CN217803742U

CN217803742U - High-strength PVC artificial leather

Info

Publication number: CN217803742U
Application number: CN202221580263.0U
Authority: CN
Inventors: 俞盛峰; 俞锡尧; 郑善龙
Original assignee: Shaoxing Zhuoda Soft Decoration Co ltd
Current assignee: Shaoxing Zhuoda Soft Decoration Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-15
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a high strength PVC synthetic leather relates to artificial leather, aims at solving the synthetic leather because its material has the poor problem of feeling that influences the leather goods of making, and its technical scheme main points are: including the leather layer and bond in the basic unit of leather layer one side, the leather layer is formed with a plurality of crisscross concave veins each other to one side impressed watermark of basic unit dorsad, is formed with the face that is regular polygon between the adjacent concave vein, and the basic unit is the satin weave that elasticity yarn and wear-resisting yarn longitude and latitude were woven. The utility model discloses a concave line can be when the synthetic leather receives external effort, carries out crooked folding along the concave line that interlocks each other, improves the compliance of synthetic leather to the intraformational sandwich layer of leather adopts the yarn of polyester fiber and polypropylene fibre fiber material to weave, possesses good anti-deformation and tear resistance.

Description

High-strength PVC artificial leather

Technical Field

The utility model relates to an artificial leather, more specifically say, it relates to a high strength PVC synthetic leather.

Background

The PVC artificial leather is prepared by coating paste prepared by auxiliary agents such as PVC resin, plasticizer, stabilizer and the like on a fabric, or coating a layer of PVC film on the fabric, and then processing the PVC artificial leather through a certain process. The product has high strength, easy processing and low cost, and can be used as various bags, seat covers, linings, sundries and the like.

Because the PVC synthetic leather uses the fabric as the basement, at the fabric surface coating PVC material, form the artificial leather of imitative after solidifying, because the PVC material is when its solidification and low temperature condition, the compliance is relatively poor, when using as usage such as case and bag and sofa, car seat cover, feels relatively poor, influences people's use and experiences.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high strength PVC synthetic leather.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a high strength PVC synthetic leather, includes the leather layer and bonds in the basic unit of leather layer one side, the leather layer is formed with a plurality of crisscross concave patterns each other dorsad one side impressed watermark of basic unit, and is adjacent be formed with the face that is regular polygon between the concave pattern, the satin weave that the basic unit was woven for elasticity yarn and wear-resisting yarn longitude and latitude.

Through adopting above-mentioned technical scheme, the leather layer bonds on the surface of basic unit, and the leather layer makes the dimpled grain of crisscross each other and is located the face between the dimpled grain through the impressed watermark technology one side of basic unit dorsad, when realizing the synthetic leather use, through the dimpled grain that forms in advance, can be when the synthetic leather receives external effort, carry out crooked folding along the dimpled grain of crisscross each other, improve the compliance of synthetic leather, and the dimpled grain and the face that form can improve the stereovision on synthetic leather surface.

The utility model discloses further set up to: the leather layer comprises a core layer and a coating layer wrapped on the outer surface of the core layer, and the core layer is composed of plain weave formed by weaving warp yarns and weft yarns of two systems.

Through adopting above-mentioned technical scheme, the leather layer adopts the coating layer parcel sandwich layer, and the plain weave that warp and woof were woven is selected for use to the sandwich layer, has good compliance through the fabric, and coats on the basis of fabric, can reduce the quantity of the material of coating, and the fabric adopts the plain weave of two systems, has good anti deformability, and possesses good weaving density, can improve the resistant tear strength of synthetic leather.

The utility model discloses further set up to: the warp yarns comprise coarse warps and fine warps which are arranged alternately, the weft yarns comprise coarse wefts and fine wefts which are arranged alternately, the coarse warps and the coarse wefts are woven into a plain weave structure in a one-over one-lower mode, and the fine warps and the fine wefts are woven into a plain weave structure in a one-over one-lower mode.

