Exploring the synergistic effect of short jute fiber and nanoclay on the mechanical, dynamic mechanical and thermal properties of natural rubber composites

Roy, Kumarjyoti; Debnath, Subhas Chandra; Das, Amit; Heinrich, Gert; Potiyaraj, Pranut

doi:10.1016/j.polymertesting.2018.03.032

Cited by 75 publications

(57 citation statements)

References 38 publications

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“…This is because the MLPB in the interface layer can participate in the vulcanization of the rubber matrix and a good bonded interface layer was formed, the fibers could effectively restrict the movement of the rubber molecules through the interface layer, which reduced tan δ . [ 31 ]…”

Section: Resultsmentioning

confidence: 99%

Construction of an in situ interfacial layer for aramid fiber reinforced styrene butadiene rubber composites

Luo

Yang

Xiang

et al. 2020

J of Applied Polymer Sci

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In this work, the in situ interface layer composite was prepared by using the coating agent dispersion. Aramid fiber (AF) was modified with lithium chloride aqueous solution, and then coated with the blends of a low‐molecular weight maleated polybutadiene liquid rubber (MLPB), the epoxy resin (E51), and 2‐ethyl‐4‐methylimidazole (2E4MZ). The in situ interface layer was formed via the reaction of epoxy group with anhydride group in the presence of the accelerator 2E4MZ and covulcanization of MLPB with styrene butadiene rubber (SBR) in the process of preparing vulcanized AF reinforced SBR. It can be seen from analysis of scanning electronic microscopy, attenuated total reflection Fourier transform infrared, and thermogravimetric analysis that the in situ interfacial layer was a uniform and dense interfacial layer on the fiber surface and was not be destroyed during processing. The results of the dynamic mechanical analysis and mechanical properties showed that the in situ interface layer formed in processing had higher flexibility and better integrity than the interface layer prepared before processing, which is favorable for stress relaxation, and the in situ interface layer imparts better tensile strength and tear strength to the composite. The 100% modulus of composites with in situ interface layers was 14.6% higher than that of composites prepared without uncoated AF.

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Section: Resultsmentioning

confidence: 99%

Construction of an in situ interfacial layer for aramid fiber reinforced styrene butadiene rubber composites

Luo

Yang

Xiang

et al. 2020

J of Applied Polymer Sci

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show abstract

“…This is due to the strengthening of elastomer by the fillers through the reduction of segmental mobility of the polymer chains which causes reduction in loss factor or tan delta peak height. [47] Hence, the tan delta curve indicates that carbon black prefers to enter into the FKM phase rather than MVQ phase so that the FKM peak is reduced and MVQ peak is increased for carbon black composites. Whereas, in case of silica filled composite, silicareinforced the MVQ phase resulting in the reduced peak of MVQ.…”

Section: Dynamic Mechanical Analysis Studymentioning

confidence: 99%

Influence of partial substitution of carbon black with silica on mechanical, thermal, and aging properties of super specialty elastomer based composites

et al. 2020

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The reduction of the carbon black quantity in elastomeric composites is a massive requirement from environmental perspective and a huge challenge for industrial implementation. The present work consists of the replacement of half amount of carbon black with silica without compromising the basic properties along with ushering of superior characteristics of fluoroelastomer and silicone rubber blends. The comparative study of carbon black-silica hybrid filler (1:1 ratio) with carbon black and silica at different loadings shows much superior aging behavior and thermal stability compared with the other composites with unforeseen increment of tensile strength (56%). The fundamentals of rubber-filler interaction and reinforcement phenomenon of the hybrid filler composites have been determined by the correlation of the experimental findings with different models like Nicolais-Narkis, Nielsen, Guth, and Kerner model. Furthermore, enhanced compatibility between the two rubber phases has been observed in terms of T g shifting (3.8 C) and reduced FKM domain size (from 450 to 300 nm) in the silicone rubber matrix for hybrid filler composites. Morphological studies reflect the selected homogeneous dispersion of the carbon black in fluoroelastomer domain and silica in silicone rubber phase. These super specialty elastomeric composites can be used as oil and fuel resistant gaskets and O-rings for wide temperature range.

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“…The research depicted that all nanofillers caused an increase in the storage modulus values below the glass transition temperature. Roy et al [ 16 ] have presented a synergistic effect of short jute fiber and nanoclay on the mechanical and thermal properties of natural rubber composites. The dynamic mechanical properties and thermal stability of natural rubber/nanoclay/jute fiber hybrid composites improved synergistically.…”

Section: Introductionmentioning

confidence: 99%

Effect of Halloysite Nanotube on Mechanical Properties, Thermal Stability and Morphology of Polypropylene and Polypropylene/Short Kenaf Fibers Hybrid Biocomposites

Franciszczak¹,

Taraghi²,

Paszkiewicz³

et al. 2020

Materials

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In this article, the effect of the addition of halloysite nanotube (HNT) on the mechanical and thermal stability of polypropylene (PP) and PP/kenaf fiber biocomposites has been investigated. Different volume contents of HNTs ranging from 1 to 10 vol.% were melt mixed with PP and PP/kenaf fibers. The volume content of kenaf fibers was kept constant at 30%. The morphology of HNTs within the PP matrix has been studied via scanning electron microscopy (SEM). The morphological results revealed that HNT was uniformly dispersed in the PP matrix already at a low concentration of 1 and 2 vol.%. The mechanical properties of the manufactured nanocomposites and hybrid biocomposites such as Young’s modulus, tensile strength, elongation at break, flexural modulus, flexural strength, and notched Izod strength have been measured. The results show that Young’s modulus and strengths have been improved along with the addition of low content of HNTs. Moreover, the gain of notched Izod impact strength obtained by the addition of short kenaf fibers was maintained in hybrids with low concentrations of HNTs. Finally, the thermogravimetric analysis shows that at 10% and 50% weight loss, the thermal degradation rate of the PP and PP/kenaf biocomposites decreased by the addition of HNTs.

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Exploring the synergistic effect of short jute fiber and nanoclay on the mechanical, dynamic mechanical and thermal properties of natural rubber composites

Cited by 75 publications

References 38 publications

Construction of an in situ interfacial layer for aramid fiber reinforced styrene butadiene rubber composites

Construction of an in situ interfacial layer for aramid fiber reinforced styrene butadiene rubber composites

Influence of partial substitution of carbon black with silica on mechanical, thermal, and aging properties of super specialty elastomer based composites

Effect of Halloysite Nanotube on Mechanical Properties, Thermal Stability and Morphology of Polypropylene and Polypropylene/Short Kenaf Fibers Hybrid Biocomposites

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