Preparation and properties of organosolu
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Zi-Kang Zhu; Yong Yang; Jie Yin; Zong-Neng Qi
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Article
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1999
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John Wiley and Sons
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English
⚖ 206 KB
👁 2 views
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