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47 条记录 (耗时 0.023 秒)

    Novel mine-terminated poly(arylene ether phosphine oxide) oligomer
    12.
    发明授权
    Novel mine-terminated poly(arylene ether phosphine oxide) oligomer 失效
    新型矿物聚（亚芳基醚氧化膦）低聚物

    公开(公告)号：US5079333A

    公开(公告)日：1992-01-07

    申请号：US552635

    申请日：1990-07-13

    申请人： James E. McGrath ,  Carrington D. Smith

    发明人： James E. McGrath ,  Carrington D. Smith

    IPC分类号： C08G79/04

    CPC分类号： C08G79/04

    摘要： Amine-terminated poly(arylene ether phosphine oxide) oligomers of the general formula ##STR1## where Ar' is phenyl, biphenyl, bisphenol-A, etc., can be formed by reaction of a bisphenol monomer, a dihalo triphenyl phosphine oxide monomer, and an aminophenol.

    摘要翻译： 可以通过双酚单体，二卤代三苯基膦氧化物单体的反应形成通式“IMAGE”的胺封端的聚（亚芳基醚氧化膦）低聚物，其中Ar'是苯基，联苯基，双酚A等， 和氨基苯酚。

    Materials for use as proton conducting membranes for fuel cells
    13.
    发明授权
    Materials for use as proton conducting membranes for fuel cells 有权
    用作燃料电池质子导电膜的材料

    公开(公告)号：US07473714B2

    公开(公告)日：2009-01-06

    申请号：US11119353

    申请日：2005-05-02

    申请人： Brian R. Einsla ,  James E. McGrath

    发明人： Brian R. Einsla ,  James E. McGrath

    IPC分类号： B01J49/00 ,  B01J39/20

    CPC分类号： C08J5/2256 ,  C08G65/48 ,  C08G75/23 ,  C08J2371/12 ,  C08J2381/06

    摘要： A family of polymers having pendent sulfonate moieties connected to polymeric main chain phenyl groups are described. These polymers are prepared by the steps of polymerization (using a monomer with a phenyl with an alkoxy substitution), deportation by converting the alkoxy to a hydroxyl, and functionalization of the polymer with a pendant sulfonate group. As an example, sulfonated poly(arylene ether sulfone) copolymers with pendent sulfonic acid groups are synthesized by the direct copolymerization of methoxy-containing poly(arylene ether sulfone)s, then converting the methoxy groups to the reactive hydroxyl form, and finally functionalizing the hydroxyl form with proton-conducting sites through nucleophilic substitution. The family of polymers may have application in proton exchange membranes and in other applications.

    摘要翻译： 描述了具有连接到聚合主链苯基的侧链磺酸酯部分的聚合物族。 这些聚合物通过聚合（使用具有烷氧基取代基的苯基）的单体，通过将烷氧基转化为羟基而进行递送的步骤，以及用磺酸侧基官能化聚合物来制备。 作为例子，通过直接共聚含甲氧基的聚（亚芳基醚砜），然后将甲氧基转化为反应性羟基，合成具有侧链磺酸基的磺化聚（亚芳基醚砜）共聚物，最后使 羟基与质子传导位点通过亲核取代。 聚合物族可以用于质子交换膜和其它应用中。

    Highly conductive thermoplastic composites for rapid production of fuel cell bipolar plates
    14.
    发明授权
    Highly conductive thermoplastic composites for rapid production of fuel cell bipolar plates 失效
    用于快速生产燃料电池双极板的高导电性热塑性复合材料

    公开(公告)号：US07365121B2

    公开(公告)日：2008-04-29

    申请号：US10779804

    申请日：2004-02-18

    申请人： Jianhua Huang ,  Donald G. Baird ,  James E. McGrath

    发明人： Jianhua Huang ,  Donald G. Baird ,  James E. McGrath

    IPC分类号： C08K3/04 ,  C08K3/40 ,  H01M8/00

    CPC分类号： C08K7/02

    摘要： A low cost method of fabricating bipolar plates for use in fuel cells utilizes a wet lay process for combining graphite particles, thermoplastic fibers, and reinforcing fibers to produce a plurality of formable sheets. The formable sheets are then molded into a bipolar plates with features impressed therein via the molding process. The bipolar plates formed by the process have conductivity in excess of 150 S/cm and have sufficient mechanical strength to be used in fuel cells. The bipolar plates can be formed as a skin/core laminate where a second polymer material is used on the skin surface which provides for enhanced conductivity, chemical resistance, and resistance to gas permeation.

