种子溶胀法制备1-烯丙基-3-甲基咪唑四氟硼酸盐与丙烯腈多孔聚合物
首发时间:2011-04-21
摘要:采用种子溶胀法合成了多孔离子液体聚合物--1-烯丙基-3-甲基咪唑四氟硼酸盐与丙烯腈单体配比为70:30共聚物,并对离子液体聚合物样品进行了FTIR、SEM和CO2吸附表征。研究了溶胀剂种类和用量及BPO用量对聚合物产率的影响,测定了CO2在多孔聚合物吸附剂上的吸附平衡数据。溶胀剂种类和用量对多孔P[AMIM]BF4/AN的产率无显著影响;引发剂用量对多孔P[AMIM]BF4/AN的产率有显著影响。多孔结构能显著提高CO2的平衡吸附容量,在0 ℃和0.101MPa下,多孔聚合物的最大吸附量达0.782 wt %。
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Preparation of porous copolymer of 1-allyl-3-methyimidazolium hemafluophosphate and acrvlonitrile by seed swelling method
Abstract:Porous copoly(ionic liquid)s based on copolymer of 1-allyl-3-methyimidazolium hexafluophosphate and acrylonitrile with 70:30 monomer ratio were prepared by seed swelling method, and the porous copolymers were characterized by FTIR, SEM and CO2 adsorption property. The effects of different pore-forming agents and different amounts of BPO on the yields and CO2 sorption were discussed respectively. The results showed that swelling agents have no significant effect to the yields of porous copoly(ionic liquid)s, while the yields of copoly(ionic liquid)s prepared with the different amounts of BPO show significantly different. porous copoly(ionic liquid)s have the highest CO2 sorption capacity of 0.782wt % at 0 ℃ and 0.101 MPa.
Keywords: polymerized ionic liquids seed swelling polymerization CO2 solubility
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种子溶胀法制备1-烯丙基-3-甲基咪唑四氟硼酸盐与丙烯腈多孔聚合物
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