Bismaleimide resin based on indane bisphenol

A precured heat curable composition comprising a mixture of

• a. one or more polymaleimide compounds of the formula:
• ##STR9## and;
• b. one or more indane bisphenol compounds of the formula:
• ##STR10## wherein:
• R.sub.1, R.sub.2, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.9 are the same or different at each occurrence and are hydrogen, alkyl, phenyl, cycloalkenyl, alkylphenyl, alkenyl, alkoxphenyl, phenylalkyl, alkoxy, alkoxyalkyl, nitro, halogen, cyano, cycloalkyl or hydroxy;
• A is a divalent organic moiety having from 1 to about 30 carbon atoms;
• and
• R.sub.3 and R.sub.8 are the same or different at each occurrence and are alkenyl;
• wherein the open valencies are substituted with hydrogen.