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    • 21. 发明授权
    • Paint composition
    • 油漆组成
    • US06465589B2
    • 2002-10-15
    • US09726446
    • 2000-12-01
    • Hiroshi InukaiEiichi OkazakiKunihiko MizutaniAkihito Iida
    • Hiroshi InukaiEiichi OkazakiKunihiko MizutaniAkihito Iida
    • C08L3700
    • C09D133/062C08F220/14C08F220/18C09D143/04C08F2220/1825C08F2220/281C08F220/06C08F220/36C08F2222/404C08F230/08C08F222/40C08F220/28
    • A paint composition is provided, which comprises a copolymer comprising the following constitutional units (A), (B), and (C) as essential components: (A) a (meth)acrylate monomer unit having a straight-chain, branched-chain, or cyclic alkyl group; (B) at least one monomer unit selected from the group consisting of a monomer unit having an unsaturated double bond and a hydroxyalkyl group, a monomer unit having an unsaturated double bond and an epoxy group, and a monomer unit having an unsaturated double bond and an alkoxysilyl group; and (C) a monomer unit having an unsaturated double bond and a maleimide group. The paint composition is excellent in weatherability and coating gloss. The composition may be contained in an organic solvent such as cyclic ethers, aromatic hydrocarbons, esters, and ketones. The organic solvent may be one that comprises 40% or more of a saturated hydrocarbon. In this case, it is preferred that a (meth)acrylic ester monomer having an alkyl group of 8 to 20 carbon atoms accounts for 5 to 50% by weight of the total amount of the constitutional units of the copolymer.
    • 提供了一种涂料组合物,其包含作为必要组分的包含以下结构单元(A),(B)和(C)的共聚物:(A)具有直链,支链的(甲基)丙烯酸酯单体单元 或环状烷基; (B)选自由具有不饱和双键和羟烷基的单体单元,具有不饱和双键的单体单元和环氧基组成的组中的至少一种单体单元和具有不饱和双键的单体单元和 烷氧基甲硅烷基; 和(C)具有不饱和双键和马来酰亚胺基团的单体单元。 涂料组合物的耐候性和涂料光泽性优异。 组合物可以包含在有机溶剂如环醚,芳烃,酯和酮中。 有机溶剂可以是含有40%以上饱和烃的溶剂。 在这种情况下,优选碳原子数为8〜20的(甲基)丙烯酸酯单体占共聚物的结构单元总量的5〜50重量%。