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    • 3. 发明申请
    • AQUEOUS COATING COMPOSITION
    • 水性涂​​料组合物
    • WO2011084464A2
    • 2011-07-14
    • PCT/US2010/060469
    • 2010-12-15
    • E. I. du Pont de Nemours and CompanyFLOSBACH, CarmenFIEBERG, AndreasDREGER, KatharinaKREMPLER, Barabra
    • FLOSBACH, CarmenFIEBERG, AndreasDREGER, KatharinaKREMPLER, Barabra
    • C09D133/06
    • C09D185/02C08K5/29C08L63/10C09D133/06Y10T428/31529
    • The present invention refers to an aqueous coating composition comprising A) at least one binder combination of A1) 60 to 90 wt% of at least one water-dilutable (meth)acrylate copolymer comprising a) 10 to 80 wt% of at least one reaction product of a monoepoxyester and an an unsaturated acid functional monomer, b) 0 to 40 wt% of at least one hydroxyl functional unsaturated monomer which is different from component a), c) 1 to 8 wt% of at least one unsaturated acid functional monomer, and d) 0 to 70 wt% of at least one other polymerisable unsaturated monomer, wherein the wt% of a), b), c) and d) are adding up to 100% by weight, and A2) 10 to 40 wt% of at least one water-dilutable epoxyester resin, wherein the binder combination is prepared by mixing together both the at least one binder A1) and A2) after their preparation and jointly neutralizing this mixture by adding the appropriate amount of a base and conversion into an aqueous dispersion, wherein the wt% of A1) and A2) are adding up to 100% by weight, and B) at least one isocyanate compound as cross-linking agent, wherein the wt% of components A) and B) are adding up to 100% by weight. The aqueous coating composition according to the invention is particularly useful as top coat for direct coating of metal surfaces, particularly un-treated steel surfaces, providing high corrosion resistance and highly performed adhesiveness on the un-treated steel surfaces as well as high performance on appearance, e.g., gloss and flow.
    • 本发明涉及一种水性涂料组合物,其包含A)至少一种A1至60重量%的至少一种水可稀释(甲基)丙烯酸酯共聚物的粘合剂组合物,其包含a)10至80重量%的至少一个反应 单环氧酯和不饱和酸官能单体的产物,b)0至40重量%的至少一种不同于组分a)的羟基官能不饱和单体,c)1至8重量%的至少一种不饱和酸官能单体 ,和d)0-70重量%的至少一种其它可聚合的不饱和单体,其中a),b),c)和d)的重量%加到100重量%,A2)10-40重量% %的至少一种水可稀释的环氧酯树脂,其中粘合剂组合是通过将它们制备后的至少一种粘合剂A1)和A2)混合在一起来制备的,并通过加入适量的碱并将其转化成共同中和该混合物 一种水性分散体,其中A1)和A2)的重量%加入u p至100重量%,B)至少一种异氰酸酯化合物作为交联剂,其中组分A)和B)的重量%相加至100重量%。 根据本发明的水性涂料组合物特别可用作用于直接涂覆金属表面,特别是未处理钢表面的顶涂层,在未处理的钢表面上提供高耐腐蚀性和高度粘合性以及外观上的高性能 ,例如光泽和流动。
    • 6. 发明申请
    • AQUEOUS COATING COMPOSITION
    • 水性涂​​料组合物
    • WO2011084464A3
    • 2011-10-27
    • PCT/US2010060469
    • 2010-12-15
    • DU PONTFLOSBACH CARMENFIEBERG ANDREASDREGER KATHARINAKREMPLER BARABRA
    • FLOSBACH CARMENFIEBERG ANDREASDREGER KATHARINAKREMPLER BARABRA
    • C09D133/06C09D133/00
    • C09D185/02C08K5/29C08L63/10C09D133/06Y10T428/31529
    • The present invention refers to an aqueous coating composition comprising A) at least one binder combination of Al) 60 to 90 wt% of at least one water- dilutable (meth) acrylate copolymer comprising a) 10 to 80 wt% of at least one reaction product of a monoepoxyester and an an unsaturated acid functional monomer, b) 0 to 40 wt% of at least one hydroxyl functional unsaturated monomer which is different from component a), c) 1 to 8 wt% of at least one unsaturated acid functional monomer, and d) 0 to 70 wt% of at least one other polymerisable unsaturated monomer, wherein the wt% of a), b), c) and d) are adding up to 100% by weight, and A2) 10 to 40 wt% of at least one water- dilutable epoxyester resin, wherein the binder combination is prepared by mixing together both the at least one binder Al) and A2) after their preparation and jointly neutralizing this mixture by adding the appropriate amount of a base and conversion into an aqueous dispersion, wherein the wt% of Al) and A2) are adding up to 100% by weight, and B) at least one isocyanate compound as cross - linking agent, wherein the wt% of components A) and B) are adding up to 100% by weight.
    • 本发明涉及水性涂料组合物,其包含A)至少一种Al至少一种60至90重量%的至少一种可水可稀释(甲基)丙烯酸酯共聚物的粘合剂组合物,其包含a)10至80重量%的至少一个反应 单环氧酯和不饱和酸官能单体的产物,b)0至40重量%的至少一种不同于组分a)的羟基官能不饱和单体,c)1至8重量%的至少一种不饱和酸官能单体 ,和d)0-70重量%的至少一种其它可聚合的不饱和单体,其中a),b),c)和d)的重量%加到100重量%,A2)10-40重量% %的至少一种可水可稀释的环氧酯树脂,其中粘合剂组合是通过将它们的制备中的至少一种粘合剂A1)和A2)混合在一起制备的,并通过加入适量的碱并将其转化成共同中和来制备 一种水性分散体,其中Al)和A2)的重量百分比是加入量 g至多100重量%,B)至少一种异氰酸酯化合物作为交联剂,其中组分A)和B)的重量百分比加到100重量%。