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MANUFACTURING METHOD OF MOISTURE-PERMEABLE WATERPROOF CLOTHING
MANUFACTURING METHOD OF MOISTURE-PERMEABLE WATERPROOF CLOTHING
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机译:防潮防水布的制造方法
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摘要
According to the invention, a polar organic solution is prepared that contains polyurethane polymer solid 8-30% having 170 deg.C softening point, silica gel 0.1-10%, nonion surface active agent 0.1-5%, anion surface active agent 0.1-5% and stabilized isocyanide 1-15%. The solution is made to have the viscosity of 20-200ps and is coated on a textile sheet to have the isocyanide with the desity distribution 70% or more within the textile. The coated sheet is left standing for 1- 5 min., wet-coagulated and washed to produce foams, and treated for water repellent.
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