Perspectivas y uso de materiales nanoestructurados en el mejoramiento de materiales reforzados poliméricos

  1. Vega-Baudrit, Jose-Roberto
  2. Sibaja Ballesteros, María R.
  3. Martín Martínez, José Miguel
  4. Porras, M.
Revista:
Revista Iberoamericana de Polímeros

ISSN: 0121-6651 1988-4206

Any de publicació: 2010

Volum: 11

Número: 7

Pàgines: 574-592

Tipus: Article

Altres publicacions en: Revista Iberoamericana de Polímeros

Resum

The aim of this paper is to study the effect of incorporating a hydrophilic fumed nanosilica in the formulation of polyurethane adhesives with different NCO/OH to improve its thermal, rheological and adhesive properties. Hydrophilic fumed silica was incorporated to polyurethane adhesives with different NCO/OH. The hypothesis is that the degree of phase segregation of the polyurethane is affected by the presence of silica and the formation of hydrogen bonds. Therefore, there should be a variation of properties in polyurethanes in response to the presence of dispersed silica.