Method for after-treating cotton knit vest by biological enzyme

Abstract

The invention discloses a method for post-finishing knitted cotton underwear with biological enzyme, comprising the following process steps of: burnished blank--> cutting-->sewing--> tailoring --> finishing by enzyme compound--> water washing--> drying--> burnishing-->finished product, where the enzyme compound comprises acidic fibrinase, pectinase and color retentor and the optimum process parameters of the procedure of finishing by enzyme compound: the concentration of the enzyme compound is 2%; the processing temperature is 50 deg.C; the solution pH value is 5.5; the processing time is 60 s; the bath ratio is 1 : 20; the concentration of the color retentor PVP is 1%. And the finished knitted underwear has advantages of fresh color, good handle, good damp absorptivity and high quality, etc. As compared with traditional processes, it largely shortens process route, raises production efficiency and reduces post-finishing production cost by 50%; and has no pollution.

Description

technical field [0001] The invention relates to a method for post-finishing cotton knitted underwear, in particular to a method for post-finishing cotton knitted underwear by using biological enzymes. Background technique [0002] With the increasing development of the market economy and the improvement of people's living standards, the public has put forward higher requirements for the quality of textiles. Pure cotton knitwear has more consumers because of its unique characteristics of moisture absorption, breathability, and warmth retention. It comes from nature and is biodegradable after use. Cotton fabric will still be an irreplaceable product no matter from the environment of human existence or from aspects such as personal comfort. However, due to the accompanying substances of the cotton fiber itself and the added impurities in the spinning and weaving process of the cotton fiber, the wearing performance of cotton knitwear is affected. In particular, the surface of...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above shortcomings, in the past, in the pretreatment process of cotton knitted fabrics, the traditional cotton fabric treatment usually used processes such as singeing, descaling, scouring, bleaching, hot alkali, mercerizing, etc., but the process route was long. , consumes a lot of energy and causes serious pollution; surface lotion can also be used to make it soft, but after treatment, the water absorption of underwear will be greatly reduced

[0004] The finishing process of the above series of fabrics can only be processed during the production of the fabrics, that is, the quality of knitted underwear depends entirely on the quality of the fabrics, which are guaranteed by the fabric manufacturers before making garments, not only the process route is long , consumes a lot of energy, pollutes seriously, and the quality of the fabric is also poor, which cannot meet the requirements of color retention and softness, and its feel, color and luster are very poor.