Effect of the vulcanizing system on the mechanical properties of butyl rubber/ethylene propylene diene monomer–carbon black blends

Salam, F. Abd-El; Salam, M. H. Abd-El; Mostafa, M. A.; Nagy, Máté; Mohamed, Mayar

doi:10.1002/app.12739

Cited by 28 publications

(25 citation statements)

References 11 publications

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“…It is well known that the ultimate properties of rubber materials are achieved after the curing process (Wang et al, 2011). During curing, macromolecules of rubber usually form a three-dimensional crosslink structure under the action of curing agents and accelerants (Abd-El Salam et al, 2003). These structures are closely related to the mechanical properties of the crosslinkable rubber such as dynamic mechanical properties (Nabil et al, 2014), hardness (Sae-oui et al, 2004), elasticity (Valentín et al, 2010), tensile strength (Nabil et al, 2014), and aging properties (Basfar et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Study of crosslink structure and dynamic mechanical properties of magnetorheological elastomer: Effect of vulcanization system

Shi

Wang

et al. 2019

Journal of Intelligent Material Systems and Structures

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Magnetorheological elastomers are a kind of intelligent and smart materials which are mainly composed of rubbery polymers and soft magnetic particles. The role of various vulcanization systems on the crosslink structures, curing properties, and dynamic mechanical properties of natural rubber–based magnetorheological elastomer was investigated. Conventional, semi-efficient, and efficient vulcanization systems were used and compared. It was found that the content of polysulfide linkages decreased and the monosulfide linkages increased when the vulcanization system was changed from conventional to semi-efficient and efficient vulcanization systems, respectively. The crosslink density has the same tendency with the content of polysulfide linkages. In all vulcanization systems, the zero-field modulus, magnetic-induced modulus, controllability of damping, and the degree of the influence of Payne effect of the samples had an increasing trend when the crosslink density decreased. Evidence from micrographs of scanning electron microscope showed that this was because the particle chains in the low crosslink density composites were longer and more aligned. As the proportion of monosulfide linkages increased, the value of the loss factor increased and the modulus of the composites was more affected by the increasing frequency.

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Section: Introductionmentioning

confidence: 99%

Study of crosslink structure and dynamic mechanical properties of magnetorheological elastomer: Effect of vulcanization system

Shi

Wang

et al. 2019

Journal of Intelligent Material Systems and Structures

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“…2 IIR/EPDM blends have the properties of immiscible rubbers together such as hydrocarbon and oil resistance, ozone, optical, heat and oxygen resistance and good processability which cause many successful applications in different industries, and investigations of the effect of composition ratio on curing characteristics, morphology and mechanical properties of IIR/EPDM blends are noteworthy topics. 12–15 Currently, researchers are focusing on IIR/nanoclay nanocomposites 7,8 and EPDM/nanoclay nanocomposites 9–11 separately. As mentioned above, IIR has a limited resistance to thermal aging.…”

Section: Introductionmentioning

confidence: 99%

Influence of blend composition and organic cloisite 15A content in the structure of isobutylene–isoprene rubber/ethylene propylene diene monomer composites for investigation of morphology and mechanical properties

Azizli

Abbasizadeh

Hoseini

et al. 2016

Journal of Composite Materials

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A melt mixing method was used for preparation of immiscible isobutylene–isoprene rubber/ethylene propylene diene monomer blends and their polymer nanocomposites containing cloisite 15A nanoparticles. The morphology of nanocomposites was characterized by Fourier transform infrared spectroscopy and scanning electron microscope techniques. The dispersion of nanoclay in isobutylene–isoprene rubber/ethylene propylene diene monomer blends was studied by transmission electron microscopy and XRD analyses. Curing data of the prepared nanocomposites showed a decrease in scorch time (t5) and optimum cure time (t90) with increasing nanoclay content. Intercalation of rubber chains into the organoclay silicate layers was specified by d-spacing amount estimated according to the XRD results. Based on XRD results, a leftward shift towards lower diffraction angles in the organoclay characteristic peak was observed, indicating an increase in the d-spacing values in comparison with the pure organoclay. It confirms the intercalation of elastomer chains into the nanoclay galleries. The mechanical properties of the polymer nanocomposite specimens including hardness, fatigue strength, elongation at break, modulus and tensile strength were found to be better with increasing the nanoclay content. Also, resilience of the polymer nanocomposites decreased.

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“…The modified properties of these composites are very complicated, depending on a large number of parameters such as size, surface area, structure and dispersion of the carbon particles. 1 –5 Rubber to metal adhesive bonding is a widely used process that is important in the automotive, civil engineering and avionic industries. There are three principal methods by which rubber to metal bonding can be accomplished: these involve brass plating the metal, or using an ebonite interlayer or employing a polymeric adhesive interlayer.…”

Section: Introductionmentioning

confidence: 99%

Factors affecting the adhesive force between metallic substrate and carbon black filled rubber composites

Salam

Khaliel²,

Hassan

2013

Journal of Reinforced Plastics and Composites

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This article is devoted to study the factors affecting the performance of the adhesively bonded joints between rubber composites and metal substrates. The mechanical strength of the adhesively bonded joint is assessed with regard to several parameters as the type of rubber, type and/or concentration of black fillers, type of adhesive system and type of metallic substrate. The mechanical properties of the adhesively bonded composites were measured under different modes of deformation such as the uniaxial extension, shear and peel tests. The results showed that the presence of black filler and/or polar group in the rubber composites enhanced adhesion effectiveness between the rubber composites and the metal substrate. This was confirmed by Fourier transformed infrared spectroscopic analysis and the swelling characteristics in benzene. Moreover, the two-component adhesive system was more effective in adhesion than the one-component adhesive.

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Effect of the vulcanizing system on the mechanical properties of butyl rubber/ethylene propylene diene monomer–carbon black blends

Cited by 28 publications

References 11 publications

Study of crosslink structure and dynamic mechanical properties of magnetorheological elastomer: Effect of vulcanization system

Study of crosslink structure and dynamic mechanical properties of magnetorheological elastomer: Effect of vulcanization system

Influence of blend composition and organic cloisite 15A content in the structure of isobutylene–isoprene rubber/ethylene propylene diene monomer composites for investigation of morphology and mechanical properties

Factors affecting the adhesive force between metallic substrate and carbon black filled rubber composites

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