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Preparation of polyimide/silica hybrid material by sol–gel process under basic catalysis: Comparison with acid conditions

✍ Scribed by Benoît Didier; Régis Mercier; Nicole D. Alberola; Corine Bas


Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
482 KB
Volume
46
Category
Article
ISSN
0887-6266

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Organosoluble polyimide/silica hybrid materials were prepared using the sol-gel process. The organosoluble polyimide was based on pyromellitic anhydride (PMDA) and 4,4Ј-diamino-3,3Ј-dimethyldiphenylmethane (MMDA). The silica particle size in the hybrid is increased from 100 -200 nm for the hybrid co