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Reactive surfactants in heterophase polymerization for high performance polymers
Authors:E T W M Schipper  O Sindt  T Hamaide  P Lacroix-Desmazes  B Müller  A Guyot  M J W A van den Enden  F Vidal  J J G S van Es  A L German  A Montaya Goñi  D C Sherrington  H A S Schoonbrood  J M Asua  M Sjöberg
Institution:(1) Laboratoire de Chimie et Procédés de Polymérisation CNRS-CPE Lyon-Bat. 308 F-BP 3077 69626 Villeurbanne cédex France, FR;(2) Laboratory of Polymer Chemistry Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven The Netherlands, NL;(3) Department of Pure and Applied Chemistry University of Strathclyde 295 Cathedral Street Glasgow G1 1XL, Scottland United Kingdom, GB;(4) University Pais Vasco San Sebastian Spain, ES;(5) Ytkemiska Institutet Institute for Surface Chemistry Box 5607, S-114 86 Stockholm Sweden, SE
Abstract: A variety of nonionic reactive surfactants have been prepared from block copolymer precursors. These precursors are formed from a commercially available polyoxyethylene glycol monomethylether as the hydrophilic sequence of the surfactant; this product is used as initiator of ring opening anionic polymerization of butylene oxide. Finally the reactive surfactants are obtained after proper functionalization of the precursor. The reactive surfactants are an inisurf with an asymmetric azo compound, a transurf with a thiol group, and a few surfmers with acrylic, methacrylic, styrenic and α-methyl styrenic reactive groups. These compounds have been engaged in styrene emulsion or dispersion polymerization. Several of them have been found to be useful for preparing stable latices. Received: 22 July 1997 Accepted: 11 December 1997
Keywords:Block-copolymers  polyethylene oxide  polybutylene oxide  reactive surfactants  emulsion polymerization  dispersion polymerization
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