METHOD FOR PREPARING BIODEGRADABLE RESIN COMPOSITION, BIODEGRADABLE RESIN COMPOSITION PREPARED THEREBY, AND BIODEGRADABLE MOLDED PRODUCT COMPRISING SAME

• Main Authors: KIM, Sang Min, CHOI, Yu Jin, LEE, Deuk Young
• Format: Patent
• Language: English; French; Korean
• Published: 08.02.2024
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The present invention provides a method for preparing a biodegradable resin composition, a biodegradable resin composition prepared thereby, and a biodegradable molded product, the method comprising the steps of: treating the surface of an inorganic filler with a surface treatment agent; and mixing the surface-treated inorganic filler and a biodegradable resin, wherein the surface treatment agent includes a flow improver, and the flow improver includes a phthalate-based compound. La présente invention concerne un procédé de préparation d'une composition de résine biodégradable, une composition de résine biodégradable ainsi préparée, et un produit moulé biodégradable, le procédé comprenant les étapes consistant à : traiter la surface d'une charge inorganique avec un agent de traitement de surface ; et mélanger la charge inorganique traitée en surface et une résine biodégradable, l'agent de traitement de surface comprenant un améliorant d'écoulement, et l'améliorant d'écoulement comprenant un composé à base de phtalate. 본 발명은 표면 처리제로 무기 충전제의 표면을 처리하는 단계, 및 상기 표면 처리된 무기 충전제 및 생분해성 수지를 혼합하는 단계를 포함하며, 상기 표면 처리제는 유동성 증진제를 포함하고, 상기 유동성 증진제는 프탈산 에스테르계 화합물을 포함하는 생분해성 수지 조성물의 제조 방법, 이에 의해 제조된 생분해성 수지 조성물 및 생분해성 성형품을 제공한다.