NASA NTRS · 19950008002
Diamines and polyimides containing pendent ethynyl groups
Abstract
Diamines containing pendent ethynyl and substituted ethynyl groups are synthesized. These diamines are reacted with dianhydrides to form polyamide acids, which are chemically or thermally cyclodehydrated to form polyimides and copolyimides with pendent ethynyl groups. Upon heating, the pendent ethynyl groups react to form crosslinked resins that are useful as adhesives, composite matrices, coatings, moldings, and films.
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Hergenrother, Paul M., Jensen, Brian J.. 1994-09-06. Diamines and polyimides containing pendent ethynyl groups. https://ntrs.nasa.gov/citations/19950008002
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