An ATRP-based approach towards water-borne anisotropic polymer-Gibbsite nanocomposites

Polymer-Gibbsite composite latex particles were synthesised via an atom transfer radical polymerisation (ATRP) based approach. A random ATRP cooligomer, consisting of acrylic acid and butyl acrylate units, was synthesized using ATRP. This cooligomer was used as a stabiliser for the Gibbsite platelet...

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Bibliographic Details
Published in:Polymer chemistry 2016-01, Vol.7 (2), p.3383-3391
Main Authors: Loiko, Olessya P, Spoelstra, Anne B, van Herk, Alexander M, Meuldijk, Jan, Heuts, Johan P. A
Format: Article
Language:English
Subjects:
Aluminum base alloys
Anisotropy
Copper
Emulsions
Feeding
Latex
Particulate composites
Polymerization
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Summary:Polymer-Gibbsite composite latex particles were synthesised via an atom transfer radical polymerisation (ATRP) based approach. A random ATRP cooligomer, consisting of acrylic acid and butyl acrylate units, was synthesized using ATRP. This cooligomer was used as a stabiliser for the Gibbsite platelets and served as a macroinitiator for copper-mediated starved-feed emulsion polymerisation. Using a hydrophobic ligand for Cu 2+ and optimising the feeding profile of ascorbic acid and the [ascorbic acid]/[Cu 2+ ] ratio, successful Activator ReGenerated by Electron Transfer (ARGET) ATRP emulsion polymerisation was conducted in a controlled way, using only the anionic ATRP cooligomer as a surfactant. Cryo-TEM characterisation revealed a "muffin-like" morphology of the resulting composite latex particles, which was not affected by monomer feed composition and feeding profile. This paper describes the synthesis of anisotropic polymer-Gibbsite nanocomposites with "muffin-like" morphology via a starved-feed ATRP emulsion polymerisation.
ISSN:1759-9954
1759-9962
DOI:10.1039/c6py00225k