Polyacetal compositions for use in wear applications
    3.
    发明授权
    Polyacetal compositions for use in wear applications 失效
    用于磨损应用的聚缩醛组合物

    公开(公告)号:US5559180A

    公开(公告)日:1996-09-24

    申请号:US415869

    申请日:1995-04-03

    CPC分类号: C08L59/00 C08L23/08 C08L27/18

    摘要: A polyacetal composition is provided for use in plastic-plastic wear applications, said composition containing about 85 to 99 weight percent polyacetal, about 0 to 5 weight percent polytetrafluoroethylene fibers, about 0.5 to 5 weight percent ethylene methyl acrylate copolymer, and about 0.5 to 5 weight percent of at least one lubricant. The compositions are particularly useful in forming shaped articles for use especially in conveyor chain applications and gear applications.

    摘要翻译: 聚缩醛组合物提供用于塑料 - 塑料磨损应用,所述组合物含有约85-99重量%聚缩醛,约0-5重量%聚四氟乙烯纤维,约0.5-5重量%乙烯丙烯酸甲酯共​​聚物和约0.5-5 至少一种润滑剂的重量百分数。 所述组合物特别可用于形成特别用于输送机链应用和齿轮应用中的成形制品。

    Fine carbon fiber with linearity and resin composite material using the same
    5.
    发明授权
    Fine carbon fiber with linearity and resin composite material using the same 有权
    细碳纤维与线性和树脂复合材料使用相同

    公开(公告)号:US08084121B2

    公开(公告)日:2011-12-27

    申请号:US10555637

    申请日:2004-05-07

    IPC分类号: B32B18/00 B32B27/04 D01F9/12

    摘要: The fine carbon fiber obtained by pulverizing vapor grown fine carbon fiber, each fiber including a hollow space extending along its axis, and having an outer diameter of 1 to 1,000 nm, an aspect ratio of 5 to 1,000, and a BET specific surface area of 2 to 2,000 m2/g, wherein the average interlayer distance (d002) is 0.345 nm or less, and the ratio of the peak height (Id) of the band (e.g. 1,341 to 1,349 cm−1) in a Raman scattering spectrum to that of the peak height (Ig) of the band (e.g. 1,570 to 1,578 cm−1) (Id/Ig) is 0.1 to 2, a bending angle of 30° or less with respect to the axis; a composite material comprising the fine carbon fiber and a resin serving as a matrix, wherein the fine carbon fiber is oriented in one direction through, application of an external force; and a production method and use thereof. The linear fine carbon fiber of the present invention exhibits excellent dispersibility in a matrix and is readily oriented by application of an external force, and therefore, enables to produce a composite material, wherein merely the carbon fiber is or both the fine carbon fiber and the matrix resin are oriented in one direction.

    摘要翻译: 通过粉碎气相生长的细碳纤维而获得的细碳纤维,每个纤维包括沿其轴线延伸的中空空间,外径为1至1000nm,纵横比为5至1,000,BET比表面积为 2〜2000m 2 / g,其中平均层间距离(d002)为0.345nm以下,拉曼散射光谱带的峰高(Id)(例如1,341〜1349cm -1)的比例与 的带的高度(Ig)(例如1,570-1,578cm-1)(Id / Ig)为0.1〜2,相对于轴的弯曲角为30°以下。 包含细碳纤维和用作基质的树脂的复合材料,其中细碳纤维沿一个方向取向,施加外力; 及其制造方法及其用途。 本发明的线状细碳纤维在基体中表现出优异的分散性,并且通过施加外力容易取向,因此能够生产复合材料,其中仅碳纤维为细碳纤维或 基质树脂在一个方向上取向。

    Fine carbon fiber with linearity and resin composite material using the same
    7.
    发明授权
    Fine carbon fiber with linearity and resin composite material using the same 有权
    细碳纤维与线性和树脂复合材料使用相同

    公开(公告)号:US08372511B2

    公开(公告)日:2013-02-12

    申请号:US13312719

    申请日:2011-12-06

    IPC分类号: B32B18/00 B32B27/04

    摘要: A fine carbon fiber having linearity, each fiber filament of the carbon fiber having a bending angle of 30° or less with respect to the longitudinal direction of the fiber filament, and including a hollow space extending along its axis, and having an outer diameter of 1 to 1,000 nm, an aspect ratio of 5 to 1,000, and a BET specific surface area of 2 to 2,000 m2/g, wherein the average interlayer distance (d002) of the carbon fiber at a (002) plane is 0.345 nm or less as measured by means of X-ray diffractometry, and the ratio of the peak height (Id) of the band at 1,341 to 1,349 cm−1 in a Raman scattering spectrum of the carbon fiber to that of the peak height (Ig) of the band at 1,570 to 1,578 cm−1 in the spectrum (Id/Ig) is 0.1 to 2. The fiber exhibits excellent dispersibility in a matrix.

    摘要翻译: 具有线性的细碳纤维,碳纤维的纤维长丝相对于纤维长丝的长度方向具有30°以下的弯曲角度,并且包括沿其轴线延伸的中空空间,并且具有外径 1〜1000nm,长宽比为5〜1000,BET比表面积为2〜2000m 2 / g,其中,(002)面上的碳纤维的平均层间距离(d002)为0.345nm以下 如通过X射线衍射法测定的,并且在碳纤维的拉曼散射光谱中,在1,341〜1349cm -1处的条带的峰高(Id)与峰高(Ig)的峰高 光谱(Id / Ig)中的1570至1,578cm -1的谱带为0.1至2.该纤维在基质中表现出优异的分散性。