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    • 5. 发明授权
    • Aqueous coating composition based on low-solvent modified epoxy resin
dispersions
    • 基于低溶剂改性环氧树脂分散体的水性涂料组合物
    • US5708058A
    • 1998-01-13
    • US719647
    • 1996-09-25
    • Armin PfeilBernhard Stengel-RutkowskiClaus Godau
    • Armin PfeilBernhard Stengel-RutkowskiClaus Godau
    • C08G59/04C08G59/06C08G59/14C09D4/06C09D163/00C09J163/00C08K3/20
    • C09D163/00C08G59/04C08G59/066C08G59/145C09D4/06Y10T428/31511
    • Aqueous low-solvent coating compositions comprising a modified epoxy resin dispersion comprising an epoxy resin which is prepared by condensation of one or more epoxide compounds having at least two epoxide groups per molecule with an aromatic polyol; a dispersant comprising a condensation product of an aliphatic polyol and an epoxide compound having at least two epoxide groups per molecule; a diluent consisting of ethylenically unsaturated otherwise inert or, if desired, functional monomers capable of free-radical polymerization or copolymerization, and water, and also an aqueous curing agent for the modified epoxy resin (I), which is suitable for curing at room temperature or at elevated temperatures (forced drying), components (I) and (II) being employed in proportions by mass such that the ratio of the number of epoxide groups which are capable of reaction to the number of amine hydrogen atoms is between 1:0.75 and 1:2. The coating compositions can be employed to produce matt coatings and in adhesives.
    • 包含改性环氧树脂分散体的水性低溶剂涂料组合物,其包含通过一种或多种每分子具有至少两个环氧基团的芳族化合物与芳族多元醇缩合制备的环氧树脂; 分散剂,其包含每分子具有至少两个环氧基团的脂族多元醇和环氧化合物的缩合产物; 由烯键式不饱和或惰性的(如果需要的话)能够进行自由基聚合或共聚的官能单体和水,以及适于在室温下固化的改性环氧树脂(I)的水性固化剂的稀释剂组成的稀释剂 或在升高的温度下(强制干燥),组分(I)和(II)按质量比使用,使得能够与胺氢原子数反应的环氧化物基团的数量的比例为1:0.75 和1:2。 涂料组合物可用于生产无光泽涂料和粘合剂。