Prepn of superfine fiber sofa leatherette

Abstract

The present invention belongs to the field of leather-making technology. By selecting superfine fiber non-woven fabric as base cloth, and through polishing, gigging, dyeing, softening, strippable paper molding and post tanning, the leather product is obtained. The strippable paper molding includes the surface layer spreading, the middle layer spreading, the adhered layer spreading, extruding to adhere the adhesive layer to the base cloth, stoving and stripping. The said process can make sofa leatherette with high resistance to acid, alkali, chemicals, light, wear and hydrolysis and high color fastness.

Description

(1) Technical field

[0001] The invention relates to a method for preparing imitation leather artificial leather, in particular to a method for preparing superfine fiber sofa leather. (2) Background technology

[0002] In the field of leather technology, there are natural leather and artificial synthetic leather. "Genuine leather" is a common word in the leather products market. It is a customary name for natural leather to distinguish synthetic leather; Genuine leather is, in fact, leather, which is primarily processed from mammalian hides. There are many kinds of leather, various varieties, different structures, different qualities, and the prices are quite different. Therefore, genuine leather is not only a general term for all natural leather, but also an ambiguous mark in the commodity market.

[0003] According to its type, natural leather mainly includes pig leather, cow leather, sheep leather, horse leather, donkey leather and kangaroo leather, and a small amount o...