Effect of SBR/BR elastomer blend ratio on filler and vulcanization characteristics of silica filled tire tread compounds

Jin, Jungmin; Noordermeer, Jacobus W.M.; Blume, Anke; Dierkes, Wilma K.

doi:10.1016/j.polymertesting.2021.107212

Cited by 22 publications

(12 citation statements)

References 36 publications

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“…On the basis of this theory, the mechanical characteristics in uniaxial deformation (stress-strain (σ−ε) data) were used to assess the effective crosslink density (chemical crosslinks and physical entanglements) of polymer composite. The Mooney-Rivlin formulation, given in the below equation, is employed for this purpose 15,32,56–58 :where σ is the engineering stress, σ* is the reduced stress, λ is the extension ratio (1+ε), Gc and Ge are two constants independent of λ standing for elastic modulus relevant to chemical crosslinks and physical entanglements, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…On the basis of this theory, the mechanical characteristics in uniaxial deformation (stress-strain (σ À ε) data) were used to assess the effective crosslink density (chemical crosslinks and physical entanglements) of polymer composite. The Mooney-Rivlin formulation, given in the below equation, is employed for this purpose 15,32,[56][57][58] :…”

Section: Tensile Propertiesmentioning

confidence: 99%

“…[29][30][31] Developing a new formula regarding rubber parts and appropriate fillers for rubber compounds needs to consider a wide range of engineering properties and several technical and environmental aspects. In this respect, the effect of different parameters such as SBR/ BR blend ratio and microstructure of SBR, 28,[32][33][34][35] the content of silica, 36 application of compatiblizer (to improve the filler dispersion), 37 application of a hybrid system of carbon black and silica, 33,37,38 application of a hybrid system of nanodiamond and nano-SiO 2 , 25 as well as application of nano-fillers 39,40 and mineral fillers, 38 have been examined to explore the structural and vulcanization characteristics, as well as viscoelastic properties of a silica-filled SBR/BR tire tread compounds by numerous researches.…”

Section: Introductionmentioning

confidence: 99%

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Enhancing tire tread performance with combined nano and micro-silica particles in styrene butadiene rubber/butadiene rubber compound

Salkhi Khasraghi,

Shojaei,

Momenilandi

2023

Journal of Elastomers & Plastics

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The influence of fumed nano-SiO2 on the performance of a typical tire tread compound, fabricated by mechanical mixing process, was investigated in the present research. The tire tread compound contained styrene-butadiene rubber (SBR)/ cis-butadiene rubber (BR) blend reinforced with a well-developed commercial highly dispersive silica filler at 70 phr loading. Nano-SiO2 with higher specific surface area, e.g., ∼240 m2/g, was substituted partially with silica particle at three different concentrations of 5, 10, 15 phr. Improvement in various aspects of the control sample including crosslink density calculated based on the swelling test and tube theory, bound rubber content, and physico-mechanical properties was observed for nano-SiO2 loading below 10 phr due to its effective role in refinement of filler dispersion state and enhancement of rubber-filler interactions. However, most of the properties were sacrificed at 15 phr nano-SiO2 loading even with respect to the control sample which emphasized the effectiveness of nano-SiO2 within an optimum loading. Moreover, nano-SiO2 at optimum loading exhibited great improvement in initial decomposition temperature about 50°C, considerable improvement in rolling resistance (more than 8%) and enhancement in wear resistance which could be crucial for tire tread manufacturers.

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Section: Resultsmentioning

confidence: 99%

Section: Tensile Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Enhancing tire tread performance with combined nano and micro-silica particles in styrene butadiene rubber/butadiene rubber compound

Salkhi Khasraghi,

Shojaei,

Momenilandi

2023

Journal of Elastomers & Plastics

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“…In conjunction with the SBR/BR-based composites, some studies have been conducted with respect to their morphology and physicomechanical and thermal properties. ,, Thermal conductivity is one of the most essential characteristics, which can change the final properties and quality of rubber-based composites . Hence, increasing the rubber heat conductivity improves the vulcanization process economically and also leads to dissipation of the generated heat in the cured composite under operational conditions, causing the maintenance of the operating temperature at a safe level .…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Study on the Effect of Highly Thermally Conductive Fillers on Improving the Properties of SBR/BR-Filled Nano-Silicon Nitride

