Sericin post-finishing method for cotton fabrics
A cotton fabric and finishing technology, applied in fiber treatment, plant fiber, textiles and papermaking, etc., can solve the problems of poor washability of cotton fabrics and cannot be used normally, and achieve soft hand feel, good application prospects, thermal insulation performance and permeability. Wetness-enhancing effect
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[0024] A sericin post-finishing method for cotton fabrics, comprising the steps of:
[0025] (a) Configure impregnating solution: by mass, dissolve 5% of soluble sericin powder in hot water, then add 2% of chitosan quaternary ammonium salt, stir and dissolve fully, then add 5% of sericin powder joint agent;
[0026] The average molecular weight of the easily soluble sericin powder is 25000D; the temperature of the hot water is 90°C; the crosslinking agent includes a dispersant sodium polyacrylate and a silane coupling agent, and the mass ratio of the two is 3.0:4; The silane coupling agent is selected from vinylsilane, aminosilane, methacryloxysilane, mercaptosilane or ureidosilane;
[0027] (b) Completely immerse the cotton fabric in the above-mentioned finishing impregnation solution, the bath ratio of the solution is 1:40, immerse for at least 20 minutes, double dipping and two rolling, the liquid rolling rate is greater than 80%, and dry to obtain the cotton fabric.
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