Mechanical properties of natural rubber filled with flyash

Hundiwale, D. G.; Kapadi, U. R.; Desai, Manoj C.; Bidkar, S. H.

doi:10.1002/app.10465

Cited by 32 publications

(21 citation statements)

References 37 publications

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“…Furthermore, FA has been used in industry as a consequence of such advantages as low cost, smooth spherical surface and good processability of the filled materials. 6 In previous study, 3,[7][8][9][10][11][12] it has been reported that FA particles consist of silicon dioxide similar to silica but with the lower content of silicon dioxide than silica. Consequently, the addition of FA to rubber compounds is able to enhance rubber properties similar to that of commercial silica, but with the much smaller magnitude.…”

Section: Introductionmentioning

confidence: 99%

Viscoelastic properties of fly ash‐filled natural rubber compounds: Effect of fly ash loading

Saowapark

Sombatsompop

Sirisinha

2009

J of Applied Polymer Sci

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Fly ash (FA) as a by-product of power station plants is known to consist of silicon dioxide similar to precipitated silica. The use of FA as filler in natural rubber (NR) was of interest to reinforce and/or reduce product cost. In this article, viscoelastic properties of FA-filled NR composites with various FA loadings were investigated with the utilization of two different modes of shear flow, namely, oscillatory and steady shear flow. It is found that the addition of FA to NR increases storage modulus (G 0 ) and shear viscosity under both oscillatory and steady shear flow. Moreover, the oscillatory test results exhibit the unexpected increase in magnitude of viscous response with increasing FA loading in FA-filled NR compounds. The explanation is proposed in terms of the ball-bearing effect of FA with spherical shape associated with the occurrence of molecular degradation induced by inorganic constituents particularly manganese, iron, and copper in nonrubber component of NR as well as the small amount of heavy metals including iron, copper in FA. An isoprene rubber (IR) containing no nonrubber component was used to validate the proposed explanation. In addition, with the use of Cox-Merz concept, the results of both complex viscosity under oscillatory shear flow and apparent shear viscosity under steady shear flow can effectively be superimposed in the case of FA-filled compounds, supporting the promotion of viscous response by FA.

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Section: Introductionmentioning

confidence: 99%

Viscoelastic properties of fly ash‐filled natural rubber compounds: Effect of fly ash loading

Saowapark

Sombatsompop

Sirisinha

2009

J of Applied Polymer Sci

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“…Flyash is a waste product generated from thermal power stations. [37][38][39] The present work throws light on the effect of flyash as a filler on mechanical properties of polybutadiene rubber composites. [15,16] Annual generation of flyash is about 90 million tonnes in India.…”

Section: Introductionmentioning

confidence: 99%

New Economical Filler for Elastomer Composites

Hundiwale

Kapadi

Desai

et al. 2004

Polymer-Plastics Technology and Engineering

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Incorporation of fillers in elastomers results in a profound effect on mechanical properties of the composites formed. Significant study has been carried out on this topic. Fillers are customarily classified into organic and inorganic. The latter class includes calcium carbonate, talc, barium sulphate, china clay (kaolin), magnesium oxide, alumina, silica, etc. Flyash, a waste product of thermal power stations contains inorganic oxides, hence, it was thought that it could be used as filler for elastomers. Flyash is generated in huge quantities ORDER REPRINTS a filler in elastomer (polybutadiene rubber). The composites were prepared with various percentages of flyash and were subjected to testing for mechanical properties. The results were compared with the composites containing conventional fillers, i.e., calcium carbonate and talc. The results indicated that flyash could be used as a filler or as a supporting filler. The relevance of this study could help in solving the problem of disposal of flyash and, at the same time, the polymer industry will benefit by identifying an economical filler.

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“…More recently its use as filler in epoxy [9][10][11][12] and thermoplastics [13][14] has been studied, but studies on its use in rubber are still rare [15][16][17]. This article presents results from the partial replacement of carbon black in SBR.…”

Section: Introductionmentioning

confidence: 99%

Flyash as a Co-Filler for Elastomer Composites

Bidkar

Patil

Kapadi

et al. 2006

International Journal of Polymeric Materials

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Flyash as waste mineral product was studied to use as a filler. The possibility of partial replacement of active filler (carbon black) by cheaper product (flyash) was investigated. The physico-mechanical properties of SBR composites with constant content of carbon black and varying content of flyash have been studied. It was found that small addition of carbon black exhibited an effective increase in activity of flyash as filler. The results showed that flyash could be utilized for partial replacement of conventional fillers.

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Mechanical properties of natural rubber filled with flyash

Cited by 32 publications

References 37 publications

Viscoelastic properties of fly ash‐filled natural rubber compounds: Effect of fly ash loading

Viscoelastic properties of fly ash‐filled natural rubber compounds: Effect of fly ash loading

New Economical Filler for Elastomer Composites

Flyash as a Co-Filler for Elastomer Composites

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