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    • 3. 发明授权
    • Method for producing pitch-based carbon fiber silver and spun yarn
    • 沥青基碳纤维纱条和细纱生产方法
    • US07634840B2
    • 2009-12-22
    • US10582866
    • 2004-12-14
    • Tatsuo KobayashiNaohiro Sonobe
    • Tatsuo KobayashiNaohiro Sonobe
    • D01G27/00
    • D01G15/68
    • A pitch-based carbon fiber sliver providing a high-strength carbon fiber spun yarn is efficiently produced by providing a pitch-based carbon fiber mat comprising a mass of piled-up pitch-based carbon fibers of which fiber extension directions are aligned preferentially in one direction; and directly subjecting the carbon fiber mat to drawing and carding by means of a carding machine while moving the mat in said one preferential alignment direction. The thus-obtained carbon fiber sliver is drawn and twisted to produce a pitch-based carbon fiber spun yarn containing at least 3 wt. % of fibers having a fiber length of at least 150 mm, a number of primary twist of 50-400 turns/m and a tensile strength of at least 0.10 N/tex.
    • 提供高强度碳纤维短纤纱的沥青基碳纤维条通过提供一种基于沥青的碳纤维垫而有效地制成,所述沥青基碳纤维垫包括一堆堆积的沥青类碳纤维,其纤维延伸方向优先于一个 方向; 并且通过梳理机直接对碳纤维毡进行拉伸和梳理,同时沿所述一个优先排列方向移动垫子。 将如此获得的碳纤维纱线拉伸和扭曲,以生产含有至少3重量% 纤维长度至少为150mm,初捻为50-400匝/ m,拉伸强度为至少0.10N / tex的纤维的%。
    • 4. 发明授权
    • Carbon fiber spun yarn and woven fabric thereof
    • 碳纤维纺纱及其机织织物
    • US07610743B2
    • 2009-11-03
    • US10581254
    • 2004-11-30
    • Tatsuo KobayashiNaohiro Sonobe
    • Tatsuo KobayashiNaohiro Sonobe
    • D02G3/02
    • D02G3/16D02G3/447D03D15/00D10B2101/12D10B2201/24D10B2321/10D10B2401/063D10B2401/16Y10T442/3065
    • A carbon fiber spun yarn, which is a spun yarn of a carbon fiber that has an average (002)-interlayer spacing of 0.340-0.380 nm as measured by X-ray diffraction method, has a specific gravity of 1.55-1.80 as measured by a density gradient tube method, a hydrogen-to carbon atomic ratio (H/C) as measured by elementary analysis of at most 0.1 and contains 3-30 wt. % of carbon fiber having a fiber length of at least 150 mm, wherein the spun yarn has a weight per 1000 m (tex) of 30-150 g, a number of primary twist of 50-400 turns/m and a tensile strength of at least 0.15 N/tex. The carbon fiber spun yarn may be woven to provide a carbon fiber woven fabric suitable as a gas diffuser (electroconductive substrate) of a solid polymer electrolyte fuel cell.
    • 作为通过X射线衍射法测定的平均(002) - 间隔间隔为0.340〜3.80nm的碳纤维的短纤纱的碳纤维纱线,其比重为1.55〜1.80,通过 密度梯度管法,通过元素分析测量的至多0.1的氢 - 碳原子比(H / C),含有3-30wt。 纤维长度至少为150mm的碳纤维的%,其中,所述纺织纱线的每1000m(tex)的重量为30〜150g,初捻为50-400匝/ m,拉伸强度为 至少0.15N / tex。 可以将碳纤维短纤维织物编织,以提供适合作为固体聚合物电解质燃料电池的气体扩散器(导电基材)的碳纤维织物。
    • 7. 发明申请
    • Method for producing pitch-based carbon fiber sliver and spun yarn
    • 沥青基碳纤维纱条和细纱生产方法
    • US20070145620A1
    • 2007-06-28
    • US10582866
    • 2004-12-14
    • Tatsuo KobayashiNaohiro Sonobe
    • Tatsuo KobayashiNaohiro Sonobe
    • D01F9/12
    • D01G15/68
    • A pitch-based carbon fiber sliver providing a high-strength carbon fiber spun yarn is efficiently produced by providing a pitch-based carbon fiber mat comprising a mass of piled-up pitch-based carbon fibers of which fiber extension directions are aligned preferentially in one direction; and directly subjecting the carbon fiber mat to drawing and carding by means of a carding machine while moving the mat in said one preferential alignment direction. The thus-obtained carbon fiber sliver is drawn and twisted to produce a pitch-based carbon fiber spun yarn containing at least 3 wt. % of fibers having a fiber length of at least 150 mm, a number of primary twist of 50-400 turns/m and a tensile strength of at least 0.10 N/tex.
    • 提供高强度碳纤维短纤纱的沥青基碳纤维条通过提供一种基于沥青的碳纤维垫而有效地制成,所述沥青基碳纤维垫包括一堆堆积的沥青类碳纤维,其纤维延伸方向优先于一个 方向; 并且通过梳理机直接对碳纤维毡进行拉伸和梳理,同时沿所述一个优先排列方向移动垫子。 将如此获得的碳纤维纱线拉伸和扭曲,以生产含有至少3重量% 纤维长度至少为150mm,初捻为50-400匝/ m,拉伸强度为至少0.10N / tex的纤维的%。