하기 단계를 포함하는 커플링된 중합체를 제조하는 방법: (ⅰ) 단량체를 중합하여 반응성 중합체를 형성하는 단계; (ⅱ) 상기 반응성 중합체를 X의 관능기를 갖는 폴리이소시아네이트와 반응시켜 중간체 중합체 생성물을 형성하는 단계; 및 (ⅲ) 상기 중간체 중합체 생성물을 Y의 관능기를 갖는 폴리올과 반응시켜 커플링된 중합체 생성물을 형성하는 단계, 여기서 X+Y≥5.
A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer; (ii) reacting the reactive polymer with a polyisocyanate having a functionality of X to form an intermediate polymer product; and (iii) reacting the intermediate polymer product with a polyol having a functionality of Y to form the coupled polymer product, where X+Y≧5.
METHOD FOR PRODUCING POLYDIENES AND POLYDIENE COPOLYMERS WITH REDUCED COLD FLOW
감소된 저온 유동을 갖는 폴리디엔 및 폴리디엔 공중합체를 생산하는 방법
2018-12-28
Patent
Elektronische Ressource
Koreanisch
IPC: | 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 / B60C VEHICLE TYRES , Fahrzeugreifen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind |
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