会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • HIGHLY ACTIVE CATALYSTS FOR ALKYLENE OXIDE POLYMERIZATION
    • 用于烷基氧化物聚合的高活性催化剂
    • WO2008134118A1
    • 2008-11-06
    • PCT/US2008/055281
    • 2008-02-28
    • DOW GLOBAL TECHNOLOGIES INC.WASSERMAN, Eric, P.TANG, LihaoCHENG, Yang
    • WASSERMAN, Eric, P.TANG, LihaoCHENG, Yang
    • C08G65/00
    • C08G65/12C08G65/2654
    • The reaction product of the reaction product of A.) a ligand of the formula (I), wherein R 1 , R 2 , R 3 , and R 4 in each occurrence independently are the same or different hydrocarbyl substituents of 1 to 20 carbon atoms, hydrogen, halogen, or alkoxy groups of 1 to 8 carbon atoms; X in each occurrence independently is CR 6 with R 6 being hydrogen or an alkyl group of 1 to 8 carbon atoms; and R 5 is an organic divalent group of 4 to 40 carbon atoms with the proviso that the two nodes X are not bound to the same atom or to vicinal atoms in the group R 5 ; B.) an aluminum compound of the formula A1R 7 R 8 R 9 , wherein R 7 , R 8 and R 9 each independently is a C 1 to C 12 hydrocarbyl group, hydrogen, halogen, or an alkoxy group of 1 to 20 carbon atoms; and C.) a Lewis base selected from the group consisting of amines, phosphines, amides, nitriles, isonitriles, and alcohols is useful as a polymerization catalyst, particularly for the homopolymerization or copolymerization of an alkylene oxide.
    • A.)式(I)的配体的反应产物,其中R 1,R 2,R 3,R 3, 和R 4各自独立地为具有1至20个碳原子的相同或不同的烃基取代基,氢,卤素或具有1至8个碳原子的烷氧基; 每次出现的X独立地为CR 6,其中R 6为氢或1至8个碳原子的烷基; 并且R 5是4至40个碳原子的有机二价基团,条件是两个结点X不与R 5中的相同原子或连接原子结合, SUP>; B)式A1R的铝化合物其中R 7,R 9,R 9, 各自独立地为C 12〜C 12烃基,氢,卤素或烷氧基 1〜20个碳原子的基团; 和C.)选自胺,膦,酰胺,腈,异腈和醇的路易斯碱可用作聚合催化剂,特别是用于烯化氧的均聚或共聚。