

FOLLOWUS
State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
zhanglifen@suda.edu.cn (L.F.Z.)
chengzhenping@suda.edu.cn (Z.P.C.)
Received:31 March 2021,
Revised:2021-4-29,
Accepted:04 May 2021,
Online First:20 July 2021,
Published:18 July 2021
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Wang, J. Y.; Ni, Y. Y.; Cheng, J. N.; Zhang, L. F.; Cheng, Z. P. Molar mass dispersity control by iodine-mediated reversible-deactivation radical polymerization. Chinese J. Polym. Sci. 2021, 39, 1155–1160
Jin-Ying Wang, Yuan-Yuan Ni, Jian-Nan Cheng, et al. Molar Mass Dispersity Control by Iodine-mediated Reversible-deactivation Radical Polymerization[J]. Chinese Journal of Polymer Science, 2021, 39(9): 1155-1160.
Wang, J. Y.; Ni, Y. Y.; Cheng, J. N.; Zhang, L. F.; Cheng, Z. P. Molar mass dispersity control by iodine-mediated reversible-deactivation radical polymerization. Chinese J. Polym. Sci. 2021, 39, 1155–1160 DOI: 10.1007/s10118-021-2602-3.
Jin-Ying Wang, Yuan-Yuan Ni, Jian-Nan Cheng, et al. Molar Mass Dispersity Control by Iodine-mediated Reversible-deactivation Radical Polymerization[J]. Chinese Journal of Polymer Science, 2021, 39(9): 1155-1160. DOI: 10.1007/s10118-021-2602-3.
Dispersity (
Đ
) of polymers has a great effect on the properties of polymeric materials
and therefore how to control
Đ
is very important but still a huge challenge in polymer synthesis
especially for reversible-deactivation radical polymerization (RDRP) strategy. Herein
we successfully developed a novel strategy to adjust
Đ
of polymers by visible light-controlled reversible complexation mediated living radical polymerization (RCMP) and combination of single-electron transfer-degenerative chain transfer living radical polymerization (SET-DTLRP) at room temperature. In RCMP system
2-iodo-2-methylpropionitrile (CP-I) and ethyl 2-iodo-2-phenylacetate (EIPA) were used as alkyl iodide initiators
by using methyl methacrylate (MMA) as the model monomer and
n
-butylacrylate (BA) as the end-capping reagent to regulate
Đ
of polymers. Subsequently
we successfully prepared the block copolymer PMMA-
b
-PBA with adjustable
Đ
by reactivating the polymer end-chains
via
SET-DTLRP in the presence of copper wire
fully demonstrating that it is a promising strategy that can keep the "living" feature of polymers while regulating their molar mass dispersities easily.
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