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Characterization of Polymer Layered Silicate Nanocomposites by Rheology and Permeability Methods: Impact of the Interface Quality

Wache, R, Klopffer, M-H and Gonzalez, S (2014) Characterization of Polymer Layered Silicate Nanocomposites by Rheology and Permeability Methods: Impact of the Interface Quality Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles.

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Abstract

Polymer clay nanocomposites are mostly described as materials with improved properties. However, many studies are not concluding about the possible benefits. This work reports permeability measurements on different polyolefins nanocomposites. Clay exfoliation has been proved by various techniques. Unfortunately, the nanocomposite does not exhibit good barrier properties. Hence, permeability coefficients were found to increase. A poor quality of the interface between filler and medium is likely to be responsible for this degradation. Insufficient interactions between silicate layers and the surrounding polymer lead to preferential pathways for diffusion. Organoclay exfoliation does not necessarily lead to better barrier properties. A good quality of the interface between polymer and filler is required to reach a high performance level. The standard techniques used to characterize exfoliation degree do not permit to highlight this kind of phenomena.

Item Type: Article
Authors :
NameEmailORCID
Wache, Rr.wache@surrey.ac.ukUNSPECIFIED
Klopffer, M-HUNSPECIFIEDUNSPECIFIED
Gonzalez, SUNSPECIFIEDUNSPECIFIED
Date : 20 March 2014
Identification Number : https://doi.org/10.2516/ogst/2013196
Contributors :
ContributionNameEmailORCID
UNSPECIFIEDRopital, FUNSPECIFIEDUNSPECIFIED
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:30
Last Modified : 17 May 2017 13:30
URI: http://epubs.surrey.ac.uk/id/eprint/839470

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