CN211808238U - Bending-resistant leather - Google Patents

Abstract

The utility model discloses a resistant tortuous leather, including fabric layer one, fibrous layer, fabric layer two, leather basic unit, anti-wrinkle layer and inoxidizing coating, the top bonding of fabric layer one has the fibrous layer, the fibrous layer is kept away from one side bonding of fabric layer one has fabric layer two, keeping away from of fabric layer two establish one side of fibrous layer and be provided with the leather basic unit, the leather basic unit is kept away from one side of fabric layer two is provided with anti-wrinkle layer, anti-wrinkle layer is kept away from one side of leather basic unit is provided with the inoxidizing coating. Has the advantages that: by adopting the composite human engineering design and by arranging the air holes, the air permeability of the leather is increased, the leather has low density, soft texture and better elasticity, the bending resistance of the leather is greatly increased, and the service life of the leather is prolonged.

Description

Bending-resistant leather

Technical Field

The utility model relates to an synthetic leather technical field particularly, relates to a resistant leather that meanders.

Background

The artificial leather is made up by using PVC and PU with different formulas and making them pass through the processes of foaming or film-covering treatment on the basis of textile fabric base or non-woven fabric base, and can be made up according to the requirements of different strength, colour, gloss and pattern, etc. it possesses the characteristics of various designs and colours, good water-proofing property, neat edge and width, high utilization rate and low cost, but its hand feeling and elasticity can not reach the effect of leather, and its longitudinal section can see fine air bubble holes, fabric base or surface layer film. The existing artificial leather has poor air permeability and is easy to wrinkle in the using process, creases are easy to remain on the surface of the leather if the artificial leather is stressed and bent, the leather is even damaged, the toughness of the existing leather is poor, and the using comfort is poor.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a resistant tortuous leather possesses the advantage that the gas permeability is good, resistant tortuous nature is strong, and then has solved the problem that traditional leather easily corrugates.

(II) technical scheme

For realizing the advantage that above-mentioned gas permeability is good, resistant zigzag nature is strong, the utility model discloses a specific technical scheme as follows:

the utility model provides a resistant tortuous leather, includes fabric layer one, fibrous layer, fabric layer two, leather basic unit, crease-resistant layer and inoxidizing coating, the top bonding of fabric layer one has the fibrous layer, the fibrous layer is kept away from one side bonding of fabric layer one has fabric layer two, keeping away from of fabric layer two one side of fibrous layer is established and is provided with the leather basic unit, the leather basic unit is kept away from one side of fabric layer two is provided with crease-resistant layer, crease-resistant layer is kept away from one side of leather basic unit is provided with the inoxidizing coating.

Furthermore, in order to increase the contact area of a joint surface of the tooth layer and increase the glue applying area, the bonding between the first fabric layer and the fiber layer and between the second fabric layer and the leather base layer is firmer, and the situation of glue failure caused by long-time use is avoided.

Furthermore, in order to achieve the effect similar to an embedded part and increase the acting force between the joint surfaces, so that the joint surfaces are firmer and the situation of glue failure is avoided, regular tetrahedral particles are arranged at the top ends of the teeth of the tooth layer, one top point of each regular tetrahedral particle is connected with the top point of the teeth in the tooth layer, and each regular tetrahedral particle is a polyethylene particle.

Furthermore, in order to match the valley bottom with the leather base layer, joint surfaces are bonded in a staggered mode, contact area and glue application amount are increased, and the valley bottom is formed among teeth of the tooth layer.

Further, in order to make the leather surface more beautiful and increase the air permeability, the protective layer is a wax protective layer, the surface of the protective layer is provided with embossments, and a plurality of air holes are uniformly formed between the embossments.

Furthermore, in order to make the air holes more accord with the ergonomic design and make the wearing more comfortable and breathable, the aperture of the air holes is 0.01-0.06 mm.

