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    • 5. 发明授权
    • Epoxy resin compositions containing polyester flexibilizer and
metallocene complex initiator
    • 含有聚酯增韧剂和茂金属络合物引发剂的环氧树脂组合物
    • US4920182A
    • 1990-04-24
    • US279884
    • 1988-12-05
    • Aloysius H. ManserDieter StrasillaRolf Mulhaupt
    • Aloysius H. ManserDieter StrasillaRolf Mulhaupt
    • C08K5/56C08G59/00C08G59/40C08G59/68C08L63/00C09D163/00C09J163/00C09J175/00
    • C08G59/687C08G59/68C08L63/00
    • Compositions are described containing(A) an epoxy resin having on average at least two 1,2-epoxy groups per molecule or a mixture of these epoxy resins,(B) a compound of the formula I or a mixture of these compounds ##STR1## in which a and b independently of one another are 1 or 2, R.sup.1 is a .pi.-arene, R.sup.2 is a .pi.-arene, an indenyl anion or a cyclopentadienyl anion, X.sup..crclbar. is an [LQ.sub.m ].sup..crclbar. or an anion of a partially fluorinated or perfluorinated aliphatic or aromatic sulfonic acid, L is B, P, As or Sb, Q is fluorine or some of the radicals Q can also be hydroxyl groups and m corresponds to the valence of L increased by one, and(C) a flexible polyester which is terminated by, on average, at least two carboxyl groups and which is derived from an aliphatic or cycloaliphatic polyol or a mixture of such polyols and from an aliphatic, cycloaliphatic or aromatic polycarboxylic acid or a mixture of such polycarboxylic acids.The compositions can be employed as coating agents or as adhesives.
    • 描述的组合物包含(A)每分子平均具有至少两个1,2-环氧基团的环氧树脂或这些环氧树脂的混合物,(B)式I化合物或这些化合物的混合物[R1( a)(+)ab ab x [X]( - )(I)其中a和b彼此独立地为1或2,R 1为仲芳基,R 2为仲芳基,茚基阴离子 或环戊二烯基阴离子,X( - )是[LQm]( - )或部分氟化或全氟化的脂族或芳族磺酸的阴离子,L是B,P,As或Sb,Q是氟或一些基团 Q也可以是羟基,m对应于L的化合价增加1,和(C)柔性聚酯,其平均由至少两个羧基终止并且衍生自脂族或脂环族多元醇或 这种多元醇和脂族,脂环族或芳族多元羧酸或这些多元羧酸的混合物的混合物。 组合物可以用作包衣剂或粘合剂。