Modified polyimide-polymer resins are precursors for new family of resilient fire-resistant foams. Terpolyimide foams containing long-chain aliphatic diamines withstand 50,000 cycles of compression over a 200 pound load - an equivalent of 3 years of continuous use as seat cushion filler.
Modified fire-resistant foams forseat cushions
NASA Tech Briefs ; 5 , 3
1981-01-01
Miscellaneous
No indication
English