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Polymer Bulletin
Erschienen in: Polymer Bulletin 7/2011

01.04.2011 | Original Paper

Improving oxidation stability and mechanical properties of natural rubber vulcanizates filled with calcium carbonate modified by gallic acid

verfasst von: Sirilux Poompradub, Thirapat Luthikaviboon, Srisuwan Linpoo, Rojrit Rojanathanes, Pattarapan Prasassarakich

Erschienen in: Polymer Bulletin | Ausgabe 7/2011

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Abstract

A novel technique to modify the surface of calcium carbonate (CaCO3) nanoparticles, used as an antioxidant and reinforcing filler, by gallic acid is disclosed. The new properties of the modified CaCO3 could make it more useful and practical for the rubber industry. Thermal gravimetric (TGA), Fourier transform infrared spectroscopy, and transmission electron microscopy analyses showed that the gallic acid was bound onto the surface of CaCO3. The gallic acid modified CaCO3 exhibited a significant antioxidation property, as revealed by the 2,2-diphenyl-1-picrylhydrazyl (DPPH) analysis. The mechanical properties of natural rubber vulcanizates filled with the gallic acid modified CaCO3 showed an enhanced reinforcement with increasing loading levels, and increased resistance to ozonolysis over that seen with the unmodified CaCO3 mixed with Irganox 1010 as the commercial antioxidant.
Vorheriger Artikel Effect of tensile strain on the electrical resistivity of silver-coated fly ash cenospheres/silicone-rubber composites
Nächster Artikel Enhancement of physical properties of thermoplastic polyether-ester elastomer by reactive extrusion with chain extender

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Metadaten
Titel
Improving oxidation stability and mechanical properties of natural rubber vulcanizates filled with calcium carbonate modified by gallic acid
verfasst von
Sirilux Poompradub
Thirapat Luthikaviboon
Srisuwan Linpoo
Rojrit Rojanathanes
Pattarapan Prasassarakich
Publikationsdatum
01.04.2011
Verlag
Springer-Verlag
Erschienen in
Polymer Bulletin / Ausgabe 7/2011
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-010-0396-5

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