Preparation method of double-sided leather

Abstract

The invention discloses a preparation method of double-sided leather. The preparation method comprises the following steps: uniformly stirring and filtering 5-10 parts of dimethylformamide and 0.5-2 parts of a color paste to obtain slurry; uniformly mixing and swelling 100-120 parts of dimethylformamide and 20-30 parts of wood flour, and then uniformly mixing with the slurry; adding 100 parts of polyurethane wet process resin to be uniformly mixed and defoamed; scraping the defoamed slurry on a glaze of suede, and then, solidifying, squeezing, water-washing and drying to obtain a wet base; uniformly mixing 100 parts of polyurethane dry process resin, 15-20 parts of dimethylformamide, 15-20 parts of butanone, 15-20 parts of methylbenzene, 0.5-1.0 parts of an assistant and 3-5 parts of a toner, scraping the mixed slurry on release paper, and then binding the wet base and separating from the release paper; uniformly mixing and filtering 100 parts of bonding glue, 20-30 parts of butanone, 10-14 parts of a bridging agent and 3-5 parts of an accelerant; and scraping the mixed and filtered slurry on the hair side of the suede, and binding a transfer membrane. According to the preparation method disclosed by the invention, the double-sided leather with a release paper pattern and a transfer membrane pattern is obtained.

Description

technical field [0001] The invention relates to a method for manufacturing artificial leather, in particular to a method for manufacturing double-sided leather. Background technique [0002] The traditional artificial leather is composed of a base fabric layer, a wet-laid bass layer and a dry-laid veneer layer. This kind of artificial leather has only one front side, and only the dry-laid veneer layer has a smooth front side, and patterns can be set on it. In the field, artificial leather needs to be used on both sides, such as wearing clothing on both sides. SUMMARY OF THE INVENTION [0003] In order to overcome the above-mentioned defects, the present invention provides a method for manufacturing double-sided leather, which has a simple process and produces a product with double-sided fronts with different effects and pattern characteristics. [0004] The technical scheme adopted by the present invention in order to solve the technical problem is: a method for making do...

AI Technical Summary

Problems solved by technology

[0002] The traditional artificial leather is composed of a base cloth layer, a wet-laid bass layer and a dry-laid veneer layer. This kind of artificial leather has only one front, and only the dry-laid veneer layer has a smooth front, and patterns can be set on it, and some of them are currently used The field requires double-sided use of artificial leather, such as double-sided clothing, etc. This kind of single-sided artificial leather is difficult to meet the needs of use