ALKYL ACRYLATE COMPOUND-VINYL CYAN COMPOUND-AROMATIC VINYL COMPOUND GRAFT COPOLYMER, METHOD FOR PRODUCING SAME, AND THERMOPLASTIC RESIN COMPOSITION COMPRISING SAME

• Main Authors: KIM, Se Yong, HWANG, Yong Yeon, KIM, Min Jung, LEE, Eun Ji, PARK, Jang Won, JEON, Ji Yoon, AHN, Bong Keun
• Format: Patent
• Language: English; French; Korean
• Published: 17.06.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present disclosure relates to an alkyl acrylate compound-vinyl cyan compound-aromatic vinyl compound graft copolymer, a method for producing same, and a thermoplastic resin composition comprising same, and more particularly, to an alkyl acrylate compound-vinyl cyan compound-aromatic vinyl compound graft copolymer characterized by comprising: a seed polymerized by including at least one compound selected from the group consisting of an alkyl acrylate compound, an aromatic vinyl compound, and a vinyl cyan compound, and a polyfunctional crosslinking agent; a core surrounding the seed and polymerized by including an alkyl acrylate compound and a polyfunctional crosslinking agent; and a graft shell surrounding the core and polymerized by including an aromatic vinyl compound and a vinyl cyan compound, wherein the polyfunctional crosslinking agent has a weight-average molecular weight of 600 to 1400 g/mol, a method for producing same, and a thermoplastic resin composition comprising same. According to the present invention, there is an effect of providing an alkyl acrylate compound-vinyl cyan compound-aromatic vinyl compound graft copolymer having excellent properties related to external appearance, such as glossiness and colorability, and excellent mechanical properties, a method for producing same, and a thermoplastic resin composition comprising same. La présente invention concerne un copolymère greffé d'un composé d'acrylate d'alkyle-composé de cyanure de vinyle-composé vinylique aromatique, un procédé de production de celui-ci et une composition de résine thermoplastique le comprenant et, plus particulièrement, un copolymère greffé d'un composé d'acrylate d'alkyle-composé de cyanure de vinyle-composé vinylique aromatique caractérisé en ce qu'il comprend : un germe polymérisé par inclusion d'au moins un composé choisi dans le groupe constitué par un composé d'acrylate d'alkyle, un composé vinylique aromatique et un composé de cyanure de vinyle, et un agent de réticulation polyfonctionnel ; un noyau entourant le germe et polymérisé par inclusion d'un composé d'acrylate d'alkyle et d'un agent de réticulation polyfonctionnel ; et une enveloppe greffée entourant le noyau et polymérisée par inclusion d'un composé vinylique aromatique et d'un composé de cyanure de vinyle, l'agent de réticulation polyfonctionnel présentant un poids moléculaire moyen en poids variant de 600 à 1 400 g/mol, un procédé de production de celui-ci et une composition de résine thermoplastique le comprenant. Selon la présente invention est fourni un copolymère greffé d'un composé d'acrylate d'alkyle-composé de cyanure de vinyle-composé vinylique aromatique présentant d'excellentes propriétés en matière d'aspect extérieur, telles que brillant et colorabilité, et d'excellentes propriétés mécaniques, un procédé de production de celui-ci et une composition de résine thermoplastique le comprenant. 본 기재는 알킬 아크릴레이트 화합물-비닐시안 화합물-방향족 비닐 화합물 그라프트 공중합체, 이의 제조방법 및 이를 포함하는 열가소성 수지 조성물에 관한 것으로, 보다 상세하게는 알킬 아크릴레이트 화합물, 방향족 비닐 화합물 및 비닐시안 화합물로 이루어진 군으로부터 선택된 1종 이상의 화합물 및 다관능성 가교제를 포함하여 중합된 시드; 상기 시드를 감싸고 알킬 아크릴레이트 화합물 및 다관능성 가교제를 포함하여 중합된 코어; 및 상기 코어를 감싸고 방향족 비닐 화합물 및 비닐시안 화합물을 포함하여 중합된 그라프트 쉘;을 포함하되, 상기 다관능성 가교제는 중량평균분자량 600 내지 1,400 g/mol인 것을 특징으로 하는 알킬 아크릴레이트 화합물-비닐시안 화합물-방향족 비닐 화합물 그라프트 공중합체, 이의 제조방법 및 이를 포함하는 열가소성 수지 조성물에 관한 것이다. 본 발명에 따르면, 광택성 및 착색성 등의 외관 특성과 기계적 물성이 우수한 알킬 아크릴레이트 화합물-비닐시안 화합물-방향족 비닐 화합물 그라프트 공중합체, 이의 제조방법 및 이를 포함하는 열가소성 수지 조성물을 제공하는 효과가 있다.