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    Flexible aminoplast-curable film-forming compositions and composite coating
    2.
    发明授权
    Flexible aminoplast-curable film-forming compositions and composite coating 失效
    柔性氨基塑料固化成膜组合物和复合涂层

    公开(公告)号：US5976701A

    公开(公告)日：1999-11-02

    申请号：US770195

    申请日：1996-12-19

    申请人： Steven V. Barancyk ,  Christopher A. Verardi ,  Gina M. Terrago

    发明人： Steven V. Barancyk ,  Christopher A. Verardi ,  Gina M. Terrago

    IPC分类号： C08G18/46 ,  C08G18/50 ,  C08G65/333 ,  C08G71/00 ,  C08L61/20 ,  C08L71/02 ,  C09D171/02 ,  C09D201/06 ,  C08L33/14 ,  C08L67/02 ,  C08L75/04

    CPC分类号： C09D171/02 ,  C08G18/4615 ,  C08G18/5045 ,  C08G65/33344 ,  C08G71/00 ,  C08L71/02 ,  C09D201/06 ,  C08L61/20 ,  Y10T428/31551 ,  Y10T428/31565 ,  Y10T428/31573 ,  Y10T428/31786 ,  Y10T428/31794 ,  Y10T428/31797 ,  Y10T428/31855 ,  Y10T428/31909 ,  Y10T428/31942

    摘要： A flexible, aminoplast-curable film-forming composition can serve as a transparent coating composition for a multi-component composite coating composition having the transparent coating on a pigmented or colored base coat. The film-forming composition comprises at least two polymeric components. One is a polyether polymer containing a plurality of terminal and/or pendant carbamate groups of the structure: ##STR1## Another is at least one additional carbamate functional polymer along with urethane oligomer or is a polyurethane polyol. The former include carbamate functional polyester, acrylic polymer, and polyurethane, where each contains a plurality of terminal and/or pendant carbamate groups of the Structure I depicted above. Also the urethane oligomers has a plurality of carbamate groups of Structure I that are pendant and/or terminal. The latter polyurethane polyol has a plurality of pendant and/or terminal hydroxyl groups and optionally can be used with the urethane polyol and/or any of the aforementioned carbamate functional polymers. Optionally an additional polymer that is present is an acrylic polymer containing a plurality of amide groups with or without a plurality of terminal and/or pendant carbamate groups of Structure I. Also with the presence of the amide functional acrylic polymer, silica can be employed. Additionally for crosslinking the film-forming composition contains an aminoplast crosslinking agent.

    摘要翻译： 柔性的可固化氨基塑料的成膜组合物可用作多色复合涂料组合物的透明涂料组合物，该涂料组合物在着色或着色的底涂层上具有透明涂层。 成膜组合物包含至少两种聚合物组分。 一种是含有多个结构的末端和/或侧氨基甲酸酯基团的聚醚聚合物：另一种是至少一种另外的氨基甲酸酯官能聚合物以及氨基甲酸酯低聚物或者是聚氨酯多元醇。 前者包括氨基甲酸酯官能聚酯，丙烯酸聚合物和聚氨酯，其中每个包含上述结构I的多个末端和/或氨基甲酸酯侧基。 此外，氨基甲酸酯低聚物还具有多个结构I的氨基甲酸酯基团和/或末端。 后一种聚氨酯多元醇具有多个侧基和/或末端羟基，并且任选地可以与氨基甲酸酯多元醇和/或任何上述氨基甲酸酯官能聚合物一起使用。 任选地，存在的另外的聚合物是含有多个具有或不具有结构I的末端和/或侧氨基甲酸酯基团的酰胺基团的丙烯酸聚合物。还可以使用二氧化硅。 另外为了交联，成膜组合物含有氨基塑料交联剂。

    Humidity resistant aqueous urethane resins based on hydrophobic polyhydroxy compounds and coatings
    3.
    发明授权
    Humidity resistant aqueous urethane resins based on hydrophobic polyhydroxy compounds and coatings 失效
    基于疏水多羟基化合物和涂料的耐湿水性聚氨酯树脂

    公开(公告)号：US6087444A

    公开(公告)日：2000-07-11

    申请号：US718284

    申请日：1996-09-20

    申请人： Shanti Swarup ,  Anbazhagan Natesh ,  Gina M. Terrago ,  Cathy A. Taylor

    发明人： Shanti Swarup ,  Anbazhagan Natesh ,  Gina M. Terrago ,  Cathy A. Taylor

    IPC分类号： C08G18/08 ,  C08G18/32 ,  C08G18/42 ,  C09D175/04 ,  C08L75/04 ,  C09D175/06

    CPC分类号： C08G18/4291 ,  C08G18/0823 ,  C08G18/3221 ,  C09D175/04

    摘要： A water reducible polyurethane resin for use in coating compositions is provided with humidity resistance at relatively low cost by employing a urethane prepolymer which is the reaction product of (i) a polyisocyanate, (ii) a polyhydroxy compound which is the reaction product of an organic acid and an epoxy compound, at least one of which includes a hydrocarbon group of at least six carbon atoms, and (iii) a monomer having an anionic group and functionality reactive with isocyanate. Preferred embodiments employ C.sub.36 dimer diacid and the propylene oxide ester of neodecanoic acid to make the polyhydroxy compound.

    摘要翻译： 通过使用作为（i）多异氰酸酯的反应产物的氨基甲酸酯预聚物，（ii）作为有机物的反应产物的多羟基化合物，以相对较低的成本提供耐水性降低的聚氨酯树脂 酸和环氧化合物，其中至少一个包括至少6个碳原子的烃基，和（iii）具有阴离子基团的单体和与异氰酸酯反应的官能度。 优选的实施方案使用C36二聚体二酸和新癸酸的环氧丙烷酯来制备多羟基化合物。