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    • 1. 发明申请
    • CARBON FIBER REINFORCED COMPOSITE MATERIALS
    • 碳纤维增强复合材料
    • US20120295504A1
    • 2012-11-22
    • US13512716
    • 2010-11-25
    • Masahiko MiyauchiTakahisa IwaharaMasato Kusakabe
    • Masahiko MiyauchiTakahisa IwaharaMasato Kusakabe
    • C08K7/06C08L23/12B32B37/12B32B5/02
    • C08J5/042B29C70/46C08J2351/06Y10T442/2984
    • The invention provides a carbon fiber-reinforced composite material including reinforcing fibers which are continuous carbon fibers in the form of a unidirectional (UD) material, a woven fabric, or a knitted fabric, and a matrix resin including a modified polyolefin resin, thereby achieving better adhesion and mechanical strength. The matrix resin forms a polyphase structure having a sea-island structure which has an average island (independent phase) diameter of not greater than 0.5 μm. The composite material includes as a matrix resin a modified polyolefin resin obtained by, for example, graft-modifying a polyolefin resin with a monomer that contains an ethylenic double bond and a polar group in the same molecule; and includes as reinforcing fibers continuous carbon fibers. For example, the fiber-reinforced composite material is obtained by stacking the modified polyolefin resin and carbon fibers in a mold with a predetermined shape, and impregnating the carbon fibers with the modified polyolefin resin in a molten state under pressure, followed by cooling and curing.
    • 本发明提供一种碳纤维增强复合材料,其包括作为单向(UD)材料,织造织物或针织物形式的连续碳纤维的增强纤维和包含改性聚烯烃树脂的基质树脂,从而实现 更好的附着力和机械强度。 基质树脂形成具有平均岛(独立相))不大于0.5μm的海岛结构的多相结构。 复合材料包括作为基质树脂的改性聚烯烃树脂,其通过例如在同一分子中用含有烯属双键和极性基团的单体接枝改性聚烯烃树脂而获得; 并且包括作为增强纤维的连续碳纤维。 例如,纤维增强复合材料通过将改性聚烯烃树脂和碳纤维堆叠在具有预定形状的模具中,并在压力下在熔融状态下用改性聚烯烃树脂浸渍碳纤维,然后冷却和固化 。