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    • 4. 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
    • US20100197873A1
    • 2010-08-05
    • US12597623
    • 2008-02-28
    • Eric P. WassermanYang ChengLihao Tang
    • Eric P. WassermanYang ChengLihao Tang
    • C08F4/52B01J31/02
    • C08G65/12C08G65/2654
    • The reaction product of the reaction product of A.) a ligand of the formula (I), wherein R1, R2, R3, and R4 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 CR6 with R6 being hydrogen or an alkyl group of 1 to 8 carbon atoms; and R5 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 R5; B.) an aluminum compound of the formula AlR7R8R9, wherein R7, R8 and R9 each independently is a C1 to C12 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.
    • 式(I)的反应产物的反应产物,其中R 1,R 2,R 3和R 4各自独立地是相同或不同的具有1-20个碳原子的烃基取代基,氢,卤素 ,或1〜8个碳原子的烷氧基; 每次出现X独立地是CR 6,其中R6是氢或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不与基团R5中的相同原子或连接原子结合; B.)式AlR 7 R 8 R 9的铝化合物,其中R 7,R 8和R 9各自独立地为C 1至C 12烃基,氢,卤素或具有1至20个碳原子的烷氧基; 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。
    • 6. 发明授权
    • Highly active catalysts for alkylene oxide polymerization
    • 用于烯化氧聚合的高活性催化剂
    • US08273678B2
    • 2012-09-25
    • US12597623
    • 2008-02-28
    • Eric P. WassermanYang ChengLihao Tang
    • Eric P. WassermanYang ChengLihao Tang
    • B01J31/00
    • C08G65/12C08G65/2654
    • The reaction product of the reaction product of A.) a ligand of the formula (I), wherein R1, R2, R3, and R4 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 CR6 with R6 being hydrogen or an alkyl group of 1 to 8 carbon atoms; and R5 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 R5; B.) an aluminum compound of the formula AlR7R8R9, wherein R7, R8 and R9 each independently is a C1 to C12 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.
    • 式(I)的反应产物的反应产物,其中R 1,R 2,R 3和R 4各自独立地是相同或不同的具有1-20个碳原子的烃基取代基,氢,卤素 ,或1〜8个碳原子的烷氧基; 每次出现X独立地是CR 6,其中R6是氢或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不与基团R5中的相同原子或连接原子结合; B.)式AlR 7 R 8 R 9的铝化合物,其中R 7,R 8和R 9各自独立地为C 1至C 12烃基,氢,卤素或具有1至20个碳原子的烷氧基; 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。
    • 10. 发明授权
    • Method for the preparation of a particulate reversibly crosslinked polymeric material
    • 用于制备颗粒可逆交联的聚合物材料的方法
    • US09200084B2
    • 2015-12-01
    • US13700263
    • 2010-06-08
    • Purnendu MukherjeeEric P. Wasserman
    • Purnendu MukherjeeEric P. Wasserman
    • C08B15/00C08B3/10A61L15/32A61K47/48
    • C08B3/10C08B15/005
    • The present invention relates to method for the preparation of a particulate reversibly-crosslinked polymeric material comprising: treating a particulate water-soluble hydroxyl-functional polymer in a liquid phase comprising a solvent mixture in that the hydroxyl-functional polymer is insoluble containing an organic solvent and water; a tetracarboxylic acid dianhydride represented by formula (I), 10 (I) wherein: U and V are independently selected from CH, N and P; 15 X is selected from a single bond, a saturated divalent (C1-C10) hydrocarbon group, O, S, NR, and PR, wherein R is selected from hydrogen and (C1-C4) alkyl; n and m are independently selected from 0 and 1; w is 1 or 2 with the proviso that; 20 if w is 1 then Y is X and if w is 2 then Y is selected from H and (C1-C4) alkyl, whereby there is no bond between both Y; and optionally a catalyst; to form a particulate reversibly-crosslinked polymeric material and 25 to a particulate reversibly-crosslinked polymeric material obtainable thereby.
    • 本发明涉及制备颗粒可逆交联的聚合物材料的方法,包括:在包含溶剂混合物的液相中处理颗粒状水溶性羟基官能聚合物,因为羟基官能聚合物不溶于含有机溶剂 和水; 由式(I)表示的四羧酸二酐,10(I)其中:U和V独立地选自CH,N和P; 15 X选自单键,饱和二价(C1-C10)烃基,O,S,NR和PR,其中R选自氢和(C1-C4)烷基; n和m独立地选自0和1; w为1或2,条件是: 20,如果w为1,则Y为X,如果w为2,则Y选自H和(C 1 -C 4)烷基,由此两者之间不存在键; 和任选的催化剂; 以形成可逆交联的聚合物颗粒和25至可由其获得的可逆交联的聚合物颗粒。