thermal stability of radiation vulcanized epdm rubber abdel
Stabilization of γ-radiation vulcanized EPDM rubber
The effect of different antioxidants and their mixtures on the thermal aging and accelerated weathering of γ-radiation vulcanized EPDM rubber was also investigated. The compounds used were synergistic blends of phenolic and phosphite antioxidants, i.e. 1:4 Irganox 1076:Irgafos 168, and a blend of arylamine and quinoline type antioxidants, i.e. 1:1 IPPD:TMQ, at different concentrations.
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Accelerated aging and stabilization of radiation
Addition of the antioxidant to the EPDM rubber and following irradiation to 100 kGy, leads to an increase in the thermal stability of the tested samples after thermal aging for 28 days at 100°C and has the order: Irganox 1076/Irgafos 168 blend>IPPD/TMQ blend>control>Tinuvin 622.
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Aging of ethylene-propylene diene rubber (EPDM) vulcanized
The effect of different antioxidants and their mixtures on the thermal aging and accelerated weathering of γ-radiation vulcanized EPDM rubber was also investigated. The compounds used were synergistic blends of phenolic and phosphite antioxidants, i.e. 1:4 Irganox 1076:Irgafos 168, and a blend of arylamine and quinoline type antioxidants, i.e. 1:1 IPPD:TMQ, at different concentrations.
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Stabilization of γ-radiation vulcanized EPDM rubber
Stabilization of γ-radiation vulcanized EPDM rubber against accelerated aging The effect of different antioxidants and their mixtures on the thermal aging and accelerated weathering of γ-radiation vulcanized EPDM rubber was also investigated.
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Thermal and electrical behaviour of radiation vulcanized
In the presence of 40 phr of Al 2 O 3 in EPDM rubber matrix and radiation vulcanized, there is shift in the maximum temperature of the DTG peak (T max) towards higher temperature from 430 to 515 °C, which implies that improved thermal stability.
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Evaluation of some antioxidants in radiation vulcanized
The effect of various antioxidants on the thermal stability of radiation vulcanized EPDM rubber was investigated. Relative values of the thermal parameters, i.e. onset temperature, peak temperature, etc., between the samples containing antioxidants and those without antioxidants were used as the measure of the stability.
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Aging of ethylene-propylene diene rubber (EPDM) vulcanized
The present paper concerns the thermal stability of natural rubber/recycled ethylene-propylene-diene-monomer (NR/R-EPDM) blends. The blends were prepared using various accelerators and vulcanising ...
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Improvement of thermal stability of EPDM by radiation
The radiation effect is related to the cross-linking, but the contribution of radiolysis on the thermal stability at 100 kGy must not be discarded. The modified EPDM presents satisfactory functional features related to the material durability.
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Thermal and electrical behaviour of radiation vulcanized
Thermal and electrical behaviour of radiation vulcanized EPDM/Al 2 O 3 composites Thermal and electrical behaviour of radiation vulcanized EPDM/Al 2 O 3 composites Abdel-Aziz, M.M; Gwaily, S.E; Madani, M 1998-12-01 00:00:00 Thermal degradation as well as the thermal and electrical properties has been explored for γ -radiation-vulcanized EPDM rubber/Al 2 O 3 composites.
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Improvement of thermal stability of EPDM by radiation
Thermal stability of γ-radiation-modified ethylene-propylene-diene monomer/divinyl benzene systems was evaluated by means of oxidation resistance according to the oxygen uptake procedure.
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Accelerated aging and stabilization of radiation-vulcanized EPDM
The thermal stability was investigated for ethylene propylene diene terpolymer (EPDM) rubber loaded with different white and black fillers, namelyRadiation-processing technologies are discussed under the following categories: cross-linking of plastics and rubbers, curing of coatings and inks
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Evaluation of some antioxidants in radiation vulcanized
in radiation vulcanized ethylene–propylene diene (EPDM) rubber | Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) have been used to study the oxidation of γ-ray vulcanized ethylene–propylene diene rubber (EPDM) stabilized with various types of antioxidants.
Send InquiryEnhancement of Adhesion between EPDM and Polyester Fabric by
Ethylene propylene diene monomer (EPDM) rubber is one of the fastest growing syntheticTo study the effect of radiation on the adhesion between the EPDM rubber and the polyester fabricThermal oxidation of the vulcanized rubber polyester fabric assembly was carried out for different
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EPDM rubber
EPDM rubber (ethylene propylene diene monomer rubber) is a type of synthetic rubber that is used in many applications. EPDM is an M-Class rubber under ASTM standard D-1418; the M class comprises elastomers having a saturated chain of the polyethylene type
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Effect of Compatibiliser, Curing Sequence and Ageing on the Thermal
The thermal stability of the vulcanisates of silicone rubber, EPDM, their blends and aged specimens of these systems hasstability of E P D M is attributed to its saturated main chain structure. 5 As far as high-temperature stability is concernedEffects of UV Radiation on Building MaterialsMarston.
Send InquiryIrradiation vulcanized styrene-butadiene rubber/nanoscale silica
This paper investigated the styrene butadiene rubber (SBR)/nanoscale silica (SiO2) composites vulcanized by electron-beam irradiation.Shamshad A, Basfar AA, Abdel Aziz MM (2000) Comparison of thermal stability of sulfur, peroxide and radiation cured NBR and SBR vulcanizates.
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Thermogravimetric characteristics and decomposition kinetics of EPDM
Ethylene propylene diene monomer (EPDM) is a synthetic rubber that is widely…The kinetic parameters and thermal decomposition of vulcanized EPDM were studied using thermogravimetric method with various vulcanizationStudy of thermal stability of nitrile rubber/polyimide compounds.
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Scilit | Article - Characterization Study of EPDM Rubber Vulcanized by
in Egyptian Journal of Radiation Sciences and Applications.Share this article. Click here to see the statistics on "Egyptian Journal of Radiation Sciences and Applications" .
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Vulcanization
Vulcanization (British: vulcanisation) is a chemical process, invented by Charles Goodyear, used to harden rubber. Vulcanization traditionally referred to the treatment of natural rubber with sulfur and this remains the most common example
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EPDM Rubber Products: EPDM Rubber & EPDM Applications
EPDM rubber (Ethylene Propylene Diene Monomer rubber) is a high-density synthetic rubber primarily used for outdoor applications like rubber roofing.Stability in high and low temperatures - a general purpose EPDM material can be used in an environment where the temperature range is from
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