By adopting the technical scheme, the warp yarns and the weft yarns are respectively selected from the thick warp yarns, the thin warp yarns, the thick weft yarns and the thin weft yarns, and are arranged in an alternate mode, so that the density of the fabric can be improved, the thick warp yarns, the thick weft yarns, the thin warp yarns and the thin weft yarns are respectively woven in an one-on-one mode, the strength and the density of the fabric can be further ensured by the warp-weft two-recombination weaving, and when the coating material is coated, the fastness between the fabric and the coating material is improved.

The utility model discloses further set up to: the thick warp and the thick weft are formed by twisting a plurality of strands of polyester fibers, the thin warp and the thin weft are formed by twisting a plurality of strands of polypropylene fibers, and the twisting direction of the polyester fibers and the twisting direction of the polypropylene fibers are arranged in a reverse direction.

By adopting the technical scheme, the polyester fiber material and the polypropylene fiber material are selected, and the reliability of the core layer can be improved because the polyester fiber and the polypropylene fiber have good hydrophobicity and tensile deformation resistance.

The utility model discloses further set up to: moisture-guiding yarns are interwoven on the base layer along the warp direction and the weft direction, and the moisture-guiding yarns are respectively interwoven with the elastic yarns and the wear-resistant yarns in sequence along the length direction of the moisture-guiding yarns.

Through adopting above-mentioned technical scheme, set up the wet yarn that leads that warp direction and latitudinal direction set up on the basic unit, can dredge the moisture on elasticity yarn and the wear-resisting yarn, realize that the synthetic leather is in production, transportation and deposit the in-process, and the basic unit possesses good rapid-curing cutback ability, improves the dampproofing mould proof ability of synthetic leather.

The utility model discloses further set up to: the elastic yarn comprises a yarn core and twisted yarn positioned outside the yarn core, the yarn core is formed by twisting a plurality of strands of Lycra fibers, the twisted yarn is formed by twisting a plurality of strands of high-tenacity fibers, the wear-resistant yarn is formed by twisting a plurality of strands of aramid fibers, and the moisture-conducting yarn is formed by twisting a plurality of strands of bamboo fibers.

Through adopting above-mentioned technical scheme, because aramid fiber has good wear resistance, can improve the abrasion resistance of basic unit, and then improve the life of synthetic leather, and bamboo fibre possesses good moisture absorption and releases wet ability, can help the basic unit to carry out the mediation of moisture, and lycra fiber material can improve the resilience performance of elasticity yarn, improves basic unit and synthetic leather along stretch and the resilience of extension of elasticity yarn length direction.

To sum up, the utility model discloses following beneficial effect has:

the leather layer bonds on the surface of basic unit, and the leather layer makes crisscross concave line each other and is located the face between the concave line through the impressed watermark technology one side of basic unit dorsad, when realizing that the synthetic leather uses, through the concave line that forms in advance, can be when the synthetic leather receives external effort, carries out crooked folding along crisscross concave line each other, improves the compliance of synthetic leather, and the concave line and the face that form can improve the stereovision on synthetic leather surface.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a structural diagram of the core layer of the present invention;

fig. 4 is a structural diagram of the base layer of the present invention.

