Citation: Xiaofei Zhang, Yang Wu, Jun Huang, Xuelang Miao, Zhengbiao Zhang, Xiulin Zhu. COPPER(0)-MEDIATED RADICAL POLYMERIZATION OF STYRENE AT ROOM TEMPERATURE[J]. Chinese Journal of Polymer Science, ;2013, 31(4): 702-712. doi: 10.1007/s10118-013-1243-6 shu

COPPER(0)-MEDIATED RADICAL POLYMERIZATION OF STYRENE AT ROOM TEMPERATURE

Received Date: 13 August 2012
Revised Date: 15 November 2012

Fund Project: The work was financially supported by the National Natural Science Foundation of China (Nos. 20904036 and 21174094), the Nature Science Key Basic Research of Jiangsu Province for High Education (No. 12KJA150007), and Creative Experiment Plan of Soochow University Undergraduates (57315977).

The living'/controlled radical polymerization (LRP) of styrene (St) at room temperature is rarely reported. In this work, copper(0) (Cu(0))-mediated radical polymerization of St at room temperature was investigated in detail. Dimethyl sulfoxide (DMSO), N,N-dimethylformamide (DMF) as well as a binary solvent, tetrahydrofuran/1,1,1,3,3,3-hexafluoro-2-propanol were used as the solvents, respectively. Methyl-2-bromopropionate and ethyl 2-bromoisobutyrate were used as the initiators, respectively. The polymerization proceeded smoothly with moderate conversions at room temperature. It was found that DMF was a good solvent with the essential features of LRP, while DMSO was a poor solvent with uncontrollable molecular weights. Besides, the match among the initiator, solvent and molar ratios of reactants can modulate the livingness of the polymerization, and the proper selection of ligand was also crucial to a controlled process. This work provided a first example of Cu(0)-mediated radical polymerization of St at room temperature, which would enrich and strength the LRP technique.
- Gel permeation chromatography (GPC),
- Kinetics (polym.),
- Cu(0)-mediated radical polymerization,
- Styrene
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