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    • 8. 发明申请
    • ALPHA-OLEFIN BASED BRANCHED POLYMER
    • 基于ALPHA-OLEFIN的分支聚合物
    • WO2002102863A1
    • 2002-12-27
    • PCT/US2002/019002
    • 2002-06-13
    • DOW GLOBAL TECHNOLOGIES INC.ARRIOLA, Daniel, J.DEVORE, David, D.TIMMERS, Francis, J.REDWINE, Oscar, D.
    • ARRIOLA, Daniel, J.DEVORE, David, D.TIMMERS, Francis, J.REDWINE, Oscar, D.
    • C08F210/18
    • C08F210/18C08F4/65908C08F4/65912C08F4/65916C08F4/65927C08F210/06C08F210/16C08F4/6592C08F212/36C08F2500/03C08F2500/15C08F2500/09C08F236/20C08F2500/25
    • A polymer comprising units (1) derived from an alpha-olefin having at least 3 carbon atoms (1'), units (2) derived from divinylbenzene or C 1-10 hydrocarbyl substituted derivatives thereof (2'), and units (3) derived from ethylene (3'), the polymer comprising at least 75 mole % of units (1), from 0.01 to 5 mole % of units (2), and up to 20 mole % of units (3), the polymer having a branching factor BF 0.75. A process for preparing a polymer comprising units (1) derived from an alpha-olefin having at least 3 carbon atoms (1'), units (2) derived from divinylbenzene or C 1-10 hydrocarbyl substituted derivatives thereof (2'), and units (3) derived from ethylene (3'), by contacting the alpha-olefin (1'), the divinylbenzene compound (2'), and ethylene (3') in the presence of a polymerisation catalyst under polymerisation conditions wherein the mole ratio of alpha-olefin (1') to divinylbenzene or C 1-10 hydrocarbyl substituted derivatives thereof (2') is at least 10:1, the mole ratio of divinylbenzene or C 1-10 hydrocarbyl substitut ed derivatives thereof (2')to ethylene (3') is in the range of from 1:0.1 to 1:2000, and the mole ratio of (1') to (3') is at least 4:1.
    • 包含衍生自具有至少3个碳原子(1')的α-烯烃的单元(1),由二乙烯基苯衍生的单元(2)或其中C 1〜10(其烃基取代的衍生物(2'))和单元( 3),所述聚合物包含至少75摩尔%的单元(1),0.01至5摩尔%的单元(2)和至多20摩尔%的单元(3),所述聚合物 具有分支因子BF 0.75。 一种制备聚合物的方法,所述聚合物包含衍生自具有至少3个碳原子(1')的α-烯烃的单元(1),衍生自二乙烯基苯或C> 1-10 <其烃基取代的衍生物(2')的单元(2) ,和由聚合催化剂存在下,在聚合条件下使α-烯烃(1'),二乙烯基苯化合物(2')和乙烯(3')接触而衍生自乙烯(3')的单元(3) α-烯烃(1')与二乙烯基苯或C> 1-10 <其烃基取代的衍生物(2')的摩尔比为至少10:1,二乙烯基苯或C> 1-10 <烃基取代的衍生物的摩尔比 其衍生物(2')与乙烯(3')的摩尔比为1:0.1至1:2000,并且(1')至(3')的摩尔比为至少4:1。