合成技术及应用
閤成技術及應用
합성기술급응용
SYNTHETIC TECHNOLOGY AND APPLICATION
2014年
1期
19-24
,共6页
阴离子交换膜%聚芳砜酰胺%氯甲基化%季铵化改性%离子电导率
陰離子交換膜%聚芳砜酰胺%氯甲基化%季銨化改性%離子電導率
음리자교환막%취방풍선알%록갑기화%계안화개성%리자전도솔
anion exchange membrane%Polysulfonamides%chloromethylation%quaternization modification%Ionic conductivity
通过氯甲基化反应，制得了氯甲基化聚芳砜酰胺（CMPSA），并研究了聚芳砜酰胺（PSA）氯甲基化反应的影响因素。用流延法制成CMPSA膜，将CMPSA膜通过季铵化反应、离子交换制得了季铵化聚芳砜酰胺（ QAPSA）阴离子交换膜。利用FT-IR和1 H-NMR对其进行结构表征。并测定了QAPSA膜的离子交换容量（ IEC）、离子电导率、吸水率和溶胀度。结果表明，QAPSA阴离子交换膜在室温下离子电导率为1．025×10-2 S／cm，且具有良好的尺寸稳定性。
通過氯甲基化反應，製得瞭氯甲基化聚芳砜酰胺（CMPSA），併研究瞭聚芳砜酰胺（PSA）氯甲基化反應的影響因素。用流延法製成CMPSA膜，將CMPSA膜通過季銨化反應、離子交換製得瞭季銨化聚芳砜酰胺（ QAPSA）陰離子交換膜。利用FT-IR和1 H-NMR對其進行結構錶徵。併測定瞭QAPSA膜的離子交換容量（ IEC）、離子電導率、吸水率和溶脹度。結果錶明，QAPSA陰離子交換膜在室溫下離子電導率為1．025×10-2 S／cm，且具有良好的呎吋穩定性。
통과록갑기화반응，제득료록갑기화취방풍선알（CMPSA），병연구료취방풍선알（PSA）록갑기화반응적영향인소。용류연법제성CMPSA막，장CMPSA막통과계안화반응、리자교환제득료계안화취방풍선알（ QAPSA）음리자교환막。이용FT-IR화1 H-NMR대기진행결구표정。병측정료QAPSA막적리자교환용량（ IEC）、리자전도솔、흡수솔화용창도。결과표명，QAPSA음리자교환막재실온하리자전도솔위1．025×10-2 S／cm，차구유량호적척촌은정성。
Chloromethylated Polysulfonamides ( CMPSA) was prepared by the chloromethylation of Polysulfon-amides ( PSA) .The effects of material mass ratio ,PSA concentration , reaction time and reaction temperature on the chloromethylation reaction of PSA were studied .The CMPSA membrane was successfully prepared by casting tech-nique.Based on the obtained CMPSA membrane , the quaternized PSA ( QAPSA) anion exchange membrane were prepared via further quaternization and alkalization process .The structure of QAPSA membrane was characterized by using FT-IR and 1H-NMR.Ion exchange capacity (IEC), ionic conductivity, water uptake and swelling ratio were measured.The ionic conductivity of QAPSA anion exchange membrane under room temperature is 1.025 × 10 -2 S/cm.Besides, the membrane also shows good dimensional stability .
