以苯为原料合成超高交联吸附树脂及其性能

金秋; 赵士举; 谢普会; 苏同福

doi:10.3969/j.issn.1000-1565.2015.01.008

河北大学学报(自然科学版) >

2015 , Vol. 35 >Issue 1: 40

DOI: https://doi.org/10.3969/j.issn.1000-1565.2015.01.008

化学

以苯为原料合成超高交联吸附树脂及其性能

金秋 ,
赵士举 ,
谢普会 ,
苏同福

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河南农业大学理学院应用化学系，河南郑州 450002

金秋（1975—），女，河南周口人，副教授，博士，主要从事功能高分子研究

网络出版日期: 2015-01-25

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JIN Qiu ,
ZHAO Shiju ,
XIE Puhui ,
SU Tongfu

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Department of Chemistry, College of science, Henan Agricultural University, Zhengzhou 450002, China

Online published: 2015-01-25

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摘要

以芳香小分子苯为基本原料，氯甲醚为氯甲基化试剂，无水氯化锌和无水三氯化铁为催化剂，一步合成出超高交联吸附树脂BE-CME.利用红外、元素分析和比表面积测定等方法对树脂的结构性能进行了表征.结果表明，树脂BE-CME的比表面积高达812.43m²/g，元素和红外表征结果证明，树脂BE-CME上还残留有部分未反应的氯甲基.对树脂BE-CME进行了二次交联反应，得到比表面积为974.37²/mg的超高交联吸附树脂P-BE-CME.以苯胺为吸附对象，考察了树脂BE-CME和P-BE-CME对苯胺的吸附性能，结果表明，树脂后交联以后的吸附性能有所提高，树脂BE-CME和P-BE-CME对苯胺的吸附能力均优于相同条件下的XAD-4.随着温度的升高，树脂的吸附量下降，说明吸附是放热的

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金秋 , 赵士举 , 谢普会 , 苏同福 . 以苯为原料合成超高交联吸附树脂及其性能[J]. 河北大学学报(自然科学版), 2015 , 35(1) : 40 . DOI: 10.3969/j.issn.1000-1565.2015.01.008

Abstract

Hypercrosslinked resin BE-CME was synthesised in one pot using simple aromatic molecule benzene and chloromethyl methyl ether (CME), using anhydrous ZnCl₂and FeCl₃as catalyst. The chemical structure of resin BE-CME was characterized by IR, elemental analysis and BET methods. The results indicated that the specific surface area of resin BE-CME was 812.43m²/g. The postcrosslinking reaction of BE-CME was carried out use the unreacted chloromethyl group on resin BE-CME. After postcrosslinked the speciﬁc surface area of P-BE-CME increased to 974.37m²/g. Batch adsorption runs of aniline in aqueous solution onto adsorbent BE-CME and P-BE-CME were researched. The adsorption capacity of aniline on P-BE-CME was larger than that on BE-CME and XAD-4. The adsorption process for aniline onto the resins was proved to be exothermic

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