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    • 22. 发明授权
    • Method of forming a cured coating film
    • 形成固化涂膜的方法
    • US5093223A
    • 1992-03-03
    • US278505
    • 1988-12-01
    • Naozumi IwasawaOsamu Isozaki
    • Naozumi IwasawaOsamu Isozaki
    • B05D3/06C08G59/14C08J3/28G03F7/038
    • G03F7/038B05D3/068C08G59/1433C08J3/28G03F7/0388Y10S522/904
    • The invention provides a method of forming a cured coating film which comprises exposing a coating composition consisting of, or containing as a main component, a resin containing polymerizable unsaturated group and aprotic onium-containing group of the formula ##STR1## wherein R.sub.1 means a hydrogen atom or a hydrocarbon group of 1 to 8 carbon atoms which may optionally be substituted by a hydroxyl, alkoxy or ester group or a halogen atom; ##STR2## where Z means a nitrogen atom or phosphorus atom and Y means a sulfur atom; R.sub.2, R.sub.3 and R.sub.4 are the same or different and respectively mean an organic group of 1 to 14 carbon atoms, provided that R.sub.2 and R.sub.3, or R.sub.2, R.sub.3 and R.sub.4 may jointly form a heterocyclic group taken together with the adjacent nitrogen, phosphorus or sulfur atom, to actinic radiation or electron beams to thereby induce a crosslinking reaction and, then, subjecting the composition to heat treatment at a temperature not less than 80.degree. C.
    • 本发明提供一种形成固化涂膜的方法,该方法包括使包含可聚合不饱和基团的树脂和式(Ⅰ)所示的非质子含鎓基团组成或包含作为主要成分的涂料组合物,其中R 1 是指氢原子或可任选被羟基,烷氧基或酯基或卤素原子取代的1至8个碳原子的烃基; 其中Z表示氮原子或磷原子,Y表示硫原子; R 2,R 3和R 4相同或不同,分别表示1至14个碳原子的有机基团,条件是R 2和R 3或R 2,R 3和R 4可以与相邻的氮,磷或磷一起形成杂环基 硫原子,光化辐射或电子束,从而引起交联反应,然后使组合物在不低于80℃的温度下进行热处理。
    • 25. 发明授权
    • Water-dispersed coating composition comprising an acrylic graft polymer
containing carboxyl groups, hydroxyl and/or amide groups
    • 包含含有羧基,羟基和/或酰胺基团的丙烯酸接枝聚合物的水分散涂料组合物
    • US4329266A
    • 1982-05-11
    • US186557
    • 1980-09-12
    • Yukio SuzukiNaozumi IwasawaTadashi Watanabe
    • Yukio SuzukiNaozumi IwasawaTadashi Watanabe
    • C08F290/12C09D151/00C08L61/28
    • C08F290/126C09D151/003
    • A water-dispersed coating composition comprising (1) a dispersion of a water-dispersible form of an acrylic graft polymer containing carboxyl groups and hydroxyl and/or amide groups in an aqueous medium containing 60 to 90% by weight of water, and (2) an amino resin. The water-dispersible form of this polymer is obtained by neutralizing at least 50% of the carboxyl groups of the polymer with a basic substance. Prior to neutralization, the polymer has an acid value of 15 to 40 and a glass transition temperature of -10.degree. C. to 70.degree. C., and is produced by polymerizing (A) an acrylic copolymer and (B) a mixture of an alpha,beta-ethylenically unsaturated carboxylic acid and another copolymerizable unsaturated monomer. The copolymer (A) and the mixture (B) is selected so that either one of them has hydroxyl and/or amide groups and the difference between the acid value of the copolymer (A) and that of the mixture (B) is from 25 to 200. The present invention also provides a water-dispersed coating composition comprising a dispersion of a water-dispersible form of a self-curable acrylic graft polymer without an amino resin.
    • 一种水分散涂料组合物,其包含(1)含水分散体形式的含羧基和羟基和/或酰胺基的丙烯酸接枝聚合物在含有60-90%重量水的水性介质中的分散体,和(2) )氨基树脂。 该聚合物的水分散形式通过用碱性物质中和聚合物的至少50%的羧基而获得。 在中和之前,聚合物的酸值为15至40,玻璃化转变温度为-10℃至70℃,并通过聚合(A)丙烯酸共聚物和(B)将 α,β-烯属不饱和羧酸和另一种可共聚的不饱和单体。 选择共聚物(A)和混合物(B),使得它们中的任一个具有羟基和/或酰胺基,并且共聚物(A)和混合物(B)的酸值之间的差异为25 本发明还提供一种水分散涂料组合物,其包含不具有氨基树脂的可分散自由基的丙烯酸接枝聚合物的分散体。