Environment-friendly and degradable cleaning sponge and preparation technology thereof
A preparation process and technology of sponge, applied in the field of environmentally friendly degradable cleaning sponge and preparation thereof, can solve the problem of high cost and achieve the effects of fast water absorption, no environmental pollution and good hydrophilicity
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Embodiment 1
[0025] Counting by weight, weigh 100 parts of konjac flour, 50 parts of ethanol solvent with an ethanol concentration of 40%, 2 parts of sodium hydroxide, 6 parts of 4,4'-oxobisbenzenesulfonyl hydrazide, 1-butyl chloride - 200 parts of 3-methylimidazole, 10 parts of sodium thiocyanate; dissolve the weighed konjac powder in an ethanol solvent with an ethanol concentration of 40%, stir at 25°C for 30min, add sodium hydroxide, and dissolve it at 50°C React at a constant temperature for 10 hours, terminate the reaction, filter out the sample, wash it several times with an ethanol solvent with an ethanol concentration of 30%, and then put it in a drying oven and dry it at 100°C to a constant weight to obtain a fiber powder; 4,4'-Oxobisbenzenesulfonyl hydrazide and 1-butyl-3-methylimidazole chloride were mixed and heated to 90°C for 30 minutes, then added the obtained fiber powder, continued to stir for 2 hours, and added sodium thiocyanate after stirring, Continue to stir and mix f...
Embodiment 2
[0028] Counting by weight, weigh 90-100 parts of konjac flour, 60 parts of ethanol solvent with an ethanol concentration of 40%, 3 parts of sodium hydroxide, 10 parts of 4,4'-oxobisbenzenesulfonyl hydrazide, 1-chlorinated 200 parts of butyl-3-methylimidazole, 15 parts of sodium thiocyanate; the konjac powder weighed was dissolved in an ethanol solvent with an ethanol concentration of 40%, stirred at 25°C for 30min, added sodium hydroxide, and dissolved at 50 Temperature reaction at 100°C for 10 hours, the reaction was terminated, the sample was filtered out, washed several times with ethanol solvent with an ethanol concentration of 30%, and then put into a drying oven at 100°C to dry to constant weight to obtain fiber powder; The obtained 4,4'-oxobisbenzenesulfonyl hydrazide and 1-butyl-3-methylimidazole chloride were mixed and heated to 90°C for 30 minutes, then added the obtained fiber powder, continued to stir for 2 hours, and then added thiocyanic acid Sodium, continue to ...
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