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.

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More publications in: Revista Iberoamericana de Polímeros

Abstract

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.

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