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    • 1. 发明授权
    • Reinforcing fiber base material for preforms, process for the production of laminates thereof, and so on
    • 用于预成型件的增强纤维基材,用于生产其层压材料的方法等
    • US08236410B2
    • 2012-08-07
    • US12280903
    • 2007-02-21
    • Tomoyuki ShinodaSatoru NagaokaNobuo Asahara
    • Tomoyuki ShinodaSatoru NagaokaNobuo Asahara
    • B32B7/02
    • B32B5/26B29B11/16B29C43/36B29C43/3642B29C70/20B29C70/202B29C70/226B29C70/443B29C70/46B29C2043/3644B29C2043/3652B29K2105/0854D04H3/04Y10T428/24942
    • The invention provides (1) a reinforcing fiber base material having a weave constituted of both reinforcing fiber filaments arranged in one direction in parallel with each other and auxiliary yarns arranged in another direction, which satisfies the relationship: L=H/cos θ (wherein L is the length of auxiliary yarn covering one reinforcing fiber filament and H is the width of the filament as determined in such a state where the reinforcing fiber filaments are unified only with the auxiliary yarns; and 3°≦θ (in-plane shear strain)≦30°) and wherein 2 g/m2 to 40 g/m2 of an adhesive resin having a glass transition temperature between 0° C. and 95° C. is adhesed to at least one side thereof in spots, lines, or discontinuous lines; (2) a laminate obtained by laminating layers of the above reinforcing fiber base material, wherein the adhesive resin adhesed to each layer of base material partially bonds to a facing layer of base material over the whole surface thereof, with the maximum length of each bonding joint being not less than 1 mm and not more than the width H of a reinforcing fiber filament; and (3) a preform, obtained by shaping the laminate, having a reinforcing fiber volume fraction (Vpf) of 45% to 62%.
    • 本发明提供(1)一种增强纤维基材,其具有由沿彼此平行的一个方向布置的增强纤维丝和沿另一方向布置的辅助纱构成的织物,其满足以下关系:L = H / cos& (其中L是覆盖一根增强纤维长丝的辅助丝的长度,H是在增强纤维丝仅与辅助丝一体化的状态下确定的H的宽度;以及3°& 平面剪切应变)≦̸ 30°),其中玻璃化转变温度在0℃至95℃之间的粘合剂树脂的2g / m 2至40g / m 2在其至少一个侧面上粘附 ,线或不连续线; (2)通过层叠上述增强纤维基材的层叠体,其中粘附到每层基材的粘合剂树脂在其整个表面上部分地粘合到基材的面层,每个粘合的最大长度 接头不小于1mm且不大于增强纤维丝的宽度H; 和(3)通过成形层叠体得到的预成型体,其具有45%〜62%的增强纤维体积分数(Vpf)。
    • 4. 发明申请
    • REINFORCING FIBER BASE MATERIAL FOR PREFORMS, PROCESS FOR THE PRODUCTION OF LAMINATES THEREOF, AND SO ON
    • 用于预制件的纤维基材料,用于生产层压板的方法等等
    • US20090068428A1
    • 2009-03-12
    • US12280903
    • 2007-02-21
    • Tomoyuki ShinodaSatoru NagaokaNobuo Asahara
    • Tomoyuki ShinodaSatoru NagaokaNobuo Asahara
    • B32B7/14
    • B32B5/26B29B11/16B29C43/36B29C43/3642B29C70/20B29C70/202B29C70/226B29C70/443B29C70/46B29C2043/3644B29C2043/3652B29K2105/0854D04H3/04Y10T428/24942
    • The invention provides (1) a reinforcing fiber base material having a weave constituted of both reinforcing fiber filaments arranged in one direction in parallel with each other and auxiliary yarns arranged in another direction, which satisfies the relationship: L=H/cos θ (wherein L is the length of auxiliary yarn covering one reinforcing fiber filament and H is the width of the filament as determined in such a state where the reinforcing fiber filaments are unified only with the auxiliary yarns; and 3°≦θ (in-plane shear strain)≦30°) and wherein 2 g/m2 to 40 g/m2 of an adhesive resin having a glass transition temperature between 0° C. and 95° C. is adhesed to at least one side thereof in spots, lines, or discontinuous lines; (2) a laminate obtained by laminating layers of the above reinforcing fiber base material, wherein the adhesive resin adhesed to each layer of base material partially bonds to a facing layer of base material over the whole surface thereof, with the maximum length of each bonding joint being not less than 1 mm and not more than the width H of a reinforcing fiber filament; and (3) a preform, obtained by shaping the laminate, having a reinforcing fiber volume fraction (Vpf) of 45% to 62%.
    • 本发明提供(1)一种增强纤维基材,其具有由沿彼此平行的一个方向布置的增强纤维丝和沿另一方向布置的辅助纱构成的织物,其满足以下关系:L = H /cosθ(其中 L是覆盖一根增强纤维长丝的辅助纱线的长度,H是在增强纤维丝仅与辅助纱线一体化的状态下确定的H的宽度;以及3°(θ) 应变)<= 30°),并且其中玻璃化转变温度在0℃和95℃之间的粘合剂树脂的2g / m 2至40g / m 2在其至少一侧以点,线, 或不连续线; (2)通过层叠上述增强纤维基材的层叠体,其中粘附到每层基材的粘合剂树脂在其整个表面上部分地粘合到基材的面层,每个粘合的最大长度 接头不小于1mm且不大于增强纤维丝的宽度H; 和(3)通过成形层叠体得到的预成型体,其具有45%〜62%的增强纤维体积分数(Vpf)。