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Synthesis of Polyurethane/Poly(1,1,2,2-tetrahydroperfluorodecyl acrylate) Particles in Supercritical Carbon Dioxide

✍ Scribed by Benjamin Renault; Eric Cloutet; Patrick Lacroix-Desmazes; Henri Cramail

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 320 KB
Volume: 209
Category: Article
ISSN: 1022-1352
DOI: 10.1002/macp.200700497

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✦ Synopsis

Abstract

A new range of end‐functionalized poly(1,1,2,2‐tetrahydroperfluorodecyl acrylate)s was synthesized by ATRP. Such macromonomers were used as reactive and steric stabilizers for the preparation of original core‐shell polyurethane particles in supercritical carbon dioxide. The nature of the chain end functionality, as well as the molar mass of the reactive stabilizer, were varied in order to investigate the role of such parameters on the properties of the resulting materials. Due to the low surface energy of PFDA combined with the high surface roughness induced by the specific microstructure of particles deposited on a silica plate, PUR materials exhibited super‐hydrophobic behavior with a water CA above 150°.

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