CN212266861U

CN212266861U - Hydrolysis-resistant polyurethane shoe leather

Info

Publication number: CN212266861U
Application number: CN202020640766.7U
Authority: CN
Inventors: 丁彬彬
Original assignee: Fujian Hongda Leather Industry Co ltd
Current assignee: Fujian Hongda Leather Industry Co ltd
Priority date: 2020-04-25
Filing date: 2020-04-25
Publication date: 2021-01-01
Anticipated expiration: 2030-04-25

Abstract

The utility model belongs to the technical field of the shoe leather technique and specifically relates to a hydrolysis-resistant polyurethane shoe leather, including the basic unit, the basic unit lower surface is stained with soft layer, and the basic unit upper surface is stained with antibiotic layer, and antibiotic layer upper surface is stained with sweat-absorbing layer, and sweat-absorbing layer upper surface is stained with first silica silicon layer, and first silica silicon layer upper surface graft has the polyurethane layer, and polyurethane layer upper surface graft has second silica silicon layer, and a plurality of bleeder vent has been seted up to polyurethane layer upper surface, and polyurethane layer upper surface is stained with waterproof ventilated membrane, and waterproof ventilated membrane upper surface scribbles pigment coating, the utility model discloses, be difficult to lacerate, life is longer.

Description

Hydrolysis-resistant polyurethane shoe leather

Technical Field

The utility model relates to a shoe leather technical field especially relates to a hydrolysis-resistant polyurethane shoe leather.

Background

The shoe upper leather is a raw material for manufacturing shoes, the raw material of the shoe upper leather is many on the surface of the shoes, the shoe upper leather comprises genuine leather shoe upper leather, PU shoe upper leather, PVC shoe upper leather and the like, and the current Chinese shoe industry already shows an industrial cluster type development state. When the shoe is worn on the foot to walk, the shoe leather is easily scratched by some thin branches or sharp objects, the wear-resisting effect is not good, and the service life of the shoe leather is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of easy scratching and short service life in the prior art and providing a hydrolysis-resistant polyurethane shoe leather.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hydrolysis-resistant polyurethane leather shoes, includes the basic unit, the basic unit lower surface is stained with soft layer, the basic unit upper surface is stained with antibiotic layer, antibiotic layer upper surface is stained with sweat-absorbing layer, sweat-absorbing layer upper surface is stained with first silica silicon layer, first silica silicon layer upper surface graft has the polyurethane layer, polyurethane layer upper surface graft has second silica silicon layer, a plurality of bleeder vent has been seted up to polyurethane layer upper surface, polyurethane layer upper surface is stained with waterproof ventilated membrane, waterproof ventilated membrane upper surface is scribbled there is pigment coating.

Preferably, the soft layer comprises a napped cloth layer, the lower surface of the base layer is adhered with the napped cloth layer, and the lower surface of the napped cloth layer is adhered with the cotton wool-like layer.

Preferably, the antibacterial layer comprises a bamboo fiber inner lining layer, the bamboo fiber inner lining layer is adhered to the upper surface of the base layer, and the silver ion fiber inner lining layer is adhered to the upper surface of the bamboo fiber inner lining layer.

Preferably, a plurality of bumps are integrally formed on the lower surface of the polyurethane layer.

Preferably, a plurality of grooves are formed in the upper surface of the sweat absorbing layer.

The utility model provides a hydrolysis-resistant polyurethane shoe leather, beneficial effect lies in: the polyurethane layer is formed by polyaddition of organic diisocyanate or polyisocyanate and dihydroxy or polyhydroxy compound, and as a shoe leather material, the polyurethane layer has the characteristics of super wear resistance and difficulty in scratching, so that the service life of the shoe leather is longer, but the high-temperature hydrolysis resistance of the polyurethane layer is poor, so that a first silicon-oxygen-silicon-layer hydrolysis-resistant film layer and a second silicon-oxygen-silicon-layer hydrolysis-resistant film layer are respectively grafted on the upper surface and the lower surface of the polyurethane layer, and the high-temperature hydrolysis resistance of the polyurethane layer can be improved.

Drawings

FIG. 1 is a schematic structural view of a hydrolysis-resistant polyurethane shoe leather provided by the present invention;

FIG. 2 is a schematic diagram of a side view structure of a hydrolysis-resistant polyurethane shoe leather provided by the present invention;

FIG. 3 is a schematic structural view of a sweat absorbing layer of a hydrolysis-resistant polyurethane shoe leather provided by the present invention;

FIG. 4 is a schematic structural view of a soft layer of a hydrolysis-resistant polyurethane shoe leather provided by the present invention;

fig. 5 is a schematic structural diagram of an antibacterial layer of the hydrolysis-resistant polyurethane shoe leather provided by the utility model.

In the figure: the base layer 1, the soft layer 2, the napping cloth layer 3, the cotton-like velvet layer 4, the antibacterial layer 5, the bamboo fiber inner layer 6, the silver ion fiber inner layer 7, the sweat absorbing layer 8, the groove 9, the first silica silicon layer 10, the bump 11, the polyurethane layer 12, the second silica silicon layer 13, the air vent 14, the waterproof breathable film 15 and the pigment coating 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-5, a hydrolysis-resistant polyurethane shoe leather, including base 1, base 1 is the most basic common upper leather base of shoe leather, so not described in detail, base 1 lower surface is glued with soft layer 2, soft layer 2 includes napped cloth layer 3, base 1 lower surface is glued with napped cloth layer 3, napped cloth layer 3 lower surface is glued with imitative cotton velvet layer 4, napped cloth layer 3 is the arrangement process of picking up the fibre on fabric top layer with intensive steel needle and forming a fine hair, can make the compliance of shoe leather better, imitative cotton velvet layer 4 is the compliance material, can increase the soft characteristic of shoe leather, and have certain moisture absorption and gas permeability.

