CN218660873U

CN218660873U - Crease-resistant microfiber synthetic leather

Info

Publication number: CN218660873U
Application number: CN202222704211.6U
Authority: CN
Inventors: 黎学军; 黎敏
Original assignee: Shenzhen Zunshi Shoes Co ltd
Current assignee: Shenzhen Zunshi Shoes Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-21
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to the technical field of synthetic leather, in particular to crease-resistant microfiber synthetic leather, which comprises a synthetic leather body, wherein the synthetic leather body comprises a warp-knitted grating layer, a base cloth layer arranged below the warp-knitted grating layer, a waterproof breathable polyurethane layer arranged on the warp-knitted grating layer and a dry breathable PU (polyurethane) line layer arranged on the waterproof breathable polyurethane layer, and breathable micropores are arranged in the waterproof breathable polyurethane layer and the dry breathable PU line layer; in practical application, the waterproof breathable polyurethane layer and the dry-method breathable PU grain layer are both provided with breathable micropores, so that the breathable effect of the synthetic leather body is good; the strength of the synthetic leather body is improved through the warp knitting grid layer, so that the synthetic leather body is not easy to wrinkle after being worn for a long time; the utility model discloses ventilation effect is good, intensity is high, dress for a long time and be difficult for appearing the wrinkle phenomenon.

Description

Crease-resistant microfiber synthetic leather

Technical Field

The utility model relates to a synthetic leather technical field specifically is a fine synthetic leather is surpassed in crease-resistance.

Background

Synthetic leather is a plastic product which simulates the composition and structure of natural leather and can be used as a substitute material of the natural leather, and is generally prepared by taking impregnated non-woven fabric as a net layer and taking a microporous polyurethane layer as a grain surface layer, wherein the front surface and the back surface of the synthetic leather are very similar to leather, have certain air permeability, are closer to the natural leather than common artificial leather, and are widely applied to clothing, leather boots, leather bags and the like.

However, the existing microfiber synthetic leather has good wear resistance, but has poor air permeability and strength, and clothes or vamps made of the microfiber synthetic leather are easy to wrinkle during long-time wearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to foretell not enough, provide a fine synthetic leather is surpassed in crease-resistant super of crease-resistance that air permeability is good, intensity is high, long-time dressing is difficult for appearing wrinkle phenomenon.

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

the utility model provides a crease-resistant microfiber synthetic leather, includes the synthetic leather body, the synthetic leather body include the warp knitting grid layer, set up in base cloth layer under the warp knitting grid layer, set up in waterproof ventilative polyurethane layer on the warp knitting grid layer and set up in the ventilative PU line layer of dry process on the waterproof ventilative polyurethane layer, all be provided with ventilative micropore in waterproof ventilative polyurethane layer and the ventilative PU line layer of dry process.

Further, the warp knitting grating layer comprises two PU breathable bonding layers which are arranged oppositely, and a warp knitting grating which is bonded between the two PU breathable bonding layers, and breathable fine powder particles and breathable auxiliary agent particles are filled in the PU breathable bonding layers.

Furthermore, the warp-knitted grating is formed by vertically and horizontally bonding a plurality of transverse grating strips and a plurality of longitudinal grating strips in a staggered manner, grating holes are formed between the transverse grating strips and the longitudinal grating strips after the transverse grating strips and the longitudinal grating strips are vertically and horizontally bonded in a staggered manner, two transverse steel wires which are parallel to each other are arranged in each transverse grating strip, two longitudinal steel wires which are parallel to each other are arranged in each longitudinal grating strip, a recess is formed on each transverse grating strip just opposite to the longitudinal grating strips, and a corresponding recess is formed on each longitudinal grating strip just opposite to the transverse grating strips.

Furthermore, the base cloth layer is made of superfine fibers and has the thickness of 0.5-1.1mm.

Further, the thickness of the waterproof and breathable polyurethane layer is 0.2-0.25mm, and the thickness of the dry-method breathable PU grain layer is 0.1-0.2mm.

Furthermore, the pore diameter of the air-permeable micropores is 100nm-50 μm.

The utility model has the advantages that:

in practical application, the waterproof breathable polyurethane layer and the dry-method breathable PU grain layer are both provided with breathable micropores, so that the breathable effect of the synthetic leather body is good; the strength of the synthetic leather body is improved through the warp knitting grid layer, so that the synthetic leather body is not easy to wrinkle after being worn for a long time; the utility model discloses it is difficult for the wrinkle phenomenon to appear that ventilation effect is good, intensity is high, dress for a long time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a warp knitted grid according to the present invention;

reference numerals: a warp-knitted grating layer 1; a PU breathable bonding layer 11; a warp knitted grid 12; a transverse grid bar 121; a transverse steel wire 1211; a recess 1212; longitudinal grill bars 122; longitudinal steel wires 1221; a grid aperture 123; a base fabric layer 2; a waterproof breathable polyurethane layer 3; a dry-method breathable PU grain layer 4; and air-permeable micropores 5.

Detailed Description

As shown in fig. 1 and 2, an anti-wrinkle microfiber synthetic leather comprises a synthetic leather body, wherein the synthetic leather body comprises a warp-knitted grating layer 1, a base cloth layer 2 arranged below the warp-knitted grating layer 1, a waterproof breathable polyurethane layer 3 arranged on the warp-knitted grating layer 1, and a dry-method breathable PU texture layer 4 arranged on the waterproof breathable polyurethane layer 3, and breathable micropores 5 are arranged in the waterproof breathable polyurethane layer 3 and the dry-method breathable PU texture layer 4.

