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47 条记录 (耗时 0.019 秒)

    Copolymer of dodecane terephthalamide
    3.
    发明授权
    Copolymer of dodecane terephthalamide 失效
    DODECANE TEREPHTHALAMIDE的共聚物

    公开(公告)号：US5079339A

    公开(公告)日：1992-01-07

    申请号：US566790

    申请日：1990-08-13

    申请人： Murali K. Akkapeddi ,  Jeffrey H. Glans

    发明人： Murali K. Akkapeddi ,  Jeffrey H. Glans

    IPC分类号： C08G69/26

    CPC分类号： C08G69/265

    摘要： The present invention is an improved polyamide copolymer having monomer units including repeat units of the formula ##STR1## where n is from 10 to 14 and preferably is 12 (1,12-dodecanediamine), units derived from a symmetrical diacid or derivatives of said diacid, preferably a symmetrical aromatic dicarboxylic acid. The copolymer has minor amounts, preferably 3 to 30 and more preferably 5 to 10 mol percent, of units derived from an additional comonomer.

    摘要翻译： 本发明是具有单体单元的改进的聚酰胺共聚物，其包括式（IMAGE）的重复单元，其中n为10至14，优选为12（1,12-十二烷二胺），衍生自对称二酸或所述二酸衍生物的单元 ，优选对称的芳族二羧酸。 共聚物具有少量，优选3至30，更优选5至10摩尔％的衍生自另外的共聚单体的单元。

    Polyphenylene ether/polyterephthalamide blend
    7.
    发明授权
    Polyphenylene ether/polyterephthalamide blend 失效
    聚苯醚/聚对苯二甲酰胺共混物

    公开(公告)号：US5504158A

    公开(公告)日：1996-04-02

    申请号：US370745

    申请日：1995-01-10

    申请人： Murali K. Akkapeddi ,  Jeffrey H. Glans

    发明人： Murali K. Akkapeddi ,  Jeffrey H. Glans

    IPC分类号： C08L71/12 ,  C08L77/00 ,  C08L77/06 ,  C08F8/00

    CPC分类号： C08L77/06 ,  C08L71/126 ,  C08L77/00

    摘要： There is provided in accordance with the present invention polyphenylene ether/polyalkyleneterephthalamide compositions of high dimensional stabilities that are suitable for high temeprature applications comprising from about 20 to about 70 weight % of a functionalized polyphenylene ether; from about 20 to about 70 weight % of a polyalkyleneterephthalamide, wherein the polyalkyleneterephthalamide is derived from terephthalic acid and an .alpha.,.omega.-alkanediamine having 10 to 14 methylene groups; and from about 0 to about 20 weight % of a functionalized elastomeric polymer, wherein the blend absorbs less than 2 wt % of moisture and has a dimensional growth in water of less than 0.5%.

    摘要翻译： 根据本发明提供了适用于高温应用的高尺寸稳定性的聚苯醚/聚亚烷基对苯二甲酰胺组合物，其包含约20至约70重量％的官能化聚苯醚; 约20至约70重量％的聚亚烷基对苯二甲酰胺，其中所述聚亚烷基对苯二甲酰胺衍生自对苯二甲酸和具有10至14个亚甲基的α，ω-链烷二胺; 和约0至约20重量％的官能化弹性体聚合物，其中所述共混物吸收小于2重量％的水分，并且在水中的尺寸生长小于0.5％。

    Miscible thermoplastic polymeric blend compositions containing polyamide/amorphous polyamide blends
    8.
    发明授权
    Miscible thermoplastic polymeric blend compositions containing polyamide/amorphous polyamide blends 失效
    含有聚酰胺/无定形聚酰胺共混物的混溶热塑性聚合物共混组合

    公开(公告)号：US5391640A

    公开(公告)日：1995-02-21

    申请号：US169719

    申请日：1993-12-17

    申请人： Murali K. Akkapeddi ,  Jeffrey H. Glans ,  Jerome F. Parmer

    发明人： Murali K. Akkapeddi ,  Jeffrey H. Glans ,  Jerome F. Parmer

    IPC分类号： C08L77/00 ,  C08L77/02 ,  C08L77/06

    CPC分类号： C08L77/00 ,  C08L77/02 ,  C08L77/06

    摘要： Thermoplastic polymeric composition which feature good physical properties which are relatively insensitive to humidity and further exhibits good barrier properties of the composition comprise:(A) a first conventional polyamide, and(B) an amorphous copolyamide which is polymerized from(B.sub.1) a polyamide forming monomer selected from the group consisting of lactams, aminoalkanoic acids and mixture thereof wherein the monomer is present in a molar proportion of between about 0 and 50%,(B.sub.2) a diamine selected from the group consisting of aralkylene diamines, cycloalkylene diamines and mixtures thereof, the diamine being present in a molar proportion of between about 25 and 60%,(B.sub.3) a dicarboxylic acid selected from the group of an aromatic dicarboxylic acid, aralkylene dicarboxylic acids, and aliphatic dicarboxylic acids; preferably the use of an aliphatic dicarboxylic acid in conjunction with an aromatic dicarboxylic acid is preferred, at least one aromatic diacid, the dicarboxylic acid being present in a molar proportion of between about 25 and 60%,wherein the (A) and (B) are substantially miscible when formed into a blend composition.The blend composition finds use as a molding composition, as well as a film forming composition, alternately, may be formed into a variety of articles which exhibit improved physical properties.

    摘要翻译： 具有良好物理性质的热塑性聚合物组合物，其对湿度相对不敏感且进一步表现出良好的组合物的阻隔性能包括：（A）第一常规聚酰胺和（B）无定形共聚酰胺，其由（B1）聚酰胺形成 选自内酰胺，氨基链烷酸及其混合物的单体，其中单体以约0至50％的摩尔比例存在，（B2）选自亚芳基二胺，亚环烷基二胺及其混合物的二胺 ，二胺以约25至60％的摩尔比例存在，（B3）选自芳族二羧酸，亚芳基二羧酸和脂族二羧酸的二羧酸; 优选使用脂族二羧酸与芳族二羧酸结合使用，至少一种芳族二酸，二羧酸的摩尔比例为约25至60％，其中（A）和（B） 当形成共混组合物时，基本上是可混溶的。 共混组合物可用作模塑组合物，以及成膜组合物，或者可以形成为表现出改善的物理性能的各种制品。