www.uhasselt.be
DSpace

Document Server@UHasselt >
Research >
Research publications >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3499

Title: New synthetic routes to poly(isothianaphthene) .2. Mechanistic aspects of the reactions of phthalic anhydride and phthalide with phosphorus pentasulfide
Authors: Van Asselt, R.
VANDERZANDE, Dirk
GELAN, Jan
Froehling, P.E.
Aagaard, O.
Issue Date: 1996
Publisher: JOHN WILEY & SONS INC
Citation: JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 34(8). p. 1553-1560
Abstract: The results of some mechanistic studies on the formation of poly(isothianaphthene) from phthalic anhydride and phthalide by reaction with phosphorus pentasulfide (P4S10) are described. Based on the observed intermediates during the polymerization and their reactivity, it is proposed that both reactions occur by a sequence of substitution (thionation), isomerization, and polymerization reactions. P4S10 is the most efficient reagent for the conversion of phthalic anhydride and phthalide, and Lawesson's Reagent (a commonly used thionating reagent) gives less satisfactory results. It is suggested that P4S10 assists the rate-determining step. Oxygen-containing monomers do not polymerize in the absence of a thionating reagent under the conditions for the synthesis of PITN, thereby keeping the incorporation of oxygen into the polymeric backbone to a minimum. (C) 1996 John Wiley & Sons, Inc.
Notes: UNIV LIMBURG,DIV CHEM,MAT RES INST,B-3590 DIEPENBEEK,BELGIUM. DSM RES BV,6160 MD GELEEN,NETHERLANDS.
URI: http://hdl.handle.net/1942/3499
DOI: 10.1002/(SICI)1099-0518(199606)34:8<1553::AID-POLA19>3.0.CO;2-7
ISI #: A1996UK94800023
ISSN: 0887-624X
Type: Journal Contribution
Appears in Collections: Research publications

Files in This Item:

There are no files associated with this item.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.