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

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• 作者：Arnaud Vieyres ; Roberto P茅rez-Aparicio ; Pierre-Antoine Albouy ; Olivier Sanseau ; Kay Saalw盲chter ; Didier R. Long ; Paul Sotta
• 刊名：Macromolecules
• 出版年：2013
• 出版时间：February 12, 2013
• 年：2013
• 卷：46
• 期：3
• 页码：889-899
• 全文大小：532K
• 年卷期：v.46,no.3(February 12, 2013)
• ISSN：1520-5835

文摘

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.