咪唑季铵化聚合物碱性阴离子交换膜的研制及表征
作者:陈炳鑫,陈春明
单位: 1.佛山市三水金戈新型材料有限公司,广东佛山 528131;2.韩山师范学院化学系,广东潮州 521041
关键词: 乳液聚合;阴离子交换膜;季铵化;电导率
DOI号:
分类号: TQ15
出版年,卷(期):页码: 2018,38(2):73-79

摘要:
 以十二烷基磺酸钠和辛基酚聚氧乙烯醚为复合乳化剂、水溶性的过硫酸铵为引发剂,通过乳液聚合的方法合成了对氯甲基苯乙烯、丙烯酸丁酯和苯乙烯的三元共聚物。并对其进行季铵化和碱性化改性制备了新型的碱性阴离子交换膜。通过傅里叶变换红外光谱法对其进行化学结构表征,采用热重分析法表征其热稳定性,测定了碱性膜的电导率,离子交换膜容量,吸水率,化学稳定性等理化性能。结果表明:制备的碱性膜,在室温下的电导率为3.824mS/cm,离子交换容量为0.5144mmol/g,吸水率为22.79%,6mol/L KOH溶液中的降解时间为20天,具有较高的热稳定性和耐溶剂性。
 In this paper, terpolymers of 1-(Chloromethyl)-4-Ethenylbenzene (VBC) , butyl acrylate (BA) and Styrene (St) were synthesized with sodium dodecyl Sulfate (SDS) and octylphenol polyoxyethylene ether (OP-10) as multiple emulsifiers, water soluble ammonium persulfate (APS) as the initiator. Novel alkaline anion-exchange membranes were followed by quaternization and alkalization. The chemical structure of AAEM was confirmed by Fourier transform infrared spectrometry (FT-IR) , the thermal stability was investigated by thermal gravity analysis (TGA) , and the property of AAEM, including ionic conductivity, ionic exchange capacity, water uptake, chemical stability were characterized in this study. The results showed that the conductivity of AAEMcan reach at 3.824mS/cm at indoor temperature, theion exchange capacity is 0.5144 mmol/g, the water uptake is 22.79%.Andthe degradation time in 6M KOH is twenty days at indoor temperature.The prepared AAEM also possesses relatively high thermal stability and solvent resistance.

基金项目:

作者简介:
第一作者简介:陈炳鑫(1990-),男,广东揭阳人,大学本科,助理级工程师,主要研究方向导热阻燃材料。E-mail:891053762@qq.com *通讯作者:陈春明(1969-),男,湖北陆安人,博士,教授,主要研究方向为功能高分子材料, E-mail:ccming2003@163.com

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