Polyamide-imide resins
    1.
    发明授权
    Polyamide-imide resins 失效
    聚酰胺树脂

    公开(公告)号:US3554984A

    公开(公告)日:1971-01-12

    申请号:US3554984D

    申请日:1968-10-16

    申请人: GEORGE CO P D

    发明人: GEORGE NORMAN J

    IPC分类号: C08G73/14 C08G20/32

    CPC分类号: C08G73/14 Y10T428/2947

    摘要: A POLYAMIDE-IMIDE RESIN (AND THE POLYDIAMIDE-MONOCARBOXYLIC ACID PRECURSOR) CONTAINING AT LEAST ONE AMIDO GROUP WHICH IS NOT PART OF THE AMIDE-IMIDE POLYMERIC UNIT, AND TO THE USE THEREOF AS ELECTRICAL INSULATION. THIS IS EXEMPLIFIED BY POLYAMIDE-IMIDES DERIVED FROM TRIMELLITIC ANHYDRIDE OR AN EQUIVALENT AND AN AROMATIC TYPE POLYAMINE CONTAINING AT LEAST ONE AMIDO GROUP WHICH IS NOT PART OF THE AMIDE-IMIDE POLYMERIC UNIT.