聚苯乙烯型弱酸型离子交换树脂的制备研究  

STUDY ON THE PREPARATION OF CARBOXYL POLYSTYRENE

作　　者：魏荣卿[1] 王燕芹[1] 汪海萍[1] 刘晓宁[1] 

机构地区：[1]南京工业大学制药与生命科学学院,南京210009

出　　处：《离子交换与吸附》2007年第3期216-222,共7页Ion Exchange and Adsorption

基　　金：科技部创新基金(No.05C26213200578);南京市创新基金(编号:200407011)

摘　　要：选用邻苯二甲酸酐以傅克酰基化反应制备了聚苯乙烯(PS)羧基化弱酸性离子交换树脂。并对产物进行了红外光谱、NMR及溶胀度等性能的表征。研究了反应时间、温度、催化剂量、PS交联度等对反应的影响。结果表明,反应在50℃、3h～10h、3:1的催化剂与试剂的摩尔比例最佳;反应产物可用THF有效洗滤;由制备得到的PS羧基树脂(PS-COOH)能进一步固载β-环糊精。Carboxylic crosslinked polystyrene （PS-COOH） microsphere has been prepared by Friedel-Crafts acylation with phthalic anhydride. Obtained product was characterized by FT-IR, CP/NMR and swelling degree. The effects of reaction time, temperature, quantity of catalyzer and solvent were studied as well as degree of cross-linking of polystyrene .The result indicated that： 50℃, 3h-10h and n（AlCl3）：n（PA）=3：1 were the optimal condition; the product could be refined by tetrahydrofuran （THF）. Then β-cyclodextrin （β-CD） could be further supported on the carboxylic crosslinked polystyrene o

关 键 词：邻苯二甲酸酐 聚苯乙烯羧基化 傅克酰基化反应 固载β-环糊精 

分 类 号：TQ425[化学工程]