Nanoindentation and tapping mode AFM study of phase separation in poly(ethyl acrylate-co-hydroxyethyl methacrylate) copolymer networks

Salmerón-Sánchez, M. , Molina Mateo, J., Romero Colomer, F.J. and Gómez Ribelles, J.L. (2006) Nanoindentation and tapping mode AFM study of phase separation in poly(ethyl acrylate-co-hydroxyethyl methacrylate) copolymer networks. European Polymer Journal, 42(6), pp. 1378-1383. (doi:10.1016/j.eurpolymj.2005.12.018)

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Abstract

According to our previous results the free radical copolymerization of ethyl acrylate and hydroxyethyl methacrylate gives rise to a system having chain composition and morphology different from that of the random mixture in the original solution. Besides, structural relaxation experiments revealed the existence of composition heterogeneity in the material. In this work, a deeper insight in the structure of this system is gained using atomic force microscopy (AFM) in the tapping mode and nanoindentation experiments. The material architecture of the copolymerized system is revealed to be formed by nanoaggregates as a consequence of the non-random polymerization process of the comonomers.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Salmeron-Sanchez, Professor Manuel
Authors: Salmerón-Sánchez, M., Molina Mateo, J., Romero Colomer, F.J., and Gómez Ribelles, J.L.
College/School:College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:European Polymer Journal
ISSN:0014-3057
ISSN (Online):1873-1945
Published Online:21 February 2006

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