High Temperature Solvent Resistant Amorphous Thermoplastic Phenylethynyl Quinoxaline Resin Composition.
Patent, Filed 2 Oct 86, patented 15 Mar 88,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
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A biso-diamine is reacted with a bisbenziloxy-2,2-bisarylethynylbiphenyl to provide a quinoxaline polymer having pendant phenylethynyl groups. These polymers can be cured to provide thermally stable polymer compositions.
- Organic Chemistry