STRUCTURE BARRIÈRE A BASE DE COPOLYAMIDE MPMDT/XT DE HAUTE Tg

    公开(公告)号:EP3390493A1

    公开(公告)日:2018-10-24

    申请号:EP16826385.3

    申请日:2016-12-15

    申请人: Arkema France

    摘要: The invention relates to a barrier structure for the storage and/or transport of fluids, comprising at least one barrier layer (1) comprising an MPMDT/XT copolyamide in which: MPMDT is a unit with an amide motif having a molar ratio of between 5 and 50%, particularly between 5 and 45%, preferably between 15 and 45%, more preferably between 20 and 45%, where MPMD is 2-methyl pentamethylene diamine (MPMD) and T is terephthalic acid, XT being a unit with a majority amide motif having a molar ratio of between 50 and 95%, particularly between 55 and 95%, preferably between 55 and 85%, more preferably between 55 and 80%, where X is a C9 to C18, preferably C9, C10, C11 and C12, linear aliphatic diamine, and where T is terephthalic acid, said copolyamide having a melting point of 250°C

    COMPOSITION ET PROCEDE POUR MATERIAU COMPOSITE AVEC IMPREGNATION PAR COMPOSITION REACTIVE D'UN PREPOLYMERE POLYAMIDE ET D'UN ALLONGEUR DE CHAINE DIEPOXYDE
    56.
    发明公开
    COMPOSITION ET PROCEDE POUR MATERIAU COMPOSITE AVEC IMPREGNATION PAR COMPOSITION REACTIVE D'UN PREPOLYMERE POLYAMIDE ET D'UN ALLONGEUR DE CHAINE DIEPOXYDE 审中-公开
    组合物及方法相对于聚酰胺聚合物浸渍的复合和DIEPOXIDKETTENVERLÄNGERER的活性成分

    公开(公告)号:EP3131956A1

    公开(公告)日:2017-02-22

    申请号:EP15725738.7

    申请日:2015-04-15

    申请人: Arkema France

    IPC分类号: C08J5/04 C08L77/06 C08G69/26

    摘要: The invention relates to a reactive moulding composition, in particular for a thermoplastic composite material, including a reactive precursor composition of a semi-crystalline thermoplastic polymer which is a semi-crystalline polyamide and optionally at least one fibrous reinforcement and with said precursor composition including: a) at least one polyamide prepolymer having n identical X functions selected from carboxy or amine; and b) at least one non-polymer extender having two epoxy Y functions that can react with said X functions, wherein n ranges from 1 to 3. The polymer and prepolymer a) have a specific composition including at least two amide units A of 55-95 mol % and B of -45 mol %, wherein A corresponds to x.T in which x is a C
    9 -C
    18 linear aliphatic diamine, and B corresponds to x'.T in which x' can be B1): a specific branched aliphatic diamine dependent on x, B2): MXD, or B3): a linear aliphatic diamine which is dependent on x, said polyamide having a glass transition temperature of at least 80 °C and a melting temperature no higher than 280 °C. The invention also relates to a method for manufacturing said composite material, to a precursor composition and the use thereof for parts of composite material, and to said parts.

    摘要翻译: 反应性模制组合物包括半结晶热塑性聚合物的所有其是半结晶聚酰胺和任选的至少一种纤维增强材料和与所述前体组合物包括A的前体的反应性组合物)至少一种聚酰胺预聚物轴承X选自n个相同的功能 羧基和胺和b)至少一种非聚合剂带有两个环氧官能团ý确实是反应性的与所述官能团X,其中n为1至3,所说的聚合物并且是特定的组成的预聚物A)包含55摩尔%至95摩尔 %的至少两个酰胺单元A的,并与其中X对应于XT酰胺单元B的5摩尔%〜45摩尔%为直链脂肪族C9-C18二胺和B对应于x'.T,具有所述聚酰胺 至少80℃的Tg和小于或等于280℃的Tm值