Process for forming an aramid copolymer
    4.
    发明授权
    Process for forming an aramid copolymer 有权
    形成芳族聚酰胺共聚物的方法

    公开(公告)号:US08822632B2

    公开(公告)日:2014-09-02

    申请号:US13559681

    申请日:2012-07-27

    申请人: Kiu-Seung Lee

    发明人: Kiu-Seung Lee

    IPC分类号: C08G69/28

    CPC分类号: C08G69/04 C08G69/32 C08G73/18

    摘要: The invention concerns processes for forming a polymer comprising residues of 2-(4-amino phenyl)-5 (6) amino benzimidazole (DAPBI), paraphenylene diamine, and terephthaloyl dichloride, the process comprising: (a) forming a solution of oligomers having chloride end groups from one mole of paraphenylene diamine and 1.3 to 5 moles of terephthaloyl dichloride a solvent system comprising an organic solvent and an inorganic salt; and (b) adding DAPBI and terephthaloyl dichloride to the solution of oligomers to form a polymer.

    摘要翻译: 本发明涉及形成包含2-(4-氨基苯基)-5(6)氨基苯并咪唑(DAPBI),对苯二胺和对苯二酰氯的残基的聚合物的方法,该方法包括:(a)形成具有 1摩尔对苯二胺和1.3-5摩尔对苯二酰氯的氯化物端基,包含有机溶剂和无机盐的溶剂体系; 和(b)向低聚物溶液中加入DAPBI和对苯二甲酰氯以形成聚合物。

    Process of forming an aramid copolymer
    5.
    发明授权
    Process of forming an aramid copolymer 有权
    形成芳族聚酰胺共聚物的方法

    公开(公告)号:US08907052B2

    公开(公告)日:2014-12-09

    申请号:US13559698

    申请日:2012-07-27

    申请人: Kiu-Seung Lee

    发明人: Kiu-Seung Lee

    摘要: The invention concerns processes for forming a polymer comprising residues of 2-(4-amino phenyl)-5(6)amino benzimidazole (DAPBI), paraphenylene diamine (PPD), and terephthaloyl dichloride, comprising the steps of: (a) forming a slurry of DAPBI in a solvent system comprising an organic solvent and an inorganic salt; (b) adding less than a stoichiometric amount, relative to the amount of DAPBI, of terephthaloyl dichloride to the slurry; (c) agitating the slurry to react the DAPBI and terephthaloyl dichloride to form an oligomeric solution; (d) adding PPD to the oligomeric solution and agitating until essentially all of the PPD is dissolved, followed by the addition of terephthaloyl dichloride to form a prepolymer solution; and (e) allowing the prepolymer solution to form a polymer.

    摘要翻译: 本发明涉及形成包含2-(4-氨基苯基)-5(6)氨基苯并咪唑(DAPBI),对苯二胺(PPD)和对苯二甲酰氯的残留物的聚合物的方法,包括以下步骤:(a) DAPBI的浆料在包含有机溶剂和无机盐的溶剂体系中; (b)将相对于DAPBI的量的对苯二甲酰氯的化学计量相对于浆料加入少于; (c)搅拌浆料以使DAPBI和对苯二酰氯反应形成低聚溶液; (d)将PPD加入到低聚溶液中并搅拌直到基本上所有的PPD溶解,然后加入对苯二甲酰氯以形成预聚物溶液; 和(e)使预聚物溶液形成聚合物。

    Process for preparing aramid copolymer
    6.
    发明授权
    Process for preparing aramid copolymer 有权
    制备芳族聚酰胺共聚物的方法

    公开(公告)号:US08809434B2

    公开(公告)日:2014-08-19

    申请号:US13559661

    申请日:2012-07-27

    申请人: Kiu-Seung Lee

    发明人: Kiu-Seung Lee

    IPC分类号: C08G69/04 C08G73/18 C08G69/32

    CPC分类号: C08G69/04 C08G69/32 C08G73/18

    摘要: The invention concerns processes for forming a polymer comprising residues of terephthaloyl chloride, paraphenylene diamine, and a salt of formula I wherein A− is a halogen anion, HSO4−, OH−, NO3−, C2H3O2−, or H2PO4−; the process comprising the steps of: a) forming a mixture comprising salt of formula I and paraphenylene diamine in a solvent system comprising an organic solvent and an inorganic salt; and b) adding terephthaloyl chloride to the mixture and allowing the formation of the polymer.

    摘要翻译: 本发明涉及形成聚合物的方法,该聚合物包括对苯二甲酰氯,对苯二胺和式I的盐,其中A-是卤素阴离子,HSO 4 - ,OH-,NO 3 - ,C 2 H 3 O 2 - 或H 2 PO 4 - 。 该方法包括以下步骤:a)在包含有机溶剂和无机盐的溶剂体系中形成包含式I盐和对苯二胺的混合物; 和b)向混合物中加入对苯二甲酰氯并允许形成聚合物。

    Aramid copolymer
    7.
    发明授权
    Aramid copolymer 有权
    芳族聚酰胺共聚物

    公开(公告)号:US08716434B2

    公开(公告)日:2014-05-06

    申请号:US13559678

    申请日:2012-07-27

    申请人: Kiu-Seung Lee

    发明人: Kiu-Seung Lee

    IPC分类号: C08G64/00 C08G69/28 C08G63/02

    摘要: The invention concerns polymer comprising 2-(4-amino phenyl)-5 (6) amino benzimidazole (DAPBI), PPD, and terephthaloyl dichloride, the polymer having a IPC peak block ratio of 1.52 to 1.56 and an inherent viscosity of greater than 2 dl/g.

    摘要翻译: 本发明涉及包含2-(4-氨基苯基)-5(6)氨基苯并咪唑(DAPBI),PPD和对苯二甲酰氯的聚合物,该聚合物的IPC峰值嵌段比为1.52-1.56,特性粘度大于2 dl / g。