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Physical gelation of polar aprotic solvents induced by hydrogen bonding modulation of polymeric molecules Ka, Duyoun; Seo, Myungeun; Choi, Hyungsam; Kim, Eun Hee; Kim, Sang Youl, CHEMICAL COMMUNICATIONS, v.46, no.31, pp.5722 - 5724, 2010 |
Soluble polyimides from unsymmetrical diamine containing benzimidazole ring and trifluoromethyl pendent group Choi, Hyungsam; Chung, Im Sik; Hong, Kipyo; Park, Chan Eon; Kim, Sang Youl, POLYMER, v.49, no.11, pp.2644 - 2649, 2008-05 |
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