Middle and low temperature semi-pasted warp sizing method

Abstract

The invention discloses a middle low-temperature gelatinization warp sizing method. Using 70-90 wt% starch, 0-20 wt% cold water soluble starch, 5-25 wt% soluble synthetic polymer, 1-5 wt% polyacrylic acid, 1-5 wt% softening agent, 1-5 % antistatic agent, 0.1-0.5 wt% preservative, 0.1-0.5 wt% penetrant of all slurry and 5-8 times water of all slurry as raw material; Slowly agitating starch and water for 5-15min to initialize plasm, adding cold water soluble starch, soluble synthetic polymer, polyacrylic acid, softening agent, antistatic agent, preservative, penetrant and slowly agitating for 5-15min to perfect plasm, heating to 45-60DEG C, pH 6.5-7.5, viscosity 5-10 seconds under rapid agitation for half gelatinization of starch, sizing in room temperature -60DEG C, squeezing in 3-20KN, prebaking in 85-95DEG C, drying in 115-130DEG C. Using in warp sizing. The effect of energy and time saving is good.

Description

technical field [0001] The medium and low temperature semi-gelatinized warp yarn sizing method of the present invention relates to the field of textile technology; in particular, it relates to the technical field of preparing the yarn size before weaving and sizing the yarn; in particular, it relates to the medium and low temperature semi-gelatinized warp yarn sizing method technology field. Background technique [0002] No matter what method is used in the preparation of yarn size before weaving and the technology of yarn sizing, the raw materials used to make the size of yarn size are well known: they all include starch, cold water soluble The main size is composed of starch and water-soluble synthetic polymer, the auxiliary size is composed of polyacrylic acid, softener, antistatic agent, the sizing aid is composed of preservatives, penetrating agents, and water. [0003] At present, the methods of using the above-mentioned raw materials to make the sizing of the yarn si...

AI Technical Summary

Problems solved by technology

[0003] At present, the methods of using the above-mentioned raw materials to make the sizing of the yarn sizing and applying the prepared sizing to the yarn include: the traditional high-temperature gelatinization method; the date of application is 2005.3.11, the application number It is 200510018365.8, titled "a method for warp yarn sizing directly with starch emulsion", that is, a method without gelatinization; the above-mentioned known methods have certain deficiencies, defects and drawbacks, that is, the size of the yarn size The viscosity cannot be adjusted at the same temperature and the same concentration, and the warp yarn is too soft or too brittle due to the poor or too strong permeability of the yarn size

Therefore, with the extensive application of shuttleless looms, especially for air-jet looms and high-count, high-density, low-count, high-tightness fabric quality requirements, the requirements for warp yarn sizing are getting higher and higher, and the current sizing process is difficult. Coping, unable to adapt to the needs of rapid development of multiple varieties and high quality

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