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    • 5. 发明申请
    • CATALYST COMPOSITION
    • 催化剂组合物
    • WO99043726A1
    • 1999-09-02
    • PCT/GB1999/000597
    • 1999-02-26
    • C08F283/01C08K5/14C09J4/06C09J167/06C09J175/16C09J163/10
    • C09J4/06C08F283/01C08K5/14C08L67/02C09J167/06C08L67/06
    • An ethylenically unsaturated polymer, especially a polyester, poly(vinyl ester) or acrylate terminated polyurethane, admixed with a cross-linkable monomer, is curable with a catalyst composition for curing such free radical curable resin compositions, the catalyst composition comprising, when free from the free radical curable resin: (1) a free radical catalyst and (2) a liquid saturated polyester (a) comprising units derived from (i) a C3-12 polycarboxylic acid or reactive derivative thereof; and (ii) a C2-12 polyol or reactive derivative thereof; and (b) having a weight average molecular weight of from 500 to 20,000. The compositions may be used, for example, in fibre reinforced plastics moulding and as adhesives and gap fillers. They are especially suitable for application from a two-pack kit, such as a two-cylinder applicator, in which the catalyst composition is present in one pack and the resin composition, preferably containing an accelerator, is present in the other pack.
    • 与可交联单体混合的烯键式不饱和聚合物,特别是聚酯,聚(乙烯基酯)或丙烯酸酯封端的聚氨酯,可用用于固化这种自由基可固化树脂组合物的催化剂组合物固化,该催化剂组合物当不含 自由基固化性树脂:(1)自由基催化剂和(2)包含衍生自(i)C3-12多元羧酸或其反应性衍生物的单元的液体饱和聚酯(a) 和(ii)C2-12多元醇或其反应性衍生物; 和(b)重均分子量为500〜20,000。 该组合物可以用于例如纤维增强塑料模塑和粘合剂和间隙填料中。 它们特别适用于双组分试剂盒,例如双筒涂布器,其中催化剂组合物存在于一个包装中,而另一个包装中存在优选含有促进剂的树脂组合物。