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International Journal of Polymer Science
Volume 2016, Article ID 4527526, 10 pages
Research Article

Synthesis of Poly(styrene-acrylates-acrylic acid) Microspheres and Their Chemical Composition towards Colloidal Crystal Films

1Centro de Graduados e Investigación en Química, Instituto Tecnológico de Tijuana, A.P. 1166, 22000 Tijuana, BC, Mexico
2Centro de Investigación en Materiales Avanzados S. C. (CIMAV), Miguel de Cervantes 120, 31109 Chihuahua, CHIH, Mexico

Received 28 August 2016; Revised 23 October 2016; Accepted 17 November 2016

Academic Editor: Önder Pekcan

Copyright © 2016 Luis A. Ríos-Osuna et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this paper, polystyrene colloidal microspheres have been prepared using hexyl acrylate (HA), ethylhexyl acrylate (EHA), isooctyl acrylate (IOA), butyl acrylate (BA), or isobutyl acrylate (IBA) as comonomers. Microspheres with diameters from 212 to 332 nm and with a polystyrene content of 65–78% were prepared. The particles prepared in this work do not present the typical core-shell structure; as a consequence, DSC analysis showed that the microspheres exhibited only one . TEM images show that the particles with comonomer content below ~30% were spherical and regular. Microspheres containing comonomer between 21 to 25% produced the less brittle films showing very iridescent colors. The films prepared from microspheres containing hexyl, ethylhexyl, and isooctyl acrylate as comonomers are firmly attached to the substrate due to their adhesive properties. The large decrease of the fragility observed in these films makes them much more attractive materials in sensing applications.