Atom transfer radical polymerization of styrene initiated by the novel initiator N-bromosuccinimide

Verfasser / Beitragende:
[Wei Zhang, Xiulin Zhu, Jian Zhu]
Ort, Verlag, Jahr:
2004
Enthalten in:
e-Polymers, 4/1(2004-12-01), 204-211
Format:
Artikel (online)
ID: 378903705
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024 7 0 |a 10.1515/epoly.2004.4.1.204  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1515/epoly.2004.4.1.204 
245 0 0 |a Atom transfer radical polymerization of styrene initiated by the novel initiator N-bromosuccinimide  |h [Elektronische Daten]  |c [Wei Zhang, Xiulin Zhu, Jian Zhu] 
520 3 |a Heterogeneous atom transfer radical polymerization of styrene initiated by N-bromosuccinimide in bulk was successfully carried out with CuBr/2,2'-bipyridine as the catalyst. The kinetics follow first order in monomer and molecular weights (polydispersities Mw/Mn = 1.23 - 1.66) increase linearly with monomer conversion, indicating the ‘living'/controlled nature of the polymerization. However, the number-average molecular weights were usually higher than the theoretical ones. That demonstrates the relatively low efficiency of the initiator, the causes of which are discussed. The obtained polystyrenes functionalized with α-α-pyrrolidine- 2,5-dionyl and ω-Br as the end groups were characterized by 1H NMR spectroscopy. They can be used as macroinitiators for chain extension reaction. A polymerization mechanism for this novel initiation system is proposed. 
540 |a © 2013 by Walter de Gruyter GmbH & Co. 
700 1 |a Zhang  |D Wei  |u School of Chemistry & Chemical Engineering, Suzhou University, Suzhou 215006, P. R. of China; Fax 86-512-65112796  |4 aut 
700 1 |a Zhu  |D Xiulin  |u School of Chemistry & Chemical Engineering, Suzhou University, Suzhou 215006, P. R. of China; Fax 86-512-65112796  |4 aut 
700 1 |a Zhu  |D Jian  |u School of Chemistry & Chemical Engineering, Suzhou University, Suzhou 215006, P. R. of China; Fax 86-512-65112796  |4 aut 
773 0 |t e-Polymers  |d De Gruyter  |g 4/1(2004-12-01), 204-211  |x 2197-4586  |q 4:1<204  |1 2004  |2 4  |o epoly 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhang  |D Wei  |u School of Chemistry & Chemical Engineering, Suzhou University, Suzhou 215006, P. R. of China; Fax 86-512-65112796  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhu  |D Xiulin  |u School of Chemistry & Chemical Engineering, Suzhou University, Suzhou 215006, P. R. of China; Fax 86-512-65112796  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhu  |D Jian  |u School of Chemistry & Chemical Engineering, Suzhou University, Suzhou 215006, P. R. of China; Fax 86-512-65112796  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t e-Polymers  |d De Gruyter  |g 4/1(2004-12-01), 204-211  |x 2197-4586  |q 4:1<204  |1 2004  |2 4  |o epoly 
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