Furthermore, in order to enable the elastic resin net to increase the internal tension of the anti-wrinkle layer, and meanwhile, as the elastic resin net has elasticity, the elastic resin net is deformed when being kneaded, and is restored to the original shape when an external force is removed, so that the bending resistance of the anti-wrinkle layer is improved, the anti-wrinkle layer is a water-based polyurethane resin layer, and the elastic resin net is arranged in the middle of the anti-wrinkle layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a resistant tortuous leather possesses following beneficial effect:

(1) the utility model discloses a compound human engineering design through having seted up the bleeder vent, has increased the gas permeability of leather, and has density low, and the texture is soft, and has better elasticity, greatly increased the resistant zigzag nature of leather, increased the life of leather.

(2) The utility model discloses a leather base layer, leather base layer and tooth layer, through setting up state fabric layer one and fibrous layer and tooth layer and fabric layer two and cooperate with the tooth layer, thereby regular tetrahedron granule can go deep into the inside effect that has played similar built-in fitting of leather base layer when leather production, with the effort between the faying face that increases, tooth layer increases the area of contact of faying face simultaneously, the area of glueing has also been increased, and then make fabric layer one and fibrous layer and fabric layer two and leather base layer between the bonding more firm, the condition of having avoided long-time use to cause the rubberizing appears.

(3) Through setting up anti wrinkle layer to make the elastic resin net increase the internal tension on anti wrinkle layer, simultaneously because the elastic resin net has elasticity, receiving to rub and take place deformation, elastic resin net reconversion when the external force is removed, and then improved the resistant bending nature on anti wrinkle layer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a flex-resistant leather according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of embossing of a flex-resistant leather according to an embodiment of the present invention.

In the figure:

1. a first fabric layer; 2. a fibrous layer; 3. a second fabric layer; 4. a leather base layer; 5. an anti-wrinkle layer; 501. an elastic resin net; 6. a protective layer; 7. a tooth layer; 701. regular tetrahedral particles; 8. bottom of the grain; 9. embossing; 10. and (4) air holes.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a resistant tortuous leather is provided.

Now combine the attached drawings and the detailed description to explain the utility model further, as shown in fig. 1-3, according to the utility model discloses resistant tortuous leather of embodiment, including fabric layer 1, fibrous layer 2, fabric layer two 3, leather basic unit 4, crease-resistant layer 5 and inoxidizing coating 6, the top of fabric layer 1 is bonded with fibrous layer 2, fibrous layer 2 is kept away from one side of fabric layer 1 is bonded with fabric layer two 3, keeping away from of fabric layer two 3 one side of fibrous layer 2 is established and is provided with leather basic unit 4, leather basic unit 4 is kept away from one side of fabric layer two 3 is provided with crease-resistant layer 5, crease-resistant layer 5 is kept away from one side of leather basic unit 4 is provided with inoxidizing coating 6.

By means of the scheme, the leather has the advantages that the leather is made of composite human engineering design, the air permeability of the leather is increased by the aid of the air holes, the leather is low in density, soft in texture and good in elasticity, the bending resistance of the leather is greatly increased, and the service life of the leather is prolonged.

In one embodiment, tooth layers 7 are arranged between the first fabric layer 1 and the second fabric layer 2 and between the second fabric layer 3 and the leather base layer 4, and the tooth layers 7 are connected with the first fabric layer 1 and the second fabric layer 3 in a sewing manner, so that the tooth layers 7 increase the contact area of a bonding surface and the gluing area, and further the first fabric layer 1 and the second fabric layer 2 and the second fabric layer 3 are bonded with the leather base layer 4 more firmly, thereby avoiding the occurrence of glue failure caused by long-time use.

In one embodiment, regular tetrahedral particles 701 are disposed at the top ends of the teeth of the tooth layer 7, one vertex of each regular tetrahedral particle 701 is connected with a tooth vertex in the tooth layer 7, and the regular tetrahedral particles 701 are polyethylene particles, so that the regular tetrahedral particles 701 can penetrate into the leather base layer 4 to achieve an effect similar to an embedded part during leather production, so as to increase an acting force between bonding surfaces, make the bonding surfaces firmer, and avoid the occurrence of adhesive failure.

In one embodiment, valleys 8 are formed between teeth of the tooth layer 7, so that the valleys 8 are matched with the leather base layer 4, the bonding surfaces are bonded in a staggered manner, and the contact area and the glue application amount are increased.

