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    Para-aramide dope of low degree of polymerization, para-aramide fiber and para-aramide pulp produced therefrom and processes for producing the same
    3.
    发明公开
    Para-aramide dope of low degree of polymerization, para-aramide fiber and para-aramide pulp produced therefrom and processes for producing the same 失效
    聚合度低，对位芳纶纤维和对位芳族聚酰胺浆粕的对芳族聚酰胺纺丝原液从中和它们的制备方法。

    公开(公告)号：EP0572002A2

    公开(公告)日：1993-12-01

    申请号：EP93108581.5

    申请日：1993-05-27

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED ,  Akzo Nobel N.V.

    发明人： Takahashi, Tsutomu ,  Sato, Hiroyuki

    IPC分类号： D01F6/60 ,  D01F1/02 ,  D01F1/10 ,  C08L77/10

    CPC分类号： C08J3/096 ,  C08J2377/10 ,  C08L77/10 ,  D01F6/605 ,  D21H13/26 ,  Y10S264/47

    摘要： A para-aramide dope of low degree of polymerisation exhibiting an optical anisotropy containing 4-10% by weight of a para-aramide having an intrinsic viscosity of 1.0-2.5 dl/g and 2-10% by weight of an alkali metal chloride or an alkaline earth metal chloride in a polar amide solvent;
       a process for producing a para-aramide fiber which comprises adding 0.94-0.99 mole of a para-oriented aromatic dicarboxylic acid halide per 1.00 mole of a para-oriented aromatic diamine in a polar amide solvent in which 2-10% by weight of an alkali metal chloride or an alkaline earth metal chloride is dissloved, carrying out a polymerization at a temperature of -20°C to 50°C to form a para-aramide dope of low degree of polymerization exhibiting an optical anisotropy and having a para-aramide concentration of 4-10% by weight, and spinning the dope; and
       a process for producing a para-aramide pulp which comprises cutting the above-mentioned para-aramide fiber into a short fiber, mechanically fibrillating the short fiber with a high shearing force, and thereafter drying the fibrillated short fiber.

    摘要翻译： 低聚合度的对 - 聚芳基酰胺纺丝原液在光学各向异性含4-10％（重量）的具有1.0-2.5分升/克和2-10％的特性粘度对芳族聚酰胺重量的碱金属氯化物或表现出 在极性酰胺溶剂中碱土金属氯化物; 通过纺丝低聚合度的上述对芳族聚酰胺纺丝原液而得到的对芳族聚酰胺纤维; 对芳族聚酰胺纸浆通过切割上述对芳族聚酰胺纤维为短纤维，具有高剪切力原纤化机械短纤维，然后干燥该原纤化的短纤维得到; 用于制备对位芳族聚酰胺纤维，它包括将0.94-0.99摩尔每摩尔对位取向芳族二胺的1点00对位取向芳族二酰卤在极性酰胺溶剂中的方法，其中按重量计的2-10％ 碱金属氯化物或碱土金属氯化物是已溶解，在-20℃的温度下进行聚合至50℃，以形成聚合度低，在光学各向异性参展的对芳族聚酰胺纺丝原液，并具有对芳族聚酰胺 按重量计浓度的4-10％，和纺丝原液纺丝; 和用于产生对芳族聚酰胺纸浆，其包括切割上述对芳族聚酰胺纤维为短纤维，具有高剪切力原纤化机械短纤维，然后进行干燥原纤化的短纤维的方法。

    Prepreg, process for producing the same and printed circuit substrate using the same
    7.
    发明公开
    Prepreg, process for producing the same and printed circuit substrate using the same 失效
    预浸料坯，其制造方法以及使用其的印刷电路基板

    公开(公告)号：EP0768334A3

    公开(公告)日：1997-06-04

    申请号：EP96116329.2

    申请日：1996-10-11

    申请人： SUMITOMO CHEMICAL COMPANY LIMITED

    发明人： Takahashi, Tsutomu ,  Tsujimoto, Yoshifumi ,  Kumada, Hiroaki ,  Sato, Hiroyuki

    IPC分类号： C08J5/24 ,  C08J5/04 ,  H05K1/03

    CPC分类号： B32B15/14 ,  B32B5/022 ,  B32B2260/021 ,  B32B2260/046 ,  B32B2305/026 ,  B32B2457/08 ,  C08J5/04 ,  C08J5/24 ,  H05K1/0366 ,  H05K2201/0116 ,  H05K2201/0129 ,  H05K2201/0278 ,  H05K2201/0293 ,  H05K2201/068 ,  Y10S428/901 ,  Y10S428/902 ,  Y10S428/91 ,  Y10T428/24917 ,  Y10T428/24993 ,  Y10T428/24994 ,  Y10T428/249944 ,  Y10T428/249953 ,  Y10T428/249955 ,  Y10T428/2907 ,  Y10T428/2938 ,  Y10T428/2969 ,  Y10T428/2971 ,  Y10T428/30 ,  Y10T428/31678 ,  Y10T428/31681 ,  Y10T428/31725 ,  Y10T442/2008 ,  Y10T442/2893 ,  Y10T442/2902

