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A kind of manufacture method of superfine fiber synthetic leather

A manufacturing method and superfine fiber technology, applied in the field of synthetic leather, can solve the problems of unsightly appearance, no surface texture, and unenvironmental protection, and achieve the effects of strong toughness, excellent elastic recovery and high density

Active Publication Date: 2014-10-15
福建新隆上超纤有限公司
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AI Technical Summary

Problems solved by technology

During the impregnation process of non-woven fabrics, chemical agents such as dimethylformamide, leveling agent, penetrating agent, curing agent, and defoaming agent need to be added to the polyester or polyether polyurethane slurry. There are many types, which are not environmentally friendly, and the surface texture of the synthetic leather corresponding to the grain layer of natural leather is not as delicate as natural leather, which is not beautiful, and the toughness after bending is not as strong as that of natural leather.

Method used

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  • A kind of manufacture method of superfine fiber synthetic leather
  • A kind of manufacture method of superfine fiber synthetic leather

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Embodiment Construction

[0017] The implementation of the present invention will be described in detail below in conjunction with specific examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention.

[0018] Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art, and the reagents and products used are also commercially available. Various processes and methods not described in detail are conventional methods well known in the art, and the sources, trade names and necessary listing of components of the reagents used are indicated when they first appear.

[0019] Embodiments of the invention are:

[0020] refer to figure 2 , a kind of manufacture method of microfiber synthetic leather, comprises the following steps:

[0021] (1) Preparation of sea-island ultrafine composite fibers: mix polybutylene terephthalat...

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Abstract

The invention relates to the technical field of synthetic leather and provides a manufacturing method of superfine fiber synthetic leather. The synthetic leather manufactured by the manufacturing method is better in air permeability and water vapor permeability and high in toughness after being bent. The manufacturing method comprises the following steps of: preparation of composite fibers, preparation of a non-woven fabric, steeping of the ironed fabric, pulling-out decrement, sufficient dispersing of bunchy fibers, dyeing treatment, mechanical softening, processing of a wear surface, dry-method film transfer, embossing and laser hole-forming.

Description

technical field [0001] The invention relates to the technical field of synthetic leather, in particular to a method for manufacturing superfine fiber synthetic leather. Background technique [0002] Natural leather has a long history of development and has been favored by consumers for a long time. Natural leather is composed of collagen fibers composed of a variety of amino acids with complex chemical structures. Natural and beautiful concave-convex texture. Below it is a network layer of thick and strong fiber bundles (the diameter of the fiber bundle is 1-4um, and the diameter of the single fiber in the bundle is about 0.1um). The high-density structure makes natural leather have excellent air permeability, moisture permeability, and strong flexibility after bending. [0003] With the improvement of people's living standard and consumption ability, the demand for natural leather is also increasing significantly. The sharp increase in demand and higher and higher envi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06N3/14D04H1/4382
Inventor 张树仁孙卫东
Owner 福建新隆上超纤有限公司
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