Reinforcement of Natural Rubber with Silanized Precipitated Silica Nanofiller

Ansarifar, Ali; Ibrahim, Norazura; Bennett, M.

doi:10.5254/1.3547914

Cited by 15 publications

(13 citation statements)

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“…During mixing silanol groups react with rubber molecules because of the presence of hydrogen ion on silanol groups. A. Ansarifar et al, [14] reported that adding silica into rubber compounds can improve mechanical properties such as hardness, tensile strength and tearing energy. In addition, silica has a great influence on the protection of the environment due to lower CO2 emission during its production as well as in its capacity to reduce rolling resistance in tires.…”

Section: Silicamentioning

confidence: 99%

Use of fly ash as eco-friendly filler in synthetic rubber for tire applications

Ren

Sancaktar

2019

Journal of Cleaner Production

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In this study, the relationship between an eco-friendly filler, fly ash, and the properties of Styrene-Butadiene Rubber (SBR)-based compounds was investigated. Rubber compounds were produced by internal mixer and curing characteristics were evaluated. The total content of filler was constant and the content of fly ash increased from 0 to 10 phr. In the evaluation of the rubber compounds, the main focus was the mechanical properties and adhesion of the SBR compounds. Adhesion between these compounds and steel wire reinforcement was measured for assessing efficacy of adding fly ash to the rubber compounds in tire applications. There were two stages of this program: the first stage involved selecting the filler which could improve the mechanical properties (elongation at break, tensile strength, modulus at 100% strain and 2% strain level) of rubber compounds; the next stage involved combining precipitated silica with fly ash to improve the properties of rubber compounds. In order to gain better properties, ball mill treatment was used to change the morphology of the particles of fly ash by reduction to smaller size. The comparisons of untreated rubber compounds, ball mill treated rubber compounds, and rubber compounds containing different fillers were accomplished subsequently. In the result, the rubber compounds contained precipitated silica, carbon black and fly ash filler exhibited higher tensile strength, elongation at break, and adhesion and attributed to effective iv filler dispersion as well as the reinforcing effect of silica. These conclusions were supported by the scanning electron microscopy (SEM) and swelling tests.

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Section: Silicamentioning

confidence: 99%

Use of fly ash as eco-friendly filler in synthetic rubber for tire applications

Ren

Sancaktar

2019

Journal of Cleaner Production

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“…The study showed that properties such as tensile strength, stored energy density at break, and tear energy were superior for the silicafilled rubber vulcanizate. 36 This was attributed to the larger surface area of the silica particles. But, this was not the case when our results were examined (Table IV).…”

Section: Effect Of the Fillers On The Rubber Propertiesmentioning

confidence: 99%

Effect of various efficient vulcanization cure systems on the compression set of a nitrile rubber filled with different fillers

Movahed

Ansarifar

Mirzaie

2014

J of Applied Polymer Sci

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Effect of various efficient vulcanization (EV) sulfur cure systems on the compression set of a nitrile rubber filled with carbon black and silica/silane fillers was examined. The cure systems had different amounts of thiuram and sulfenamide accelerators and elemental sulfur, whilst the loading of zinc oxide and stearic acid activators was kept constant. The fillers had surface areas from 35 to 175 m2/g. In this study, the lowest compression set was measured for the rubber filled with carbon black with 78 m2/g surface area, which was cured with an EV cure system made of a small amount of elemental sulfur and large amounts of the two accelerators. Interestingly, a small change in the amount of elemental sulfur had a bigger effect on the compression set than did large changes in the loading of the accelerators in the cure system. Among the fillers, carbon black caused less compression set of the rubber vulcanizate than the silica/silane system did. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41512.

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“…One of the most popular fillers for NR is silica (silicon dioxide). [2,3] However, because of the presence of silanol group (Si-OH) on the silica particle surface, the compatibility of silica with nonpolar rubbers such as NR is limited. In some cases, silica even decreases the vulcanization rated and vulcanization network density as well.…”

Section: Introductionmentioning

confidence: 99%

Study on the effect of modified and unmodified silica on the properties of natural rubber vulcanizates

Quang

Hưng

Bui

et al. 2019

Vietnam Journal of Chemistry

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In the article, the effects of silica (silicon oxide) on some properties of natural rubber (NR) were studied. Silica used are unmodified (SiKBT) and modified with triethoxi silane propyl tetrasunfite (SiBT). It is shown SiBT increases vulcanization network density (VND), so it enhances strength and elastic properties of NR. In contrary, SiKBT decreases VND and reduces, but has almost no effect on strength of NR. Silica, both modified and unmodified, are assumed to improve network regularity of NR that change thermal degradation behavior of materials and keep the strength of NR-SiKBT compound unchanged.

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Reinforcement of Natural Rubber with Silanized Precipitated Silica Nanofiller

Cited by 15 publications

References 0 publications

Use of fly ash as eco-friendly filler in synthetic rubber for tire applications

Use of fly ash as eco-friendly filler in synthetic rubber for tire applications

Effect of various efficient vulcanization cure systems on the compression set of a nitrile rubber filled with different fillers

Study on the effect of modified and unmodified silica on the properties of natural rubber vulcanizates

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