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NITROXIDE-MEDIATED FREE RADICAL SYNTHESIS OF MESOGEN-JACKETED LIQUID CRYSTAL POLYMERS* |
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| Authors: | Xin-hua Wan Hui-lin Tu Ying-feng Tu Dong Zhang Ling Sun Qi-feng Zhou Yu-ping Dong Mao Tang |
| Affiliation: | Department of Polymer Science & Engineering; College of Chemistry; Peking University; Beijing 100871; China Department of Materials & Chemical Engineering; Beijing Institute of Technology; Beijing 100081; China |
| Abstract: | The first TEMPO-mediated "living" free radical polymerization of liquid crystallinemonomer, 2, 5-bis[(4-methoxyphenyl)oxycarbonyl]styrene(MPCS), was carried out at 130℃ withBPO as an initiator. The molecular weight of the polymer can be varied from rather low values to highvalues while maintaining narrow polydispersity. It was observed that the polymerization of MPCSproceeded much faster than that of styrene. A tentative explanation for this fast polymerization wassuggested. |
| Keywords: | TEMPO, " Living" free radical polymerization,Mesogen-jacketed liquid crystal polymer,Mesophase polymerization |
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