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    • 2. 发明授权
    • High solid coating composition and method for forming topcoat using same
    • 高固体涂料组合物和使用其形成面漆的方法
    • US6045870A
    • 2000-04-04
    • US145427
    • 1998-09-01
    • Kohsuke NouraYoshiyuki YukawaMasaaki SaikaMotoshi YabutaYasumasa Okumura
    • Kohsuke NouraYoshiyuki YukawaMasaaki SaikaMotoshi YabutaYasumasa Okumura
    • C09D143/04C09D201/08B05D3/02
    • C09D201/08C09D143/04C08L2205/18
    • An organic solvent-based heat-curable high solid coating composition comprising:(A) a carboxyl-containing compound having an acid value of 50 to 500 mg KOH/g wherein 20 mol % or more of the carboxyl groups are silylated carboxyl groups,(B) at least one epoxide selected from (B-1) an epoxy-, hydroxyl- and hydrolyzable alkoxysilyl-containing vinyl polymer, (B-2) the vinyl polymer (B-1) wherein 20 mol % or more of the hydroxyl groups are silylated hydroxyl groups, and (B-3) an epoxy compound having a number average molecular weight less than 1,000, and(C) a crosslinked particulate polymer,the composition having a solid content of 65 wt. % or more; and a method for forming a topcoat using the composition. The composition of the invention has a sufficiently high solid content, is capable of forming a coating film with high resistance to acids and the like, and is excellent in low-temperature curability, storage stability and recoat adhesion.
    • 一种有机溶剂型可热固化高固体涂料组合物,其包含:(A)酸值为50〜500mgKOH / g的含羧基化合物,其中20摩尔%以上的羧基为甲硅烷基化羧基( B)至少一种选自(B-1)环氧基,羟基和可水解的含烷氧基甲硅烷基的乙烯基聚合物的环氧化物,(B-2)乙烯基聚合物(B-1),其中20mol%或更多的羟基 是(甲基)丙烯酸羟基,和(B-3)数均分子量小于1000的环氧化合物,和(C)交联的颗粒聚合物,该组合物的固含量为65重量% % 或者更多; 以及使用该组合物形成面漆的方法。 本发明的组合物具有足够高的固体含量,能够形成具有高耐酸性等的涂膜,并且具有优异的低温固化性,储存稳定性和重涂性。
    • 6. 发明授权
    • Self-crosslinking resin
    • 自交联树脂
    • US5296551A
    • 1994-03-22
    • US97236
    • 1993-07-27
    • Yoshiyuki YukawaMotoshi YabutaAkimasa NakahataKazunori Mayumi
    • Yoshiyuki YukawaMotoshi YabutaAkimasa NakahataKazunori Mayumi
    • C08G18/10C08G18/42C08G18/72C08G18/80C08G18/81C09D175/00C09D175/06C08G81/02
    • C08G18/728C08G18/10C08G18/42
    • The present invention provides(1) a self-crosslinking resin (I) having a blocked isocyanate group and a hydroxyl group in the molecule and characterized in that the resin is prepared from a vinyl polymer (A) having at least two free isocyanate groups in the molecule and a polyester resin (B) having at least two hydroxyl groups in the molecule by reacting some of the hydroxyl groups of the resin (B) with some of the free isocyanate groups of the polymer (A), and subsequently reacting a blocking agent with all the remaining free isocyanate groups, and(2) a self-crosslinking resin (II) having a blocked isocyanate group and a hydroxyl group in the molecule and characterized in that the resin is prepared from a vinyl polymer (C) having a free isocyanate group and a blocked isocyanate group in the molecule and the polyester resin (B) having at least two hydroxyl groups in the molecule by reacting some of the hydroxyl groups of the resin (B) with all the free isocyanate groups of the polymer (C).
