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    • 4. 发明授权
    • Method for preparing norbornene based addition polymer containing ester or acetyl functional group
    • 制备含有酯或乙酰基官能团的降冰片烯基加成聚合物的方法
    • US07312285B2
    • 2007-12-25
    • US10494882
    • 2003-07-07
    • Sung-Ho ChunWon-Kook KimSung-Cheol YoonTae-Sun LimHeon KimKyoung-Hoon Kim
    • Sung-Ho ChunWon-Kook KimSung-Cheol YoonTae-Sun LimHeon KimKyoung-Hoon Kim
    • C08F4/44
    • C08G61/08C08F4/7027C08F32/08C08F132/08C08F2410/01C08G61/06G02F1/136227
    • The present invention relates to a method for preparing a cyclic olefin polymer by addition polymerization, and more particularly to a method for preparing a norbornene-based addition polymer, which comprises a step of contacting a norbornene-based monomer having an ester or acetyl group with a catalyst system comprising: a Group X transition metal compound; a compound comprising a neutral Group XV electron donor ligand having a cone angle of at least 160°; and a salt capable of offering an anion that can be weakly coordinated to the transition metal, in solvent. The norbornene-based addition polymer having an ester or acetyl group according to the present invention is transparent, has superior adhesivity and a low dielectric constant, and it generates no byproducts when attached to metal. Therefore, it can be used as an optical film, a retardation film, a protection film for a polarizer, POFs (plastic optical fiber), PCBs (printed circuit board), or insulators of electronic devices.
    • 本发明涉及通过加成聚合制备环烯烃聚合物的方法,更具体地说涉及一种制备降冰片烯系加成聚合物的方法,该方法包括使具有酯或乙酰基的降冰片烯系单体与 一种催化剂体系,包括:第X族过渡金属化合物; 包含具有至少160°的锥角的中性第XV族电子供体配体的化合物; 以及能够在溶剂中提供能够与过渡金属配位的阴离子的盐。 具有根据本发明的酯或乙酰基的降冰片烯系加成聚合物是透明的,具有优异的粘合性和低介电常数,并且当附着于金属时不产生副产物。 因此,它可以用作光学膜,延迟膜,偏振器用保护膜,POF(塑料光纤),PCB(印刷电路板)或电子器件的绝缘体。