The present invention relates to a heat-resistant resin composition comprising: a first copolymer comprising a conjugated diene-based polymer, an aromatic vinyl-based monomer derived unit, and a vinyl cyanide monomer derived unit; a second copolymer comprising the aromatic vinyl-based monomer derived unit and the vinyl cyanide monomer derived unit, and having 115 °C or higher of a glass transition temperature; and a third copolymer comprising the aromatic vinyl-based monomer derived unit and the vinyl cyanide monomer derived unit, wherein the second copolymer is linear and the third copolymer is branched and has 2 to 8 of a branching index. The heat-resistant resin composition of the present invention may be more suitable as a material for an automobile spoiler, since surface defects and parison sag phenomenon due to melt fracture do not occur during blow molding.
본 발명은 공액 디엔계 중합체, 방향족 비닐계 단량체 유래 단위 및 비닐 시안계 단량체 유래 단위를 포함하는 제1 공중합체; 방향족 비닐계 단량체 유래 단위 및 비닐 시안계 단량체 유래 단위를 포함하고, 유리전이온도가 115 ℃ 이상인 제2 공중합체; 및 방향족 비닐계 단량체 유래 단위 및 비닐 시안계 단량체 유래 단위를 포함하는 제3 공중합체를 포함하고, 상기 제2 공중합체는 선형이고, 상기 제3 공중합체는 분지형이고 분지도가 2 내지 8인 내열 수지 조성물에 관한 것이다.
HEAT-RESISTANT RESIN COMPOSITION AND AUTOMOBILE SPOILER USING THE SAME
내열 수지 조성물 및 이를 이용한 자동차용 스포일러
19.06.2019
Patent
Elektronische Ressource
Koreanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B62D MOTOR VEHICLES , Motorfahrzeuge / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind |
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