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    • 92. 发明授权
    • High solids coating compositions containing tetrahydric adduct
    • 含有四羟基加合物的高固含量涂料组合物
    • US4083892A
    • 1978-04-11
    • US698859
    • 1976-06-23
    • Kazys Sekmakas
    • Kazys Sekmakas
    • C09D161/20C08L61/28C08L61/24
    • C09D161/20
    • Essentially solvent-free resinous coating compositions are provided which are sufficiently fluid to permit effective application, and which cure on baking at low temperature to provide hard stain- and detergent-resistant coatings. These are made by copolymerizing monoethylenic monomers including monoethylenic monomer having a functional group reactive with N-methylol functionality and selected from carboxylic acid, hydroxy and amide groups, the copolymerization being carried out in a solvent medium consisting essentially of tetrahydric adduct of propylene oxide with pentaerythritol having a molecular weight of at least about 400. The copolymer solution has added thereto an aminoplast resin to provide a stable solution in which proportions are important so that coatings can be easily applied and cured to provide the desired characteristics without liberating large amounts of volatile material.
    • 提供基本上无溶剂的树脂涂料组合物,其具有足够的流体以允许有效应用,并且其在低温烘烤时固化以提供耐污染和耐洗涤剂的涂层。 这些通过共聚合单体单体,包括具有与N-羟甲基官能团反应的官能团的单烯属单体,并选自羧酸,羟基和酰胺基团,共聚反应在基本上由环氧丙烷的四羟基加合物与季戊四醇组成的溶剂介质中进行 具有至少约400的分子量。共聚物溶液加入氨基塑料树脂以提供其中比例重要的稳定溶液,使得涂层可以容易地施加和固化以提供所需的特性而不释放大量的挥发物质 。