In one embodiment, the protective layer is a wax protective layer, and the surface of the protective layer 6 is provided with embossments 9, and a plurality of air holes 10 are uniformly arranged between the embossments 9, so that the surface of the leather is more beautiful and the air permeability is increased.

In one embodiment, the diameter of the air hole 10 is 0.01-0.06mm, and the diameter of the human body pore is 0.02-0.05mm, so that the air hole 10 is more in accordance with the ergonomic design, and the wearing is more comfortable and breathable.

In one embodiment, the wrinkle-resistant layer 5 is a water-based polyurethane resin layer, and an elastic resin net 501 is disposed in the middle of the wrinkle-resistant layer 5, so that the internal tension of the wrinkle-resistant layer 5 is increased by the elastic resin net 501, and meanwhile, because the elastic resin net 501 has elasticity, the elastic resin net is deformed when being kneaded, and is restored when an external force is removed, so that the bending resistance of the wrinkle-resistant layer 5 is improved.

In conclusion, with the aid of the technical scheme of the utility model, through setting up states fabric layer 1 with fibrous layer 2 with tooth layer 7 reaches fabric layer two 3 with leather basic unit 4 with tooth layer 7 cooperatees, thereby when the leather production regular tetrahedron granule 701 can go deep into the inside effect that has played similar built-in fitting of leather basic unit 4 to increase the effort between the faying face, simultaneously tooth layer 7 increases the area of contact of faying face, has also increased the area of glueing, and then makes fabric layer 1 with fibrous layer 2 reaches fibrous layer two 3 with the bonding is more firm between the leather basic unit 4, has avoided long-time use to cause the condition of splitting to appear. Through setting up the crease-resistant layer 5, thereby make the elastic resin net 501 has increased the internal tension of crease-resistant layer 5, simultaneously because the elastic resin net 501 has elasticity, is being rubbed and takes place deformation, when the external force is removed the elastic resin net reconversion, and then improved the resistant buckling nature of crease-resistant layer 5. By adopting the composite human engineering design and by arranging the air holes, the air permeability of the leather is increased, the leather has low density, soft texture and better elasticity, the bending resistance of the leather is greatly increased, and the service life of the leather is prolonged.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a resistant tortuous leather, its characterized in that includes fabric layer (1), fibrous layer (2), fabric layer two (3), leather basic unit (4), anti-wrinkle layer (5) and inoxidizing coating (6), the top bonding of fabric layer (1) has fibrous layer (2), fibrous layer (2) are kept away from one side bonding of fabric layer (1) has fabric layer two (3), keeping away from of fabric layer two (3) one side of fibrous layer (2) is provided with leather basic unit (4), leather basic unit (4) are kept away from one side of fabric layer two (3) is provided with anti-wrinkle layer (5), anti-wrinkle layer (5) are kept away from one side of leather basic unit (4) is provided with inoxidizing coating (6).

2. The flexing-resistant leather as claimed in claim 1, wherein tooth layers (7) are arranged between the first fabric layer (1) and the fiber layer (2) and between the second fabric layer (3) and the leather base layer (4), and the tooth layers (7) are connected with the first fabric layer (1) and the second fabric layer (3) by sewing.

3. A flex-resistant leather according to claim 2, wherein the top of the teeth layer (7) are provided with regular tetrahedral particles (701), and one top of the regular tetrahedral particles (701) is connected with the top of the teeth in the teeth layer (7), and the regular tetrahedral particles (701) are polyethylene particles.

4. A flex-resistant leather according to claim 2, characterised in that the interdental spaces of the layer of teeth (7) constitute valleys (8).

5. The flexing-resistant leather as claimed in claim 1, wherein the protective layer () is a waxy protective layer, and the surface of the protective layer (6) is provided with embossments (9), and a plurality of air holes (10) are uniformly arranged between the embossments (9).

6. Flexing-resistant leather according to claim 5, characterised in that the pores of the holes (10) are 0.01-0.06 mm.

7. Flexing-resistant leather according to claim 1, characterised in that the anti-crease layer (5) is a layer of aqueous polyurethane resin and in that an elastic resin net (501) is arranged in the middle of the anti-crease layer (5).

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