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Article Dans Une Revue e-Polymers Année : 2019

Use of mesoporous silica as a reinforcing agent in rubber compounds

Résumé

Mesoporous silica is used as filler for styrene-butadiene rubber (SBR); filler-polymer interactions are compared with those exhibited when Ultrasil silica (VN3) is used. A silane coupling agent is added to improve filler dispersion and its influence on the bound-rubber formation is also investigated. The bound-rubber content is higher for the mesoporous silica and increases further for the sample containing silane. The increase is explained by chemical interactions between filler and rubber and penetration of the rubber chains into the mesopores. This is con-firmed by 13C solid-state NMR, IR spectroscopy and differential scanning calori-metry. Dynamic mechanical thermal analysis shows higher storage modulus for the rubber filled with mesoporous silica.

Dates et versions

hal-04417607 , version 1 (25-01-2024)

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Betty L. Lopez, León Dario Perez, Mónica Mesa, Ligia Sierra, Eric Devaux, et al.. Use of mesoporous silica as a reinforcing agent in rubber compounds. e-Polymers, 2019, e-Polymers, -, ⟨10.1515/epoly.2005.5.1.182⟩. ⟨hal-04417607⟩

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