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    • 6. 发明公开
    • 고신축성 탄성사의 제조방법
    • 高弹性弹性纱的生产方法
    • KR1020000013716A
    • 2000-03-06
    • KR1019980032747
    • 1998-08-12
    • 주식회사 효성생활산업
    • 손양국양승철
    • D01F6/86
    • PURPOSE: A production method of a high elastic yarn is provided to thermal-treat under 30°C of the melting temperature around the glass transfer temperature of the PBT of a hardened segment. CONSTITUTION: The high elastic yarn is produced by thermal-treating in the state not to be suspended a tension after melting and spinning the polyether ester copolymer having the polyether of the PBT as a hardened segment and the polyether of the polytetramethylene ether glycol as a soft segment. The polyether ester is comprised by the polyester of the polybutylene terephthalate as a hardened segment, and the polyester of the polyalkylether glycol as a soft segment.
    • 目的:提供高弹性纱线的制造方法,在30℃下对硬化片段的PBT的玻璃化转移温度附近的熔融温度进行热处理。 构成:高弹性纱线在熔融后熔融并使具有作为硬化段的具有PBT的聚醚的聚醚酯共聚物和聚四亚甲基醚二醇的聚醚作为软化物的状态下不被悬浮的状态下进行热处理 分割。 聚醚酯由作为硬化段的聚对苯二甲酸丁二醇酯的聚酯和作为软链段的聚烷基醚二醇的聚酯组成。