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| Chain Conformation and Local Rigidity of Soluble Polyimides(Ⅱ): Isomerized Polyimides in THF | |
| 基金项目： | the National Natural Science Foundation of China，the Funds for Creative Researth Groups of China，the Project of Bureau of Science and Technology of Jilin Province |
| 摘 要： | Two soluble isomerized polyimides(PIs)synthesized from 2,2′-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride(6FDA)with either 2,2′-dimethylbenzidine(2,2′-DMB)or 3,3′-DMB were investigated by means... |
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