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    • 1. 发明专利
    • JPS4842958B1
    • 1973-12-15
    • JP4798169
    • 1969-06-19
    • C08G59/00C08G59/12C08G63/00C08G63/199C08G63/91C08L63/00H01B3/30H01B3/40H01B3/42C08G30/00C08G45/14
    • 1,248,525. Polyepoxide adducts. CIBAGEIGY A.G. 12 June, 1969 [19 June, 1968 (2)], No. 29958/69. Heading C3B. Adducts containing epoxide groups are prepared by reacting (I) a polyester of formula HO[CO.R 1 .COO.R 2 .O] n COR 1 COOH, in which R 1 is the hydrocarbon residue of an acid obtained by dimerizing and optionally subsequently hydrogenating a C 14-24 unsaturated fatty acid, R 2 is the radical of an aliphatic diol and n= 1 to 20, with (II) a cycloaliphatic polyepoxide in which at least one 1,2-epoxide group is attached to adjacent carbon atoms of a 5- or 6-membered ring. From 0À1 to 0À5 equivalents of I are used per epoxide equivalent of II. II may be 3 1 ,4-epoxycyclohexylmethyl-3,4-epoxycyclohexane carboxylate or its 6,61-dimethyl homologue or 3 - (3 1 ,4 1 - epoxycyclohexyl) - 8,9- epoxy - 2,4 - dioxaspiro[5.5]undecane. I may be prepared by reacting dimerized oleic acid or dimerized castor oil fatty acid with ethylene glycol, 1,4-butane diol or 1,6-hexanediol. The adducts may be cured with polycarboxylic acid anhydrides, e.g. hexahydrophthalic anhydride. Conventional accelerators, fillers and extenders may be present.