具有高强度的双组分组合物

文档序号:1894662 发布日期:2021-11-26 浏览:7次 >En<

阅读说明:本技术 具有高强度的双组分组合物 (Two-component composition having high strength ) 是由 K·曼耐克 F·肖非特 U·斯塔德尔曼 于 2020-05-28 设计创作,主要内容包括:本发明涉及包含如下的组合物:-至少一种含硅烷基团的聚合物,所述聚合物的硅含量在0.6至2重量%的范围内并且通过至少一种含异氰酸酯基团的聚合物和至少一种氨基硅烷、巯基硅烷或羟基硅烷的反应获得,-至少一种液体环氧树脂,和-至少一种具有至少三个对环氧基团有反应性的胺氢的多胺。所述组合物实现的粘合剂、涂料或浇注料具有良好的储存稳定性,即使在湿或潮的条件下都能迅速固化,具有出人意料的高强度和高可拉伸性、高抗撕裂蔓延性、高耐受性(特别是相对于醇/水混合物)和在许多基材上的高粘合力,其中在用在诸如钢或铝的金属上时所述组合物保护金属免受腐蚀。(The present invention relates to a composition comprising: -at least one polymer containing silane groups, the silicon content of the polymer being in the range of 0.6 to 2 wt.% and being obtained by reaction of at least one isocyanate group-containing polymer and at least one aminosilane, mercaptosilane or hydroxysilane, -at least one liquid epoxy resin, and-at least one polyamine having at least three amine hydrogens reactive towards epoxide groups. The compositions achieve adhesives, coatings or casting materials with good storage stability, cure rapidly even under wet or damp conditions, have unexpectedly high strength and drawability, high tear propagation resistance, high resistance (especially with respect to alcohol/water mixtures), and high adhesion on many substrates, where the compositions protect metals from corrosion when used on metals such as steel or aluminum.)

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