In the figure: 1. a leather layer; 2. a base layer; 3. concave lines; 4. a face; 5. an elastic yarn; 6. abrasion resistant yarns; 7. a core layer; 8. a coating layer; 9. coarse warp; 10. fine warp; 11. coarse weft; 12. fine weft; 13. moisture-conductive yarn.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, a high-strength PVC artificial leather comprises a leather layer 1 and a base layer 2 adhered to one side of the leather layer 1, wherein one side of the leather layer 1, which is opposite to the base layer 2, is embossed to form a plurality of mutually staggered concave patterns 3, a face portion 4 in a regular polygon shape is formed between adjacent concave patterns 3, and the base layer 2 is a satin weave formed by weaving elastic yarns 5 and wear-resistant yarns 6 in a warp and weft manner, wherein the leather layer 1 comprises a core layer 7 and a coating layer 8 wrapping the outer surface of the core layer 7, the core layer 7 is composed of a plain weave formed by weaving two systems of warp yarns and weft yarns, in the embodiment, the core layer 7 is plain woven and sized by a warp and weft knitting machine, a paste made of additives such as PVC resin plasticizer and stabilizer is coated on the surface of the core layer 7, when the core layer is dried to a semi-solidified state, the concave patterns 3 and the face portion 4 are formed by embossing one side of the leather layer 1 through embossing, and the face portion 4 is in a diamond shape.

As shown in fig. 3, the warp yarn includes coarse warp yarns 9 and fine warp yarns 10 arranged alternately, the weft yarn includes coarse weft yarns 11 and fine weft yarns 12 arranged alternately, the coarse warp yarns 9 and the coarse weft yarns 11 are woven in a plain weave by weaving one over one under the other, and the fine warp yarns 10 and the fine weft yarns 12 are woven in a plain weave by weaving one over one under the other, wherein the coarse warp yarns 9 and the coarse weft yarns 11 are each formed by twisting a plurality of strands of polyester fibers, the fine warp yarns 10 and the fine weft yarns 12 are each formed by twisting a plurality of strands of polypropylene fibers, the twisting direction of the polyester fibers is opposite to that of the polypropylene fibers, specifically, in the embodiment, the coarse warp yarns 9 and the coarse weft yarns 11 are each formed by adding the polyester fibers in the S twisting direction through a twisting machine to form 140D polyester yarns, and the fine warp yarns 10 and the fine weft yarns 12 are twisted in the Z twisting direction through the twisting machine to form 100-mesh nylon yarns.

As shown in fig. 4, the base layer 2 is woven with an elastic yarn 5 and a wear-resistant yarn 6 by a warp-weft knitting machine in a satin weave structure with a structure of three upper and two lower parts, wherein moisture-conductive yarns 13 are interwoven on the base layer 2 along the warp direction and the weft direction, the moisture-conductive yarns 13 are respectively sequentially interwoven with the elastic yarns 5 and the wear-resistant yarns 6 along the length direction thereof, and two wear-resistant yarns 6 or elastic yarns 5 are arranged between two moisture-conductive yarns 13 positioned in the warp direction or the weft direction, wherein the elastic yarns 5 comprise a yarn core and twisted yarns positioned outside the yarn core, the yarn core is formed by twisting a plurality of strands of lycra fibers, the twisted yarns are formed by twisting a plurality of strands of polynosic fibers, the wear-resistant yarns 6 are formed by twisting a plurality of strands of aramid fibers, and the moisture-conductive yarns 13 are formed by twisting a plurality of strands of bamboo fibers.

Leather layer 1 bonds on basic unit 2's surface, and leather layer 1 makes crisscross intaglio 3 each other and be located facial 4 between the intaglio 3 through the embossing process to one side of basic unit 2 dorsad, can improve the stereovision on artificial leather surface, and realize through the intaglio 3 that forms in advance, can receive external effort at the artificial leather, buckle along crisscross intaglio 3 each other, improve the compliance of artificial leather, and the intaglio 3 and the facial 4 that form, and leather layer 1 adopts 8 parcel sandwich layers 7 of coating layer, and sandwich layer 7 chooses the plain weave that warp and woof were woven for use, have good compliance through the fabric, and coat on the basis of fabric, can reduce the quantity of coated material, through the fabric as sandwich layer 7, can increase, and the fabric adopts the plain weave of two systems, good anti-deformation ability has, and possess good weaving density, can improve the tear resistance of artificial leather.

