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題 名 | Preparation and Properties of Polyethylene-g-4-Vinyl Pyridine Films by Simultaneous Irradition Graff Copolymerization=以同時輻射合成聚乙烯﹣接枝﹣4 ﹣乙烯吡啶及薄膜性質探討 |
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作 者 | 薛敬和; 吳建宏; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 18:1 1987.01[民76.01] |
頁 次 | 頁33-39 |
分類號 | 346.2 |
關鍵詞 | 乙烯吡啶; 合成; 聚乙烯; 輻射; 薄膜性質; |
語 文 | 英文(English) |
中文摘要 | 本研究採用聚乙烯膜以4-乙烯吡啶單體進行接枝共聚合反應,此共聚合膜可與甲基碘反應,進行四級胺化後便具有陰離子交換的性質,實驗中以同時輻射法(Simultaneous irradiation)來達成接枝聚合反應。所以,輻射劑量單位濃度以及稀釋劑對接枝聚合反應之影響將予深入探討。此外,共聚合膜的機械性質及陰離子交換膜之電氣性質(electrical properties)亦是本實驗之研究目標。 由實驗結果顯示,此接枝共聚合膜在接枝率為40%時,有最佳之透過選擇性(permselectivity)。經接枝共聚合處理之低密度聚乙烯膜具有最低之電阻值(electrical resistance);而中密度及線性低密度聚乙烯膜經此處理後,其電阻值則低於100 Ω-cm²,但它們的抗張強度在180 kg/cm²以上。 |
英文摘要 | Polyethylene film was grafted with 4-vinyl pyridine and the grafted copolymer was then reacted with methyl iodide to form an anionic exchange membrane. Properties of these membranes were evaluated. Simultaneous irradiation was applied and the irradiation dosage, the monomer concentration, and the influence of diluent were investigated. Electrical properties of these anionic exchange membranes were evaluated. The membrane has the best permselectivity at about 40% degree of graft. The film of grafted low density polyethylene has the lowest electrical resistance, whereas those of grafted MDPE and LLDPE have electrical resistance lower than 100 Ω-cm². MDPE and LLDPE films show tensile strength higher than 180 kg/cm². |
本系統中英文摘要資訊取自各篇刊載內容。