    • 本发明提供(1)在分子中具有封端异氰酸酯基和羟基的自交联树脂(I),其特征在于,所述树脂由具有至少两个游离异氰酸酯基的乙烯基聚合物(A) 所述分子和通过使所述树脂(B)的一些羟基与所述聚合物(A)的一些游离异氰酸酯基团反应而在所述分子中具有至少两个羟基的聚酯树脂(B)反应, 具有所有剩余的游离异氰酸酯基团的试剂,和(2)在分子中具有封端的异氰酸酯基和羟基的自交联树脂(II),其特征在于,树脂由乙烯基聚合物(C)制备, 游离异氰酸酯基和分子内的封端异氰酸酯基和分子中具有至少两个羟基的聚酯树脂(B),其中树脂(B)的一些羟基与聚合物的所有游离异氰酸酯基反应 r(C)。
    • 8. 发明授权
    • Process for preparing self-crosslinking resin
    • 自交联树脂的制备方法
    • US5587426A
    • 1996-12-24
    • US024774
    • 1993-03-02
    • Yoshiyuki YukawaMotoshi YabutaAkimasa NakahataYoh Sugimura
    • Yoshiyuki YukawaMotoshi YabutaAkimasa NakahataYoh Sugimura
    • C08G18/10C08G18/62C08G18/70C08G18/72C08G18/80C08G81/02
    • C08G18/8061C08G18/10C08G18/6229C08G18/6254C08G18/728
    • The present invention provides:(1) a self-crosslinking resin (I) having a blocked isocyanate group and a hydroxyl group in the molecule and characterized in that the resin is prepared from a vinyl polymer (A) having at least two free isocyanate groups in the molecule and an acrylic resin (B) having at least two hydroxyl groups in the molecule by reacting some of the hydroxyl groups of the resin (B) with some of the free isocyanate groups of the polymer (A), and subsequently reacting a blocking agent with all the remaining free isocyanate groups, and(2) a self-crosslinking resin (II) having a blocked isocyanate group and a hydroxyl group in the molecule and characterized in that the resin is prepared from a vinyl polymer (C) having a free isocyanate group and a blocked isocyanate group in the molecule and the acrylic resin (B) having at least two hydroxyl groups in the molecule by reacting some of the hydroxyl groups of the resin (B) with all the free isocyanate groups of the polymer (C).
    • 本发明提供:(1)分子中具有封端异氰酸酯基和羟基的自交联树脂(I),其特征在于,所述树脂由具有至少两个游离异氰酸酯基的乙烯基聚合物(A) 在分子中具有至少两个羟基的丙烯酸树脂(B),其中树脂(B)的一些羟基与聚合物(A)的一些游离异氰酸酯基团反应,然后使 具有所有剩余的游离异氰酸酯基团的封端剂,和(2)分子中具有封端的异氰酸酯基和羟基的自交联树脂(II),其特征在于,树脂由具有 通过使树脂(B)的一些羟基与聚合物中的所有游离异氰酸酯基团反应,分子中的游离异氰酸酯基和封端的异氰酸酯基和分子中具有至少两个羟基的丙烯酸树脂(B) (C)。
    • 10. 发明授权
    • Method for formation of coating film
    • 涂膜形成方法
    • US5780113A
    • 1998-07-14
    • US833118
    • 1997-04-04
    • Yutaka MasudaAkimasa NakahataYoshiyuki YukawaMotoshi Yabuta
    • Yutaka MasudaAkimasa NakahataYoshiyuki YukawaMotoshi Yabuta
    • B05D5/06B05D7/00B05D7/14
    • B05D7/57B05D5/068
    • The present invention provides a method for forming a multi-layer coating film by applying a clear coating (B) on the film of a leafing type aluminum flake-containing metallic coating (A), which method comprises forming a film of the metallic coating (A), curing the film, applying thereon a composition (C) containing a polymer formed from an unsaturated monomer having a phosphoric acid group represented by --O--PO(OH)(R.sub.1) (wherein R.sub.1 is a hydroxyl group, a phenyl group or a C.sub.1-20 alkyl group) and a hydroxyl group-containing unsaturated monomer, and then applying the clear coating (B) on the film of the composition (C). The method can form a multi-layer coating film improved in interlayer adhesivity between the metallic coating film and the clear coating film, without reducing the excellent effects and metallic feeling provided by a metallic coating film containing leafing type aluminum flake.
    • 本发明提供了一种通过在含叶片状的含铝薄片的金属涂层(A)的薄膜上涂布透明涂层(B)来形成多层涂膜的方法,该方法包括形成金属涂层的膜 A),固化该膜,在其上涂覆含有由具有由-O-PO(OH)(R1)表示的磷酸基的不饱和单体形成的聚合物的组合物(C)(其中R1是羟基,苯基 或C 1-20烷基)和含羟基的不饱和单体,然后将透明涂层(B)涂布在组合物(C)的膜上。 该方法可以形成改善金属涂膜和透明涂膜之间层间粘合性的多层涂膜,而不会降低由含叶片型铝片的金属涂膜提供的优异的效果和金属感。