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A kind of preparation method of water-based coated sofa leather

A technology of water-based coating and production method, which is applied in the field of sofa leather, and can solve problems such as too simple steps and poor use effect

Active Publication Date: 2021-04-23
海宁家值家私有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the processing technology disclosed in this patent can improve the softness of finished leather, the steps of this processing technology are too simple to make it have better abrasion resistance, and the use effect is poor. Therefore, a water-based coating is designed The method of making sofa leather is very necessary

Method used

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  • A kind of preparation method of water-based coated sofa leather
  • A kind of preparation method of water-based coated sofa leather
  • A kind of preparation method of water-based coated sofa leather

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Embodiment Construction

[0038] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0039] Such as figure 1 Shown, the preparation method of this aqueous coating sofa leather comprises the steps:

[0040] a. Outsourcing: purchase existing cow leather on the market and clean its surface;

[0041] B, batching: by weight, take the raw material of making primer: 50-60 parts of water-based polyurethane resin, 6-10 parts of pigment paste, 4-5 parts of matting agent, 2.5-3.5 parts of softening agent and 20-25 parts of deionized water; Weigh the raw materials for making the middle coating: 25-35 parts of water-based polyurethane resin, 4-7 parts of pigment paste, 1-3 parts of matting agent, 1.3-1.8 parts of softening agent and 30-40 parts of deionized water; Weigh the raw materials for making the surface coatin...

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Abstract

The invention provides a method for making water-based coated sofa leather. It solves the technical problems that the steps of the existing processing technology are too simple, it is impossible to make it have good abrasion resistance, and the use effect is poor. The manufacturing method of the water-based coated sofa leather comprises the following steps: a, outsourcing; b, ingredients; c, making the bottom layer; d, making the middle layer; e, making the surface layer; f, embossing. The invention has the advantage of good use effect.

Description

technical field [0001] The invention belongs to the technical field of sofa leather and relates to a preparation method of water-based coated sofa leather. Background technique [0002] Leather is denatured and non-perishable animal skin obtained through physical and chemical processing such as depilation and tanning. When there is no surface coating on animal skin, there are many problems, such as rough pores, uneven leather surface, and scars. If it becomes a valuable leather, it must be beautified with various techniques, and painted with pigment paste, dyes, and film-forming agents. Finishing is a very important process in leather production, which can significantly increase the cost. The quality and grade of leather, increasing the variety and commercial value of leather are the last lifeline in leather production. [0003] After searching, for example, Chinese patent literature discloses a processing technology of cowhide leather [application number: 201710905037.2; p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C14C11/00C14B1/56B01F7/16B01F13/10B01F15/00B01F15/02C09D175/04C09D5/16
CPCC09D175/04C14B1/56C14C11/00C14C11/003C09D5/1662B01F27/11B01F27/171B01F27/192B01F27/80B01F33/80B01F33/83B01F35/30B01F35/71
Inventor 宓林飞
Owner 海宁家值家私有限公司
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