Preparation and Properties of Poly(2-hydroxyethylmethacrylate)-silica Mesoporous Composite in Supercritical Carbon Dioxide

被引：0
|
作者：
Chen Y. [1 ]
Cao L. [1 ]
Tang J. [1 ]
Cao X. [1 ]
机构：
[1] Key Laboratory of Oil and Gas Fine Chemicals, Ministry of Education & Xinjiang Uygur Autonomous Region, College of Chemistry & Chemical Engineering, Xinjiang University, Urumqi
来源：
Cao, Liqin (cao_lq@163.com) | 1600年 / Sichuan University卷 / 33期
关键词：
2-hydroxyethylmethacrylate; Bovine serum albumin; Mesoporous molecular sieve; Precipitation polymerization; Supercritical carbon dioxide;
D O I：
10.16865/j.cnki.1000-7555.2017.02.001
中图分类号：
学科分类号：
摘要：
Poly (2-hydroxyethylmethacrylate)-silica mesoporous composite (MCM-41-g-PHEMA) was successfully synthesized by precipitation polymerization in supercritical carbon dioxide with 2-hydroxyethyl methacrylate (HEMA) as monomer, vinyl triethoxy silane modified the mesoporous molecular sieve MCM-41 as carrier, azoisobutyronitrile as initiator. The effects of reactant ratio, reaction time and pressure on the morphology and yield of the complexes were investigated. The synthesized composites were characterized through FT-IR, BET, small angle XRD, SEM, TEM, TGA, etc. The swelling of the composites and adsorption property of bovine serum albumin (BSA) in different pH of aqueous solution as well as adsorption kinetics were studied. The results show that the pore size of MCM-41-g-PHEMA is about 6.3nm, the thermal stability is improved obviously, and the adsorption kinetics of the complex on BSA is in accordance with pseudo two order rate equations. The maximum adsorption capacity is 35 mg/g. © 2017, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：1 / 5
页数：4
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