A kind of expanded silk floss sheet and preparation method thereof
A silk floss and silk technology, which is applied in degumming, animal fibers, bed sheets, etc., can solve the problems of non-green environmental protection, poor effect, etc., achieve good application prospects, be beneficial to purification and recycling, and improve the effect of wearability.
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[0033] A preparation method of expanded silk floss, comprising the steps of:
[0034] (1) Take tussah silk as raw material, after removing impurities and rinsing, add water to soak for at least 30 minutes, the liquor ratio is 15:1; then dehydrate and complete the cleaning; degumming the cleaned silk under high temperature and pressure to obtain a degummed silk fibroin fiber solution ; The pressure of high temperature and high pressure degumming is 0.2MPa, the temperature is 125 ℃, and the degumming time is 15 minutes; the mass concentration of degumming silk fibroin fiber solution is 75%;
[0035] (2) Add the mixed solution of turmeric extract, acetic acid and carboxymethyl cellulose into the degummed silk fiber solution, ultrasonically treat for 2 hours, then add polyurea formaldehyde and selenocystamine hydrochloride, and ultrasonically treat for 1 hour; Then dehydrate and dry to obtain processed silk; the mass ratio of degummed silk fiber, turmeric extract, acetic acid, car...
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