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[期刊论文]

RATRP of styrene/CTAB/water microemulsion systems

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author:

Yang, J. (Yang, J..) [1] | Li, B. (Li, B..) [2] | Li, X. (Li, X..) [3] (Scholars:李晓) | Unfold

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Scopus PKU

Abstract:

The polymerization of styrene in reverse atom transfer radical polymerization (RATRP) microemulsions with cetyltrimethyl ammonium bromide (CTAB) as surfactant, CuBr2 as catalyst and 2, 2′-bipyridine as ligand respectively in the presence of different initiators was studied. The results show that the system with azobi-sisobutyronitrile (AIBN) as initiator is unstable during polymerization. In the system with potassium persulfate (KPS) as initiator, the degree of conversion drops sharply with increase of the amount of catalyst/ligand complex. While KPS-tetramethylethylenediamine (TMEDA) is used as complex initiator, the loss of control in initial pe riod is weakened at lower polymerization temperatures and the atom transfer between the active and dormant species is heightened at higher polymerization temperatures. The polydispersity indexes (PDF) of relative molecular mass of the products are below 1.5. The size of latex particles is on nano scale.

Keyword:

Atom transfer radical polymerization; Cetyltrimethyl ammonium bromide; Initiator; Microemulsion polymerization; Styrene

Community:

  • [ 1 ] [Yang, J.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Li, B.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Li, X.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 4 ] [Li, X.]State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
  • [ 5 ] [Zhang, W.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 6 ] [Dan, Y.]State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China

Reprint 's Address:

  • 李晓

    [Li, X.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China

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Source :

China Synthetic Resin and Plastics

ISSN: 1002-1396

CN: 11-2769/TQ

Year: 2009

Issue: 6

Volume: 26

Page: 18-21

Cited Count:

WoS CC Cited Count: 0

30 Days PV: 0

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