Effect of Bonding Systems on the Adhesion of Nitrile Rubber to Nylon Cord

Darwish, N. A.; Lawandy, S. N.; El-Shazly, S. M.; Abou-Kandil, Ahmed I.

doi:10.1081/ppt-100101404

Cited by 19 publications

(6 citation statements)

References 6 publications

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“…After modified by RH, composites showed markedly improved but irregularly varying V r as a function of G#-strain (a) and tan $-strain (b) curves of uncured NR/BR/SBR compounds fillers ratios. It was because at the cure temperature, RH would decompose into phenols, methyl and amine, which reacted in situ with the macromolecules to form resorcinol-formaldehyde resin [31]. Through it, active sites to polar fillers were introduced in the low-polarity rubber molecules as shown in Figure 9 [32].…”

Section: Apparent Crosslink Densities Of Nr/br/sbr Compositesmentioning

confidence: 99%

Exploring nanocrystalline cellulose as a green alternative of carbon black in natural rubber/butadiene rubber/styrene-butadiene rubber blends

Chen¹,

Gu²,

Xu³

2014

Express Polym. Lett.

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Abstract.A series of nanocrystalline cellulose (NCC) reinforced natural rubber/butadiene rubber/styrene-butadiene rubber (NR/BR/SBR) blends were prepared via mastication of NR/NCC, BR/SBR and other ingredients. Resorcinol and hexamethylene tetramine (RH) was adopted to modify the interface between NCC and rubber matrix. The morphology, dynamic viscoelastic behavior, apparent crosslink density, mechanical performance and dynamic mechanical property of NR/BR/SBR/NCC blends were discussed in detail. The results showed that NCC was uniformly dispersed in composites and RH could enhance the adhesion of NCC and matrix. According to the dynamic mechanical analysis, NCC performed comparable reinforcing effect with carbon black (CB), and the modulus was improved with modification of RH. Mechanical tests showed that the replacement of CB by NCC in the blends did not deteriorate mechanical properties of composites. Besides, the blends exhibited best mechanical properties, when 10 phr NCC substituted CB.

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Section: Apparent Crosslink Densities Of Nr/br/sbr Compositesmentioning

confidence: 99%

Exploring nanocrystalline cellulose as a green alternative of carbon black in natural rubber/butadiene rubber/styrene-butadiene rubber blends

Chen¹,

Gu²,

Xu³

2014

Express Polym. Lett.

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“…From these results, the f/a 0 were calculated and plotted against (λ À λ À2 ), where λ is the extension ratio (l/l 0 ) and a 0 is the cross-sectional area. From these linear relations, the molecular weight between cross-links, M c , and the cross-link density, ν, are calculated according to the following equations [39][40][41][42] :…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Novel modification of styrene butadiene rubber/acrylic rubber blends to improve mechanical, dynamic mechanical, and swelling behavior for oil sealing applications

Abdel‐Hakim

Mogy

Abou-Kandil

2021

Polymers and Polymer Composites

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Blending of rubber is an important route to modify properties of individual elastomeric components in order to obtain optimum chemical, physical, and mechanical properties. In this study, a novel modification of styrene butadiene rubber (SBR) is made by employing acrylic rubber (ACM) to obtain blends of outstanding mechanical, dynamic, and oil resistance properties. In order to achieve those properties, we used a unique vulcanizing system that improves the crosslink density between both polymers and enhances the dynamic mechanical properties as well as its resistance to both motor and break oils. Static mechanical measurements, tensile strength, elongation at break, and hardness are improved together with dynamic mechanical properties investigated using dynamic mechanical analyses. We also proposed a mechanism for the improvement of crosslink density and consequently oil resistance properties. This opens new opportunities for using SBR/ACM blends in oil sealing applications that requires rigorous mechanical and dynamic mechanical properties.

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“…Therefore optimizing the variables of rubber compounding is a common and economic technique for improving rubber to cord adhesion in rubber industries. Many authors have studied nylon cord to tire rubbers adhesion [5][6][7][8][9] but there are few papers which have discussed nitrile rubber (NBR) to nylon cord adhesion [10][11]. In this paper the effect of curing system on mechanical properties of NBR and rubber to the hybrid of nylon and poly ethylene terephthalate (PET) cord is investigated.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, the adhesion between rubber matrix and reinforcing fiber is a key factor which determines the mechanical properties of the rubber composites [1][2][3]. Factors affecting rubber to cord adhesion have been discussed by several authors [4][5][6][7][8][9][10][11]. These factors can be attributed to rubber compound characteristics or fiber characteristics.…”

Section: Introductionmentioning

confidence: 99%

Effect of Curing System on Mechanical Properties of NBR/Nylon-PET Cord Composite

2008

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From the results of this study it can be concluded that higher stearic acid concentration as a part of curing activator and high level of curative (i.e. sulfur and accelerator) causes higher crosslink density, tensile strength, modulus and hardness, and lower NBR to nylon-PET cord adhesion. Accelerator type also affects NBR/nylon-PET cord adhesion and using NOBS the highest coating adhesion is achieved. Using semi-efficient vulcanizing (i.e. accelerator/sulfur ratio around 1) is the most suitable way for achieving high NBR/nylon cord adhesion. And finally, independent from accelerator type, sulfur amount and efficiency of vulcanizing system, coating adhesion is a semi-linear function of crosslink density of nitrile rubber.

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Effect of Bonding Systems on the Adhesion of Nitrile Rubber to Nylon Cord

Cited by 19 publications

References 6 publications

Exploring nanocrystalline cellulose as a green alternative of carbon black in natural rubber/butadiene rubber/styrene-butadiene rubber blends

Exploring nanocrystalline cellulose as a green alternative of carbon black in natural rubber/butadiene rubber/styrene-butadiene rubber blends

Novel modification of styrene butadiene rubber/acrylic rubber blends to improve mechanical, dynamic mechanical, and swelling behavior for oil sealing applications

Effect of Curing System on Mechanical Properties of NBR/Nylon-PET Cord Composite

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