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.