    摘要： The present invention provides a lightweight prepreg having uniform formation, low linear thermal expansion coefficient and good mechanical strength, comprising a porous para-oriented aromatic polyamide film and a thermoplastic resin and/or a thermosetting resin, the porous para-oriented aromatic polyamide film being impregnated with the thermoplastic resin and/or the thermosetting resin, a process for producing the same, and a printed circuit substrate/board using the same. A process for producing for producing a prepreg comprising a porous para-oriented aromatic polyamide film and a thermoplastic resin and/or a thermosetting resin, the porous para-oriented aromatic polyamide film being impregnated with the thermoplastic resin and/or thermosetting resin, which comprises the following steps (a) to (d):
    step (a) of forming a film-like material from a solution containing 1 to 10% by weight of a para-oriented aromatic polyamide having an inherent viscosity of 1.0 to 2.8 dl/g and 1 to 10% by weight of a chloride of an alkaline metal or an alkaline earth metal in a polar amide solvent or a polar urea solvent; step (b) of maintaining the film-like material at a temperature of not less than 20°C or not more than -5°C to deposit the para-oriented aromatic polyamide from the film-like material; step (c) of immersing the film-like material obtained in the step (b) in an aqueous solution or an alcoholic solution to elute the solvent and the chloride of the alkaline metal or alkaline earth metal, followed by drying to obtain a para-aramid porous film; and step (d) of impregnating the porous film obtained in the step (c) as a substrate with the thermoplastic resin and/or thermosetting resin to produce a prepreg.

    摘要翻译： 本发明提供一种具有均匀形成，低线性热膨胀系数和良好机械强度的轻质预浸料坯，其包含多孔对位取向芳香族聚酰胺膜和热塑性树脂和/或热固性树脂，所述多孔对位取向芳香族聚酰胺膜为 浸渍有热塑性树脂和/或热固性树脂，其制造方法以及使用其的印刷电路基板/基板。 一种用于生产包含多孔对位取向芳香族聚酰胺膜和热塑性树脂和/或热固性树脂的预浸料坯的制造方法，所述多孔对位取向芳香族聚酰胺膜浸渍有热塑性树脂和/或热固性树脂，所述方法包括： （a）至（d）：由含有1至10重量％特性粘度为1.0至2.8dl / g的对位芳族聚酰胺的溶液形成膜状材料的步骤（a） 和在极性酰胺溶剂或极性尿素溶剂中的1-10重量％的碱金属或碱土金属的氯化物; 步骤（b）：将膜状材料保持在不低于20℃或不高于-5℃的温度下，以从薄膜状材料沉积对位取向的芳族聚酰胺; 步骤（c）：将步骤（b）中获得的膜状材料浸入水溶液或醇溶液中以洗脱溶剂和碱金属或碱土金属的氯化物，然后干燥，得到对 - 芳族聚酰胺多孔膜; 和将步骤（c）中获得的多孔膜作为基底用热塑性树脂和/或热固性树脂浸渍以制备预浸料坯的步骤（d）。

    Para-aramide dope of low degree of polymerization, para-aramide fiber and para-aramide pulp produced therefrom and processes for producing the same
    8.
    发明公开
    Para-aramide dope of low degree of polymerization, para-aramide fiber and para-aramide pulp produced therefrom and processes for producing the same 失效
    低聚合度的对位芳族聚酰胺掺杂物，由其制造的对位芳族聚酰胺纤维和对位芳族聚酰胺纸浆及其制造方法

    公开(公告)号：EP0572002A3

    公开(公告)日：1994-02-16

    申请号：EP93108581.5

    申请日：1993-05-27

    申请人： SUMITOMO CHEMICAL COMPANY, LIMITED ,  Akzo Nobel N.V.

    发明人： Takahashi, Tsutomu ,  Sato, Hiroyuki

    IPC分类号： D01F6/60 ,  D01F1/02 ,  D01F1/10 ,  C08L77/10

    CPC分类号： C08J3/096 ,  C08J2377/10 ,  C08L77/10 ,  D01F6/605 ,  D21H13/26 ,  Y10S264/47

    摘要： A para-aramide dope of low degree of polymerisation exhibiting an optical anisotropy containing 4-10% by weight of a para-aramide having an intrinsic viscosity of 1.0-2.5 dl/g and 2-10% by weight of an alkali metal chloride or an alkaline earth metal chloride in a polar amide solvent;
       a process for producing a para-aramide fiber which comprises adding 0.94-0.99 mole of a para-oriented aromatic dicarboxylic acid halide per 1.00 mole of a para-oriented aromatic diamine in a polar amide solvent in which 2-10% by weight of an alkali metal chloride or an alkaline earth metal chloride is dissloved, carrying out a polymerization at a temperature of -20°C to 50°C to form a para-aramide dope of low degree of polymerization exhibiting an optical anisotropy and having a para-aramide concentration of 4-10% by weight, and spinning the dope; and
       a process for producing a para-aramide pulp which comprises cutting the above-mentioned para-aramide fiber into a short fiber, mechanically fibrillating the short fiber with a high shearing force, and thereafter drying the fibrillated short fiber.

    摘要翻译： 低聚合度的对位芳族聚酰胺涂料显示光学各向异性，其包含4-10重量％的特性粘度为1.0-2.5dl / g的对位芳族聚酰胺和2-10重量％的碱金属氯化物或 在极性酰胺溶剂中的碱土金属氯化物; 一种生产对位芳族聚酰胺纤维的方法，该方法包括在极性酰胺溶剂中每1.00摩尔对位取向的芳族二胺加入0.94-0.99摩尔的对位芳族二羧酸酰卤，其中2-10％重量的 碱金属氯化物或碱土金属氯化物溶解，在-20℃至50℃的温度下进行聚合，形成显示出光学各向异性并具有对位芳族聚酰胺的低聚合度的对位芳族聚酰胺涂料 浓度为4-10重量％，并纺丝原液; 以及制造对位芳族聚酰胺纸浆的方法，该方法包括将上述对位芳族聚酰胺纤维切成短纤维，用高剪切力使短纤维机械原纤化，然后干燥原纤化短纤维。