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    • 1. 发明授权
    • Thermosetting powder resin composition
    • 热固性粉末树脂组合物
    • US06388012B1
    • 2002-05-14
    • US09543089
    • 2000-04-04
    • Hiroyuki SakayamaYoshio KikutaMitsuyuki MizoguchiTakahisa MiyawakiTsuyoshi Matsumoto
    • Hiroyuki SakayamaYoshio KikutaMitsuyuki MizoguchiTakahisa MiyawakiTsuyoshi Matsumoto
    • C08L2300
    • C09D5/037
    • A thermosetting powder paint composition comprising (A) a resin composition component, (B) a hardener component and (C) a solid flow controlling component, wherein the component (A) contains a resin composition component having reactivity with the component (B), the component (B) contains a hardener having reactivity with the component (A), the component (C) contains a vinyl polymer which is solid at 20° C., and the relation between SPA of the component (A) and SPC of the component (C) satisfies the following numerical formula (1) and the following numerical formula (2) simultaneously. By this constitution, excellent blocking-resistance in storing as the powder paint composition and excellent appearance properties of a paint film formed by coating the powder paint composition can be simultaneously manifested. 8≦SPA≦13  (1) 7≦SPC≦SPA  (2).
    • 一种热固性粉末涂料组合物,其包含(A)树脂组合物组分,(B)固化剂组分和(C)固体流动控制组分,其中组分(A)含有与组分(B)具有反应性的树脂组合物组分, 组分(B)含有与组分(A)具有反应性的固化剂,组分(C)含有在20℃下为固体的乙烯基聚合物,组分(A)的SPA与SPC之间的关系 组分(C)同时满足以下数学式(1)和以下数值式(2)。 通过这种结构,可以同时表现出通过涂覆粉末涂料组合物形成的涂膜作为粉末涂料组合物的优异的耐粘连性和优异的外观性能。
    • 2. 发明授权
    • Thermosetting resin composition for powder paint and thermosetting powder paint composition using the same
    • 用于粉末涂料和热固性粉末涂料组合物的热固性树脂组合物使用该组合物
    • US06333380B1
    • 2001-12-25
    • US09495895
    • 2000-02-02
    • Hiroyuki SakayamaYoshio KikutaMitsuyuki MizoguchiTakahisa MiyawakiTsuyoshi Matsumoto
    • Hiroyuki SakayamaYoshio KikutaMitsuyuki MizoguchiTakahisa MiyawakiTsuyoshi Matsumoto
    • C08G6348
    • C08G81/021
    • There are disclosed a thermosetting resin composition for a powder paint in which a resin composition component (A) is a (block) copolymer obtained by allowing a vinyl-based polymer G (branch) block (component (a-1)) to graft-react with a vinyl-based polymer S (back bone) block (component (a-2)), and if the solubility parameters of the components (a-1) and (a-2) are represented by SPG and SPG, respectively, SPG and SPS satisfy the following numerical formula (I), and a thermosetting powder paint composition comprising a resin composition component (A) and a hardener composition component (B) wherein the component (A) is said thermosetting resin composition for a powder paint. By these compositions, a thermosetting powder paint composition having excellent storage stabilities, appearance properties, physical properties and chemical properties can be provided. Particularly, there can be provided a thermosetting powder paint composition suitably applied to painting of bodies of vehicles such as automobiles and parts of vehicles such as automobiles (aluminum wheel, wiper, pillar, door handle, fender, bonnet, air spoiler, stabilizer, front grill and the like), particularly, to top painting. SPG
    • 公开了一种粉末涂料用热固性树脂组合物,其中树脂组合物组分(A)是通过使乙烯基类聚合物G(分支)嵌段(组分(a-1))接枝而获得的(嵌段)共聚物, 与乙烯基类聚合物S(背面骨)嵌段(成分(a-2))反应,如果成分(a-1)和(a-2)的溶解度参数分别用SPG和SPG表示, SPG和SPS满足以下数值式(I),和包含树脂组合物组分(A)和硬化剂组合物组分(B)的热固性粉末涂料组合物,其中组分(A)是所述粉末涂料用热固性树脂组合物。 通过这些组合物,可以提供具有优异的储存稳定性,外观性质,物理性质和化学性质的热固性粉末涂料组合物。 特别地,可以提供一种适用于汽车,汽车等车辆(铝轮,刮水器,支柱,门把手,挡泥板,发动机罩,空气扰流板,稳定器,前部等)的车体的涂装的热固性粉末涂料组合物 格栅等),特别是顶画。
    • 9. 发明授权
    • Thermosetting powder coating composition
    • 热固性粉末涂料组合物
    • US06875815B2
    • 2005-04-05
    • US10445830
    • 2003-05-28
    • Mitsuyuki MizoguchiYoshiharu Hirose
    • Mitsuyuki MizoguchiYoshiharu Hirose
    • C08G59/42C09D5/03C09D125/08C09D129/00C09D133/14C09D135/00C09D163/00C08F8/00C08L25/02C08L37/00
    • C09D163/00C08L2666/04
    • Disclosed is a thermosetting powder coating composition comprising (A) a glycidyl group-containing acrylic resin obtained by (co)polymerizing monomers containing an ethylenically unsaturated monomer having a glycidyl group and/or a β-methylglycidyl group, (B) a polycarboxyl curative, and (C) an alcohol adduct of a styrene/maleic anhydride copolymer. Also disclosed are a cross-linked cured film of the composition and a process for preparing the composition. According to the invention, blending efficiency and dispersibility of the components of a powder coating, particularly those between the resin component and the curative component, are improved without changing a conventional production process of a powder coating, i.e., a process consisting of melt blending, cooling solidification, pulverization and sieving, and thereby a thermosetting powder coating composition, which is capable of forming a cross-linked cured film improved in appearance properties (high gloss, etc.), physical properties (hardness, scratch/mar resistance, etc.), and chemical properties (acid resistance, solvent resistance, etc.), particularly in scratch/mar resistance and/or chemical properties, and having a 60° gloss value of not less than 80, and which is favorably used for coating of automotive bodies and automotive parts, can be provided.
    • 公开了一种热固性粉末涂料组合物,其包含(A)通过(共)聚合含有具有缩水甘油基和/或β-甲基缩水甘油基的烯属不饱和单体的单体获得的含缩水甘油基的丙烯酸树脂,(B)聚羧基固化剂, 和(C)苯乙烯/马来酸酐共聚物的醇加成物。 还公开了组合物的交联固化膜和制备该组合物的方法。 根据本发明,粉末涂料的组分的混合效率和分散性,特别是树脂组分和固化剂组分之间的组分的混合效率和分散性得到改善,而不改变常规的粉末涂料的生产方法,即熔融共混, 冷却固化,粉碎和筛分,从而可以形成改善外观性能(高光泽度等),物理性能(硬度,耐擦伤/耐擦伤性等)的交联固化膜的热固性粉末涂料组合物 ),化学性质(耐酸性,耐溶剂性等),特别是耐划痕/耐擦伤性和/或化学性质,并且具有不小于80°的60°光泽值,并且其有利地用于汽车涂料 可以提供车身和汽车零件。