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ELASTIC RESIN, ELASTIC RESIN MOLDING, CLOTHING, AND AUXILIARY MATERIAL FOR CLOTHING
ELASTIC RESIN, ELASTIC RESIN MOLDING, CLOTHING, AND AUXILIARY MATERIAL FOR CLOTHING
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机译:弹性树脂,弹性树脂的成型,制衣以及用于制衣的辅助材料
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摘要
PROBLEM TO BE SOLVED: To provide an elastic resin which has such an excellent elastic property as will not cause any permanent set in fatigue in a wide temp. range of from a low temp. to a high temp. and to provide an elastic resin molding, clothing, and an auxiliary material for clothing. SOLUTION: This elastic resin is a polyurethane comprising a polyol component of a copolyether polyol between tetrahydrofuran and a 3- alkyltetrahydrofuran, the mol.wt. of a soft segment comprising a copolymerized portion of a polyurethane-urea polymer chain of the polyurethane being not more than La defined by the equation, La=3306100.05066 K (wherein K represents the molar fraction of 3-alkyltetrahydrofuran in the copolyther polyol). At least an elastic portion of the clothing and the auxiliary material for clothing comprises the elastic resin fiber.
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