NASA NTRS · 19700000389
New hyperthermal thermosetting heterocyclic polymers
Abstract
Polyimidazopyrrolone polymers, formed by the condensation of aromatic dianhydrides with aromatic tetraamines in various solvents, form moldings that resist degradation in air and retain great strength at 400 to 700 degrees F. The resins have good insulating properties, are easy to mold, and make good protective coatings.
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Bilow, N., Landis, A. L., Miller, L. J.. 1970-08-01. New hyperthermal thermosetting heterocyclic polymers. https://ntrs.nasa.gov/citations/19700000389
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