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    • 6. 发明授权
    • Highly crosslinked polymer particles and coating compositions containing the same
    • 高度交联的聚合物颗粒和含有它的涂料组合物
    • US06762240B2
    • 2004-07-13
    • US10126137
    • 2002-04-19
    • Shanti SwarupBrian EndlichM. Frank HaleyCharles M. KaniaKurt G. OlsonEdward S. PagacKaliappa G. Ragunathan
    • Shanti SwarupBrian EndlichM. Frank HaleyCharles M. KaniaKurt G. OlsonEdward S. PagacKaliappa G. Ragunathan
    • C08F21604
    • C08F2/24C09D7/65
    • A latex emulsion that includes crosslinked polymeric microparticles dispersed in an aqueous continuous phase. The microparticles are prepared from a monomer mix of a crosslinking monomer, a monomer having hydrophilic functional groups, and one or more other monomers. Also disclosed is a thermosetting composition that includes a first reactant that has reactive functional groups; a curing agent that has at least two functional groups reactive with the functional groups of the first reactant; and the latex emulsion of crosslinked polymeric microparticles dispersed in an aqueous continuous phase. The thermosetting composition may be used to coat a substrate. The coating may be a multi-layer composite coating that includes a base coat layer deposited from a pigmented film-forming base coat composition containing the thermosetting composition; and a substantially pigment free top coat layer deposited over a portion of the base coat layer from a substantially pigment free top coat composition.
    • 包含分散在水相连续相中的交联聚合物微粒的胶乳乳液。 微粒由交联单体,具有亲水性官能团的单体和一种或多种其它单体的单体混合物制备。 还公开了一种热固性组合物,其包括具有反应性官能团的第一反应物; 具有至少两个与第一反应物的官能团反应的官能团的固化剂; 和分散在水性连续相中的交联聚合物微粒的胶乳乳液。 热固性组合物可用于涂覆基材。 涂层可以是多层复合涂层,其包括由含有热固性组合物的着色成膜底涂层组合物沉积的底涂层; 以及从基本上不含颜料的面漆组合物沉积在基底涂层的一部分上的基本上无颜料的顶涂层。
    • 9. 发明授权
    • Process for forming a waterborne composite polyurethane/acrylic polymer dispersion
    • 形成水性复合聚氨酯/丙烯酸聚合物分散体的方法
    • US08153708B2
    • 2012-04-10
    • US12752372
    • 2010-04-01
    • Shanti Swarup
    • Shanti Swarup
    • C08J3/00
    • C08G18/0823C08G18/2825C08G18/4063C08G18/4238C08G18/6229
    • The present invention provides a process for forming a waterborne composite polyurethane/acrylic polymer dispersion without the use of N-methyl pyrrolidone. The process includes polymerizing a reaction mixture of polyisocyanate, polyol, and a hydroxyl and carboxylic acid functional reactant in an organic solvent medium of alkyl carbonate, then adding ethylenically unsaturated monomers and inverting the mixture into an aqueous medium. Addition polymerization is performed to yield a waterborne composite polyurethane/acrylic polymer dispersion, and any remaining alkyl carbonate is hydrolyzed. The resulting aqueous polymer dispersions are environmentally friendly and are suitable for use in coating compositions that conventionally contained similar dispersions prepared in the presence of N-methyl pyrrolidone. Comparable physical properties are observed.
    • 本发明提供了不使用N-甲基吡咯烷酮形成水性复合聚氨酯/丙烯酸类聚合物分散体的方法。 该方法包括将多异氰酸酯,多元醇和羟基和羧酸官能反应物的反应混合物聚合在碳酸烷基酯的有机溶剂介质中,然后加入烯属不饱和单体并将混合物倒入水性介质中。 进行加成聚合以产生水性复合聚氨酯/丙烯酸聚合物分散体,并且任何残留的碳酸烷基酯都被水解。 所得水性聚合物分散体是环境友好的,并且适用于常规含有在N-甲基吡咯烷酮存在下制备的相似分散体的涂料组合物。 观察到相当的物理性质。
    • 10. 发明申请
    • PROCESS FOR FORMING A WATERBORNE COMPOSITE POLYURETHANE/ACRYLIC POLYMER DISPERSION
    • 形成水性复合聚氨酯/丙烯酸聚合物分散体的方法
    • US20110245415A1
    • 2011-10-06
    • US12752372
    • 2010-04-01
    • Shanti Swarup
    • Shanti Swarup
    • C08G18/08
    • C08G18/0823C08G18/2825C08G18/4063C08G18/4238C08G18/6229
    • The present invention provides a process for forming a waterborne composite polyurethane/acrylic polymer dispersion without the use of N-methyl pyrrolidone. The process includes polymerizing a reaction mixture of polyisocyanate, polyol, and a hydroxyl and carboxylic acid functional reactant in an organic solvent medium of alkyl carbonate, then adding ethylenically unsaturated monomers and inverting the mixture into an aqueous medium. Addition polymerization is performed to yield a waterborne composite polyurethane/acrylic polymer dispersion, and any remaining alkyl carbonate is hydrolyzed. The resulting aqueous polymer dispersions are environmentally friendly and are suitable for use in coating compositions that conventionally contained similar dispersions prepared in the presence of N-methyl pyrrolidone. Comparable physical properties are observed.
    • 本发明提供了不使用N-甲基吡咯烷酮形成水性复合聚氨酯/丙烯酸类聚合物分散体的方法。 该方法包括将多异氰酸酯,多元醇和羟基和羧酸官能反应物的反应混合物聚合在碳酸烷基酯的有机溶剂介质中,然后加入烯属不饱和单体并将混合物倒入水性介质中。 进行加成聚合以产生水性复合聚氨酯/丙烯酸聚合物分散体,并且任何残留的碳酸烷基酯都被水解。 所得水性聚合物分散体是环境友好的,并且适用于常规含有在N-甲基吡咯烷酮存在下制备的相似分散体的涂料组合物。 观察到相当的物理性质。