Sulfur-Cured Natural Rubber Elastomer Networks: Correlating Cross-Link Density, Chain Orientation, and Mechanical Response by Combined Techniques

We present a combination of independent techniques in order to characterize vulcanized natural rubber elastomer networks. We combine solid state proton multiple-quantum NMR, equilibrium swelling, mechanical experiments, and in-situ tensile X-ray scattering measurements, all of them giving access to...

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Bibliographic Details
Published in:Macromolecules 2013-02, Vol.46 (3), p.889-899
Main Authors: Vieyres, Arnaud, Pérez-Aparicio, Roberto, Albouy, Pierre-Antoine, Sanseau, Olivier, Saalwächter, Kay, Long, Didier R, Sotta, Paul
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Natural polymers
Natural rubber
Physicochemistry of polymers
Physics
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Summary:We present a combination of independent techniques in order to characterize vulcanized natural rubber elastomer networks. We combine solid state proton multiple-quantum NMR, equilibrium swelling, mechanical experiments, and in-situ tensile X-ray scattering measurements, all of them giving access to the segmental orientation effects in relation to the cross-linking of the systems. By means of the combination of these techniques, we investigate a set of unfilled natural rubber networks with different levels of cross-linking. The relevance of this work is the application of this approach in order to study the reinforcement effect in filled elastomers with nanoparticles in a following work.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma302563z