Effect of hybridization of organoclay with carbon black on the transport, mechanical, and adhesion properties of nanocomposites based on bromobutyl/epoxidized natural rubber blends

Sankaran, Kumar; Manoharan, Partheban; Chattopadhyay, Santanu; Nair, Sujith; Govindan, Unnikrishnan; Arayambath, Sreejesh; Nando, G. B.

doi:10.1039/c5ra25970c

Cited by 18 publications

(19 citation statements)

References 31 publications

(36 reference statements)

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“…The GNP forms an envelope around the carbon black aggregates at a high level of GNP loading (8 phr). This kind of observation was already found in numerous rubber/nanoclay composites, 2,4,9,18 which develops the halo and nano units in the matrix and imparts air impermeability for the nanocomposites.…”

Section: Resultssupporting

confidence: 55%

“…GNPs are capable of producing a tortuous pathway in rubber composites, which will slow down the penetration of gas molecules through it. Kumar et al 2 prepared Brominated isobutylene‐isoprene rubber (BIIR)‐Epichlorohydrin‐graphene nanocomposites for automotive applications via the melt mixing process. Even dispersion of graphene in BIIR–Epichlorohydrin blends with enhanced mechanical, adhesion, and barrier properties were found from the results.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of air permeability characteristics on the hybridization of carbon black with graphene nanoplatelets in bromobutyl rubber/epoxidized natural rubber composites for inner‐liner applications

Raju

Dash²,

Dey³

et al. 2020

Polymers for Advanced Techs

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Nanotechnology has been explored recently as a means of enhancing the properties of conventional elastomers for engineering applications. In the current study, the effect of nanofillers on air impermeability properties of Brominated isobutylene‐isoprene rubber (BIIR)/Epoxidized natural rubber (ENR) blend has analyzed for automotive applications. The ENR chosen is ENR 25 and ENR 50 (25 and 50% epoxidation) and prepared the blends in a ratio of 75:25 (BIIR:ENR), and from both blend based composites, a part of carbon black replaced with graphene nanoplatelets (GNP). The physical and thermal properties were compared for both binary blend nanocomposites to study the level of exfoliation and reinforcement behavior of GNP. Morphology studies were employed to reveal the level of interaction between GNP and carbon black in both blends. The influence of epoxidation in the formation of nanostructures in both blends have been evaluated, and the effect of nanostructures on air permeability properties was studied. The air impermeability of BIIR‐ENR 50 nanocomposites were improved with increasing platelet concentration, a 30% improvement in air permeability is obtained for BIIR‐ENR 50 composites over BIIR ‐ENR 25.

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Section: Resultssupporting

confidence: 55%

Section: Introductionmentioning

confidence: 99%

Evaluation of air permeability characteristics on the hybridization of carbon black with graphene nanoplatelets in bromobutyl rubber/epoxidized natural rubber composites for inner‐liner applications

Raju

Dash²,

Dey³

et al. 2020

Polymers for Advanced Techs

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“…It seems that functionalized bio‐resin activates the interaction with HDS right from mixing and facilitating established filler–rubber network formation. This leads to enhanced behavior of the cure rate index for the green compound . On the other hand, the green compound shows a remarkably increased hardness (70 Shore A) and delta torque behavior as compared to the reference compound (Fig.…”

Section: Resultsmentioning

confidence: 97%

Biologically sustainable rubber resin and rubber‐filler promoter: a precursor study

Manoharan

Naskar

2017

Polymers for Advanced Techs

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Enthused by the ever growing demand for sustainable and green based materials in responding to applications based on macromolecules, an attempt was made in seeking a bio‐resin (Terpene). Herein, we report the functionalization of bio‐resin with natural rubber (NR) to produce new sustainable and greener functional polymer. Bio‐resin functionalized NR was prepared by melt mixing using di(2‐tert butyl peroxy isopropyl) benzene initiator. Structure elucidation of the bio‐resin functionalized NR was established by proton nuclear magnetic resonance and Fourier transform infrared spectroscopy, respectively. Bio‐resin functionalized NR facilitates the augmented interaction with highly dispersible silica. Amended state of highly dispersible silica dispersion has been achieved in the absence of toxic process oil, expensive silane coupling agent and conventionally used zinc oxide. Remarkable improvement in overall properties corroborated with various meticulous characterization including nanoindentation, rheological, physico‐mechanical and small angle X‐ray scattering using Becauge model, etc. The dynamic mechanical properties of the greener polymer demonstrated low rolling resistance coupled with high traction. More decisively, the macromolecule system toned up sparingly in the presence of the bio‐resin. Our contribution facilitates a novel avenue to develop sustainable high‐performance elastomeric macromolecule. Copyright © 2017 John Wiley & Sons, Ltd.

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“…At present, two methods are primarily used to study the air tightness of the inner liner. One is using chain modified rubber or rubber blends, such as epoxidized natural rubbers or rubber blend . The other is introducing lamellar structure fillers into polymers, such as graphene or clay .…”

Section: Introductionmentioning

confidence: 99%

“…For example, Kumar et al prepared (BIIR)‐polyepichlorohydrin rubber nanocomposite filled with modified clay and investigated its transmission properties . Despite these studies, however, the mechanism of penetration, which can be understood from a microcosmic view, is still weak …”

Section: Introductionmentioning

confidence: 99%

The Relationship between Specific Structure and Gas Permeability of Bromobutyl Rubber: A Combination of Experiments and Molecular Simulations

Cai

You

Zhao

et al. 2019

Macro Theory & Simulations

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The relationship between the specific structure and gas permeability of brominated poly(isobutylene‐co‐isoprene) rubber (BIIR) is investigated by a combination method of both experiments and molecular simulation. It is found that the various content of secondary allyl bromide isoprene (SABI) units exert an effect on transport behavior, including both diffusion and solution behavior of small molecule in BIIR, glass transition temperature, and vulcanization characteristics. The results show that a minimum value of permeability coefficient exists with the increase of SABI content. Moreover, more SABI in BIIR will lead to a rise in glass transition temperature and curing rate. It means that the gas permeability of BIIR can be further improved by adjusting composition of the copolymer BIIR. Meanwhile, this research may also provide useful information for understanding the penetration mechanism of oxygen in the BIIR matrix and supply a theoretical tool for designing high air tightness rubber materials.

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Effect of hybridization of organoclay with carbon black on the transport, mechanical, and adhesion properties of nanocomposites based on bromobutyl/epoxidized natural rubber blends

Abstract: The formation of hybrid nanostructures improves the barrier properties significantly by increasing the path of diffusion of the permeant.

Cited by 18 publications

References 31 publications

Evaluation of air permeability characteristics on the hybridization of carbon black with graphene nanoplatelets in bromobutyl rubber/epoxidized natural rubber composites for inner‐liner applications

Evaluation of air permeability characteristics on the hybridization of carbon black with graphene nanoplatelets in bromobutyl rubber/epoxidized natural rubber composites for inner‐liner applications

Biologically sustainable rubber resin and rubber‐filler promoter: a precursor study

The Relationship between Specific Structure and Gas Permeability of Bromobutyl Rubber: A Combination of Experiments and Molecular Simulations

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