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Paper Information

Journal:   IRANIAN POLYMER JOURNAL (ENGLISH)   2004 , Volume 13 , Number 6; Page(s) 511 To 518.
 
Paper: 

POLYSTYRENE GRAFTED TO ABS BACKBONE BY “LIVING” RADICAL POLYMERIZATION WITH TEMPO

 
 
Author(s):  BANI F., ABBASIAN M., AFSHAR TAROMI F., ENTEZAMI A.A.*
 
* Polymer Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz-51664, I.R. Iran
 
Abstract: 

A stable free radical (2,2,6,6-tetramethylpiperidinyl-1-oxy, TEMPO) polymerization technique was applied to a graft polymerization of styrene (ST) to acrylonitrile-butadiene-styrene terpolymer(ABS). Initially the adduct 1-benzoyl-2-phenyl-2- (2',2',6',6'-tetramethyl-piperidinyl-1'-oxy) ethane (BZ-TEMPO) obtained by reacting benzoyl peroxide, styrene and TEMPO, was isolated, characterized and hydrolyzed to the corresponding 1-hydroxyl derivative (HO-TEMPO). The hydroxyl product (HO-TEMPO) that contained a primary hydroxyl group was coupled with brominated ABS (ABS-Br) to yield the macroinitiator ABS (ABS-TEMPO). This macroinitiator was used to prepare the controlled graft copolymer PS-g-ABS by “living” free radical polymerization of styrene onto ABS. The product was purified and identified by 1H NMR and IR spectroscopy.

 
Keyword(s): ABS, LIVING RADICAL POLYMERIZATION, TEMPO, GRAFT COPOLYMERIZATION
 
References: 
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