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    • 1. 发明授权
    • Powder coating composition comprising epoxy group-containing acrylic resin
    • 包含含环氧基的丙烯酸树脂的粉末涂料组合物
    • US06509420B1
    • 2003-01-21
    • US09654975
    • 2000-09-05
    • Yoko HaradaMotoshi InagakiKoji ShimizuNoriyuki Tajiri
    • Yoko HaradaMotoshi InagakiKoji ShimizuNoriyuki Tajiri
    • C08F218
    • C09D133/068Y10S525/934C08L2666/34
    • An epoxy group-containing acrylic resin for a powder coating composition is a copolymer, having a weight-average molecular weight of 3000 to 20000, of a vinyl monomer mixture comprising 10 to 60% by weight of alkyl ester(s) of (meth)acrylic acid, 10 to 60% by weight of epoxy group-containing vinyl monomer(s) and other vinyl monomer(s), said epoxy group-containing acrylic resin having a mean particle diameter in the range of 80 to 800 &mgr;m, including 95% by weight or more of particles satisfying the relation of 1≦R/r≦1.2 wherein R is a long diameter and r is a short diameter of each particle, and including 1000 ppm or less of volatile components, the amount of the particles having long diameters R of less than 62 &mgr;m being 5% by weight or less, that of the particles having short diameters r of more than 1000 &mgr;m being 5% by weight or less.
    • 用于粉末涂料组合物的含环氧基的丙烯酸树脂是重均分子量为3000至20000的乙烯基单体混合物的共聚物,其包含10至60重量%的(甲基)丙烯酸烷基酯, 丙烯酸,10〜60重量%的含环氧基的乙烯基单体和其它乙烯基单体,所述含环氧基的丙烯酸树脂的平均粒径在80〜800μm的范围内,包括95 满足1≤R/ r <= 1.2的关系的颗粒的重量%以上,其中R是长径,r是每种颗粒的短直径,并且包括1000ppm以下的挥发性成分, 具有小于62μm的长直径R的颗粒为5重量%以下,直径r大于1000μm的颗粒的重量比为5重量%以下。
    • 10. 发明授权
    • Toner resin composition and process for preparing same
    • 调色剂树脂组合物及其制备方法
    • US5342722A
    • 1994-08-30
    • US878910
    • 1992-05-06
    • Hirokazu ItoMasahiro ItohMotoshi InagakiSyuji TakahiroKeiji Yoshida
    • Hirokazu ItoMasahiro ItohMotoshi InagakiSyuji TakahiroKeiji Yoshida
    • C08G59/00C08G59/20C08G59/32C08L63/00C08L67/00C08L67/02G03G9/087G03G9/00G03G9/13
    • G03G9/08786G03G9/08706G03G9/08711G03G9/08755Y10S430/105Y10S430/109
    • A toner resin composition comprising 5 to 40% by weight of a polyester (A) having a weight average molecular weight of 3,000 to 20,000 and 50 to 95% by weight of a styrene-acrylic copolymer (B). The styrene-acrylic copolymer (B) is comprised of 10 to 25% by weight of a high molecular weight polymer (B1) having a weight average molecular weight of 500,000 to 1,100,000 and 75 to 90% by weight of a low molecular weight polymer (B2) having a weight average molecular weight of 5,000 to 100,000. The high molecular weight polymer (B1) is comprised of a styrene component (b-1) and an acrylic ester and/or methacrylic ester component (b-2). The low molecular weight polymer (B2) is comprised of a styrene component (b-1), an acrylic ester and/or methacrylic ester component (b-2), 0.3 to 3 parts by weight, per 100 parts of the total weight of said component (b-1) and component (b-2), of an .alpha.-methyl styrene dimer (b-3) and 0.5 to 30 parts by weight, per 100 parts by weight of said polyester (A), of a glycidyl methacrylate component (b-4).
    • 一种调色剂树脂组合物,其包含5至40重量%的重均分子量为3,000至20,000的聚酯(A)和50至95重量%的苯乙烯 - 丙烯酸共聚物(B)。 苯乙烯 - 丙烯酸共聚物(B)由10至25重量%的重均分子量为500,000至1,100,000和75至90重量%的低分子量聚合物的高分子量聚合物(B1) B2),其重均分子量为5,000〜100,000。 高分子量聚合物(B1)由苯乙烯组分(b-1)和丙烯酸酯和/或甲基丙烯酸酯组分(b-2)组成。 低分子量聚合物(B2)由苯乙烯组分(b-1),丙烯酸酯和/或甲基丙烯酸酯组分(b-2)组成,每100份总重量为0.3-3重量份 所述组分(b-1)和组分(b-2),α-甲基苯乙烯二聚物(b-3)和0.5-30重量份,相对于所述聚酯(A)100重量份, 甲基丙烯酸酯组分(b-4)。