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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 2/2011

01.05.2011 | Original Paper

In situ silica reinforcement of methyl methacrylate grafted natural rubber by sol–gel process

verfasst von: Natchamon Watcharakul, Sirilux Poompradub, Pattarapan Prasassarakich

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2011

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Abstract

In situ silica reinforcement of natural rubber (NR) grafted with methyl methacrylate (MMA) (MMA-GNR) was achieved via the sol–gel reaction of tetraethoxysilane (TEOS) by the use of solid rubber and latex solutions. Silica contents within the MMA-GNR as high as 48 and 19 phr were obtained when using the solid rubber and latex solutions, respectively, under optimum conditions. The conversion efficiency of TEOS to silica was close to 95%. The in situ formed silica MMA-GNR/NR composite vulcanizates were prepared. MMA-GNR/NR composite vulcanizates reinforced with the in situ formed silica prepared by either method had similar mechanical properties to each other, but a shorter cure time and higher mechanical properties than those reinforced with the commercial silica at 9 phr. The TEM micrographs confirmed that the in situ formed silica particles were well dispersed within the MMA-GNR/NR composite matrix, whilst the commercial silica particles showed a significant level of agglomeration and a lower level of dispersion.
Vorheriger Artikel TiO2 thin films on soda-lime and borosilicate glass prepared by sol–gel processing: influence of the substrates
Nächster Artikel Influence of pH and microwave calcination on the morphology of KGd(WO4)2 particles derived by Pechini Sol–Gel method

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Metadaten
Titel
In situ silica reinforcement of methyl methacrylate grafted natural rubber by sol–gel process
verfasst von
Natchamon Watcharakul
Sirilux Poompradub
Pattarapan Prasassarakich
Publikationsdatum
01.05.2011
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 2/2011
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-011-2407-x

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