Thermosetting powder paint, coating method using said paint, and article
coated with said paint
    1.
    发明授权
    Thermosetting powder paint, coating method using said paint, and article coated with said paint 失效
    热固性粉末涂料,使用所述涂料的涂布方法和涂有所述涂料的制品

    公开(公告)号:US5728790A

    公开(公告)日:1998-03-17

    申请号:US510848

    申请日:1995-08-03

    摘要: The present invention relates to a thermosetting powder paint comprising, as essential components, (A) a copolymer of particular composition composed of a glycidyl group-containing monomer, styrene and other monomer copolymerizable therewith and, as curing agents capable of reacting with the component (A) to crosslink the component (A), (B) an aliphatic polycarboxylic acid and (C) a linear anhydride of an aliphatic polycarboxylic acid; a coating method using the above thermosetting powder paint; and a coated article obtained by using the above thermosetting powder paint. The above thermosetting powder paint, when used as a paint for automobile, has excellent storage stability and gives a coating film having excellent appearance, properties, weathering resistance and yellowing resistance; therefore, the paint can be favorably used particularly as an top coat and an intermediate coat for automobile and its parts.

    摘要翻译: 本发明涉及一种热固性粉末涂料,其包含作为必要组分的(A)由含缩水甘油基的单体,苯乙烯和可与其共聚的其它单体组成的特定组成的共聚物,以及作为能够与组分反应的固化剂 A)使组分(A),(B)脂族多元羧酸和(C)脂族多元羧酸的直链酸酐交联; 使用上述热固性粉末涂料的涂布方法; 和通过使用上述热固性粉末涂料获得的涂布制品。 上述热固性粉末涂料在用作汽车涂料时具有优异的储存稳定性,并且具有优异的外观,性能,耐候性和耐黄变性的涂膜。 因此,该涂料可以特别用作汽车及其部件的顶涂层和中间涂层。

    Powder paint composition
    2.
    发明授权
    Powder paint composition 失效
    粉末涂料组成

    公开(公告)号:US6008301A

    公开(公告)日:1999-12-28

    申请号:US969760

    申请日:1997-11-13

    IPC分类号: C08L73/02 C09D133/06 C08F8/14

    CPC分类号: C09D133/068 C08L73/02

    摘要: A thermosetting powder paint composition is disclosed which can realize simultaneous manifestation of I) excellent stability before film forming (in storage), II) excellent low temperature melting property/low temperature curing property in forming a film, and III) excellent film properties and physical properties after film forming;and which comprises (A) a copolymer component which is obtained by radical polymerization in a reaction system containing (a-1) an ethylenically unsaturated monomer having a glycidyl group and a unsaturated double bond in the molecule, (a-2) styrene, and (a-3) the other monomer in a specific condition, (B) a curing agent component which is a linear acid anhydride of an aliphatic divalent carboxylic acid having a specific structure, and (C) a curing catalyst component having a specific structure.

    摘要翻译: 公开了可以实现I)在成膜(储存)之前优异的稳定性的同时表现的热固性粉末涂料组合物,II)在形成膜时具有优异的低温熔融性/低温固化性,以及III)优异的膜性能和物理性 成膜后的性能; (A-1)在分子中含有缩水甘油基和不饱和双键的烯键式不饱和单体(a-2)苯乙烯,和(A-1)共聚物成分, (a-3)特定条件下的其它单体,(B)作为具有特定结构的脂肪族二元羧酸的线性酸酐的固化剂成分,(C)具有特定结构的固化催化剂成分。

    Thermosetting powder resin composition
    4.
    发明授权
    Thermosetting powder resin composition 有权
    热固性粉末树脂组合物

    公开(公告)号:US06388012B1

    公开(公告)日:2002-05-14

    申请号:US09543089

    申请日:2000-04-04

    IPC分类号: C08L2300

    CPC分类号: C09D5/037

    摘要: 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).

    摘要翻译: 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。

    Thermosetting resin composition for powder paint and thermosetting powder paint composition using the same
    5.
    发明授权
    Thermosetting resin composition for powder paint and thermosetting powder paint composition using the same 有权
    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

    公开(公告)号:US06333380B1

    公开(公告)日:2001-12-25

    申请号:US09495895

    申请日:2000-02-02

    IPC分类号: C08G6348

    CPC分类号: C08G81/021

    摘要: 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

    摘要翻译: 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。

    Thermosetting powder paint composition
    6.
    发明授权
    Thermosetting powder paint composition 有权
    热固性粉末涂料组成

    公开(公告)号:US6121378A

    公开(公告)日:2000-09-19

    申请号:US136290

    申请日:1998-08-19

    IPC分类号: C08L83/04 C09D133/06 C08F8/00

    CPC分类号: C09D133/068 C08L83/04

    摘要: A thermosetting powder paint composition for top coating excellent in weather resistance and storage stability, which comprising 100 parts by weight of an acrylic copolymer (A) having an epoxy group, and 0.01 to 2.0 parts by weight of an organic modified polysiloxane (B) containing at least one functional group, at least two silicon atoms and no radical-polymerizable unsaturated bond wherein the component (B) is contained in the condition that a part or all thereof has reacted and bonded with the component (A) or the component (C), or all thereof has not reacted with them.

    摘要翻译: 包含100重量份具有环氧基的丙烯酸共聚物(A)和0.01〜2.0重量份含有有机改性聚硅氧烷(B)的耐候性和保存稳定性优异的顶涂层用热固性粉末涂料组合物,其含有 至少一个官能团,至少两个硅原子和无自由基聚合性不饱和键,其中组分(B)的一部分或全部与组分(A)或组分(C ),或其全部未与其反应。

    Thermosetting powder coating composition
    7.
    发明授权
    Thermosetting powder coating composition 有权
    热固性粉末涂料组合物

    公开(公告)号:US06359067B1

    公开(公告)日:2002-03-19

    申请号:US09446660

    申请日:1999-12-23

    IPC分类号: C08L5300

    摘要: A thermosetting powder coating composition which comprises a resin composition (A) having a sea-island type microphase separation structure constituted of a continuous phase (a sea phase) comprising an acrylic copolymer and a dispersion phase (an island phase) comprising a thermoplastic elastomer and a curing agent (B) and in which the total amount of a thermosetting elastomer (a-2) constituting the dispersion phase is in the range of 0.5 to 20 parts by weight with respect to 100 parts by weight of the resin composition (A). This powder coating composition is excellent in chipping resistance, impact resistance, weathering resistance and appearance properties, and it is particularly suitable for the coating of vehicles.

    摘要翻译: 一种热固性粉末涂料组合物,其包含具有由包含丙烯酸共聚物的连续相(海相)和包含热塑性弹性体的分散相(岛相)构成的海岛型微相分离结构的树脂组合物(A) 固化剂(B),其中构成分散相的热固性弹性体(a-2)的总量相对于树脂组合物(A)100重量份为0.5〜20重量份, 。 该粉末涂料组合物的耐崩裂性,耐冲击性,耐候性和外观性能优异,特别适用于车辆涂料。

    Thermosetting powder coating composition
    9.
    发明授权
    Thermosetting powder coating composition 失效
    热固性粉末涂料组合物

    公开(公告)号:US06875815B2

    公开(公告)日:2005-04-05

    申请号:US10445830

    申请日:2003-05-28

    CPC分类号: C09D163/00 C08L2666/04

    摘要: 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.

    摘要翻译: 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。