Copper(0)-Mediated Living Radical Copolymerization of Styrene and Methyl Methacrylate at Ambient Temperature

被引：27

作者：

Gao, Jinlong ^{[1
]}

Zhang, Zhengbiao ^{[1
]}

Zhou, Nianchen ^{[1
]}

Cheng, Zhenping ^{[1
]}

Zhu, Jian ^{[1
]}

Zhu, Xiulin ^{[1
]}

机构：

[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Prov Key Lab Organ Synth, Suzhou 215123, Peoples R China

来源：

MACROMOLECULES | 2011年 / 44卷 / 09期

关键词：

FRAGMENTATION CHAIN TRANSFER; EVALUATED RATE COEFFICIENTS; RAFT PROCESS; SET-LRP; POLYMERIZATION; PROPAGATION; KINETICS; ACRYLATE; 25-DEGREES-C; CONSTANTS;

D O I：

10.1021/ma102820m

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this work, Cu(0)-mediated copolymerization of methyl methacrylate (MMA) and styrene (St) was explored. The polymerization was carried out at 25 degrees C with N,N,N',N '',N ''-pentamethyldiethylenetriamine as ligand and N,N-dimethylformamide as solvent. The copolymerization proceeded successfully while demonstrating characteristics of "living"/controlled radical polymerization. On the basis of the H-1 NMR spectra, the reactivity ratios of MMA and St were calculated to be 0.545 and 0.507, respectively, indicating a random copolymerization. In the case of dimethyl sulfoxide as the solvent, the copolymerization was out of control. The selection of initiator and concentration of Cu(0)/ligand were also important to the controlled process.

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收藏

页码：3227 / 3232

页数：6

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