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Low VOC water-based epoxy coatings

机译:低VOC水性环氧涂料

摘要

An aqueous multi-component epoxy coating composition having less than 3% by weight of VOCs and curable upon admixing the components comprises (a) a first component of (i) a stable epoxy dispersion of an epoxy resin, from 5 to 20 weight percent of a mixture of surfactants comprising a low temperature nonionic surfactant having a molecular weight of from 1,000 to 7,000; a high temperature nonionic surfactant having a molecular weight of greater than 7,000 to 20,000 and an anionic surfactant, and (b) a second component of (i) a water miscible polyamine, wherein the composition further contains an associative thickener as well as thixotropic clay and/or a cellulosic thickener as additional thickener(s).
机译:具有小于3重量%的VOC且可在混合所述组分时可固化的水性多组分环氧涂料组合物包含(a)第一组分(i)稳定的环氧树脂的环氧分散体,其为5至20重量%的表面活性剂的混合物,其包含分子量为1,000至7,000的低温非离子表面活性剂;分子量大于7,000至20,000的高温非离子表面活性剂和阴离子表面活性剂,以及(b)(i)与水混溶的多胺的第二种成分,其中该组合物还包含缔合性增稠剂以及触变粘土和/或纤维素增稠剂作为其他增稠剂。

著录项

  • 公开/公告号US8067486B1

    专利类型

  • 公开/公告日2011-11-29

    原文格式PDF

  • 申请/专利权人 WENDY ZHAO;

    申请/专利号US20100692932

  • 发明设计人 WENDY ZHAO;

    申请日2010-01-25

  • 分类号C08K3/20;C08L63/02;

  • 国家 US

  • 入库时间 2022-08-21 17:25:57

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