Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/5941
Title: Optimization of the polymerisation process of sulfinyl precursor polymers towards poly(p-phenylene vinylene)
Authors: VAN BREEMEN, Albert
Issaris, A.C.J.
DE KOK, Margreet
van der Borght, M.J.A.N.
ADRIAENSENS, Peter 
GELAN, Jan 
VANDERZANDE, Dirk 
Issue Date: 1999
Publisher: AMER CHEMICAL SOC
Source: Macromolecules, 32(18). p. 5728-5735
Abstract: The prerequisites for the polymerization process of sulfinyl monomers toward precursor polymers for poly(p-phenylenevinylene) were investigated. In this process, proton abstraction affords the premonomer anion, which is converted to the actual monomer, viz, a p-xylylene derivative. These p-xylylene derivatives polymerize spontaneously without external initiation. In hydrogen bond donor solvents (HBD solvents) like alcohols, three products can be isolated. High molecular weight polymer is formed together with a residual fraction that consists of a minor amount of premonomer and a large amount of solvent-substituted product. These solvent-substituted products are most likely formed by addition of a solvent anion to the actual monomer and cannot participate in the polymerization process anymore. Solvent substitution is therefore an important side reaction and has to be avoided. It was found that, in branched alcohols such as s-butanol, conversion of premonomer to actual monomer is very efficient, resulting in a rapid buildup of p-xylylene derivative. In this way the polymer yield was increased to 90%.
Keywords: CONJUGATED POLYMERS; VINYLENE); ROUTE; MECHANISM; LIGHT
Document URI: http://hdl.handle.net/1942/5941
DOI: 10.1021/ma9902246
ISI #: 000082516000003
Type: Journal Contribution
Validations: ecoom 2000
Appears in Collections:Research publications

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