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    • 9. 发明公开
    • Improved rheology low class, high impact strength powder coating resins
    • 树脂粉末的涂料具有改进的流变学性质,低光泽和高冲击强度。
    • EP0240984A2
    • 1987-10-14
    • EP87105112.4
    • 1987-04-07
    • THE DOW CHEMICAL COMPANY
    • Hefner, Robert E., Jr.Haynes, Deborah I.
    • C08F299/02C09D3/00
    • C08F299/026C08G59/066C08G59/1433C08G59/226
    • Novel advanced epoxy resins are disclosed which are the product resulting from (I) polymerizing in the presence of a catalytic quantity of a suitable polymerization catalyst (A) the reaction product of (1) a mixture consisting of (a) a diglycidyl ether of a dihydric phenol such as a diglycidyl ether of bisphenol A and (b) a diglycidyl ether of a mono-, di- or polyetherdiol such as a diglycidyl ether of a polypropylene glycol with (2) a compound containing both a group reactive with an epoxide group and a polymerizable ethylenically unsaturated group such as methacrylic acid; with (B) a monomer mixture containing (1) at least one vinyl aromatic monomer such as styrene, (2) a compound containing both a group reactive with an epoxide group and a polymerizable ethylenically unsaturated group such as methacrylic acid and optionally (3) a hydroxyalkyl acrylate or methacrylate or an alkyl acrylate or methacrylate such as hydroxyethylacrylate; and (II) advancing in the presence of a catalytic quantity of a suitable advancement catalyst, the product from (I) with (C) a dihydric phenol such as bisphenol A.
    • 新颖先进环氧树脂盘游离缺失哪些是产品从在合适的聚合催化剂(A)的反应产物的催化量存在(I)聚合所得到的(1)组成的混合物(A)的二缩水甘油醚 二元酚如检查双酚A和的二缩水甘油醚(b)一种单 - 的二缩水甘油醚,二 - 或聚醚二醇作为检查与聚丙二醇的二缩水甘油醚(2)同时含有一组具有环氧基团的反应性的化合物 和可聚合的烯不饱和基团:如甲基丙烯酸; 与(B)的单体混合物含有(1)至少一种乙烯基芳族单体:例如苯乙烯,(2)同时含有在环氧基团具有反应性和可聚合的烯属不饱和基团的化合物:如甲基丙烯酸和任选的(3) 丙烯酸羟烷基酯或甲基丙烯酸酯或丙烯酸烷基酯或甲基丙烯酸酯上:如丙烯酸羟乙酯; 和(II)在合适的催化剂前进的催化量存在前进,从(I)的产物与(C)二元酚:如双酚A等