Enhancement of mechanical properties of natural rubber–clay
               nanocomposites through incorporation of silanated organoclay into natural rubber
               latex

Perera, Srimala; Egodage, SM; Walpalage, S

doi:10.1515/epoly-2020-0017

Cited by 21 publications

(8 citation statements)

References 44 publications

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“…Meanwhile, the XRD patterns of both the rubber matrix and the organo-modified one display a characteristic amorphous background at 2θ angles higher than 4°, arising from the non-crystalline nature of polymer networks. The absence of the (001) basal plane of the MMT in the organo-modified rubber is due to the exfoliation of MMT platelets within the rubber matrix during mixing on the two-roll mill [ 62 , 63 ].…”

Section: Resultsmentioning

confidence: 99%

Mechanochemical Synthesis of Rosin-Modified Montmorillonite: A Breakthrough Approach to the Next Generation of OMMT/Rubber Nanocomposites

2021

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The current investigation presents a green mechanochemical procedure for the synthesis of a special kind of rubber-compatible organo-montmorillonite (OMMT) for use in the inner liner compound of tires. The compatibility character of the OMMT arises from the mechanochemical reaction of the raw bentonite mineral and gum rosin as some of the organic constituents of the inner liner composition. The monitoring of OMMT synthesis by various characterization techniques reveals that gum rosin gradually intercalates into the montmorillonite (MMT) galleries during milling and increases the interlayer spacing to 41.1 ± 0.5 Å. The findings confirm the simultaneous formation of single- or few-layered OMMT platelets with average sizes from the sub-micron range up to several micrometers during the milling process. The mechanical properties of the OMMT/rubber nanocomposite, such as tensile strength, tear resistance and elongation, present a good enhancement in comparison to the un-modified material. Moreover, the organo-modification of the inner liner composition also leads to a property improvement of about 50%.

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Section: Resultsmentioning

confidence: 99%

Mechanochemical Synthesis of Rosin-Modified Montmorillonite: A Breakthrough Approach to the Next Generation of OMMT/Rubber Nanocomposites

2021

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“…The gradual decrease of elongation at break value for AJS (6.98%) with increment in clay content may be attributed to the brittleness of composite. [16] As the proportion of the filler increases with respect to the soy-matrix loading, there are high chances of void formation, and a filer-filler junction point will also lead to a mechanical failure with loading.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Evaluation of mechanical, morphological, and biodegradation properties of natural fiber reinforced nano‐biocomposites

2022

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Nanoclay modified bio resin-based jute composites were prepared by thermopressing method to examine the effect of nanoclay on physical, mechanical, and biodegradation properties of jute-soy composite. Fourier transform infrared spectroscopy of composite was carried out to study the chemical interactions between jute-soy-nanoclay, whereas, x-ray diffractogram and transmission electron microscopic analysis revealed the formation of nanostructure at the composite interface. With 5 wt.% of clay contents, the tensile strength of the composite was 59.2 MPa, which is 65.4% higher than that of the clay-free jute-soy composite. The developed composite is thermally stable up to 280 C and increased in weight by only 41.66% after 24-h water immersion. Inclusion of 5 wt.% nanoclay enhanced storage modulus of nanocomposite from 1170 to 4136 MPa. Evaluation of degradability of composites under compost condition in terms of weight and tensile loss indicated that clay reinforced composites are more durable than jute-soy composite. Overall, a biodegradable composite material was developed which may be applied as nondegradable plastic alternate in packaging, railway coach, decorating materials, furniture, transport, and construction sector.

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“…However, a reduction of 35.6% is observed with a further increase in the MMT concentration, which can be attributed to the agglomeration of the MMT particles in the matrix. When the loading of the MMT is more than 5%, clay layers will be less compatible with the SR resulting in the development of a siloxane network [21].…”

Section: Percentage Elongation At Breakmentioning

confidence: 99%

Testing of Silicon Rubber/Montmorillonite Nanocomposite for Mechanical and Tribological Performance

Avinash

Siva

Munde³

et al. 2021

Nanomaterials

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Nanocomposite made by blending nano-montmorillonite (MMT) and Silicon Rubber (SR) for mechanical and tribological performance is explored in this work. Different configurations of MMT/SR nanocomposite, with 0, 0.5, 2 and 5 wt % of MMT are manufactured by two roll mixing methods. Noticeable improvement in the mechanical and tribological performance is observed, which is also justified by a morphological study of fractured and wear surfaces through SEM. Two percent of MMT loading is found to be the optimum content that shows excellent performance compared to other compositions. The performance improvement can be linked to the good interfacial interaction between the MMT and SR. Statistical modeling through ANOVA is carried out for tribological performance, which reveals the influence of load on the coefficient of friction (COF) and the influence of sliding distance on the wear rate.

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Enhancement of mechanical properties of natural rubber–clay nanocomposites through incorporation of silanated organoclay into natural rubber latex

Cited by 21 publications

References 44 publications

Mechanochemical Synthesis of Rosin-Modified Montmorillonite: A Breakthrough Approach to the Next Generation of OMMT/Rubber Nanocomposites

Mechanochemical Synthesis of Rosin-Modified Montmorillonite: A Breakthrough Approach to the Next Generation of OMMT/Rubber Nanocomposites

Evaluation of mechanical, morphological, and biodegradation properties of natural fiber reinforced nano‐biocomposites

Testing of Silicon Rubber/Montmorillonite Nanocomposite for Mechanical and Tribological Performance

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