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Synthesis and gelation of fluoroalkyl end-capped copolymers containing glucosyl segments: Application to new fluorinated conductive polymer electrolytes

机译:含葡糖基链段的氟烷基封端共聚物的合成和凝胶化:在新型氟化导电聚合物电解质中的应用

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Fluoroalkyl end-capped copolymers containing glucosyl segments were prepared by the copolymerizations of fluoroalkanoyl peroxides with 2-glucosyoxyethyl methacrylate (GEMA) and comonomers such as acrylic acid (ACA) and methaerylate monomer-containing poly(oxyethylene) units (PME). Under the non-cross-linked conditions, fluoroalkyl end-capped GEMA-ACA and GEMA-PME copolymers were found to cause a gelation in dimethyl sulfoxide (DMSO), where the aggregations of end-capped fluoroalkyl segments and the hydrogen-bonding interaction between hydroxyl segments are involved in establishing a physical gel network, although the corresponding nonfluorinated GEMA copolymers could cause no gelation in DMSO. More interestingly, it was demonstrated that these fluorinated polymeric gelling electrolytes containing lithium salts exhibit a considerably high ionic conductivity of 10(-3) S/cm level at room temperature. (C) 2002 Wiley Periodicals, Inc. [References: 18]
机译:通过将氟代链烷酰基过氧化物与甲基丙烯酸2-葡糖氧基乙基酯(GEMA)和共聚单体(例如丙烯酸(ACA)和含甲基丙烯酸酯的聚(氧化乙烯)单元)共聚,可以制备出包含葡糖基链段的氟烷基封端共聚物。在非交联条件下,发现氟代烷基封端的GEMA-ACA和GEMA-PME共聚物在二甲基亚砜(DMSO)中引起胶凝,其中封端的氟代烷基链段的聚集和氢键之间的氢键相互作用尽管相应的非氟化GEMA共聚物可能不会在DMSO中引起胶凝,但羟基链段却参与建立物理凝胶网络。更有趣的是,已证明这些含锂盐的氟化聚合物胶凝电解质在室温下表现出相当高的10(-3)S / cm水平的离子电导率。 (C)2002 Wiley Periodicals,Inc. [参考:18]

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