Rasouli,

Zabihi,

Fasihi

et al. 2023

ACS Omega

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The effect of silicon nitride (Si 3 N 4 ) as a thermally conductive material on the mechanical, microstructural, and physical properties as well as kinetics of the curing reaction of styrene-butadiene rubber/butadiene rubber (SBR/BR) was investigated in this work. The results showed an improvement in tensile, hardness, and compression features of the composite due to the presence of Si 3 N 4 . The properties were enhanced with the filler loading content; somehow, the composite including Si 3 N 4 = 6 parts per hundred (phr) had the most significant performance, an increase of ∼15 and 20% in the maximum strain and toughness of the composite, respectively, an increase of almost 7% in the hardness, and an ∼13% reduction in the compression set. Also, the filler led to an increase in the crosslink density (calculated via the Flory–Rehner equation using swelling test) by 7.12 × 10 –5 mol/g, proving the increment of the covalent bonds between the polymer chains during the curing reaction. The kinetic consideration revealed a reduction in the scorch and optimum curing times by ∼40 and ∼25%, respectively. In order to describe the kinetics of curing reaction of SBR/BR-Si 3 N 4 , an autocatalytic model based on the Kamal–Sourour model was applied on the rheometry results. The calculated kinetic parameters indicated that the thermally conductive Si 3 N 4 accelerated the curing reaction by ∼40%, particularly at Si 3 N 4 = 6 phr. After 6 phr of Si 3 N 4 , agglomeration of the filler particles decreased its performance.

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“…Unfilled RRB's of NR with SBR and BR shows incompatible behavior; whereas addition of fillers to RRB's of NR with SBR and BR improves the compatibility between NR/SBR and NR/BR. [12][13][14][15] Fillers such as CB, silica (Si), calcium carbonate (CaCO 3 ) and layered silicates are commonly used in rubber compounding. [16][17][18][19][20] The dispersion and distribution of fillers in RRB's become important as it affects the physical and mechanical properties of rubber products.…”

Section: Introductionmentioning

confidence: 99%

Carbon black distribution driven by its concentration and its effect on physico‐mechanical properties of styrene butadiene rubber and butadiene rubber miscible rubber blends

Kaliyathan

Rane

Thomas

2022

J of Applied Polymer Sci

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This paper discusses the influence of partitioning of carbon black (CB) with its increasing concentration (i.e., 10, 20, 30, 40, and 50 phr) on physical and static mechanical properties of Styrene Butadiene Rubber (SBR)/Butadiene Rubber (BR) rubber-rubber blends (RRB's) in 70SBR:30BR blend ratio. Partitioning of CB towards BR in CB-filled SBR/BR RRB's is quantitatively determined via dynamic mechanical analysis (DMA). DMA confirmed increased partitioning of CB towards BR phase with increasing CB. DMA data on the partitioning of CB towards BR were in good agreement with nuclear magnetic spectra obtained by solid-state nuclear magnetic resonance spectroscopy (SS-NMR spectroscopy). Curing properties, relative density, hardness, tensile test, tear test, and transmission electron microscopy (TEM) on CB filled SBR/BR RRB's were carried out to determine the effect of increasing concentration of CB on physical, mechanical, and dispersion characteristics in comparison to neat SBR/BR RRB's.

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Effect of SBR/BR elastomer blend ratio on filler and vulcanization characteristics of silica filled tire tread compounds

Cited by 22 publications

References 36 publications

Enhancing tire tread performance with combined nano and micro-silica particles in styrene butadiene rubber/butadiene rubber compound

Enhancing tire tread performance with combined nano and micro-silica particles in styrene butadiene rubber/butadiene rubber compound

A Comprehensive Study on the Effect of Highly Thermally Conductive Fillers on Improving the Properties of SBR/BR-Filled Nano-Silicon Nitride

Carbon black distribution driven by its concentration and its effect on physico‐mechanical properties of styrene butadiene rubber and butadiene rubber miscible rubber blends

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