High-grade non-ironing finishing method of deep black pure cotton fabric

Abstract

The invention belongs to the technical field of textile printing and dyeing and particularly relates to a high-grade noniron finishing method of deep dark pure cotton fabric, comprising the sequentialsteps of spread-sewing, singeing, desizing, scouring, mercerizing, cold pad-batch dyeing, high temperature soaping, liquid ammonia finishing, pre-softening, primary pre-shrinking, noniron treating, curing, water washing, tentering and softening, and secondary pre-shrinking, wherein curing temperature is 120-130 DEG C, curing reaction time is controlled to 5-6 min, and the noniron step employs padding AP resin noniron aid. The high-grade noniron finishing method of deep dark pure cotton fabric has the advantages that radial stretch of the fabric can be improved, noniron state is retained afternoniron curing, and noniron property of the fabric can be improved accordingly; the deep dark pure cotton fabric is imparted good softness, breathability and moisture absorption and good washing fastness, never fades in long-term standing, has good ironing firmness, is suitable for batch production, and reaches grade 3.8 and above under AATCC-125 standard in terms of noniron property.

Description

technical field [0001] The invention belongs to the technical field of textile printing and dyeing, and in particular relates to a high-grade non-ironing finishing method for dark black pure cotton fabrics. Background technique [0002] With the growing call of human beings to return to nature, people's demand for natural fiber clothing fabrics is gradually increasing. Cotton, as one of the representatives of natural fibers, has natural and comfortable properties, so it is more and more favored by people. However, pure cotton fabrics are easy to wrinkle, and the shrinkage after washing is not easy to control, so the anti-wrinkle finishing of pure cotton fabrics is particularly important. At present, almost all non-ironing finishing uses resin dipping, drying, and then drying at 140-150°C Baking under high temperature conditions, or moist cross-linking and padding resin stacking under normal temperature and strong acidic conditions to achieve a high-level non-ironing finishi...

AI Technical Summary

Problems solved by technology

However, pure cotton fabrics are easy to wrinkle, and the shrinkage after washing is not easy to control, so the anti-wrinkle finishing of pure cotton fabrics is particularly important. At present, almost all non-ironing finishing uses resin dipping, drying, and then drying at 140-150°C Baking under high temperature conditions, or moist cross-linking and padding resin stacking under normal temperature and strong acidic conditions to achieve a high-level non-ironing finishing effect, usually the latter has higher non-ironing properties than the former, currently in the industry All high non-iron fabrics, especially four-level non-iron fabrics, are finished by moisture crosslinking.

[0003] For black cotton fabrics, due to the limitations of the current structure of black dyes, it has been verified that almost all black dyes are not resistant to moisture cross-linking finishing. After moisture cross-linking finishing, black fabrics have the problem of turning red and yellow, and the degree of discoloration Reaching level 3 or above, there is a problem that the color is difficult to control for black fabric processing and cross-linking finishing. Therefore, conventional non-ironing finishing is currently the main method for black fabrics. The non-ironing property of fabrics under the AATCC-124 standard can only reach 3.2- At a level of 3.5, it is difficult to have a breakthrough in high non-ironing properties