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    • 3. 发明授权
    • Water-thinnable coating compositions
    • 水稀释涂料组合物
    • US5352525A
    • 1994-10-04
    • US25335
    • 1993-02-25
    • Klaus HuemkeDieter FaulUlrich Heimann
    • Klaus HuemkeDieter FaulUlrich Heimann
    • C08F299/00C08F283/10C08F290/00C09D4/00C09D4/02C09D5/44C09D175/00C09D175/04C09D201/02B32B15/08
    • C09D5/4488C08F283/10Y10T428/31529
    • Water-thinnable coating compositions useful in electrocoating compriseA. a mixture ofA.sub.1. 50-95% by weight of one or more oligomeric or polymeric polyaddition or polycondensation compounds which have on average a molecular weight of from 200 to 20,000 and contain per molecule at least two hydroxyl groups and at least two primary and/or secondary amino groups, andA.sub.2. 5-50% by weight of a crosslinker that is reactive toward component A.sub.1, andB. a mixture ofB.sub.1. 90-99.9% by weight of one or more radical-polymerizable compounds which have an average molecular weight of from 100 to 10,000 and contain per molecule at least two olefinic double bonds, andB.sub.2. 0.1-10% by weight of a free radical initiator having a decomposition temperature within the range 50-150.degree. C.,the ratio of mixture A to mixture B being from 10:1 to 1:10 and mixture A being substantially chemically inert toward mixture B.
    • 可用于电涂的可水稀释涂料组合物包括A.A1的混合物。 50-95重量%的一种或多种低聚或聚合的加聚或缩聚化合物,其平均分子量为200至20,000,并且每分子含有至少两个羟基和至少两个伯和/或仲氨基, 和A2。 对组分A1反应的交联剂的5-50重量%,以及B.B1的混合物。 90-99.9重量%的一种或多种平均分子量为100至10,000并且每分子含有至少两个烯属双键的可自由基聚合的化合物和B2。 0.1-10重量%的分解温度在50-150℃范围内的自由基引发剂,混合物A与混合物B的比例为10:1至1:10,混合物A基本上是化学惰性的 混合物B.