BIODEGRADABLE COMPOSITE FIBER AND METHOD FOR MANUFACTURING SAME

• Main Authors: HWANG BO, Chul, YOO, Jong Seong, KIM, Yeong Su
• Format: Patent
• Language: English; French; Korean
• Published: 06.07.2023
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING; TEXTILES

The objective of the present invention is to provide a biodegradable composite fiber having excellent biodegradability and spinnability. The present invention is directed to a biodegradable composite fiber comprising: 30-70 wt% of a core portion containing polylactic acid (PLA); and 30-70 wt% of a sheath portion containing polylactic acid (PLA). La présente invention a pour objectif de réaliser une fibre composite biodégradable ayant une excellente biodégradabilité et une excellente aptitude au filage. La présente invention concerne une fibre composite biodégradable comprenant : de 30 à 70 % en poids d'une portion centrale contenant de l'acide polylactique (PLA) ; et de 30 à 70 % en poids d'une portion de gaine contenant de l'acide polylactique (PLA). 본 발명이 해결하고자 하는 과제는 생분해성이 우수하고, 방사성이 우수한 생분해성 복합섬유를 제공하는 것이다. 본 발명은 폴리유산(PLA)를 포함하는 코어부 30~70 중량%; 및 저융점 폴리유산(PLA)를 포함하는 시스부 30~70 중량%;를 포함하는 생분해성 복합섬유이다.