PAPER COMPRISING PIPD FLOC AND PROCESS FOR MAKING THE SAME
    4.
    发明申请
    PAPER COMPRISING PIPD FLOC AND PROCESS FOR MAKING THE SAME 失效
    包含PIPD FLOC的纸张及其制造方法

    公开(公告)号:US20090250181A1

    公开(公告)日:2009-10-08

    申请号:US12084007

    申请日:2006-12-19

    Inventor: Mikhail R. Levit

    CPC classification number: D21H13/26 D21H15/02 D21H21/18

    Abstract: The invention concerns a paper comprising polypyridobisimidazole floc having a length of from 1.0 to 15 mm, where the apparent density of the paper is from 0.1 to 0.4 g/cm3 and the tensile strength of the paper in lb/in is at least 0.000052×X*Y, where X is the volume portion of polypyridobisimidazole in the total solids of the paper in % and Y is basis weight of the paper in g/m2.

    Abstract translation: 本发明涉及一种纸,其包含长度为1.0至15mm的聚吡啶二咪唑絮体,其中纸张的表观密度为0.1至0.4g / cm 3,纸张的拉伸强度为lb / in至少为0.000052×X * Y,其中X是聚酰胺二咪唑在纸的总固体中的体积百分比,Y是纸的单位面积重量/ g。

    Friction Papers Comprising Pipd Fiber
    5.
    发明申请
    Friction Papers Comprising Pipd Fiber 失效
    包含Pipd纤维的摩擦纸

    公开(公告)号:US20090151884A1

    公开(公告)日:2009-06-18

    申请号:US12084025

    申请日:2006-12-19

    CPC classification number: D21H13/20 F16D69/026 F16D2200/0095

    Abstract: The invention concerns a paper comprising (a) 40 to 70 parts by weight of polypyridobisimidazole fiber, polypyridobisimidazole pulp, or mixtures thereof and (b) 30 to 60 parts by weight of friction modifiers, structural resins, wet-strength resins, processing aids, fillers, and mixtures thereof; the parts by weight being based on the total amount of a) and b) in the paper.

    Abstract translation: 本发明涉及一种纸,其包含(a)40至70重量份的聚吡啶双咪唑纤维,聚吡啶二咪唑纸浆或其混合物,和(b)30至60重量份的摩擦改进剂,结构树脂,湿强度树脂,加工助剂, 填料及其混合物; 重量份数以纸张中a)和b)的总量为基础。

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