Iron-mediated AGET ATRP of Methyl Methacrylate in the Presence of Catalytic Amounts of Base

被引：13
|
作者：
He, Wenjing [1 ]
Zhang, Lifen [1 ]
Bai, Liangjiu [1 ]
Zhang, Zhengbiao [1 ]
Zhu, Jian [1 ]
Cheng, Zhenping [1 ]
Zhu, Xiulin [1 ]
机构：
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Dept Polymer Sci & Engn, Jiangsu Key Lab Adv Funct Polymer Design & Applic, Suzhou 215123, Peoples R China
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2011年 / 212卷 / 14期
基金：
中国国家自然科学基金;
关键词：
additives; ATRP; AGET ATRP; iron catalysts; living radical polymerization; TRANSFER RADICAL POLYMERIZATION; ACTIVATION RATE CONSTANTS; ELECTRON-TRANSFER; SIMULTANEOUS REVERSE; NORMAL INITIATION; ARGET ATRP; STYRENE; COPOLYMERS; ACRYLATES; COMPLEX;
D O I：
10.1002/macp.201100073
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel method for iron-mediated atom transfer radical polymerization with activators generated by electron transfer (AGET) ATRP of a polar monomer, methyl methacrylate (MMA), is developed in the presence of catalytic amounts of inorganic base NaHCO3 or Na2CO3. The polymerization is carried out using FeCl3 center dot 6H(2)O as the catalyst, triphenylphosphine as the ligand, ethyl 2-bromoisobutyrate as the initiator, and vitamin C as the reducing agent at 70 degrees C. It is found that the addition of base into the polymerization system enhances the polymerization rate significantly but does not destroy the controllability over the molecular weight and molar-mass dispersity.
引用
收藏
页码：1474 / 1480
页数：7
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