NDLI: Atom transfer radical polymerization of styrene with FeCl2/acetic acid as the catalyst system

Content Provider	Springer Nature Link
Author	Zhu, Shenim Yan, Deyue Zhang, Guosheng
Copyright Year	2001
Abstract	Atom transfer radical polymerization with FeCl2/CH3COOH as the catalyst has been successfully implemented for styrene. Various initiators have been used, among which carbon tetrachloride is the most effective one. High molecular weight products were obtained when CCl4 was used as the initiator, and the measured molecular weight was close to the calculated one. Block copolymerization (PS-b-PMMA) was performed to confirm the living/controlled nature of the polymerization. 1H NMR was used to characterize the structure of the macromolecular initiator and the block copolymer. If other initiators, such as benzyl bromide, ethyl 2-bromopropionate and α-bromoethyl benzene, were used, the polymerization occurred at ambient temperature resulting in oligomer. The molecular weight of the oligomer approaches to 4600 (Mn,th= 10000). Thus acetic acid, which is cheaper and less toxicity, can be used as coordinative ligand in ATRP initiated by CCl4 mediated by iron.
Starting Page	457
Ending Page	464
Page Count	8
File Format	PDF
ISSN	01700839
Journal	Polymer Bulletin
Volume Number	45
Issue Number	6
e-ISSN	14362449
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-01-22
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Condensed Matter Physics Polymers and Plastics

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Atom transfer radical polymerization of styrene with FeCl2/acetic acid as the catalyst system