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    • 6. 发明公开
    • EPOXY COMPOSITION CONTAINING ACRYLATE BASED TOUGHENING AGENT
    • 含丙烯酸酯增韧剂的环氧组合物
    • EP3207073A1
    • 2017-08-23
    • EP15784246.9
    • 2015-10-08
    • Dow Global Technologies LLC
    • AGUIRRE VARGAS, FabioHEATH, WilliamHEANER, William
    • C08G18/48C08G18/67C09D175/16C08L75/16
    • C08G18/672C08G18/10C08G18/4825C08G18/4866C08G18/6666C08G18/7621C08G59/226C08G59/245C09D5/00C09D5/08C09D163/00C09D175/08C09D175/16C08L63/00C08G18/48C08L75/16
    • A curable composition includes (A) a first component having from 5.0 wt % to 39.0 wt %, based on the total weight of the first component, of a toughening agent component including a Bisphenol F based epoxy resin and an urethane acrylate component, a hardener component having at least one amine based hardener and is present in a ratio of 0.8 to 1.2, based on a number of equivalents of amino hydrogen groups in the hardener component to a number of equivalents of reactive groups in the first component capable of forming a covalent link with the amine reactive groups in the hardener, and an epoxy base component that accounts for a remainder of the total weight of the first component and that has at least one epoxy resin separately provided from the Bisphenol F based epoxy resin. The Bisphenol F based epoxy resin is present in an amount from 2.5 wt % to 50.0 wt % and the urethane acrylate component is present in an amount from 50.0 wt % to 97.5 wt %, based on the total weight of the toughening agent component. The urethane acrylate component includes the capping reaction product of an acrylate and an isocyanate terminated prepolymer and the isocyanate-terminated prepolymer is the reaction product of a polyisocyanate and at least a DMC derived polyol having a molecular weight of at least 3000 g/mol. The curable composition may further include (B) an optional second component that has at least one of a filler and any additional ingredient for a targeted application of the curable composition.
    • 一种可固化组合物,包含:(A)基于第一组分的总重量,具有5.0重量%至39.0重量%的增韧剂组分的第一组分,所述增韧剂组分包括双酚F型环氧树脂和氨基甲酸酯丙烯酸酯组分,硬化剂 组分,其具有至少一种胺基硬化剂并且基于硬化剂组分中的氨基氢基团的当量数量与第一组分中能够形成共价键的反应基团的当量数量以0.8至1.2的比率存在 与硬化剂中的胺反应性基团连接,并且环氧基组分占第一组分总重量的剩余部分,并且具有至少一种由双酚F基环氧树脂单独提供的环氧树脂。 基于增韧剂组分的总重量,双酚F基环氧树脂以2.5重量%至50.0重量%的量存在,氨基甲酸酯丙烯酸酯组分以50.0重量%至97.5重量%的量存在。 氨基甲酸酯丙烯酸酯组分包括丙烯酸酯和异氰酸酯封端的预聚物的封端反应产物,并且异氰酸酯封端的预聚物是多异氰酸酯和至少一种分子量为至少3000g / mol的DMC衍生的多元醇的反应产物。 可固化组合物可进一步包含(B)任选的第二组分,其具有用于可固化组合物的目标应用的填料和任何附加成分中的至少一种。