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2009-04-01 - Article/Dans un journal avec peer-review - Anglais - 8 page(s)

Labruyère Céline, Monteverde F., Alexandre M., Dubois Philippe , "Exfoliation of clays in PDMS rubber using an unexpected couple: a silicone surfactant and water" in Journal of Nanoscience and Nanotechnology, 9, 4, 2731-2738

  • Edition : Amer Scientific Publishers, Stevenson Ranch (CA)
  • Codes CREF : Chimie macromoléculaire (DI1315), Catalyses hétérogène et homogène (DI1334)
  • Unités de recherche UMONS : Matériaux Polymères et Composites (S816)
  • Instituts UMONS : Institut de Recherche en Science et Ingénierie des Matériaux (Matériaux)
Texte intégral :

Abstract(s) :

(Anglais) Poly(dimethylsiloxane) (PDMS)/montmorillonite (MMT) composites have been prepared using a newly synthesized omega-ammonium functionalized poly(dimethylsiloxane) compatibilizer coupled with a dispersion technique in water. The organoclay containing the new siloxane surfactant was characterized by TGA and XRD. For the first time, a nanoscopic dispersion of MMT nanoplatelets in the PDMS composite cured by hydrosilylation and a good compatibility between clay layers and matrix were obtained. The beneficial effect of both the surfactant and the water onto clay nanoplatelet dispersion was evaluated by different microscopy techniques and by measuring different properties such as the viscosity of the uncured PDMS/MMT nanodispersions, and the swelling rate and Young's modulus of the cured PDMS/MMT nanocomposites.

Identifiants :
  • DOI : 10.1166/jnn.2009.471