α-甲基苯乙烯马来酸酐共聚物微球固载β-环糊精的制备及应用  

Preparation and application ofα-methyl styrene maleic anhydride copolymer microspheres immobilizedβ-cyclodextrin

作　　者：赖槐东 程德书 王坚[1] 罗菊香 LAI Huaidong;CHENG Deshu;WANG Jian;LUO Juxiang(College of Environment and Safety Engineering,Fuzhou University,Fuzhou,350108,Fujian,China;School of Resourses and Chemical Engineering,Sanming University,Sanming,365004,Fujian,China;Fujian Fluorochemical Technology and Economic Integration Service Platform,Sanming,365004,Fujian,China;Sanming Institute of Fluorochemmical Industry,Sanming,365004,Fujian,China)

机构地区：[1]福州大学环境与安全工程学院,福建福州350108 [2]三明学院资源与化工学院,福建三明365004 [3]福建省氟化工科技经济融合服务平台,福建三明365004 [4]三明市氟化工产业技术研究院,福建三明365004

出　　处：《化工进展》2023年第4期2038-2046,共9页Chemical Industry and Engineering Progress

基　　金：福建省自然科学基金(2020J01378,2022J011174);国家自然科学基金(51703120);三明市科技局引导性项目(2021-G-5);福建省科技创新重点项目(2021G02012)。

摘　　要：以α-甲基苯乙烯和马来酸酐为共聚物单体,二乙烯基苯为交联剂,通过自稳定沉淀聚合制备交联α-甲基苯乙烯马来酸酐共聚物微球(PAMSM);用对甲苯磺酰氯对β-环糊精(β-CD)进行单磺酰化得到单-6-对甲苯磺酰基-β-环糊精(mono-6-OTs-β-CD),其与过量的1,2-丙二氨反应制备得到1,2-丙二胺基-β-环糊精(PDM-β-CD);通过PDM-β-CD的伯氨与PAMSM的酸酐开环酰胺化反应,将β-CD固载在PAMSM上制备微球β-CD-PDM-PAMSM。采用傅里叶红外光谱(FTIR)、扫描电子显微镜(SEM)、元素分析对β-CD-PDM-PAMSM的结构、表面形貌和组成进行表征。结果表明,β-CD-PDM-PAMSM具有良好的球形度,平均粒径在1.08μm;β-CD固载率高,通过元素分析计算得β-CD固载率为53.1%。将PAMSM、β-CD-PDM-PAMSM、水解PAMSM(H-PAMSM)和水解β-CDPDM-PAMSM(H-β-CD-PDM-PAMSM)作为吸附剂,研究其对亚甲基蓝溶液(MB)的吸附性能。研究表明,PAMSM对MB的吸附能力为25.3mg/g,β-CD-PDM-PAMSM对MB的吸附能力比PAMSM提高了615.8%,水解后的H-β-CD-PDM-PAMSM和H-PAMSM对MB的吸附能力较PAMSM分别提高了1043.5%和860.8%。Cross-linkedα-methylstyrene maleic anhydride copolymer microspheres(PAMSM)were prepared by self-stable precipitation polymerization withα-methylstyrene and maleic anhydride as copolymer monomers and divinylbenzene as crosslinking agent.Firstly,mono-6-p-toluenesulfonyl-β-cyclodextrin(mono-6-OTs-β-CD)was obtained by the monosulfonylation ofβ-cyclodextrin(β-CD)with p-toluenesulfonyl chloride,and then 1,2-propylenediamine-β-cyclodextrin(PDM-β-CD)was achieved by the ammoniating of mono-6-OTs-β-CD with excess 1,2-propylenediamine.The microspheres ofβ-CDPDM-PAMSM were prepared though immobilizing PDM-β-CD to the PAMSM by ringing-open amidation reaction of PDM-β-CD with the primary amines and PAMSM with the anhydride groups.The composition,surface morphology,particle size and distribution of theβ-CD-PDM-PAMSM were characterized by Fourier transform infrared spectroscopy(FTIR),scanning electron microscopy(SEM)and elemental analysis.The results showed that theβ-CD-PDM-PAMSM maintained good sphericity and the average particle size was 1.08μm.The immobilization yield ofβ-CD on PAMSM was high,and the grafting rate ofβ-CD was 53.1%calculated by the elemental analysis.Then,the adsorption properties for methylene blue solution(MB)of PAMSM,β-CD-PDM-PAMSM,hydrolyzed PAMSM(H-PAMSM)and hydrolyzedβ-CDPDM-PAMSM(H-β-CD-PDM-PAMSM)were investigated.Research suggested that the adsorption capacity of PAMSM for MB was 25.3mg/g,and the adsorption capacity ofβ-CD-PDM-PAMSM for MB was 615.8%higher than that of PAMSM.The adsorption capacity of H-β-CD-PDM-PAMSM and H-PAMSM for MB was 1043.5%and 860.8%higher than that of PAMSM,respectively.

关 键 词：Β-环糊精 PAMSM微球 1 2-丙二胺基-β-环糊精 亚甲基蓝 吸附 

分 类 号：O631[理学—高分子化学]