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    • 7. 发明授权
    • Pigment dispersion and its use
    • 颜料分散及其用途
    • US4839414A
    • 1989-06-13
    • US86931
    • 1987-08-18
    • Klaus BederkeThomas BrockHermann KerberPaul Rupieper
    • Klaus BederkeThomas BrockHermann KerberPaul Rupieper
    • B01J13/00B01F17/00B01F17/52C08G18/62C09B67/46C09D17/00
    • B01F17/005C08G18/6266C09B67/009C09D17/00
    • A pigment dispersion and its use for the preparation of coating compounds are described. The dispersion contains a pigment, solvent and pigment dispersing agent. The pigment dispersing agent is a copolymer containing OH groups, obtainable by the reaction of:(A) 80 to 95% by weight of a copolymer of:(a) 0.5 to 40% by weight of N,N-di-Cl to 4-alkylamino-C.sub.1 to .sub.8 -alkyl(meth)acrylamides and/or a mixture of N,N-di-C to 4-alkylamino-C.sub.1 to 8 -alkyl(meth)acrylates and N-substituted (meth)acrylamides and/or (meth)acrylamide in which the ratio of amino(meth)acrylates to amido(meth)acrylates should be in the range of from 1:2 to 2:1,(b) 10 to 40% by weight of hydroxy-C.sub.2-8 -alkyl (meth)acrylates and(c) 20 to 89.5% by weight of copolymerizable, .alpha., .beta.-olefinically unsaturated compounds with(B) 5 to 20% by weight of a polyisocyanate containing unmasked and optionally also masked isocyanate groups as well as biuret, urethane or isocyanurate groups.
    • 描述了颜料分散体及其制备涂料化合物的用途。 分散体含有颜料,溶剂和颜料分散剂。 颜料分散剂是含有OH基团的共聚物,可以通过以下反应获得:(A)80〜95重量%的共聚物,其中:(a)0.5〜40重量%的N,N-2-Cl〜4 - 烷基氨基-C 1-8烷基(甲基)丙烯酰胺和/或N,N-二-C至4-烷基氨基-C 1-8烷基(甲基)丙烯酸酯和N-取代的(甲基)丙烯酰胺和/或 (甲基)丙烯酸酯与酰氨基(甲基)丙烯酸酯的比率应在1:2至2:1的范围内的(甲基)丙烯酰胺,(b)10至40重量%的羟基-C 2- (甲基)丙烯酸烷基酯和(c)20至89.5重量%的可共聚的α,β-烯属不饱和化合物与(B)5至20重量%的含有未掩蔽和任选的掩蔽的异氰酸酯基团的多异氰酸酯以及 缩二脲,聚氨酯或异氰脲酸酯基。
    • 10. 发明授权
    • Sag stabilized coating compositions containing epoxy-functional crosslinking components
    • 含有环氧官能交联组分的凹凸稳定的涂料组合物
    • US06555176B1
    • 2003-04-29
    • US09914219
    • 2001-08-22
    • Ralf DahmCarmen FlosbachHans-Jürgen GawinHermann KerberApostolos ManassisVolker PaschmannWalter Schubert
    • Ralf DahmCarmen FlosbachHans-Jürgen GawinHermann KerberApostolos ManassisVolker PaschmannWalter Schubert
    • C08J500
    • C09D163/00C08L2666/04C08L2666/18
    • Coating composition containing a binder/crosslinking agent system, organic solvents, optionally together with pigments and/or extenders and conventional lacquer additives, wherein the binder/crosslinking agent system contains A) 20 to 80 wt. % of carboxy-functional (meth)acrylic copolymers and/or polyesters which are dissolved in the continuous phase of the coating composition, with an acid value of 15 to 300 mg of KOH/g, B) 80 to 20 wt. % of epoxy-functional crosslinking agents, wherein the numerical ratio between the component A) carboxyl groups and the component B) epoxy groups is between 1:1 and 1:3, and the epoxy-functional crosslinking agent B) comprises at least one epoxy-functional crosslinking component B1) which is dissolved in the continuous phase of the coating composition and at least one epoxy-functional component B2) dispersed in the continuous phase of the coating composition, wherein the numerical ratio of the epoxy groups of the crosslinking components B1) and B2) is 10:1 to 1:5 and wherein the organic solvents comprise 0 to 35 wt. % of one or more conventional organic lacquer solvents containing oxygen and 65 to 100 wt. % of one or more conventional lacquer hydrocarbons.
    • 包含粘合剂/交联剂体系的涂料组合物,有机溶剂,任选地与颜料和/或增量剂和常规漆添加剂一起,其中粘合剂/交联剂体系含有A)20至80wt。 %的羧酸官能(甲基)丙烯酸共聚物和/或聚酯,其溶解在涂料组合物的连续相中,酸值为15至300mg KOH / g,B)80至20wt。 %的环氧官能交联剂,其中组分A)羧基和组分B)环氧基之间的数值比在1:1至1:3之间,并且环氧官能交联剂B)包含至少一种环氧 溶解在涂料组合物的连续相中的功能性交联组分B1)和分散在涂料组合物的连续相中的至少一种环氧官能组分B2),其中交联组分B1的环氧基数 )和B2)为10:1至1:5,并且其中所述有机溶剂包含0至35重量% %的一种或多种常规有机漆溶剂含有氧和65至100wt。 %的一种或多种常规漆油。