Oxidation of rubbers analysed by HATR/IR spectroscopy

Delor, F.; Barrois-Oudin, N; Duteurtre, X.; Cardinet, C.; Lemaire, J.; Lacoste, J.

doi:10.1016/s0141-3910(98)00028-7

Cited by 48 publications

(21 citation statements)

References 6 publications

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“…The presence of a peak at 1538 cm −1 in the aged sample, assigned to the COO − stretching, indicated the presence of thermo‐oxidative degradation of the SBR‐r composites at the surface. Several studies3, 31–33 reported the formation of carboxylate group as the main oxidation product on the material surface. Radical attacks, in the presence of O 2 , lead to the formation of several types of oxygenated species such as alcohols, peroxides, and other carbonyl functions 1.…”

Section: Resultsmentioning

confidence: 99%

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Accelerated aging of elastomeric composites with vulcanized ground scraps

Carli

Bianchi

Mauler

et al. 2011

J of Applied Polymer Sci

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The aim of this work is to study the effect of thermal aging on the mechanical, dynamic-mechanical, and chemical properties of SBR (styrene-butadiene rubber) composites filled with SBR industrial rubber scraps. Eight composites with varying proportions (10-80 phr) of the SBR ground scraps (SBR-r) were prepared and subjected to accelerated aging in an air-oven. The composites were evaluated, and the results were compared with a control sample (base formulation with 0 phr of SBR-r), before and after thermal aging. The accelerated aging led to a decrease in the mechanical properties as a result of an increase in the stiffness of the material, related to an increase in the crosslink density. However, these properties were not affected by the addition of rubber scraps up to 50 phr, either before or after aging. The increase in the glass transition temperature of the composites after aging, measured using dynamic mechanical analysis, confirmed the occurrence of a postcrosslinking process. Fourier transform infrared spectroscopy and crosslink density revealed that the aging mechanism was dependent on the SBR-r content.

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Section: Resultsmentioning

confidence: 99%

“…These changes may adversely affect the reliability and long‐term performance of the materials, limiting their service life time. Thus, aging effects are important factors when considering both cost and quality 3–7…”

Section: Introductionmentioning

confidence: 99%

Accelerated aging of elastomeric composites with vulcanized ground scraps

Carli

Bianchi

Mauler

et al. 2011

J of Applied Polymer Sci

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“…Probably, the peak is related to the oxidation phenomena that occurred in the rubber matrix after the addition of TiO 2 , which is known as an oxidative agent [8,34]. It was observed the additional peak at 3370 cm −1 with increasing of TiO 2 in the composite, which is assigned to the hydroxyl groups on the TiO 2 particles surface.…”

Section: Ftir Analysismentioning

confidence: 96%

Effect of high loading of titanium dioxide particles on the morphology, mechanical and thermo-mechanical properties of the natural rubber-based composites

2016

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“…The peaks at 1159 cm À1 and 1050 cm À1 are assigned to the asymmetric and symmetric vibrations of CeOeC, respectively. The absorption band at 1734 cm À1 in the IR spectrum is a measure of the degree of degradation, which corresponds to the vibration of C]O band resulting from the oxidation of the polymer [18,19]. The carbonyl absorbance at 1734 cm À1 was determined relative to the absorption band at 1464 cm À1 , which is assigned to the bending of CH 2 [20].…”

Section: Infrared Analysismentioning

confidence: 99%