Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by <italic style="font-style: italic">in Situ</italic> Halogen Exchange

Dan-Ni Gao; Yu-Lai Zhao; Jing-Yu Cai; Lin-Xi Hou; Long-Qiang Xiao

doi:10.1007/s10118-021-2611-2

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Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange

ARTICLE | Updated：2021-07-20

- Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange
- Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange
- Chinese Journal of Polymer Science 2021年39卷第9期页码：1161-1168
- Affiliations：
  
  a.Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
  b.Qingyuan Innovation Laboratory, Quanzhou 362801, China
  c.Fujian Key Laboratory of Advanced Manufacturing Technology of Specialty Chemicals, Fuzhou University, Fuzhou 350116, China
- Author bio：
  
  lxhou@fzu.edu.cn (L.X.H.)
  xiaolq@fzu.edu.cn (L.Q.X.)
- Funds：
  
  We gratefully acknowledge the financial support from Natural Science Foundation of Fujian Province (No.2019J05040), Key Program of Qingyuan Innovation Laboratory (No. 00221003), ‘111’ program and Talent program of Fuzhou University (No. GXRC-18041).
- DOI：10.1007/s10118-021-2611-2
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Dan-Ni Gao, Yu-Lai Zhao, Jing-Yu Cai, 等. Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange[J]. Chinese Journal of Polymer Science, 2021,39(9):1161-1168.

Dan-Ni Gao, Yu-Lai Zhao, Jing-Yu Cai, et al. Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange[J]. Chinese Journal of Polymer Science, 2021,39(9):1161-1168.
Dan-Ni Gao, Yu-Lai Zhao, Jing-Yu Cai, 等. Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange[J]. Chinese Journal of Polymer Science, 2021,39(9):1161-1168. DOI： 10.1007/s10118-021-2611-2.

Dan-Ni Gao, Yu-Lai Zhao, Jing-Yu Cai, et al. Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange[J]. Chinese Journal of Polymer Science, 2021,39(9):1161-1168. DOI： 10.1007/s10118-021-2611-2.

摘要

Abstract

Reversible chain transfer catalyzed polymerization (RTCP) is a practical and efficient process for the precise synthesis of polymers with special architecture by using simple phenols (2,4,6-trimethylphenol, TMP) or hydrocarbons (xanthene, XT) as efficient organocatalysts. Herein, alkyl iodide (R-I), which was generated from ,in situ, bromine-iodine transformation of alkyl bromide (R-Br) with sodium iodide (NaI), was served as initiator to mediate RTCP with TMP or XT. MMA and other functional methacrylates, including GMA, DEAM, DMAEMA and BzMA, were successfully initiated by combining organocatalysts and azo initiators to yield polymers with low-polydispersity (,M,w,/,M,n,=1.1−1.5) and ideal monomer conversions (50%−90%) at moderate temperature. Moreover, 3-armstar polymers were also obtained by this method. The high chain-end fidelity of the obtained poly(methyl methacrylate) with iodine as chain-end group (PMMA-I) was confirmed by chain-extension reaction. The environmentally friendly initiators and organocatalysts exhibit powerful polymerization properties toward RTCP, providing a significant method to synthesize functional polymers.

关键词

Keywords

Reversible chain transfer catalyzed polymerizationOrganocatalystHalogen exchange

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Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange

Reversible Chain Transfer Catalyzed Polymerization with Alkyl Iodides Generated from Alkyl Bromides by in Situ Halogen Exchange

DOI：10.1007/s10118-021-2611-2

摘要

Abstract

关键词

Keywords

references