Catalytic amounts of sodium hydroxide as additives for iron-mediated AGET ATRP of MMA

文献情報

出版日 2011-08-17

DOI 10.1039/C1PY00184A

インパクトファクター 5.582

著者

Ting Guo, Lifen Zhang, Hongjuan Jiang, Zhengbiao Zhang, Jian Zhu, Zhenping Cheng, Xiulin Zhu

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要旨

The atom transfer radical polymerization using activators generated by electron transfer (AGET ATRP) of methyl methacrylate (MMA) in the presence of catalytic amounts of sodium hydroxide (NaOH) was studied to examine the function of NaOH in this system, using ethyl 2-bromoisobutyrate (EBiB) as the initiator, oxidative FeCl3·6H2O as the catalyst, tris-(3,6-dioxa-heptyl)amine (TDA-1) as the ligand, glucose as the reducing agent, and tetrahydrofuran (THF) as the solvent at 90 °C. The polymerization rate can be increased significantly while keeping good controllability over molecular weights and molecular weight distributions. For example, the polymerization rate of solution AGET ATRP with a molar ratio of [MMA]0/[EBiB]0/[FeCl3·H2O]0/[TDA-1]0/[glucose]0/[NaOH]0 = 500/1/1/3/1/1.5 in the presence of a limited amount of air with NaOH was 1.6 times faster than that without NaOH and kept low molecular weight distribution (Mw/Mn < 1.35).

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Catalytic amounts of sodium hydroxide as additives for iron-mediated AGET ATRP of MMA

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