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    • 3. 发明申请
    • ONE-COMPONENT, WATERBORNE FILM-FORMING COMPOSITION
    • 单组分,水溶性成膜组合物
    • WO2003099897A1
    • 2003-12-04
    • PCT/US2003/015724
    • 2003-05-20
    • PPG INDUSTRIES OHIO, INC.
    • SWARUP, ShantiDAU, Thi Bach-Phuong
    • C08G18/63
    • C08G18/631C08G18/0823C08G18/80C09D175/06Y10T428/31551
    • A film-forming composition that includes a stable aqueous dispersion of a mixture of a polyester polyol and a carboxylic acid-containing acrylic polymer polyol and a crosslinking agent having functional groups reactive with hydroxyl groups. The weight ratio of polyester polyol to acrylic polymer polyol is in the range of 10:90 to 30:70. The crosslinking agent is one or more blocked isocyanates or aminoplasts. The equivalent ratio of hydroxyl groups to reactive functional groups on the crosslinking agent is from 0.8:1 to 1.7:1. The film forming composition can be used in multi-layer composite coating compositions that include a base coat layer and a substantially pigment-free topcoat deposited over at least a portion of the base coat layer, the topcoat composition including the present film-forming composition.
    • 一种成膜组合物,其包含聚酯多元醇和含羧酸的丙烯酸类聚合物多元醇的混合物的稳定的水性分散体和具有与羟基反应的官能团的交联剂。 聚酯多元醇与丙烯酸类聚合物多元醇的重量比在10:90至30:70的范围内。 交联剂是一种或多种封闭的异氰酸酯或氨基塑料。 交联剂上羟基与反应性官能团的当量比为0.8:1至1.7:1。 成膜组合物可以用于多层复合涂料组合物中,其包括底涂层和沉积在底涂层的至少一部分上的基本上无颜料的顶涂层,所述面漆组合物包括本发明的成膜组合物。
    • 4. 发明申请
    • LOW TEMPERATURE CURABLE, TWO-COMPONENT, WATERBORNE FILM-FORMING COMPOSITION
    • 低温可固化,双组分,水膜成膜组合物
    • WO2003099892A1
    • 2003-12-04
    • PCT/US2003/016025
    • 2003-05-20
    • PPG INDUSTRIES OHIO, INC.
    • SWARUP, ShantiDAU, Thi Bach-Phuong
    • C08G18/08
    • C08G18/631C08G18/0823C08G18/792C09D175/06Y10T428/31551
    • A waterborne film-forming composition is provided that includes a stable aqueous dispersion of a mixture of a polyester polyol and a carboxylic acid-containing acrylic polymer polyol having a weight ratio of polyester polyol to acrylic polymer polyol in the range of 10:90 to 30:70; and a polyisocyanate crosslinking agent where the equivalent ratio of hydroxyl groups to isocyanate groups is from 0.8:1 to 1.7:1. The polyol component is prepared by polymerizing a mixture of ethylenically unsaturated polymerizable monomers that includes at least one carboxylic acid group-containing monomer; at least one primary alcohol group-containing monomer; and at least one glycidyl ester of an aliphatic saturated monocarboxylic acid in the presence of at least one polyester polyol. Multi-layer composite coatings and coated substrates are also provided.
    • 提供一种水性成膜组合物,其包含聚酯多元醇和含有聚酯多元醇与丙烯酸聚合物多元醇的重量比在10:90至30的范围内的含羧酸的丙烯酸聚合物多元醇的混合物的稳定的水性分散体 :70; 和其中羟基与异氰酸酯基的当量比为0.8:1至1.7:1的多异氰酸酯交联剂。 通过聚合包含至少一种含羧酸基团的单体的烯属不饱和可聚合单体的混合物来制备多元醇组分; 至少一种含伯醇基的单体; 和至少一种脂肪族饱和一元羧酸的缩水甘油酯在至少一种聚酯多元醇的存在下进行。 还提供了多层复合涂层和涂覆的基材。