Preparation method for half-vegetable tanning knurled soft leather

A technology of soft top leather and semi-vegetable tanning, which is applied in the field of preparation of semi-vegetable tanned embossed soft top leather, which can solve problems such as poor thickness, poor color uniformity, poor leather performance, and unnatural pattern, and achieve less defects in the finished leather , Increased leather yield and uniform thickness

Active Publication Date: 2014-05-21
XINGYE LEATHER TECH CO LTD
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The semi-vegetable tanned embossed soft leather produced by traditional production and processing methods has

Method used

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Examples

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Embodiment Construction

[0020] 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.

[0021] 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. The sources, trade names and, where necessary, listing of constituents of reagents used are indicated the first time they appear.

[0022] Embodiments of the invention are:

[0023] A method for preparing semi-vegetable tanned embossed soft leather, comprising the following process steps: performing conventional squeezing and stretching of wet blue leather → first shaving → rinsing → first retanning and dyeing → second shaving → rinsing → second retanning and dyeing → conventional squ...

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PUM

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Abstract

The invention relates to a preparation method for leather and provides a preparation method for half-vegetable tanning knurled soft leather which is high in finished leather area yield, uniform in thickness and high in leather production performance. The soft leather prepared by adopting the preparation method disclosed by the invention has natural lines; the loose surface rate is reduced, the using amount of grease is lowered, and the leather production cost can be effectively reduced; the finished leather area yield is increased, and the leather production economical benefit is improved. The preparation method comprises the following technical steps of (1) preparing blue wet leather; (2) treating the blue wet leather; (3) performing preliminary uniform cutting; (4) performing bleaching and preliminary retanning dyeing; (5) performing secondary cutting; (6) performing secondary retanning dyeing; (7) performing aftertreatment.

Description

technical field [0001] The invention relates to a method for preparing leather, in particular to a method for preparing semi-vegetable tanned embossed soft leather. Background technique [0002] Semi-vegetable tanned embossed soft top leather is a kind of grain leather. It is made of the first-class raw material leather with less disability, which is mainly tanned with chrome tanning agent and retanned with vegetable tanning agent. Top leather, the natural state of the leather surface is well preserved, and the coating is thin, which can show the beauty of natural patterns. The semi-vegetable tanned embossed suede leather produced by traditional production and processing methods has poor thickness and color uniformity, unnatural pattern, poor leather-making performance and low leather yield. Contents of the invention [0003] Therefore, aiming at the above contents, the present invention provides a method for preparing semi-vegetable tanned embossed soft top leather with...

Claims

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Application Information

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IPC IPC(8): C14C3/28C14C9/02C14C1/00C14C11/00C14B1/02C14B1/50C14B1/40C14B1/56D06P3/32
Inventor 吴华春蔡建设徐袖军吴义兴
Owner XINGYE LEATHER TECH CO LTD
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