폴리락트산 수지 조성물의 제조 방법

Method of manufacturing polylactic acid resin composition

Abstract

PURPOSE: A method for manufacturing a polylactic acid resin composition is provided to precisely control the temperature of a reactant using a melting kneader, to enhance mixing power, and to facilitate discharge. CONSTITUTION: A method for manufacturing a polylactic acid resin composition comprises the steps of: forming polylactic acids by performing ring opening polymerization after providing lactide and lactic acid oligomers to a melt-kneading device; and melt-mixing the polylactic acid and the thermoplastic resin by providing the thermoplastic resin to the melt-kneading device. The content of the thermoplastic resin is 0.1-50 weight%.
폴리락트산 수지 조성물의 제조 방법이 제공된다. 상기 제조 방법은, 락타이드 및 락트산 올리고머를 용융 혼련 장치에 제공하여 개환중합시켜 폴리락트산을 형성하는 단계, 및 상기 용융 혼련 장치에 열가소성 수지를 제공하여 상기 폴리락트산과 상기 열가소성 수지를 용융 혼련 시키는 단계를 포함한다.

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