Non-ironing post-finishing technique for cotton fabric

Abstract

The invention relates to weaving cotton fabric no ironing post collating technology. It includes the following steps: face fabric preparation; padding resin; framing drying; baking; pre-shrinking; winding. The face fabric preparation includes gray cloth seaming, singeing, de-sizing, alkali mercerization, dying, framing forming, liquid ammonia collating. The padding resin includes two times. The above technology can make the cotton fabric have good feeling, gas permeability, moisture absorption, and increase wrinkle resistance, greatly reduce formaldehyde residual, energy resource consumption, sewage discharge.

Description

technical field [0001] The invention relates to a fabric finishing process, in particular to a non-ironing finishing process of a woven cotton fabric. Background technique [0002] For a long time, pure cotton fabrics have been popular with consumers because of their good air permeability, strong hygroscopicity, soft touch and comfortable wearing. But the clothes of pure cotton fabric are easy to wrinkle, not crisp in wearing and washing, and the clothes that wrinkle-prone pure cotton fabric is made have influenced people's attractive in appearance. Apparently, the wrinkle-prone nature of pure cotton fabrics significantly affects the breadth of use of the fabric. [0003] There are two kinds of process routes for non-ironing finishing of pure cotton fabrics: one is the pre-baking method, that is, the fabric is open-width dipped with resin, and all processes such as open-width baking are completed by the printing and dyeing factory. This is a traditional process route. The ...

AI Technical Summary

Problems solved by technology

[0003] There are two kinds of process routes for non-ironing finishing of pure cotton fabrics: one is the pre-baking method, that is, the fabric is open-width dipped with resin, and all processes such as open-width baking are completed by the printing and dyeing factory. This is a traditional process route. The advantage is that it brings certain difficulties to garment processing, and it is difficult to give some folds and garment shapes to garments, so it is only suitable for finishing and processing of cloth; There are different ways to roll resin, and it can be divided into gray cloth padding and clothing impregnation.

[0005] 1. The strength and wear resistance of fabrics treated with non-ironing finishing process are reduced, and the clothes made of them are more easily damaged than those made of fabrics that have not been treated with non-ironing finishing process;

[0006] 2. High formaldehyde residues in fabrics treated by non-ironing finishing process

[0007] CN 1189617C discloses a "non-ironing finishing method for pure cotton fabric". The process includes fabric preparation, pre-softening, moisture cross-linking additives, storage reaction, washing, tentering, calendering, pre-shrinking, and inspection. The disadvantage of the process is that the process is long and must go through the washing step, which requires a lot of water and consumes a lot of water resources, and the discharge of sewage is not conducive to the protection of the environment.

And, the formaldehyde content of the pure cotton fabric that obtains through this non-ironing finishing method is higher, just reaches international environmental protection standard 75ppm