The warp and the weft are respectively selected from the thick warp 9, the thin warp 10, the thick weft 11 and the thin weft 12, and are arranged in an alternate mode, so that the density of the fabric can be improved, the thick warp 9, the thick weft 11, the thin warp 10 and the thin weft 12 are respectively woven in an one-on-one-down mode, the strength and the density of the fabric can be further ensured by the combined warp-weft two-recombination weave, when the coating material is coated, the fastness between the fabric and the coating material is improved, and the thick warp 9, the thick weft 11, the thin warp 10 and the thin weft 12 are selected from polyester fiber materials and polypropylene fiber materials, and the reliability of the core layer 7 can be improved due to the fact that the polyester fiber and the polypropylene fiber have good hydrophobicity and tensile and anti-deformation strength.

Basic unit 2 adopts wet yarn 13 of leading, stretch yarn 5 and wear-resisting yarn 6 are woven, stretch yarn 5 adopts the cladding yarn of twisting yarn and the yarn core constitution of lycra fiber material made by rich strong fiber material, it has good tensile resilience to enable the PVC synthetic leather along 5 directions of stretch yarn, and choose the aramid fiber who has good wearability for use through wear-resisting yarn 6, can improve basic unit 2's abrasion strength, and then improve the life of synthetic leather, the moisture of leading on wet yarn 13 can be to stretch yarn 5 and wear-resisting yarn 6 of warp-wise and latitudinal direction setting is dredged, realize the synthetic leather in production, the transportation and deposit in-process, 2 possesses good rapid-curing cutback ability, improve the dampproofing mould proof ability of synthetic leather.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A high strength PVC synthetic leather which characterized in that: including leather layer (1) and bond in basic unit (2) of leather layer (1) one side, leather layer (1) is impressed watermark to one side of basic unit (2) dorsad and is formed with a plurality of crisscross concave patterns (3) each other, and is adjacent be formed with face (4) that are regular polygon between concave pattern (3), the satin weave that basic unit (2) were woven for elasticity yarn (5) and wear-resisting yarn (6) longitude and latitude.

2. The high-strength PVC artificial leather according to claim 1, wherein: the leather layer (1) comprises a core layer (7) and a coating layer (8) wrapped on the outer surface of the core layer (7), and the core layer (7) is composed of plain weave formed by weaving warp yarns and weft yarns of two systems.

3. The high-strength PVC artificial leather according to claim 2, wherein: the warp yarns comprise coarse warps (9) and fine warps (10) which are arranged at intervals, the weft yarns comprise coarse wefts (11) and fine wefts (12) which are arranged at intervals, the coarse warps (9) and the coarse wefts (11) are woven in a plain weave in a one-over-one-lower mode, and the fine warps (10) and the fine wefts (12) are woven in a one-over-one-lower mode to form a plain weave.

4. The high-strength PVC artificial leather according to claim 3, wherein: the thick warps (9) and the thick wefts (11) are formed by twisting a plurality of strands of polyester fibers, the thin warps (10) and the thin wefts (12) are formed by twisting a plurality of strands of polypropylene fibers, and the twisting direction of the polyester fibers is opposite to that of the polypropylene fibers.

5. The high-strength PVC artificial leather according to claim 1, wherein: moisture-guiding yarns (13) are interwoven on the base layer (2) along the warp direction and the weft direction, and the moisture-guiding yarns (13) are respectively interwoven with the elastic yarns (5) and the wear-resistant yarns (6) along the length direction of the yarns in sequence.

6. The high-strength PVC artificial leather according to claim 5, wherein: the elastic yarn (5) comprises a yarn core and twisted yarns positioned outside the yarn core, the yarn core is formed by twisting a plurality of strands of Lycra fibers, the twisted yarns are formed by twisting a plurality of strands of rich strong fibers, the wear-resistant yarns (6) are formed by twisting a plurality of strands of aramid fibers, and the moisture-conducting yarns (13) are formed by twisting a plurality of strands of bamboo fibers.