Preparation and application of composite sizing agent for high-count cotton yarn sizing and desizing method
A technology of composite pulp and pure cotton, which is used in the processing of textile material equipment configuration, dry cleaning fiber products, and textile material processing. small effect
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Embodiment 1
[0033] A preparation method for a composite size used for sizing high-count pure cotton yarns, comprising the following steps:
[0034] (1) Add the dried beer grains into water, the bath ratio is 1:5, wash 4 times, filter with a 50-mesh sieve, and filter out the remaining soluble sugar in the beer grains, which is beneficial to the improvement of the serous film performance;
[0035] (2) place the brewer's grains after desugaring outside, and carry out natural drying;
[0036] (3) Adopting a universal pulverizer to pulverize the dried distiller's grains into 50 mesh powders;
[0037] (4) Sodium hydroxide solution is used to extract the protein soluble matter in the pulverized beer dried distiller's grains powder, the ratio of sugar-removed beer dried distiller's grains to water is 1:6, the alkali concentration is 1%, and the heating temperature is 50°C. The heating time is 30min;
[0038] (5) Adopt high-speed centrifuge to carry out solid-liquid separation to the prepared br...
Embodiment 2
[0051] A method for preparing composite size for high-count pure cotton yarn sizing, comprising the following steps:
[0052] (1) Add the dried beer grains into water with a liquor ratio of 1:30, wash once, filter with a 100-mesh sieve, and filter out the remaining soluble sugar in the beer grains, which is beneficial to the improvement of the serous film performance;
[0053] (2) put the brewer's grains after desugaring into a blast oven for drying, and the temperature can be 50°C;
[0054] (3) Adopting a universal pulverizer to pulverize the dried distiller's grains into 50 mesh powders;
[0055] (4) Alkaline solution is used to extract the protein soluble substances in the pulverized beer dried distiller's grains powder, the ratio of sugar-free beer dried distiller's grains to water is 1:10, the alkali concentration is 1.5%, the heating temperature is 90°C, and the heating time is 60min;
[0056] (5) Adopt high-speed centrifuge to carry out solid-liquid separation to the pr...
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