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    • 18. 发明授权
    • Radiation curable acrylate-terminated polymers having polycarbonate repeating units
    • 具有聚碳酸酯重复单元的可辐射固化的丙烯酸酯封端的聚合物
    • US06451958B1
    • 2002-09-17
    • US09932559
    • 2001-04-06
    • Mingxin FanGary CeskaJames Horgan
    • Mingxin FanGary CeskaJames Horgan
    • C08G6400
    • C09D175/16C08G18/672Y10T428/31504Y10T428/31507Y10T428/31551C08G18/44
    • Polymer having repeating polycarbonate moieties of the formula (I) (Acr)y(A)(Q)(PC)[(Q)(PC)]x(Q)(A)(Acr)y  (I) wherein (Acr)y(A) is the residue of hydroxyalkyl acrylate or hydroxyalkyl methacrylate having an alkyl moiety, A, and where said alkyl, A, has 2 to 5 carbon atoms and wherein Acr is an acrylate or methacrylate moiety; Q is the residue of one or more organic polyisocyantes which are connected with A via a urethane linkage; PC is the residue of an alkylene diol polycarbonate of the formula (II) HO(ROCOO)nROH  (II) R is one or more (C2 to C10) alkylene or one or more (C6 to C12) aromatic group; y is an integer from 1 to 5; x is from 1 to 20; PC and Q are connected via a urethane group. The acrylate terminate polymers are useful for radiation cured coatings which have superior adhesion and reverse impact strength, especially when applied to plastic substrates.
    • 具有式(I)的重复聚碳酸酯部分的聚合物其中(Acr)y(A)是具有烷基部分A的丙烯酸羟烷基酯或甲基丙烯酸羟烷基酯的残基,并且其中所述烷基A具有2至5个碳原子,其中 Acr是丙烯酸酯或甲基丙烯酸酯部分; Q是通过氨基甲酸酯键与A连接的一种或多种有机聚异氰酸酯的残基; PC是式(II)的亚烷基二醇聚碳酸酯的残基R是一个或多个(C2 至C10)亚烷基或一个或多个(C6至C12)芳族基团; y为1至5的整数; x为1至20; PC和Q通过氨基甲酸酯基团连接。丙烯酸酯末端聚合物可用于辐射 具有优异的附着力和反冲击强度的固化涂层,特别是当应用于塑料基材时。