CN212400554U

CN212400554U - Anti-mildew PU synthetic leather

Info

Publication number: CN212400554U
Application number: CN201921936240.7U
Authority: CN
Inventors: 龙友
Original assignee: Yingde Jiangxin New Material Co ltd
Current assignee: Yingde Jiangxin New Material Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2021-01-26
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to the field of synthetic leather, in particular to an anti-mildew PU synthetic leather, which comprises a base layer, a bonding layer, a first anti-mildew layer, a PU resin layer, a wear-resistant layer and a second anti-mildew layer; the base layer is sequentially provided with a first base layer and a second base layer from bottom to top, and the upper surface of the second base layer is bonded with an adhesive layer; the adhesive layer is bonded with the first mildew-proof layer; antibacterial particles are arranged in the first mildew-proof layer, and the upper surface of the first mildew-proof layer is connected with a PU resin layer; the upper surface of the PU resin layer is connected with a wear-resistant layer; and a second mildew-proof layer is sprayed on the upper surface of the wear-resistant layer. According to the technical scheme, multiple base layer fabrics are combined, the hardness requirements are met, and the strength performance and the coating performance are improved; the first mildew-proof layer honeycomb structure is provided with the antibacterial particles, so that the mildew erosion is effectively inhibited, the thermoplasticity and the stiffness of the synthetic leather are improved, and the good wrinkle resistance is embodied; the wear-resistant layer improves the wear resistance of the synthetic leather; the second mildew-proof layer is beneficial to preventing bacteria from breeding and isolating oil stains and sweat stains.

Description

Anti-mildew PU synthetic leather

Technical Field

The utility model relates to a synthetic leather field especially relates to an anti-mildew PU synthetic leather.

Background

PU synthetic leather has been increasingly used and is increasingly accepted by the market because of its superiority in overall properties. The traditional PU synthetic leather adopts PU resin of an organic solvent as a PU resin layer and a base material for producing the synthetic leather.

The PU synthetic leather is widely used for decorating bags, clothes, vehicle interiors and furniture, and can generate residual outside stains and sweat stains and grease secreted outside human bodies in the using process. The synthetic leather is required to have certain antibacterial and mildewproof effects, especially in the warm and humid weather in the south, the mildewproof function is more important, and meanwhile, the wear resistance, the folding resistance, the hardness and the hand feeling of the synthetic leather are important factors influencing the product selection of consumers.

The anti-mildew synthetic leather is an important part of products which are frequently contacted by users, such as leather bags, seat backrest armrests, automobile interiors and the like.

The existing synthetic leather is generally commonly used by PVC leather and PU leather, but the conventional PVC leather and PU leather are not ideal in the aspects of mildew resistance, durability, folding resistance, environmental protection and the like, the advantages of the conventional PVC leather and the PU leather cannot be combined, and the defects of the conventional PVC leather and the PU leather cannot be avoided at the same time.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides an anti-mildew PU synthetic leather has characteristics such as being suitable for multiple trade, mould proof effect are showing and wear resistance height.

An anti-mildew PU synthetic leather comprises a base layer, an adhesive layer, a first anti-mildew layer, a PU resin layer, a wear-resistant layer and a second anti-mildew layer;

the base layer is sequentially provided with a first base layer and a second base layer from bottom to top, and the upper surface of the second base layer is bonded with a bonding layer; a first mildew-proof layer is bonded on the upper surface of the bonding layer; antibacterial particles are arranged in the first mildew-proof layer, the first mildew-proof layer is made of PVC resin, the PVC resin is of a honeycomb structure, and the antibacterial particles are arranged in the honeycomb structure; the upper surface of the first mildew-proof layer is connected with a PU resin layer, and the PU resin layer is a PU resin layer; the upper surface of the PU resin layer is connected with a wear-resistant layer, and the wear-resistant layer is a wear-resistant layer; and a second mildew-proof layer is sprayed on the upper surface of the wear-resistant layer.

Preferably, the first base layer is knitted fabric, the second base layer is knitted fabric, and the two layers of knitted fabric are woven by a machine.

Preferably, the first base layer is nylon cloth, the second base layer is warp-knitted cloth, and the nylon cloth and the warp-knitted cloth are bonded through environment-friendly glue or connected through sewing by needle threads.

Further, the adhesive is polyurethane adhesive.

Furthermore, the antibacterial particles are nano-silver antibacterial agent particles, and the particle size is 10nm-100 nm.

Furthermore, the wear-resistant layer is made of organosilicon combined with wear-resistant powder.

Further, the second mildew-proof layer is an antibacterial layer, and the antibacterial layer is made of nano composite photocatalyst sol.

Compared with the prior art, the beneficial effects of the utility model are as follows:

according to the technical scheme, the base layer adopts a double-layer design, various cloth materials can be combined, the requirements of synthetic leather with various hardness and hand feeling requirements are met, the strength performance and the coating performance are improved, the bonding layer is connected with the second base layer and the first mildew-proof layer, the mildew-proof layer is made of PVC resin (polyvinyl chloride) and is arranged into a honeycomb structure, antibacterial particles are arranged in the honeycomb structure, the corrosion of mildew is effectively inhibited, meanwhile, the thermoplastic property and the stiffness of the synthetic leather can be improved by the PVC resin material, good wrinkle resistance is realized, and the thickness is increased; the PU resin layer is PU resin, namely polyurethane, and is connected with a wear-resistant layer for protection, and the wear-resistant layer improves the wear resistance of the synthetic leather; the spraying of wearing layer top is equipped with the second and prevents mildew layer, is favorable to preventing that the bacterium from breeding, isolated greasy dirt sweat stain.

