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Bismuth complex catalysts for the in situ preparation of polycaprolactone/silicate bionanocomposites
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2014 (English)In: Polymer international, ISSN 0959-8103, E-ISSN 1097-0126, Vol. 63, no 4, 709-717 p.Article in journal (Refereed) Published
Abstract [en]

Solvent-free, bismuth-catalysed in situ polymerization of caprolactone in the presence of layered silicates enables the formulation of a series of polycaprolactone/silicate bionanocomposites. Three organophilic montmorillonites obtained by cationic exchange reaction with tetrabutylammonium iodide, benzyltriethylammonium chloride and vinylbenzyltriphenylphosphonium chloride salts, respectively, were used as reinforcing reagents for these materials. The effects of clay and bismuth catalyst type (bismuth(III) acetate and triphenylbismuth) are discussed on the basis of composite morphologies and molecular weights of resulting polymers.

Place, publisher, year, edition, pages
2014. Vol. 63, no 4, 709-717 p.
Keyword [en]
organoclay, poly(epsilon-caprolactone), in situ ring-opening polymerization, bismuth complex, bionanocomposites
National Category
Polymer Chemistry
URN: urn:nbn:se:kth:diva-145775DOI: 10.1002/pi.4576ISI: 000332393600016ScopusID: 2-s2.0-84896716311OAI: diva2:723560
Swedish Research Council, 2008-6138

QC 20140611

Available from: 2014-06-11 Created: 2014-06-02 Last updated: 2014-06-11Bibliographically approved

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Carlmark, Anna
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