SEMIAROMATIC POLYAMIDE COMPRISING A CHAIN ENDING
    21.
    发明申请
    SEMIAROMATIC POLYAMIDE COMPRISING A CHAIN ENDING 有权
    包含链末端的半纤维状聚酰胺

    公开(公告)号:US20150099080A1

    公开(公告)日:2015-04-09

    申请号:US14565897

    申请日:2014-12-10

    Applicant: ARKEMA FRANCE

    Abstract: The invention relates to a copolyamide comprising at least two different units corresponding to the following general formulation: A/X.T A is chosen from a unit obtained from an amino acid, a unit obtained from a lactam and a unit corresponding to the formula (Ca diamine)·(Cb diacid), with a representing the number of carbon atoms of the diamine and b representing the number of carbon atoms of the diacid, a and b each being between 4 and 36, advantageously between 9 and 18,X.T denotes a unit obtained from the polycondensation of a Cx diamine and of terephthalic acid, with x representing the number of carbon atoms of the Cx diamine, x being between 9 and 36, advantageously between 10 and 18,characterized in that said copolyamide exhibits:a content of amine chain ends of greater than or equal to 20 μeq/g,a content of acid chain ends of less than or equal to 100 μeq/g, anda content of unreactive chain ends of greater than or equal to 20 μeq/g,and to the process for the preparation of said copolyamide, to a composition comprising this copolyamide and to the use of this copolyamide and of such a composition.

    Abstract translation: 本发明涉及包含对应于以下一般配方的至少两个不同单元的共聚酰胺:A / XT A选自从氨基酸获得的单元,从内酰胺获得的单元和对应于式(Ca二胺)的单元 )·(Cb二酸),其表示二胺的碳原子数,b表示二酸的碳原子数,a和b各自在4和36之间,有利地在9和18之间,XT表示单元 由C x二胺和对苯二甲酸的缩聚获得,x表示C x二胺的碳原子数,x在9和36之间,有利地在10和18之间,其特征在于所述共聚酰胺表现出:胺的含量 大于或等于20μeq/ g的链端,酸链端的含量小于或等于100μeq/ g,非活性链端含量大于或等于20μeq/ g,并且 准备的过程 在该共聚酰胺上,使用包含该共聚酰胺的组合物和该共聚酰胺和这种组合物的用途。

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