Drawings

FIG. 1 is a schematic structural view of the anti-mildew PU synthetic leather of the present invention;

reference numerals: 1-base course, 11-first base course, 12-second base course, 2-adhesive layer, 3-first mildew-proof layer, 4-PU resin layer, 5-wear layer, 6-second mildew-proof layer.

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.

Referring to fig. 1, the anti-mildew fabric comprises a base layer 1, wherein a first mildew-proof layer 3, a PU resin layer 4, a wear-resistant layer 5 and a second mildew-proof layer 6 are sequentially arranged on the base layer 1 from bottom to top; the base layer 1 is a first base layer 11 and a second base layer 12 which are sequentially arranged from bottom to top, and the second base layer 12 is adhered to the first mildew-proof layer 3 through an adhesive layer 2; the first mildew-proof layer 3 is made of PVC resin, the PVC resin is provided with air-permeable micropores, and the antibacterial particles 31 are filled in the air-permeable micropores.

In the embodiment of the utility model, the base layer 1 adopts double-layer design, can combine multiple cloth, deal with the synthetic leather requirement of each hardness hand feeling demand, improve the strength performance and cladding nature, and the adhesive linkage 2 has connected second base layer and first mould proof layer, mould proof layer is PVC resin namely polyvinyl chloride, is equipped with ventilative micropore, it is equipped with antibiotic granule to fill in the ventilative micropore, effectively inhibits the mould erosion, and PVC resin material can improve the thermoplasticity of synthetic leather simultaneously, and stiffness embodies good crease resistance, increases the thick sense; the PU resin layer 4 is PU resin, namely polyurethane, the PU resin layer 4 is connected with a wear-resistant layer 5 for protection, and the wear-resistant layer improves the wear resistance of the synthetic leather; the second mildew-proof layer 6 is sprayed on the upper side of the wear-resistant layer 5 and used for preventing bacteria from breeding and isolating oil stains and sweat stains.

Preferably, the first base layer is knitted fabric, the second base layer is knitted fabric, and the two layers of knitted fabric are woven by a machine; the combined leather bag is soft in hand feeling, emphasizes hand feeling and comfort, and is suitable for leather bags and the like.

Preferably, the first base layer is nylon cloth, the second base layer is warp-knitted cloth, and the nylon cloth and the warp-knitted cloth are bonded through environment-friendly glue or sewn and connected through needles and threads; the combination is suitable for seat armrests, leather parts of backrests and the like, and is biased to the direction of frequent friction, high use frequency and large area.

Referring to fig. 1, an anti-mildew PU synthetic leather, further, the bonding layer is a polyurethane adhesive; the polyurethane material is environment-friendly and reliable, and has good adhesion to the first mildew-proof layer connected to the upper surface of the polyurethane material.

Further, the antibacterial particles 31 are nano-silver antibacterial agent particles, and the particle size is 10nm-100 nm; the nano-silver antibacterial particles are an advanced in-vitro wear-resistant layer antibacterial technology at present, are applied to in-vitro scenes, are environment-friendly and harmless, and have remarkable antibacterial and deodorizing effects

Further, the wear-resistant layer 5 is made of organosilicon combined wear-resistant powder;

further, the second mildew-proof layer is an antibacterial layer, and the antibacterial layer is made of a nano composite photocatalyst solution; the light energy is utilized to decompose harmful substances on the surface into harmless gas, so that the surface is effectively kept clean and mildew-proof.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The anti-mildew PU synthetic leather is characterized by comprising a base layer (1), wherein a first anti-mildew layer (3), a PU resin layer (4), a wear-resistant layer (5) and a second anti-mildew layer (6) are sequentially arranged on the base layer (1) from bottom to top;

the base layer (1) is a first base layer (11) and a second base layer (12) which are sequentially arranged from bottom to top, and the second base layer (12) is bonded with the first mildew-proof layer (3) through a bonding layer (2); the first mildew-proof layer (3) is made of PVC resin, and the PVC resin is filled with air-permeable micropores and antibacterial particles (31).

2. An anti-mildew PU synthetic leather according to claim 1, wherein the first base layer (11) is a knitted fabric, the second base layer (12) is a knitted fabric, and the two knitted fabrics are woven by a machine.

3. The anti-mildew PU synthetic leather according to claim 1, wherein the first base layer (11) is nylon cloth, the second base layer (12) is warp-knitted cloth, and the nylon cloth and the warp-knitted cloth are bonded by environment-friendly glue or connected by sewing with needle thread.

4. An anti-mildew PU synthetic leather according to claim 1, wherein the adhesive layer (2) is a polyurethane adhesive.

5. An anti-mildew PU synthetic leather according to claim 1, wherein the antibacterial particles (31) are nano silver antibacterial agent particles, and the particle size is 10nm-100 nm.

6. The anti-mildew PU synthetic leather according to claim 1, wherein the wear-resistant layer (5) is made of organosilicon combined with wear-resistant powder.

7. An anti-mildew PU synthetic leather according to claim 1, wherein the second anti-mildew layer (6) is an antibacterial layer, and the antibacterial layer is made of nano composite photocatalyst sol and silicone oil.