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題名 | Domain Structure and Some Properties of Solvent-Cast Films from 2- Methylstyrene-Butadiene Block Copolymer=甲基 乙烯與丁二烯團聯共聚合物之溶劑鑄膜物之區域模造與其物性 |
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作者姓名(外文) | Hsiue,Ging-Ho; Lee,Shin-Hsing; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷期 | 12:2 1981.04[民70.04] |
頁次 | 頁61-68 |
關鍵詞 | 丁二烯; 甲基乙烯; 物性; 區域; 溶劑; 聚合物; 模造; 鑄膜物; |
語文 | 英文(English) |
英文摘要 | Morphology, intrinsic viscosities and mechanical properties of α-methylstyrene-butadiene diblock copolymers synthesized by anionic polymerization were investigated. By selecting different composition rations of these two components and the solubility parameters of casting solvents, there appeared a regular transformation in morphology between matrix and dispersed phase. However, if the solvent polarities were varied, the changes of morphology were found to be irregular. The anomalous viscosity behavior found by Urwin et al. was also observed here. The stress-strain when the composition rations were changed, a very tough and high temperature resistant elastomer was obtained when the weight fraction ofα-methylstyrene block was 45%. Furthermoreα-methylstyrene-butadiene triblock copolymers was obtained successfully anionic polymerization. |
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