The antibacterial layer 5 is adhered to the upper surface of the base layer 1, the antibacterial layer 5 comprises a bamboo fiber inner lining 6, the bamboo fiber inner lining 6 is adhered to the upper surface of the base layer 1, a silver ion fiber inner lining 7 is adhered to the upper surface of the bamboo fiber inner lining 6, a sweat absorbing layer 8 is adhered to the upper surface of the antibacterial layer 5, the bamboo fiber inner lining 6 can be a bamboo fiber inner lining, the bamboo fiber inner lining 6 is a fiber fabric cellulose fiber fabric which takes bamboo as a raw material, and has good natural antibacterial effect and environmental protection, the silver ion fiber inner lining 7 has very high biological activity, which means that silver ions are very easy to combine with other substances, so that proteins inside and outside a bacterial cell membrane are solidified, thereby the breathing and breeding processes of the bacterial cell are blocked, the antibacterial function is achieved, the mildew-proof and deodorization functions are achieved, the sweat absorbing layer 8 can be a nano sponge layer, the nano sponge layer is a special open-pore structure foam body developed by adopting a novel nano technology, each small particle is smaller than one ten-thousandth of hair, is tasteless, nontoxic and environment-friendly, can play a role in absorbing sweat, and can ensure the comfort level of shoe leather.

The upper surface of the sweat absorbing layer 8 is adhered with a first silica silicon layer 10, the upper surface of the first silica silicon layer 10 is grafted with a polyurethane layer 12, the upper surface of the polyurethane layer 12 is grafted with a second silica silicon layer 13, the upper surface of the polyurethane layer 12 is provided with a plurality of air holes 14, the upper surface of the polyurethane layer 12 is adhered with a waterproof air-permeable film 15, the upper surface of the waterproof air-permeable film 15 is coated with a pigment coating 16, the polyurethane layer 12 is formed by polyaddition of organic diisocyanate or polyisocyanate and dihydroxy or polyhydroxy compound, and the polyurethane layer is used as a shoe leather material and has the characteristics of super wear resistance and difficult scratching, so that the service life of the shoe leather is longer, but the high-temperature hydrolysis resistance of the, therefore, the hydrolysis-resistant film layers of the first silicon-oxygen silicon layer 10 and the second silicon-oxygen silicon layer 13 are respectively grafted on the upper surface and the lower surface of the polyurethane layer, so that the high-temperature hydrolysis resistance of the polyurethane layer 12 can be improved.

Example 2

Referring to fig. 3, as another preferred embodiment of the present invention, the only difference from embodiment 1 is that a plurality of bumps 11 are integrally formed on the lower surface of the polyurethane layer 12, a plurality of grooves 9 are formed on the upper surface of the sweat absorbing layer 8, the number of the bumps 11 is the same as that of the grooves 9, the bumps 11 are matched with the grooves 9, and each bump 11 corresponds to one bump 11, so that when the polyurethane layer 12 is bonded with the sweat absorbing layer 8, the bumps 11 are located in the grooves 9, and the bonding is firmer.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hydrolysis-resistant polyurethane shoe leather, includes basic unit (1), its characterized in that, basic unit (1) lower surface is stained with soft layer (2), basic unit (1) upper surface is stained with antibiotic layer (5), antibiotic layer (5) upper surface is stained with sweat-absorbing layer (8), sweat-absorbing layer (8) upper surface is stained with first silica layer (10), first silica layer (10) upper surface graft has polyurethane layer (12), polyurethane layer (12) upper surface graft has second silica layer (13), a plurality of bleeder vent (14) have been seted up to polyurethane layer (12) upper surface, polyurethane layer (12) upper surface is stained with waterproof ventilated membrane (15), waterproof ventilated membrane (15) upper surface is painted pigment coating (16).

2. The hydrolysis-resistant polyurethane shoe leather according to claim 1, wherein the soft layer (2) comprises a napped fabric layer (3), the napped fabric layer (3) is adhered to the lower surface of the base layer (1), and the cotton-like velvet layer (4) is adhered to the lower surface of the napped fabric layer (3).

3. The hydrolysis-resistant polyurethane shoe leather according to claim 1, wherein the antibacterial layer (5) comprises a bamboo fiber inner lining (6), the bamboo fiber inner lining (6) is adhered to the upper surface of the base layer (1), and the silver ion fiber inner lining (7) is adhered to the upper surface of the bamboo fiber inner lining (6).

4. The hydrolysis-resistant polyurethane shoe leather according to claim 1, wherein a plurality of bumps (11) are integrally formed on the lower surface of the polyurethane layer (12).

5. The hydrolysis-resistant polyurethane shoe leather as claimed in claim 1, wherein the sweat-absorbing layer (8) is provided with a plurality of grooves (9) on the upper surface thereof.