|Table of Contents|

[1] Jiao Zhen, Song Junying, Fan Wenjing, et al. Synthesis of poly(vinyl acetate)oligomersand their phase behavior in supercritical carbon dioxide [J]. Journal of Southeast University (English Edition), 2019, 35 (2): 264-268. [doi:10.3969/j.issn.1003-7985.2019.02.018]

Synthesis of poly(vinyl acetate)oligomersand their phase behavior in supercritical carbon dioxide()

Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

2019 2
Research Field:
Chemistry and Chemical Engineering
Publishing date:


Synthesis of poly(vinyl acetate)oligomersand their phase behavior in supercritical carbon dioxide
Jiao Zhen1 2 Song Junying1 Fan Wenjing1 Wang Xiudong1 Wang Ziyi1
1School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
2Joint Research Institute of Southeast University and Monash University, Suzhou 215123, China
poly(vinyl acetate) polymerization supercritical carbon dioxide cloud point pressure CO2-philic polymer
Three poly(vinyl acetate)(PVAc)oligomers with controlled molecular weight and narrow molecular distribution are synthesized by reversible addition-fragmentation chain transfer(RAFT)polymerization. The effects of the reaction temperature and the added amount of initiator of the PVAc polymerization are discussed. In addition, the phase behavior of the prepared PVAc in pressured CO2 is determined via the cloud point method. The results indicate that the cloud point of PVAc increases with the increase in the molecular weight, the PVAc concentration, and the temperature. The cloud point pressures for the PVAc mass concentration of 0.12 % with the molecular weight of 1 550, 2 120, and 2 960 g/mol are 13.48, 13.83 and 15.43 MPa, respectively, at the temperature of 35 ℃. It reveals that the solubility of PVAc in ScCO2 at relatively low pressure is remarkably limited.


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Biography: Jiao Zhen(1979—), male, doctor, associate professor, jiaozhen@seu.edu.cn.
Foundation items: The Natural Science Foundation of Jiangsu Province(No.BK20130602), the Applied Basic Research Program of Suzhou(No.SYG201836), the Project of the Collaborative Innovation Center of Suzhou Nano Science and Technology.
Citation: Jiao Zhen, Song Junying, Fan Wenjing, et al.Synthesis of poly(vinyl acetate)oligomers and their phase behavior in supercritical carbon dioxide[J].Journal of Southeast University(English Edition), 2019, 35(2):264-268.DOI:10.3969/j.issn.1003-7985.2019.02.018.
Last Update: 2019-06-20