Properties of polyimide foam composite obtained on the basis of polyamide acid salt and montmorillonite
Vaganov G. V.1, Polotnyanshchikov K. S.
1, Svetlichnyi V. M.1, Popova E. N.1, Yudin V. E.1
1Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia
Email: konstantin.polotn@gmail.com
Polyimide foams were synthesized based on water-soluble polyamide acid salt from 3,3', 4,4'-benzophenonetetracarbonic dianhydride and 4,4'-diamidiphenylmethane with different contents of montmorillonite. The thermal and mechanical properties of the synthesized polyimide foam and composites based on it were studied. It was shown that introduction of 0,5% (wt.) montmorillonite can improve both the mechanical properties and heat resistance of polyimide foam. Keywords: water-soluble polyamide acid salt, polyimide foam, montmorillonite, mechanical properties, heat resistance.
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