Washable waterproof and color-fixing one-bath finishing process for cotton fabric

Abstract

The invention discloses a washable waterproof and color-fixing one-bath finishing process for cotton fabrics. The washable waterproof and color-fixing one-bath finishing process is a process for performing waterproof and color-fixing one-bath finishing on the cotton fabrics by using a washable fluoride-free waterproof agent and a washable formaldehyde-free color-fixing agent under certain conditions. According to the process disclosed by the invention, two traditional procedures of waterproof finishing and fixation finishing of the cotton fabric are combined into one procedure. Compared with a traditional process, the process has the advantages that after finishing, the waterproof effect, the color fixing effect and the washing resistance are good, the dyeing and finishing process can be shortened, the production efficiency is improved, the energy consumption is reduced, the water consumption is reduced, and the fabric is endowed with excellent waterproof effect, crease resistance and air permeability; meanwhile, the color fastness to washing, the color fastness to perspiration, the color fastness to water stain, the color fastness to boiling water soaking and the like of the cotton fabric are remarkably improved, and the finished fabric shadow has the advantages of pure colored light, no toxicity, no odor, no skin sensitization, environmental friendliness and the like.

Description

technical field [0001] The invention belongs to the technical field of dyeing and finishing processes, and particularly relates to a washing-resistant waterproof and color-fixing same-bath finishing process for cotton fabrics. Background technique [0002] Due to the good hygroscopicity, warmth retention, softness, safety, and easy biodegradability of cotton fabrics, cotton fabrics have become the preferred raw materials for the textile and apparel industry, such as infant clothing, underwear, surgical gowns, medical protective clothing, etc. . [0003] Surgical gowns and medical protective clothing need to have an important protective effect during clinical use. Traditional cotton surgical gowns have poor barrier properties and are easily penetrated by blood, urine, irrigation fluid and the sweat of medical staff. Carry out waterproof treatment to improve the protective performance; at present, most of the cotton fabrics that have been waterproofed on the market are not wa...

AI Technical Summary

Problems solved by technology

[0003] Surgical gowns and medical protective clothing need to have an important protective effect during clinical use. Traditional cotton surgical gowns have poor barrier properties and are easily soaked by blood, urine, flushing fluid, and sweat from medical staff. Cotton fabrics need to be Carry out waterproof treatment to improve the protective performance; most of the cotton fabrics that have been waterproofed in the market are not washable, and the barrier performance of surgical gowns and medical protective clothing will drop sharply after several times of washing or disinfection.

Another problem is that colored surgical gowns and medical protective clothing have poor color fastness, such as common blue and purple surgical gowns and medical protective clothing. The reason for the poor color fastness is that the dyes commonly used in cotton fabrics used in surgical gowns or protective clothing are reactive dyes. Although the reactive dyes are covalently bonded to cotton fibers, the reactive dyes are easy to hydrolyze. Resulting in poor color fastness to soaping, wet rubbing and perspiration of dyed fabrics

[0004] Cotton fabrics used in surgical gowns and medical protective clothing are processed in most printing and dyeing factories: cotton fabric scouring and bleaching → washing → dyeing → washing → soaping → washing → color fixing treatment → washing → soft finishing → waterproof finishing, etc. It can be seen that the processing process is time-consuming, the operation process is cumbersome, the efficiency is low, and the wet processing time is long, and there are also disadvantages such as poor air permeability and waterproof effect that are not washable. Therefore, in order to improve the production efficiency of surgical gowns and medical protective clothing, solve the actual Due to the above problems, it is imminent to develop a cotton fabric with excellent washability, waterproof effect, high fastness, and good air permeability.

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