Preparation method of micro-fiber color-altered cow suede leather

Abstract

The invention relates to a preparation method of microfiber color-altered cow suede leather, and belongs to the technical field of microfiber leather preparation. According to the preparation method,a pre-solidification and main solidification combined step-type foaming technology is firstly adopted in the foaming stage of the bass, so as to prepare a bottom leather bass which has large inner layer pores and dense outer layer pores; half-dry pasting is carried out by adoption of plain-grain release paper so as to prepare a semi-finished product; colored yangba resins are coated on the semi-finished product on a processor for twice; the semi-finished product is placed in an oven for high-temperature foaming and then embellished on the processor; and finally, the semi-finished product undergoes vein rubbing in a vein rubbing machine to obtain the color-altered cow suede micro-fiber leather. The preparation method is simple; the steps are easy to operate; and through the control of the foaming step and the color of the slurry or the type of the foaming powder, color-altered microfiber cow suede leathers with different styles and colors can be prepared, thereby significantly improvingthe leather surface feeling and playing role of inverting smooth hair and altering color.

Description

technical field [0001] The invention belongs to the technical field of superfiber leather preparation, and in particular relates to a preparation method of superfiber reversed-color cowhide leather. Background technique [0002] At present, microfiber polyurethane synthetic leather is mainly used in footwear, bags, sofas, car interiors, ball games, etc. At present, the market share of domestic microfiber polyurethane synthetic leather is increasing, and people's awareness is also increasing The higher the price, the general microfiber polyurethane synthetic leather products can no longer meet the aesthetics of consumers, especially the velvet feel, touch, soft and comfortable feel of the leather surface, etc. are difficult to meet the needs of consumers in different regions and countries. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for preparing superfiber reverse-colored cow suede leather for the ab...

AI Technical Summary

Problems solved by technology

[0002] At present, microfiber polyurethane synthetic leather is mainly used in footwear, bags, sofas, car interiors, ball games, etc. At present, the market share of domestic microfiber polyurethane synthetic leather is increasing, and people's awareness is also increasing The higher the price, the general superfine fiber polyurethane synthetic leather products can no longer meet the aesthetics of consumers, especially the suede, touch, soft and comfortable feel of the leather surface are difficult to meet the needs of consumers in different regions and countries