Effect of Vulcanizing Systems on Temperature Properties of  Rubber Based on Ethylene Propylene Rubber

Semenova, S.N.; Сулейманов, Р. Р.; Chaikun, A.V.

doi:10.47664/0022-9466-2020-79-5-260-263

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“…The technical properties of vulcanizates are complexly dependent on the structure and density of the spatial structure formed in the rubber compound during the vulcanization process [9][10][11][12]. As a rule, the best complex of properties is possessed by vulcanizates containing crosslinks of different thermal stability (for example, a combination of carbon-carbon and monosulfide with polysulfide or ionic ones) and statistically (evenly) distributed over the volume of the material.…”

Section: Introductionmentioning

confidence: 99%

Influence of Vulcanizing System on the Properties of Rubbers Based on Ethylenepropylene Rubber

Zakirova

2021

KEM

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The article investigates the effect of vulcanizing systems of different activity on the vulcanization and elastic-strength properties of rubber compounds based on ethylene-propylene rubber Keltan . Were taken vulcanizing systems: a mixture of organic peroxide, sulfur and sulfenamide accelerator (1); a mixture of organic peroxide, sulfur and dithiodimorpholine (2); a mixture of organic peroxide, sulfur and thiuram accelerator (3); sulfur and sulfenamide accelerator (4). The vulcanization characteristics (maximum and minimum torques; times of onset, optimum and reaching the maximum speed of vulcanization) were evaluated. Elastic-strength (conditional tensile strength, elongation at break, hardness) properties of rubber compounds and operational (changes in conditional tensile strength, elongation at break after aging in air) were determined. It was found that the vulcanizing system (3) containing sulfur, peroxide in an amount of 7.0 parts by weight and thiuram accelerator imparts the best elastic and strength properties to rubber compounds and leads to their resistance to high temperatures.

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Section: Introductionmentioning

confidence: 99%

Influence of Vulcanizing System on the Properties of Rubbers Based on Ethylenepropylene Rubber

Zakirova

2021

KEM

View full text Add to dashboard Cite

show abstract

Effect of Vulcanizing Systems on Temperature Properties of Rubber Based on Ethylene Propylene Rubber

Cited by 1 publication

References 0 publications

Influence of Vulcanizing System on the Properties of Rubbers Based on Ethylenepropylene Rubber

Influence of Vulcanizing System on the Properties of Rubbers Based on Ethylenepropylene Rubber

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