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    • 4. 发明授权
    • Thermally hardenable epoxy resin composition having an improved impact resistance at low temperatures
    • 在低温下具有改善的耐冲击性的热固化性环氧树脂组合物
    • US09221969B2
    • 2015-12-29
    • US10538877
    • 2003-12-17
    • Andreas KramerJurgen Finter
    • Andreas KramerJurgen Finter
    • C08L63/00C08G59/28C09J163/00
    • C08L63/00C08G59/28C08L2666/22C09J163/00
    • The invention relates to compositions containing at least one epoxide adduct A that comprises an average of more than one epoxide group per molecule, at least one polymer B of formula (I), at least one thixotropic agent C based on a urea derivative in a non-diffusing carrier material, and at least one hardener D for epoxy resins, which is activated at an increased temperature. Said composition is used especially as an adhesive and is provided with an extraordinarily high impact peel working value, especially at low temperatures. The invention further relates to epoxide group-terminal impact strength modifiers of formula (I), which significantly increase the impact resistance in epoxy resin compositions, particularly two-component epoxy resin compositions.
    • 本发明涉及至少一种包含至少一种环氧化物加合物A的组合物,其每分子平均含有多于一个环氧基团,至少一种式(I)的聚合物B,至少一种基于非衍生物的脲衍生物的触变剂C, 以及至少一种用于环氧树脂的硬化剂D,其在升高的温度下被活化。 所述组合物特别用作粘合剂,并且具有特别高的冲击剥离工作值,特别是在低温下。 本发明还涉及式(I)的环氧基团 - 末端冲击强度改性剂,其显着提高了环氧树脂组合物,特别是双组分环氧树脂组合物的耐冲击性。