The present invention relates to a catalyst composition which comprises a rare earth metal compound, an alkylating agent, a halogen compound, and a functionalizing agent represented by chemical formula 1 of (X_1)_a-M_1-([Y-M_2-(X_2)_n-1])_m-a, shows excellent catalytic activity and polymerization reactivity, and is useful for preparing a conjugated diene polymer having high linearity and excellent processability. The present invention also relates to a conjugated diene polymer prepared by using the catalyst composition. In chemical formula 1, a, m, n, M_1, M_2, X_1, X_2 and Y are the same as defined in the specification.
본 발명에서는 희토류 금속 화합물, 알킬화제 및 할로겐 화합물과 함께, 하기 화학식 1의 기능기화제를 포함하여, 우수한 촉매 활성 및 중합반응성을 나타내며, 높은 선형성과 함께 우수한 가공성을 갖는 공액 디엔계 중합체의 제조에 유용한 촉매 조성물 및 이를 이용하여 제조한 공액 디엔계 중합체가 제공된다: [화학식 1] (X)-M-([Y-M-(X)])상기 화학식 1에서, a, m, n, M, M, X및 X, Y는 명세서 중에서 정의한 바와 같다.
CATALYST COMPOSITION FOR PREPARING CONJUGATED DIENE POLYMER AND CONJUGATED DIENE POLYMER PREPARED BY USING THE SAME
공액 디엔계 중합체 제조용 촉매 조성물 및 이를 이용하여 제조된 공액 디엔계 중합체
2017-01-03
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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
Europäisches Patentamt | 2017
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