Nanocomposites from in-situ polymerization of 3-phenoxy-benzoic acid in the presence of vapor-grown carbon nanofibers
    1.
    发明授权
    Nanocomposites from in-situ polymerization of 3-phenoxy-benzoic acid in the presence of vapor-grown carbon nanofibers 有权
    在气相生长碳纳米纤维存在下3-苯氧基苯甲酸的原位聚合的纳米复合材料

    公开(公告)号:US07960471B1

    公开(公告)日:2011-06-14

    申请号:US12231423

    申请日:2008-08-28

    IPC分类号: B32B9/00

    摘要: A poly(ether-ketone) composite of the formula: wherein CNF is carbon nanofibers and MWNT is multi-walled carbon nanotubes; wherein Ar represents ether-ketone repeating groups of the formula wherein Q is —O— or —O—(CH2)n—O—, wherein n has a value of 2-12; wherein R is —H, —CH3, or —C2H5, m has a value of 1 or 2; wherein R′ is —H or —CH3; and wherein — denoted the presence of a direct C—C bond between Ar and CNF or MWNTg Also provided is a process for preparing the composite.

    摘要翻译: 一种下式的聚(醚 - 酮)复合物:其中CNF是碳纳米纤维,MWNT是多壁碳纳米管; 其中Ar表示下式的醚 - 酮重复基团其中Q是-O-或-O-(CH 2)n -O-,其中n具有2-12的值; 其中R是-H,-CH 3或-C 2 H 5,m的值为1或2; 其中R'是-H或-CH 3; 并且其中 - 表示存在Ar和CNF或MWNTg之间的直接C-C键。还提供了制备复合材料的方法。

    Hyperbranched polybenzazoles via an A3+ B2 polymerization
    6.
    发明授权
    Hyperbranched polybenzazoles via an A3+ B2 polymerization 有权
    超支化聚苯并唑通过A3 + B2聚合

    公开(公告)号:US07790831B1

    公开(公告)日:2010-09-07

    申请号:US11472214

    申请日:2006-06-15

    IPC分类号: C08G63/06

    CPC分类号: C08G83/005 C08G73/22

    摘要: In accordance with the present invention there are provided hyperbranched benzobisazole polymers having repeating units of the formulas: and hyperbranched bibenzazole polymers having repeating units of the formulas: wherein Q is —S— or —NH—; the terminal groups X and Y are COOH and respectively, with their total number (X+Y) equals n+1, where n=degree of polymerization. The ratio X:Y can be controlled by varying the stoichiometric ratio of trimesic acid (A3 monomer) and 2,5-diamino-1,4-dimercaptobenzene dihydrochloride (B2 monomer) from 1:1 to 1.1.35.

    摘要翻译: 根据本发明,提供了具有下式重复单元的超支化苯并二唑聚合物:具有下式重复单元的超支化双苯并唑聚合物:其中Q是-S-或-NH-; 端基X和Y分别为COOH,它们的总数(X + Y)分别等于n + 1,其中n =聚合度。 比例X:Y可以通过将1,3次苯三酸(A3单体)和2,5-二氨基-1,4-二巯基苯二盐酸盐(B2单体)的化学计量比从1:1变化到1.1.35来控制。

    Carboxylic-acid-terminated hyperbranched poly(benzoxazole) and the star block copolymers therefrom
    7.
    发明授权
    Carboxylic-acid-terminated hyperbranched poly(benzoxazole) and the star block copolymers therefrom 失效
    羧酸封端的超支化聚(苯并恶唑)和其中的星形嵌段共聚物

    公开(公告)号:US07582719B1

    公开(公告)日:2009-09-01

    申请号:US11193990

    申请日:2005-07-28

    IPC分类号: C08G63/06 C08G63/12 C08G73/06

    摘要: Hyperbranched benzazole polymers having repeating units of the formula: wherein Q is —O—, —S— or —NH—, and the terminal groups R are carboxylic acids with their total number equals n+1. A generic method for preparing the polymers is provided. Also provided are the star block copolymers derived from these hyperbranched benzazole polymers and linear poly(ether-ketones) having the following generic formula where x and y are the numbers of repeat units for each poly(ether-ketone) chain; the placement of the carbonyl moieties in the repeat units of the poly(ether-ketone) chains can be either meta or para to the phenoxy groups; the maximal number of poly(ether-ketone) chains is n+1, where n=number of repeat units for hyperbranched polybenzazole). A general method for synthesizing these star block copolymers is provided.

    摘要翻译: 具有下式的重复单元的超支化苯并唑聚合物:其中Q是-O - , - S-或-NH-,端基R是总数等于n + 1的羧酸。 提供了制备聚合物的通用方法。 还提供了衍生自这些超支化苯并唑聚合物的星形嵌段共聚物和具有以下通式的线性聚(醚 - 酮),其中x和y是每个聚(醚 - 酮)链的重复单元数; 聚(醚 - 酮)链的重复单元中的羰基部分的位置可以是苯氧基的间位或对位; 聚(醚 - 酮)链的最大数量为n + 1,其中n =超支化聚吲唑的重复单元数)。 提供了合成这些星型嵌段共聚物的一般方法。

    End-capped quinoxaline-containing hyperbranched aromatic poly(ether-ketones)
    10.
    发明授权
    End-capped quinoxaline-containing hyperbranched aromatic poly(ether-ketones) 失效
    封端的含喹喔啉的超支化芳族聚(醚酮)

    公开(公告)号:US06974857B1

    公开(公告)日:2005-12-13

    申请号:US10729563

    申请日:2003-12-08

    IPC分类号: C08G73/06 C08G73/00 C08G73/22

    CPC分类号: C08G73/0694

    摘要: An end-capped quinoxaline-containing hyperbranched ether-ketone polymer having repeating units of the formula: wherein n represents the degree of polymerization for the parent hyperbranched polymer, x represents the degree of endgroup functionalization, x has a value of 0.05 to 1.0, and G is selected from the group consisting of and alkyl having 2 to 16 carbon atoms, and a method for preparing the polymer are provided.

    摘要翻译: 具有下式重复单元的封端的含喹喔啉的超支化醚酮聚合物:其中n表示母体超支化聚合物的聚合度,x表示端基官能化度,x为0.05至1.0, G选自具有2〜16个碳原子的烷基和提供聚合物的制备方法。