    摘要翻译： 制造用于燃料电池的双极板的低成本方法利用湿式铺设方法来组合石墨颗粒，热塑性纤维和增强纤维，以生产多个可成形片材。 然后将可成形片材模制成具有通过模制工艺在其中印刷的特征的双极板。 通过该方法形成的双极板具有超过150S / cm的电导率并且具有足够的机械强度以用于燃料电池。 双极板可以形成为皮肤/芯层压板，其中在皮肤表面上使用第二聚合物材料，其提供增强的导电性，耐化学性和耐气体渗透性。

    Poly(alkyl vinyl ether)polyolefin copolymers
    19.
    发明授权
    Poly(alkyl vinyl ether)polyolefin copolymers 失效
    聚（烷基乙烯基醚）聚烯烃共聚物

    公开(公告)号：US4997881A

    公开(公告)日：1991-03-05

    申请号：US418366

    申请日：1989-10-06

    申请人： Niranjan Patel ,  Judy S. Riffle ,  James E. McGrath

    发明人： Niranjan Patel ,  Judy S. Riffle ,  James E. McGrath

    IPC分类号： C08G81/02 ,  C08L23/02

    CPC分类号： C08G81/021 ,  C08L23/02 ,  C08L23/10

    摘要： A blend of a polyolefin and a poly(alkyl vinyl ether) can be blended at elevated temperature to form a copolymer of the polyolefin and poly(alkyl vinyl ether). The resulting composition is useful as a compatibilizer, as a more water permeable substrate than the polyolefin, and as a photo-degradable material.

    摘要翻译： 聚烯烃和聚（烷基乙烯基醚）的共混物可以在升高的温度下共混以形成聚烯烃和聚（烷基乙烯基醚）的共聚物。 所得组合物可用作增塑剂，作为比聚烯烃更透水的基材和可光降解材料。

    POLYMER SYNTHESIS AND THERMALLY REARRANGED POLYMRES AS GAS SEPARATION MEMBRANES
    20.
    发明申请
    POLYMER SYNTHESIS AND THERMALLY REARRANGED POLYMRES AS GAS SEPARATION MEMBRANES 审中-公开
    聚合物合成和热分解聚合物作为气体分离膜

    公开(公告)号：US20120329958A1

    公开(公告)日：2012-12-27

    申请号：US13486572

    申请日：2012-06-01

    申请人： Benny D. Freeman ,  David Sanders ,  Claudio P. Ribeiro, JR. ,  Zachary Smith ,  James E. McGrath ,  Ruilan Guo

    发明人： Benny D. Freeman ,  David Sanders ,  Claudio P. Ribeiro, JR. ,  Zachary Smith ,  James E. McGrath ,  Ruilan Guo

    IPC分类号： C08G73/10 ,  C08G73/22

    CPC分类号： C08J5/18 ,  B01D71/62 ,  C08G73/1039 ,  C08J2379/08

    摘要： The present invention includes a polymer formed by the thermal rearrangement of an ortho-functional polyimide synthesized via chemical imidization with permeation properties for gas separation membranes higher than those synthesized via thermal imidization and a method for forming that polymer having tailored transport properties and different chemical resistance. The present invention also includes a polymer formed by the thermal rearrangement of an ortho-functional polyimide in which a portion of the ortho-position functional group is lost during thermal rearrangement to yield a thermally rearranged polymer with higher permeability than would be seen without the ortho-position group. This ortho-position group can be the result of chemical imidization, or the result of a post-imidization modification reaction.

    摘要翻译： 本发明包括由通过化学酰亚胺化合成的邻位官能聚酰亚胺的热重排形成的聚合物，其具有比通过热酰亚胺化合成的气体分离膜高的气体分离膜的渗透性，以及形成具有定制的输送性能和不同耐化学性的聚合物的方法 。 本发明还包括通过邻位官能聚酰亚胺的热重排形成的聚合物，其中邻位官能团的一部分在热重排期间损失，以产生具有比未观察到的邻位官能团高的透过性的热重排聚合物 位置组。 该邻位基团可以是化学酰亚胺化的结果或后亚胺化改性反应的结果。