Effect of pyrolysis carbon black from waste tires on the properties of styrene–butadiene rubber compounds

Lai, Sun‐Mou; Chu, Yun-Lan; Chiu, Yu Ting; Chang, M. C. O.; Hsieh, Tung-Yuan; Hsieh, Ming-Hsien

doi:10.1177/0967391120902882

Cited by 9 publications

(2 citation statements)

References 21 publications

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“…Similarly, Figure 4b demonstrates that the elongation at break significantly decreased when a high content of CBp was applied. This decrease at a higher CBp content was primarily attributable to an increase in Si and Zn impurities, which posed the potential for defects, particularly under large deformation states during tensile deformation [11] .…”

Section: Tensile Testmentioning

confidence: 99%

Mechanical properties of pyrolysis carbon black in rubber compound application

Anupabphan,

Kaewdam,

Seataew

et al. 2023

ACE

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Waste tire pyrolysis is a thermal decomposition process that converts waste tires into liquid fuel which also produce by product material such as producer gas, pyrolysis carbon black (CBp), and steel wire. Nowadays, carbon black produced by pyrolysis is being employed as a low-grade carbon base fuel. The technical feasibility of using CBp as a substitute for commercial carbon black N330 in styrene-butadiene rubber (SBR) was investigated in the study. The researcher also looked at how the composition ratio of CBp and N330 affected the mechanical characteristics of rubber in comparison to the outcomes of pure carbon black N330. It was discovered that the low composition ratio of 20% CBp and 80% N330 (R-2) had comparable Mooney viscosity to that of N330 carbon black, as well as the highest torque (MH) and torque increment (ΔM) values, but increased CBp content led to increased rubber viscosity and decreased cure time due to sulfur residues CBp was inferior to N330 in its effect on reinforcement. With an increase in CBp content, the tensile strength, shear strength, and elongation at break of SBR vulcanizates decreased considerably, while the hardness increased. Consequently, the CBp value evaluated for hardness applications provides significant manufacturing cost savings.

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Section: Tensile Testmentioning

confidence: 99%

Mechanical properties of pyrolysis carbon black in rubber compound application

Anupabphan,

Kaewdam,

Seataew

et al. 2023

ACE

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show abstract

“…The composition of CBp is significantly complex, which contains the original carbon black, inorganic compounding fillers (SiO 2 ), and vulcanization aids (ZnO) including their processing-related derivatives (ZnO transformed to ZnS) (Berki and Karger-Kocsis, 2016). Many researchers have explored the differences in the performance of different types of rubber composites reinforced by CBp and commercial carbon black (Norris et al, 2014;Moulin et al, 2017;Sagar et al, 2018;Martinez et al, 2019;Verma et al, 2019;Lai et al, 2020). CBp has high ash content and poor surface activity which leads to the composites reinforced with CBp has lower performance than composites reinforced with commercial carbon black, making it difficult to meet the requirements of tire.…”

Section: Introductionmentioning

confidence: 99%

Effect of surfactants on the properties of rubber composites prepared from pyrolytic carbon black/natural latex via wet blending method

et al. 2023

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Pyrolytic carbon black (CBp) is the main by-product of waste tire pyrolysis. CBp has high ash content and poor surface activity which leads to the composites reinforced with CBp has lower performance than composites reinforced with commercial carbon black, making it difficult to meet the requirements of tire. In order to realize the application of CBp in tires, the effect of surfactants on the properties of rubber composites prepared by wet mixing of CBp/natural latex was investigated. In the experimental process, sodium stearate (C17H35COONa), sodium dodecylbenzene sulfonate (C18H29NaO3S), and sodium p-styrenesulfonate (C8H7NaO3S) were used to improve the surface activity and uniform dispersion of the CBp in the natural rubber matrix. The experimental results showed that the dispersity of C18H29NaO3S and C8H7NaO3S modified CBp in rubber matrix has [X] and [Y] values of 7.5 and 7.9, and 9.3 and 9.5, respectively, and the dispersion of these rubber composites is significantly better than that of C17H35COONa. The rubber composites prepared by C18H29NaO3S and C8H7NaO3S surfactants has the better physical and mechanical properties. The rubber composite prepared by C18H29NaO3S has the highest tensile strength of 25.63 MPa, which increment in tensile strength is 15.6% compare to the rubber composite prepared by C17H35COONa. Meanwhile the dynamic mechanical properties of rubber composites prepared by modifying CBp with C18H29NaO3S and C8H7NaO3S are better than CBp with C17H35COONa. The C8H7NaO3S modified CBp/rubber composite has the lowest loss factor (tanδ) value at 60°C, and the C18H29NaO3S modified CBp/rubber composite has the highest tanδ value at 0°C.

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Application of plasma modified pyrolytic carbon black in improving mechanical properties of natural rubber composite

Feng

Dong

Yang

et al. 2023

J of Applied Polymer Sci

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In this work, the Argon (Ar) plasma technology is adopted for pyrolytic carbon black (CBp) modification and the N330/Modified‐CBp (MCBp) hybrid is then incorporated into the Natural Rubber (NR) matrix. Compared with CBp, the MCBp has smaller particle size, lower ash content, higher specific surface area, and surface activity based on the results of laser diffraction method, transmission electron microscope (TEM), thermogravimetric analysis, gas sorption analysis (Nitrogen), acetone solvent, and X‐ray photoelectron spectroscopy. Among them, Dv (90) is found to have reduced by 20% while the specific surface area increased by 4%. According to the bound rubber content experiments, the equilibrium swelling experiments as well as the temperature and strain sweeps, the bound rubber content, filler‐filler bond strength, and cross‐linking density of NR/N330/MCBp are all superior to those of NR/N330/CBp, resulting in an outstanding comprehensive performance of NR/N330/MCBp composite. In particular, the 300% modulus and the tear strength rise by 43% and 14% respectively, surpassing even the system filled with N330. Finally, the mechanism of mechanical properties improvement in the NR/N330/MCBp composite is proposed: the strong filler‐filler bond is formed between the MCBp and N330 aggregates via molecular chains, and they are anchored on the MCBp and absorbed on the N330 simultaneously.

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Effect of pyrolysis carbon black from waste tires on the properties of styrene–butadiene rubber compounds

Cited by 9 publications

References 21 publications

Mechanical properties of pyrolysis carbon black in rubber compound application

Mechanical properties of pyrolysis carbon black in rubber compound application

Effect of surfactants on the properties of rubber composites prepared from pyrolytic carbon black/natural latex via wet blending method

Application of plasma modified pyrolytic carbon black in improving mechanical properties of natural rubber composite

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