Konjac glucomannan fiber wet tissue and method for preparing same
A technology of konjac glucomannan and glucomannan ester, which is applied to cardboard articles and other directions, can solve the problem of not fundamentally solving the problem of safe use of disinfecting paper towels, and achieve excellent water retention, environmental protection, and liquid retention. high effect
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[0029] Embodiment 1: A kind of preparation method of konjac glucomannan fiber wet tissue
[0030] A preparation method of konjac glucomannan fiber wet tissue, comprising the following steps:
[0031] (1) Preparation of konjac glucomannan acrylate: Take hot water and keep it at 45-50°C, add konjac glucomannan, acrylic acid and concentrated sulfuric acid with a volume concentration of 98% while stirring, and the reaction time is 4 hours; then, Rotate at a speed of 500r / min and evaporate and concentrate the reaction solution until the water content is 0.5%. Add ethanol with a volume concentration of 60% for precipitation. The precipitate is washed 3 times with ethanol with a volume concentration of 95%, filtered and The precipitate was air-dried at room temperature and crushed to obtain substance A, which was set aside; the mass ratio of acrylic acid and konjac glucomannan to water was 1:150, and the mass ratio of acrylic acid to konjac glucomannan was 3.5:1. Concentrated sulfur...
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