Notroxide Mediated Radical Polymerization of Styrene Irradiated by TEMPO with UV Light

Chem. J. Chinese Universities

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Notroxide Mediated Radical Polymerization of Styrene Irradiated by TEMPO with UV Light

HUANG Jian-Ying¹*, ZOU You-Si²

1. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China;
2. Department of Materials Science and Engineering, Xiamen University, Xiammen 361005, China

Received:2007-12-03 Revised:1900-01-01 Online:2008-08-10 Published:2008-08-10
Contact: HUANG Jian-Ying

Abstract

Abstract: Nitroxide mediated radical polymerization(NMRP) was employed to synthesize polystyrene in the presence of TEMPO irradiated with UV light at 50 ℃. The polymerization exhibited the characteristic of a controlled polymerization. In comparison with the thermal-initiated polymerization, the condition of UV-irradiated polymerization is milder and the rate is faster. The photopolymerization can be realized at 50 ℃ and the conversion can reach 99% within 10 h. The influence of concentration of photo-initiator and light intensity was discussed. The molecular weight can be controlled in the range of 3×10⁴—1×10⁵ and the higher light intensity is good for controlling the polymerization.

Key words: UV-irradiated polymerization, Nitroxide mediated radical polymerization(NMRP), Styrene

CLC Number:

O631

TrendMD:

HUANG Jian-Ying¹*, ZOU You-Si². Notroxide Mediated Radical Polymerization of Styrene Irradiated by TEMPO with UV Light[J]. Chem. J. Chinese Universities, doi: .

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Notroxide Mediated Radical Polymerization of Styrene Irradiated by TEMPO with UV Light

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