Article

Morphology of Different Epoxy-Amine Systems Modified with a Thermoplastic: Influence of Temperature, Thermoplastic Concentration and Molecular Structure of Epoxy Systems

  1. Carmen Ramírez,
  2. Maite Rico,
  3. Joaquín López*,
  4. Belén Montero,
  5. Marcelino Ladra

Article first published online: 11 JUL 2008

DOI: 10.1002/masy.200850716

Issue

Macromolecular Symposia

Macromolecular Symposia

Special Issue: Nanostructured Polymers and Polymer Nanocomposites

Volume 267, Issue 1, pages 90–94, June 2008

Additional Information

How to Cite

Ramírez, C., Rico, M., López, J., Montero, B. and Ladra, M. (2008), Morphology of Different Epoxy-Amine Systems Modified with a Thermoplastic: Influence of Temperature, Thermoplastic Concentration and Molecular Structure of Epoxy Systems. Macromol. Symp., 267: 90–94. doi: 10.1002/masy.200850716

Author Information

  1. Dpto de Física, Universidad de A Coruña. E. U. P. Avda. 19 de Febrero s/n 15405 Ferrol, Spain

*Dpto de Física, Universidad de A Coruña. E. U. P. Avda. 19 de Febrero s/n 15405 Ferrol, Spain.

Publication History

  1. Issue published online: 11 JUL 2008
  2. Article first published online: 11 JUL 2008

SEARCH

SEARCH BY CITATION

ARTICLE TOOLS

Get PDF (183K)

Keywords:

  • morphology;
  • phase separation;
  • degree of crosslinking;
  • thermoplastics;
  • epoxy-amine system

Abstract

The morphologies generated by polymerization induced phase separaron (PIPS) in different epoxy-amine systems modified with a thermoplastic, polystyrene (PS), were studied by SEM. The amino groups of the epoxy-amine systems were provided by a monoamine and a diamine in different proportions, so that the resulting polymer would vary from a linear polymer (epoxy-MA) to a highly crosslinked polymer (epoxy-DA). The effects of reaction temperature, initial modifier concentration and degree of crosslinking of epoxy-amine system on the morphology were discussed and trends for the size, distribution and concentration of dispersed particles were deduced. Different types of morphologies were obtained depending on the initial PS content. Typical morphologies of compositions close to critical point were observed for the 9 and 12 wt. % of PS in all the studied systems.

Get PDF (183K)