Processibility enhanced by incorporating trifluoromethylbenzene units into molecules. Results of two unexpected properties: high solubility in common organic solvents and lack of crystallinity. Properties coupled with ability of this class of polymers to undergo exchange reactions at elevated temperatures allow these materials to moderate their molecular weights during processing, which affects resulting mechanical properties after processing. Fluorinated polyazomethines form amorphous films that have excellent mechanical properties. Used in moisture-free environments as electronic semiconducting films and adhesives, and as matrix resins for advanced structural composites.
Processible Polyazomethines
NASA Tech Briefs ; 17 , 11
01.11.1993
Sonstige
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Englisch
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