When in use, the waterproof breathable polyurethane layer 3 and the dry-method breathable PU grain layer 4 are both provided with the breathable micropores 5, so that the breathable effect of the synthetic leather body is good; the strength of the synthetic leather body is improved through the warp knitting grid layer 1, so that the synthetic leather body is not easy to wrinkle after being worn for a long time; the utility model discloses it is difficult for the wrinkle phenomenon to appear that ventilation effect is good, intensity is high, dress for a long time.

As shown in fig. 1 and 2, the warp-knitted grille layer 1 comprises two PU air-permeable bonding layers 11 which are oppositely arranged, and a warp-knitted grille 12 which is bonded between the two PU air-permeable bonding layers 11, wherein the PU air-permeable bonding layers 11 are filled with air-permeable fine powder particles and air-permeable auxiliary agent particles; in this embodiment, strengthen the intensity of synthetic leather body through warp knitting grid 12, prevent through two-layer PU ventilative tie layer 11 that warp knitting grid 12 from moving the line, improve the ventilative gas permeability that ties layer 11 of PU through ventilative fine powder granule and ventilative auxiliary agent granule.

As shown in fig. 1 and 2, the warp-knitted grille 12 is formed by vertically and horizontally bonding a plurality of transverse grille strips 121 and a plurality of longitudinal grille strips 122, after the transverse grille strips 121 and the longitudinal grille strips 122 are vertically and horizontally bonded, grille holes 123 are formed between the transverse grille strips 121 and the longitudinal grille strips 122, two mutually parallel transverse steel wires 1211 are arranged in each transverse grille strip 121, two mutually parallel longitudinal steel wires 1221 are arranged in each longitudinal grille strip 122, a recess 1212 is arranged on each transverse grille strip 121 opposite to the longitudinal grille strips 122, and a corresponding recess is arranged on each longitudinal grille strip 122 opposite to the transverse grille strips 121; in this embodiment, when the transverse grid bars 121 and the longitudinal grid bars 122 are bonded in a criss-cross manner, the recesses 1212 are bonded to the corresponding recesses, so that the transverse grid bars 121 and the longitudinal grid bars 122 can be clamped, and the strength of the warp-knitted grid 12 can be enhanced; the strength of the transverse grid bars 121 and the longitudinal grid bars 122 can be effectively improved through the transverse steel wires 1211 and the longitudinal steel wires 1221; and the air can be effectively ventilated through the grid holes 123.

As shown in fig. 1 and 2, the base fabric layer 2 is made of superfine fibers and has a thickness of 0.5-1.1mm; in the embodiment, the superfine fiber with the thickness of 0.5-1.1mm is arranged, so that the thickness is moderate, and the comfort level is better.

As shown in fig. 1 and 2, the thickness of the waterproof and breathable polyurethane layer 3 is 0.2-0.25mm, and the thickness of the dry breathable PU texture layer 4 is 0.1-0.2mm; in the embodiment, the dry-method breathable PU grain layer 4 with the thickness of 0.1-0.2mm and the waterproof breathable polyurethane layer 3 with the thickness of 0.2-0.25mm are arranged, so that the waterproof and breathable effects are good.

As shown in fig. 1 and 2, the pore diameter of the gas-permeable micropores 5 is 100nm to 50 μm; in the embodiment, when the ventilating micropores 5 with the aperture of 100nm-50 μm are arranged, the ventilating waterproof effect is good.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. The anti-wrinkle microfiber synthetic leather is characterized in that: including the synthetic leather body, the synthetic leather body include warp knitting grid layer (1), set up in base cloth layer (2) under warp knitting grid layer (1), set up in waterproof ventilative polyurethane layer (3) on warp knitting grid layer (1) and set up in the ventilative PU line layer of dry process (4) on waterproof ventilative polyurethane layer (3), all be provided with ventilative micropore (5) in waterproof ventilative polyurethane layer (3) and the ventilative PU line layer of dry process (4).

2. The anti-wrinkle microfiber synthetic leather according to claim 1, wherein: the warp knitting grating layer (1) comprises two PU breathable bonding layers (11) which are arranged oppositely, and a warp knitting grating (12) which is bonded between the two PU breathable bonding layers (11).

3. The anti-wrinkle microfiber synthetic leather according to claim 2, wherein: warp knitting grid (12) is formed by vertically and horizontally staggered bonding of a plurality of transverse grid bars (121) and a plurality of longitudinal grid bars (122), after the transverse grid bars (121) and the longitudinal grid bars (122) are vertically and horizontally staggered and bonded, grid holes (123) are formed between the transverse grid bars (121) and the longitudinal grid bars (122), two parallel transverse steel wires (1211) are arranged in each transverse grid bar (121), two parallel longitudinal steel wires (1221) are arranged in each longitudinal grid bar (122), a recess (1212) is formed just above each transverse grid bar (121) and just above each longitudinal grid bar (122), and a corresponding recess is formed just above each longitudinal grid bar (122) and just above each transverse grid bar (121).

4. The anti-wrinkle microfiber synthetic leather according to claim 1, wherein: the base cloth layer (2) is made of superfine fibers and has the thickness of 0.5-1.1mm.

5. The anti-wrinkle microfiber synthetic leather according to claim 1, wherein: the thickness of the waterproof and breathable polyurethane layer (3) is 0.2-0.25mm, and the thickness of the dry-method breathable PU grain layer (4) is 0.1-0.2mm.

6. The anti-wrinkle microfiber synthetic leather according to claim 1, wherein: the pore diameter of the air-permeable micropores (5) is 100nm-50 μm.