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    • 13. 发明专利
    • Method for producing sizing agent-coated carbon fiber
    • 生产尺寸涂层碳纤维的方法
    • JP2012144831A
    • 2012-08-02
    • JP2011248236
    • 2011-11-14
    • Toray Ind Inc東レ株式会社
    • KOBAYASHI DAIGONAKAYAMA YOSHIBUMIKAMAE TOSHIYAENDO MAKOTO
    • D06M15/55D06M13/285D06M13/288
    • PROBLEM TO BE SOLVED: To provide a method for producing sizing agent-coated carbon fiber having good adhesiveness between carbon fiber and a matrix resin and having excellent high-order processability.SOLUTION: A method for producing sizing agent-coated carbon fiber comprises steps of: coating carbon fiber with a sizing agent, obtained by mixing 100 parts by mass of a component (A), that is, an epoxy compound (A1) having two or more epoxy groups and/or an epoxy compound (A2) having one or more epoxy groups and at least one or more functional groups selected from the group consisting of an unsaturated group, a hydroxyl group, an amide group, an imide group, a urethane group, a urea group, a sulfonyl group and sulfo group, with 0.1 to 25 parts by mass of a component (B) of quarternary phosphonium salt and/or phosphine; and heating the resultant carbon fiber at a temperature of 160 to 260°C for 30 to 600 seconds.
    • 解决问题的方法:提供一种在碳纤维和基体树脂之间具有良好粘着性的上胶剂涂布碳纤维的制造方法,并且具有优异的高阶加工性。 制造施胶剂涂覆碳纤维的方法包括以下步骤:通过将100质量份组分(A)即环氧化合物(A1)混合而获得的施胶剂涂覆碳纤维, 具有两个以上环氧基和/或具有一个或多个环氧基的环氧化合物(A2)和选自不饱和基,羟基,酰胺基,酰亚胺基中的至少一个或多个官能团 氨基甲酸酯基,脲基,磺酰基和磺基,和0.1〜25质量份的季铵盐和/或膦的(B)成分; 在160〜260℃的温度下加热所得碳纤维30〜600秒。 版权所有(C)2012,JPO&INPIT