SIZING AGENT-COATED CARBON FIBER BUNDLE, METHOD FOR MANUFACTURING SAME, PREPREG, AND CARBON FIBER-REINFORCED COMPOSITE MATERIAL
    1.
    发明公开
    SIZING AGENT-COATED CARBON FIBER BUNDLE, METHOD FOR MANUFACTURING SAME, PREPREG, AND CARBON FIBER-REINFORCED COMPOSITE MATERIAL 审中-公开
    上浆剂涂覆的碳纤维束,其制造方法,预浸料和碳纤维增强复合材料

    公开(公告)号:EP3208376A1

    公开(公告)日:2017-08-23

    申请号:EP16740029.0

    申请日:2016-01-13

    摘要: Provided are a sizing agent coated carbon fiber bundle that has excellent mechanical characteristics when used as a carbon fiber reinforced composite material, as well as excellent ease of handling; a method for manufacturing the same; and a prepreg and carbon fiber reinforced composite material of excellent mechanical characteristics, employing the fiber bundle. The carbon fiber bundle is coated with a sizing agent that includes a polyether aliphatic epoxy compound having two or more epoxy groups per molecule and/or a polyol aliphatic epoxy compound or a non-water-soluble compound having a glass transition temperature of -100-50°C, wherein the sizing agent coated carbon fiber bundle is characterized in that the flatness ratio (width/thickness) of the carbon fiber bundle cross section is 10-150, and a two edge part/center part sizing agent deposition ratio, obtained by dividing the carbon fiber bundle in the width direction along the fiber direction into three equal parts by mass, and computing the ratio from the ratio of the mass of the sizing agent to the mass of the carbon fiber bundle in the center part and in both end parts, is 1.05-1.5.

    摘要翻译: 本发明提供涂布了上浆剂的碳纤维束作为碳纤维强化复合材料时的机械特性优异,操作性优异, 其制造方法; 以及使用该纤维束的机械特性优异的预浸料和碳纤维增强复合材料。 碳纤维束用包含每分子具有两个或更多个环氧基团的聚醚脂肪族环氧化合物和/或多元醇脂肪族环氧化合物或玻璃化转变温度为-100℃的非水溶性化合物的上浆剂涂布, 50℃,其中,上浆剂涂覆的碳纤维束的特征在于,碳纤维束横截面的平坦度比(宽度/厚度)为10-150,并且获得两边缘部分/中心部分上浆剂沉积比率 通过将碳纤维束沿纤维方向的宽度方向分割成三个质量份,并计算中心部分和两者中的上浆剂质量与碳纤维束质量之比 端部,为1.05-1.5。