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題 名 | Synthesis and Evalatuion of Ion Exchange Membranes Based on Acrylic nd Metnacrylic Acid Grafted Polyethylene=丙烯酸及甲基丙烯酸接枝聚乙烯膜之合成及離子交換膜之評估 |
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作 者 | Hsiue,Ging-Ho; Huang,Wen-Kuei; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 16:3 1985.07[民74.07] |
頁 次 | 頁257-264 |
分類號 | 341.3723 |
關鍵詞 | 丙烯酸; 甲基丙; 合成; 接枝; 聚乙烯膜; 酸; 離子交換膜; |
語 文 | 英文(English);英文(English) |
中文摘要 | 本文利用伽瑪射線預照射接枝聚合法,分別將丙烯酸及甲基丙烯酸接枝到聚乙烯基質上形成離子交換膜,並建立評估系統以測試此種膜在電池隔離膜應用上的特性。實驗中所用的四種聚乙烯膜分別是高密度型(HDPE),低密度型(LDPE),中密度型(等量HDPE與LDPE混合得)及線性低密度聚乙烯(LLDPE)。並從實用的觀點來探討結晶度,線量率、存置時間等因素對接枝聚合反應之影響以及接枝率對薄膜之溶質透過性、膜電阻、離子輸率、抗張強度之影響,由實驗知接枝率隨反應時間而急劇上升然後持平。線量率及存置時間對LDPE接枝的影響大於結晶度較高的HDPE。甲基丙烯酸接枝膜在導電性上更優於丙烯酸接枝膜。當甲基丙烯酸的接枝率高於60%時,膜電阻便可降低到合於實用之100 mΩ-cm²以下,並且在中密度型及線性低密度型聚乙烯膜上接枝者具有更優良的機械性質。 |
英文摘要 | In the search for battery separator membranes with improved properties, polyethlene films were grafted with acrylic acid and methacrylic acid , and their properties evaluated. The method of preirradiation grafting was used. Four kinds of polyethylene films, LDPE, HDPE, MDPE (a blend of HDPE and LDPE) and LLDPE were used. The influence of crystallinity, dosage and storage period on the grafting behavior was investigated from the viewpoint of practical application. The degree of grafting increased rapidly with reaction time and then leveled off. Dosage and storage periods had greater influence on the degree of grafting on LDPE than on HDPE. Methacrylic acid grafted films were better than acrylic acid grafted films, especially in electrical conductivity. At degrees of grafting than 60%, methacrylic acid grafted MDPE, LLDPE and HDPE have electrical resistance lower than 100 mΩ-cm². |
本系統中英文摘要資訊取自各篇刊載內容。