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Article Dans Une Revue Journal of Applied Polymer Science Année : 2013

Layered Double Hydroxyde platelets exfoliation into a water-based polyester

C.H. Swanson
  • Fonction : Auteur
Thomas Stimpfling
  • Fonction : Auteur
MI
A.-L. Troutier-Thulliez
  • Fonction : Auteur
H. Hintze-Bruening
  • Fonction : Auteur
Fabrice Leroux
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MI

Résumé

Nitrate layered double hydroxide (LDH) phase Zn2Al(OH)6(NO3)*2H2O is successfully exfoliated in the presence of polyester under mild conditions using water as essential solvent and at room temperature under air. From small angle X-ray scattering spectroscopy a total exfoliation is found to be achieved using up to 10 wt % LDH, while intercalated polymer nanocomposite structures largely extended up to 14 nm are observed for loading ranging from 10 to 20 wt %. The process is found to be explained by the diffusion of the polymer chain into the interlayer host structure. Starting from an initial value of 0.89 nm, ≈3, 7, 10, 14, and 20 nm transient interleaved nanostructures are formed without any carbonate uptake. The collective gap distance is certainly due to a defined number of polymer chains diffusing into the LDH interstices. Similarly, starting from an aqueous polyester solution highly concentrated in LDH nitrate phase up to 50% w.w, successive dilutions yield platelet exfoliation, thus rendering a smooth chemistry process attractive for potential applications
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Dates et versions

hal-00803247 , version 1 (21-03-2013)

Identifiants

  • HAL Id : hal-00803247 , version 1

Citer

C.H. Swanson, Thomas Stimpfling, A.-L. Troutier-Thulliez, H. Hintze-Bruening, Fabrice Leroux. Layered Double Hydroxyde platelets exfoliation into a water-based polyester. Journal of Applied Polymer Science, 2013, 128, pp.2954-2960. ⟨hal-00803247⟩
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