The Effect of Oily Finish Components on the Adhesion Between Aramid Fibers and Rubber

Lange, Pieter J. de; Akker, Peter G.; Willemsen, Stef; Datta, Raja

doi:10.1163/156856108x344568

Cited by 16 publications

(12 citation statements)

References 7 publications

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“…A challenge of applying aramid fibers is their poor adhesion to the elastomeric matrix. To promote adhesion often a resorcinol formaldehyde latex (RFL) dip is applied, consisting of an epoxy layer and a RFL layer . That such RFL dip can improve the fiber–elastomer interaction was shown for sulfur cured tread compounds as well as for peroxide cured hose compounds like those investigated in this study .…”

Section: Introductionmentioning

confidence: 74%

Dynamic behavior of short aramid fiber‐filled elastomer composites

Hintze

Stoček

Horst

et al. 2014

Polymer Engineering & Sci

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Short fiber reinforcement is a suitable way to improve the tribological properties of elastomers. However, rubbers products are often exposed to highly dynamic mechanical loadings. Hereby it is crucial to study the change in dynamic behavior due to the addition of short fibers. Therefore, these properties were investigated in terms of dynamic mechanical thermal analysis, heat build-up (HBU), and fatigue crack growth resistance under cyclic loadings for two different rubber compounds. A peroxide cured ethylene-propylene-diene rubber (EPDM) and a sulfur cured natural rubber (NR) compound were chosen and reinforced with two types of short aramid fibers. It was found that the short fibers could contribute to the improvement in the crack growth resistance, HBU, and the dynamic mechanical behavior of the composites depending on the testing conditions. POLYM. ENG. SCI., 54:2958-2964, 2014

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Section: Introductionmentioning

confidence: 74%

Dynamic behavior of short aramid fiber‐filled elastomer composites

Hintze

Stoček

Horst

et al. 2014

Polymer Engineering & Sci

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“…The treatments were St and RFL coating. It was shown elsewhere that the standard finish has no negative influence on the adhesion of cords to rubbers 18…”

Section: Methodsmentioning

confidence: 92%

Viscoelastic properties of short aramid fibers‐reinforced rubbers

Shirazi

Talma

Noordermeer

2012

J of Applied Polymer Sci

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Among short fiber‐reinforced composites, those with rubber matrices have gained great importance due to the advantages they have in processing and low cost, coupled with high strength. These composites combine the elastic behavior of rubbers with strength and stiffness of fibers. Reinforcement with short fibers offers attractive features such as design flexibility, high modulus, tear strength, etc. The degree of reinforcement depends upon many factors such as: the nature of the rubber matrix, the type of fiber, the concentration and orientation of the fibers, the fiber to rubber adhesion and fiber length. One of the main features related to this class of composites is their hysteretic properties which are of great importance especially in dynamic applications such as tire treads. In this research, short aramid fibers with different kinds of surface treatments: Standard finish and resorcinol formaldehyde latex (RFL)‐coating, have been applied in two different carbon black filled rubber compounds based on natural rubber (NR) and ethylene propylene diene rubber (EPDM). The dynamic properties of the compounds have been measured as influenced by the different kinds of fiber treatments on rubber‐fiber interaction. Finally, the contribution of the interfaces and/or interphase layers to the loss properties is characterized. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2013

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“…The improvement in the peel bond strength can be attributed to the mechanical interlocking effect because of the roughness developed as a result of plasma treatment [30,31]. In addition, plasma treatment also imparts the hydroxyl groups which may covalently bond with Resorcinol Formaldehyde Latex (RFL) facilitating improved chemical interaction with the rubber matrix [32]. The presence of roughness ensures two fold contributions to the increase in interfacial bonding strength, the first one being the better infiltration of matrix with the surface and the piercing effect of the surface crusts inside the cured matrix ultimately leading to the locking effect.…”

Section: Resultsmentioning

confidence: 99%

Submicron surface roughening of aliphatic polyamide 6,6 fabric through low temperature plasma and its effect on interfacial bonding in rubber composite

Periyasamy

ASM

et al. 2017

Journal of Industrial Textiles

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The present study aims to produce submicron surface roughening of aliphatic polyamide 6,6 (nylon 6,6) fabric using dielectric barrier discharge-based atmospheric low temperature plasma for improving the adhesion bonding with rubber. The plasma treatment was done in the time ranging from 15 s to 300 s. Formation of surface roughness on the fabric due to plasma treatment and the associated chemical changes were studied through high-resolution scanning electron microscope, geometrical surface roughness by Kawabata evaluation system surface tester, contact angle measurements and Fourier transform infrared in Attenuated total reflectance mode. Scanning electron microscope micrographs revealed the presence of submicron roughness on the nylon 6,6 fibre surface with pores of around 100 nm (0.1 µm) for the optimum treatment time of 180 s above which the pore merging effect dominated resulting in the net low surface roughness. Geometrical roughness (SMD) results were also well in agreement with the scanning electron microscope results for the roughening and the optimum effect of the plasma treatment. The control and plasma treated nylon 6,6 samples were used as reinforcements for rubber composite. The peel strength of the rubber composite, which is a measure of interfacial bonding, increased to 150% as the maximum for the optimum plasma treatment time of 180 s. Intense rubber deposits over the 180 s plasma treated samples were observed while only a few deposits of rubber were observed on the control fabric when their interfaces were examined through scanning electron microscope after peeling test.

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The Effect of Oily Finish Components on the Adhesion Between Aramid Fibers and Rubber

Cited by 16 publications

References 7 publications

Dynamic behavior of short aramid fiber‐filled elastomer composites

Dynamic behavior of short aramid fiber‐filled elastomer composites

Viscoelastic properties of short aramid fibers‐reinforced rubbers

Submicron surface roughening of aliphatic polyamide 6,6 fabric through low temperature plasma and its effect on interfacial bonding in rubber composite

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