Sag stabilized coating compositions containing epoxy-functional crosslinking components
    1.
    发明授权
    Sag stabilized coating compositions containing epoxy-functional crosslinking components 失效
    含有环氧官能交联组分的凹凸稳定的涂料组合物

    公开(公告)号:US06555176B1

    公开(公告)日:2003-04-29

    申请号:US09914219

    申请日:2001-08-22

    IPC分类号: C08J500

    摘要: 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.

    摘要翻译: 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。