Polytrimellitamide-imides in phenolic solvents
    15.
    发明授权
    Polytrimellitamide-imides in phenolic solvents 失效
    酚醛溶液中的聚吡咯甲酰胺

    公开(公告)号:US3661832A

    公开(公告)日:1972-05-09

    申请号:US3661832D

    申请日:1970-05-20

    Inventor: STEPHENS JAMES R

    CPC classification number: C08G73/14

    Abstract: AN AROMATIC POLYTRIMELLITAMIDE-IMIDE SOLUTION SUITABLE FOR PRODUCING SMOOTH CONTINUOUS COATINGS AND WIRE ENAMELS AT BAKING TEMPERATURES OF ABOUT 400*F. SAID SOLUTION COMPRISING SAID POLYTRIMELLITAMIDE-IMIDE AND PHENOLS OR SUBSTITUTED PHENOLS. A PROCESS FOR PRODUCING WIRE ENAMELS WHEREIN SAID AROMATIC POLYTRIMELLITAMIDES ARE DISSOLVED IN PHENOL OR ALKYL SUBSTITUTED PHENOLS AND A PROCESS FOR PREPARING POLYTRIMELLITAMIDE-IMIDE POLYMERS IN ALKYL SUBSTITUTED PHENOL SOLUTIONS.

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