@article{ART001436082},
author={Jing Zhang and Fengjing Bu and Yongqiang Dai and Liwei Xue and Zhixian Xu and RYU SEUNG KON and Riguang Jin},
title={Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio},
journal={Carbon Letters},
issn={1976-4251},
year={2010},
volume={11},
number={1},
pages={22-27}
TY - JOUR
AU - Jing Zhang
AU - Fengjing Bu
AU - Yongqiang Dai
AU - Liwei Xue
AU - Zhixian Xu
AU - RYU SEUNG KON
AU - Riguang Jin
TI - Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio
JO - Carbon Letters
PY - 2010
VL - 11
IS - 1
PB - Korean Carbon Society
SP - 22
EP - 27
SN - 1976-4251
AB - The precipitation polymerization of acrylonitrile (AN) was carried out in a mixture solution of dimethyl sulfoxide (DMSO) and water at 50~65oC using α,α’-azobisisobutyronitrile (AIBN) as an initiator. The increased molecular weight polyacrylonitrile (PAN) was prepared with increasing the H2O/DMSO ratio from 10/90 to 80/20. The viscosity average molecular weight of H2O/DMSO solvent was 4.4 times larger than that of H2O/DMF solvent, and precipitation polymerization was accelerlated due to the far decreased chain transfer effect of DMSO. Based on the experimental results,the increased PAN molecular weight was regarded as the summation of two mechanisms: i) particle-particle aggregation and ii) particle-radical attachment. The theoretical equation derived from the mechanisms was well coincided with the experimental results showing the linear relationship between the viscosity average molecular weight and the H2O/DMSO ratio.
KW - PAN;Precipitation polymerization;Molecular weight increase;H2O/DMSO ratio
DO -
UR -
ER -
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON and Riguang Jin. (2010). Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio. Carbon Letters, 11(1), 22-27.
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON and Riguang Jin. 2010, "Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio", Carbon Letters, vol.11, no.1 pp.22-27.
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON, Riguang Jin "Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio" Carbon Letters 11.1 pp.22-27 (2010) : 22.
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON, Riguang Jin. Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio. 2010; 11(1), 22-27.
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON and Riguang Jin. "Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio" Carbon Letters 11, no.1 (2010) : 22-27.
Jing Zhang; Fengjing Bu; Yongqiang Dai; Liwei Xue; Zhixian Xu; RYU SEUNG KON; Riguang Jin. Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio. Carbon Letters, 11(1), 22-27.
Jing Zhang; Fengjing Bu; Yongqiang Dai; Liwei Xue; Zhixian Xu; RYU SEUNG KON; Riguang Jin. Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio. Carbon Letters. 2010; 11(1) 22-27.
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON, Riguang Jin. Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio. 2010; 11(1), 22-27.
Jing Zhang, Fengjing Bu, Yongqiang Dai, Liwei Xue, Zhixian Xu, RYU SEUNG KON and Riguang Jin. "Experimental and Theoretical Investigations of PAN Molecular Weight Increase in Precipitation Polymerization as a Function of H2O/DMSO Ratio" Carbon Letters 11, no.1 (2010) : 22-27.
