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Formation of polyacrylate brushes on silica surfaces

✍ Scribed by J Parvole; L Billon; J P Montfort

Book ID
104526595
Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
111 KB
Volume
51
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

We report the formation of polyacrylate (molten state polymers: T~g~ < room temperature) monolayers attached onto silica surfaces using covalently bonded initiators for radical‐chain polymerisation. In a first reaction step, the initiator is self‐assembled on the surface. In a subsequent reaction, the initiator is activated and the polymer formed in situ at the surface of the substrate with high grafting density (‘grafting from’ procedure). Moreover, the use of a living free radical process permits the molecular weight and polydispersity of the polymer chains to be controlled, and thus the polymer monolayer thickness also. We have also made a preliminary qualitative characterisation by X‐ray spectroscopy (XPS) and Fourier transformed infrared (FTIR) measurements.

© 2002 Society of Chemical Industry

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