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POLYESTER FIBER FOR ARTIFICIAL HAIR, MANUFACTURING METHOD THEREOF, FIBER BUNDLE FOR HAIR CONTAINING POLYESTER FIBER, AND HEAD DECORATION PRODUCT
POLYESTER FIBER FOR ARTIFICIAL HAIR, MANUFACTURING METHOD THEREOF, FIBER BUNDLE FOR HAIR CONTAINING POLYESTER FIBER, AND HEAD DECORATION PRODUCT
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机译:人造头发用聚酯纤维,其制造方法,含头发用聚酯纤维束和头部装饰产品
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摘要
PROBLEM TO BE SOLVED: To provide a polyester fiber for artificial hair, a fiber having high fire retardancy and superior heat resistance, and a method of manufacturing the same, and to provide a fiber bundle for hair containing the same and a head decoration product.;SOLUTION: The polyester fiber for artificial hair of this invention contains a polyester resin and a brominated epoxy-based fire retardant. The polyester resin is a polyalkylene terephthalate and/or a copolyester comprising primarily a polyalkylene terephthalate, and intrinsic viscosity of the polyester resin is 0.3-0.5. A manufacturing method of the polyester fiber for artificial hair includes preferably a process of lowering the intrinsic viscosity of the polyester resin by a sugar alcohol-based and/or bisphenol-based compound which contains two or more hydroxyl groups in the molecule and which has a melting point of 80°C or higher and a boiling point of 260°C or higher.;COPYRIGHT: (C)2015,JPO&INPIT
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