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Article Dans Une Revue Journal of polymer science. Part A-1, Polymer chemistry Année : 2015

Dispersion of Silica Nanoparticles Bearing Perfluorohexyl Units into Fluorinated Copolymers

Résumé

This study aims at determining the compatibility behavior of nanoparticles surface with fluorinated matrices to obtain a homogenous dispersion and better composites properties. First, modified silica nanoparticles by C6F13I and C6F13- C2H4-SH led to various fluorinated silica of different massic concentrations and grafting rates. The dispersion of these nanoparticles (in 5 wt %) into molten poly(VDF-co-HFP) and poly(TFE-co-HFP) matrices were studied as well as the hydrophobic, mechanical, and thermal properties of both fluorinated copolymers and resulting composites. In both series, the storage modulus of nanocomposites increased while the melting (Tm) and decomposition (T10%) temperatures varied with the polymer matrix. They increased for poly(VDF-co-HFP) composites (Tm5 134 to 144 C and T10%5 441 to 464 C) but decreased for poly(TFE-co-HFP) nanocomposites (Tm5 276 to 268 C and T10%5 488 to 477 C).

Dates et versions

hal-01120356 , version 1 (25-02-2015)

Identifiants

Citer

Nelly Durand, Jean-Pierre Habas, Bernard Boutevin, Bruno Ameduri. Dispersion of Silica Nanoparticles Bearing Perfluorohexyl Units into Fluorinated Copolymers. Journal of polymer science. Part A-1, Polymer chemistry, 2015, 53, pp.1512-1522. ⟨10.1002/pola.27586⟩. ⟨hal-01120356⟩
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