can no longer meet modern needs, and many customers are now seeking a soft and comfortable composite fabric.

[0003] For traditional synthetic leather products, during the bonding process, the adhesive will penetrate into the adhesive foam layer under the action of heating, melting and pressure. If a soft surface layer is selected, defects such as orange peel are very likely to occur.

[0004] If traditional synthetic leather products use a soft and comfortable surface layer, defects such as orange peel can easily occur because the adhesive penetrates into the foam layer. Utility Model Content

[0005] In order to solve the above problems, this utility model provides a novel water-repellent single-layer leather composite fabric structure.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows:

[0007] A novel water-repellent single-layer leather composite fabric structure comprises, in sequence, a single-layer leather surface coating, a single-layer leather foam layer, a single-layer leather water-repellent fabric layer, an adhesive layer, a sponge layer, and a bottom fabric layer.

[0008] In a preferred embodiment of this utility model, the single leather surface coating is one of a PU-based coating, a PVC leather coating treated with a slip-resistant or dry-resistant agent, or an organosilicon-modified coating, and the thickness of the single leather surface coating is 0.05mm-0.23mm.

[0009] In a preferred embodiment of this utility model, the single-layer foamed layer has a porous structure.

[0010] In a preferred embodiment of this utility model, the single-layer leather water-repellent layer is formed by impregnating the surface of polyester fabric with a fluorocarbon compound or an organosilicon water-repellent agent, and the water repellency level of the single-layer leather water-repellent layer is 3-5.

[0011] In a preferred embodiment of this utility model, the adhesive layer comprises a polyurethane adhesive and a softener, and the basis weight of the adhesive layer is 35-60 g / m².

[0012] In a preferred embodiment of this invention, the softener is a vinyl monomer polymer or a silicone oil modifier that does not contain active hydrogen.

[0013] In a preferred embodiment of this utility model, the sponge layer is a polyester sponge, a polyether sponge, or a polyether ester sponge, and the thickness of the sponge layer is 1.5 mm to 10 mm.

[0014] In a preferred embodiment of this utility model, the bottom fabric layer is a knitted or non-woven fabric with a thickness of 0.15 mm to 0.7 mm.

[0015] The beneficial effects of this utility model are:

[0016] This invention can meet the peel force requirements of the product without producing orange peel, and at the same time ensure that the composite leather fabric is soft to meet the diversified needs of modern automotive interiors. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the utility model will be further described below.

[0020] See Figure 1 The novel water-repellent single-layer leather composite fabric structure provided by this utility model includes, from top to bottom, a single-layer leather surface coating 1, a single-layer leather foam layer 2, a single-layer leather fabric water-repellent layer 3, an adhesive layer 4, a sponge layer 5, and a bottom fabric layer 6.

[0021] The single-layer leather coating 1 has a thickness of 0.05mm-0.23mm. Specifically, it can be one of the following: a PU-based coating, a PVC leather coating treated with a slip-resistant or dry-resistant agent, or an organosilicon-modified coating. It is used to improve comfort.

[0022] Single-layer foam layer 2, which is used to improve cushioning and soft touch.

[0023] The single-layer foam layer 2 has a porous structure, which has good elasticity and softness, and can improve comfort.

[0024] The single-layer foam layer 2 can be one of polyvinyl chloride, polyurethane, or silicone.

[0025] The single-layer leather fabric water-repellent layer 3 is used to improve water repellency, prevent excessive penetration of adhesives, and reduce orange peel defects.

[0026] The water-repellent layer 3 of the single-layer leather fabric can be made by impregnating the surface of the polyester fabric with a fluorocarbon compound or organosilicon water-repellent agent. This forms a hydrophobic film, reduces the surface tension of the fiber, and causes water droplets to roll in a ball shape on the fabric surface, making it difficult for water to penetrate. The water repellency effect reaches level 3-5.

[0027] The adhesive layer 4 comprises a soft, moisture-curing polyurethane adhesive and a softener. The softener is specifically a vinyl monomer polymer or silicone oil modifier that does not contain active hydrogen. The sol temperature is 110-130℃; the adhesive viscosity is 5000-10000 CPS; the bonding pressure is 1-3 Kg / cm²; and the basis weight is 35-60 g / m². After bonding, the adhesive is cured for 1-3 hours and then subjected to hot pressing to reactivate the adhesive, accelerate its curing, and allow it to penetrate the single leather fabric layer, thereby increasing the peel strength.

[0028] Sponge layer 5, which provides elastic support, has a thickness of 1.5 mm to 10 mm.

[0029] The bottom fabric layer 6, which serves as a carrier and provides basic structural strength, has a thickness of 1.5 mm to 10 mm.

[0030] By adopting the above-mentioned hierarchical structure in sequence and by specifically limiting the thickness or weight of each layer, this application can achieve both meeting the peel force requirements of the product and preventing orange peel, while ensuring that the composite leather fabric is soft to meet the diversified needs of modern automotive interiors.

[0031] Based on the above solution, this application provides an application example:

[0032] PU coating is selected as the surface coating of soft PU single leather, providing a soft touch. The overall thickness of the PU single leather is 1.0mm, making it thin and soft.

[0033] The water-repellent fabric layer made of PU leather is impregnated with fluorocarbon compounds, achieving a water-repellent effect of level 3-4.

[0034] The bonding layer uses PUR polyurethane adhesive treated with softener, with a melt temperature of 130℃, adhesive viscosity of 6300 CPS, bonding pressure of 2Kg / cm², and hot pressing after curing for 1.5 hours at a temperature of 50℃ and a pressure of 2Kg / cm².

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A novel water-repellent single-layer leather composite fabric structure, characterized in that, It consists of, in sequence, a single-layer leather surface coating, a single-layer leather foam layer, a single-layer leather fabric water-repellent layer, an adhesive layer, a sponge layer, and a bottom fabric layer.

2. The novel water-repellent single-layer leather composite fabric structure according to claim 1, characterized in that, The single-layer leather surface coating is one of the following: PU-based coating, PVC leather coating treated with a slip-resistant or dry-resistant agent, or silicone-modified coating. The thickness of the single-layer leather surface coating is 0.05mm-0.23mm.

3. The novel water-repellent single-layer leather composite fabric structure according to claim 1, characterized in that, The single-layer leather foam layer has a porous structure.

4. The novel water-repellent single-layer leather composite fabric structure according to claim 1, characterized in that, The single-layer leather water-repellent layer is formed by impregnating the surface of polyester fabric with a fluorocarbon compound or organosilicon water-repellent agent, and the water repellency level of the single-layer leather water-repellent layer is 3-5.

5. A novel water-repellent single-layer leather composite fabric structure according to claim 1, characterized in that, The adhesive layer comprises a polyurethane adhesive and a softener, and the basis weight of the adhesive layer is 35-60 g / m².

6. The novel water-repellent single-layer leather composite fabric structure according to claim 5, characterized in that, The softener is a vinyl monomer polymer or a silicone oil modifier that does not contain active hydrogen.

7. A novel water-repellent single-layer leather composite fabric structure according to claim 1, characterized in that, The sponge layer is made of polyester sponge, polyether sponge, or polyether ester sponge, and the thickness of the sponge layer is 1.5 mm to 10 mm.

8. A novel water-repellent single-layer leather composite fabric structure according to claim 1, characterized in that, The bottom fabric layer is a knitted or non-woven fabric with a thickness of 0.15 mm to 0.7 mm.

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