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Preparation and gas separation property of Polyvinyl acetate/ Poly(ionic liquid)

Authors： BAI Yunxiang, GAO Hui, ZHANG Chunfang, GU Jin, SUN Yuping

Units： The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Materials Engineering, Jiangnan University, Wuxi 214122

KeyWords： Polyvinyl acetate; Poly(ionic liquid); Semi-interpenetrating polymer network membrane; Gas separation

ClassificationCode：TQ 027.3

year,volume(issue):pagination： 2014,34(4):61-66

Abstract：

Polyvinyl acetate (PVAc)/Poly(ionic liquid) semi-interpenetrating polymer network (S-IPN) membrane, PVAc/PILs, were successfully prepared by UV curing and used for the separation of CO2 and N2. The results shows that PVAc/PILs S-IPN possess better stability and mechanical properties than PILs，and PILs has good compatibility with PVAc when PILs content is ranging from 10 to 60 wt% With the increase of PILs content, both the permeability and solubility coefficient of CO2 and N2 were enhanced when PILs content is lower than 50 wt%. While CO2/N2 selectivity began to decrease after it reached the highest value of 64.20 with PILs content of 50 wt%.

Funds：

国家自然科学基金项目（21106053）和江苏省产学研联合创新基金（BY2013015-28）资助

AuthorIntro：

白云翔（1972-），男，副教授，主要研究方向，膜分离

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