POROUS BRANCHED/HIGHLY BRANCHED POLYIMIDES
    1.
    发明申请
    POROUS BRANCHED/HIGHLY BRANCHED POLYIMIDES 有权
    多孔分支/高分支聚氨酯

    公开(公告)号:US20140171526A1

    公开(公告)日:2014-06-19

    申请号:US14104135

    申请日:2013-12-12

    Applicant: BASF SE

    CPC classification number: C08J9/286 C08G73/1035 C08J2201/0502 C08J2379/08

    Abstract: The present invention relates to a process for the preparation of porous particles comprising at least one polyimide by reacting (A) at least one polyisocyanate having on average at least two isocyanate groups per molecule and (B) at least one polycarboxylic acid having at least two COOH groups per molecule or anhydride thereof, in the presence of at least one solvent, optionally at least one catalyst and optionally at least one further additive, to cause precipitation of a polyimide in the solvent to form the porous particles, to porous particles, obtained with this process, to parts, bodies, foams and/or material comprising these porous particles, and to the use of the porous particles or of the parts, bodies, foams and/or material as insulation material and in vacuum insulation.

    Abstract translation: 本发明涉及通过使(A)每分子平均具有至少两个异氰酸酯基的至少一种多异氰酸酯与(B)至少一种具有至少两个异氰酸酯基的多元羧酸反应来制备包含至少一种聚酰亚胺的多孔颗粒的方法 COOH基团,在至少一种溶剂,任选的至少一种催化剂和任选的至少一种另外的添加剂的存在下,使聚酰亚胺在溶剂中沉淀以形成多孔颗粒,得到多孔颗粒,得到 通过该方法,可以使用包括这些多孔颗粒的部件,主体,泡沫和/或材料,以及多孔颗粒或零件,主体,泡沫和/或材料作为绝缘材料和真空绝热中的用途。

    Porous branched/highly branched polyimides

    公开(公告)号:US09676915B2

    公开(公告)日:2017-06-13

    申请号:US14104135

    申请日:2013-12-12

    Applicant: BASF SE

    CPC classification number: C08J9/286 C08G73/1035 C08J2201/0502 C08J2379/08

    Abstract: The present invention relates to a process for the preparation of porous particles comprising at least one polyimide by reacting (A) at least one polyisocyanate having on average at least two isocyanate groups per molecule and (B) at least one polycarboxylic acid having at least two COOH groups per molecule or anhydride thereof, in the presence of at least one solvent, optionally at least one catalyst and optionally at least one further additive, to cause precipitation of a polyimide in the solvent to form the porous particles, to porous particles, obtained with this process, to parts, bodies, foams and/or material comprising these porous particles, and to the use of the porous particles or of the parts, bodies, foams and/or material as insulation material and in vacuum insulation.

    ELECTROCHEMICAL CELLS COMPRISING REACTION PRODUCTS OF POLYIMIDES
    4.
    发明申请
    ELECTROCHEMICAL CELLS COMPRISING REACTION PRODUCTS OF POLYIMIDES 审中-公开
    包含POLYIMIDES反应产物的电化学电池

    公开(公告)号:US20150214526A1

    公开(公告)日:2015-07-30

    申请号:US14425119

    申请日:2013-08-12

    Abstract: Electrochemical cell comprising (A) at least one anode as component (A), (B) at least one cathode as component (B), (C) at least one non-aqueous electrolyte as component (C), (D) at least one separator positioned between anode (A) and cathode (B), as component (D), characterized in that separator (D) is manufactured from at least one polyimide selected from reaction products of (a) at least one polyimide selected from condensation products of (α) at least one polyisocyanate having on average at least two isocyanate groups per molecule and (β) at least one polycarboxylic acid having at least 3 COOH groups per molecule or an anhydride or ester thereof, and (b) at least one diol or triol, and subsequently optionally reacted with (c) at least one polyisocyanate having on average at least two isocyanate groups per molecule.

    Abstract translation: 电化学电池,其包含(A)至少一种作为组分(A)的阳极,(B)至少一种作为组分(B)的阴极,(C)至少一种非水电解质作为组分(C),(D)至少 位于阳极(A)和阴极(B)之间的一个分离器,作为组分(D),其特征在于分离器(D)由至少一种聚酰亚胺制成,所述聚酰亚胺选自(a)至少一种选自缩合产物 的(α)至少一种每分子平均具有至少两个异氰酸酯基团的多异氰酸酯和(>)每分子具有至少3个COOH基团的至少一种多元羧酸或其酸酐或酯,和(b)至少一种 二醇或三醇,并随后任选地与(c)每分子平均具有至少两个异氰酸酯基团的至少一种多异氰酸酯反应。

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