c for 30 minutes the formualtions evaluated and results obtained are set forth below table 2______________________________________ laminate no wt 1 2 3 4______________________________________mat composition d5001 polyamide acid 50 40 precompounded polyamic 50 40acid epoxyecn 1299 novolac epoxy 10 102811 glass fibers 50 50 50 50mat consolidation poor fair poor goodlower phase transition u00b0 c 107 1 104 6 135 8upper phase transition u00b0 c 213 2 156 9 188 9 171 0flexural properties astm d790 flexual modulus mmpsilength 2 30 2 22cross 2 12 2 13flexural strength mpsilength 26 8 37 3cross 25 9 31 8______________________________________ of the mats evaluated those formulated with the pre reacted polyamide acid epoxy blend resulted in the best consolidation thus providing processing advantages comparison of mechanical properties of laminates 2 and 4 indicated that further addition of the epoxy novolac promoted a higher t g and flexural strength advantages over the pre compounded polyamide acid epoxy blend laminates 1 and 3 were not sufficiently consolidated to get meaningful mechanical property testing the formulation below was compounded by preblending the ingredients listed below at 250 u00b0 at 80 rpm as described in example 2 mats formed in accordance with example 1 and evaluated with results recorded also set forth below table 3______________________________________ laminate no wt 1 2______________________________________mat composition d5001 polyamide acidundried 30 vacuum dried 30epon 828 epoxy 9 8 9 82 heptadecylimazole 0 2 0 2ecn 1299 novolac 10 0 10 02811 glass fibers 50 50properties dynamic mechanical analysis dma u00b0 c e 34 peak 86 8 183 1 tan delta peak 97 8 195 2flexural strength mpsilength 14 5 37 6cross 14 0 31 1flexural modulus mmpsilength 1 88 2 21cross 1 50 2 20ash content wt 51 48flammability nt v 1______________________________________ vacuum dried gt 2 hours at 90 u00b0 c only.