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polyesterzusammensetzungen, polyester monofilamente, processes in the manufacture of polyester and monofilamente use products

机译:聚酯纤维,聚酯单丝,聚酯和单丝用途产品的生产工艺

摘要

A polyester composition comprising 99.8 - 60 wt.% of a polyester (A) having a terminal carboxyl concentration of 10 equiv./106g or less and 0.2 - 40 wt.% of a fluorine-free thermoplastic polymer (B) and containing 0.005 - 1.5 wt.% of an unreacted carbodiimide compound (C); a polyester monofilament produced from the composition; and industrial textile and papermaking dryer canvas both produced from the monofilament, and a rubber molding reinforced with the monofilament. The composition is produced by melt kneading a fluorine-free thermoplastic polymer and a carbodiimde compound, adding a polyester during or after the melt kneading, and kneading the resultant mixture. The monofilament is produced by spinning the composition followed by stretching and heat setting.
机译:聚酯组合物,其包含99.8-60重量%的末端羧基浓度为10当量/ 106g以下的聚酯(A)和0.2-40重量%的无氟热塑性聚合物(B),并且含有0.005重量%。 1.5重量%的未反应的碳二亚胺化合物(C);由该组合物生产的聚酯单丝;以及由单丝制成的工业纺织品和造纸干燥帆布,以及由单丝增强的橡胶成型品。通过将无氟热塑性聚合物和碳二酰亚胺化合物熔融捏合,在熔融捏合期间或之后添加聚酯,并捏合所得混合物来制备组合物。通过将组合物纺丝,然后拉伸和热定型来生产单丝。

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