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    • 2. 发明公开
    • 재활용 폴리유산을 포함하는 수지 조성물 및 이를 이용한 토목보강용 생분해성 섬유의 제조방법
    • 含有回收聚酯酸的树脂组合物及其生物可降解纤维的制造方法,作为用于公民发明的增强材料
    • KR1020130031546A
    • 2013-03-29
    • KR1020110095191
    • 2011-09-21
    • 한국섬유개발연구원주식회사 모아
    • 전초현한재성권희재송재동
    • C08L67/04C08L67/02D01F6/62D01D5/098
    • PURPOSE: A resin composition is provided to reduce a manufacturing cost using cheap recycled polylactic acid as a main raw material, to reduce stiffness of biodegradable fiber, and to effectively prevent the decrease in biodegradation property and melting index. CONSTITUTION: A resin composition comprises 90 wt% of recycled polylactic acid, 7 to 9 wt% of polybutylene succinate, and 1 to 3 wt% of polybutylene adipate terephthalate. A manufacturing method of biodegradable fiber for geotextile grouting comprises the steps of: melting the resin composition, spinning, drawing, drying, and heat-treating the melted resin composition through a spinneret(2), passing the yarn spinned through the spinneret before the drawing through a tub(B), and/or passing the yarn spinned through the spinneret through the tub containing a solution while drawing.
    • 目的:提供使用廉价的再生聚乳酸作为主要原料降低制造成本的树脂组合物,以降低可生物降解纤维的刚度,并有效防止生物降解性和熔融指数的降低。 构成:树脂组合物包含90重量%的再循环聚乳酸,7-9重量%的聚丁二酸丁二醇酯和1至3重量%的聚己二酸丁二醇酯对苯二甲酸酯。 用于土工织物灌浆的可生物降解纤维的制造方法包括以下步骤:通过喷丝头(2)熔化树脂组合物,纺丝,拉伸,干燥和热处理熔融的树脂组合物,使经过喷丝头的纱线通过喷丝 通过桶(B),和/或使通过喷丝头的纱线穿过包含溶液的桶在拉伸时通过。