Abstract
At present, the development of alternative products for elastomers based on recycling petrochemical raw materials is a new trend of the rubber industry progress. Petrochemical raw materials include spent lubricants and motor oils are among such recycling products. In this context, the influence of the products of recycling waste engine oil (DVCH and RA) in comparison with industrial oil (I-20) on the technological properties of filled elastomeric compositions was investigated. The elastomeric compositions were based on poly isoprene and divinyl rubbers. The plasticizing components were manufactured by IOOO “DVCH-Menedzhment”. They are mixture of hydro-carbons, C16–C20 and differ from each other in the content of linear and branched paraffin. Plastic-elastic properties of rubber compounds on the shear disk viscometer MV2000 in accordance with GOST 10722–76 was carried out. Kinetics of vulcanization on the rheometer ODR2000 according to GOST 12535–84 was defined. It is shown that the introduction of RA test plasticizing component provides a significant effect on Mooney viscosity, as compared to elastomeric compositions containing a plasticizer and I-20 and plasticizing additive DVCH. It revealed that the administration of all components in the studied plasticizing elastomer compositions based on a combination poly isoprene and divinyl rubbers has no significant effect on the rate of relaxation of stress of rubber compounds. It is found that elastomeric compositions containing as additives investigated processing waste oil products (DVCH and RA) are characterized by a slightly smaller value of time to reach an optimal degree of vulcanization.
Highlights
The development of alternative products for elastomers based on recycling petrochemical raw materials is a new trend of the rubber industry progress
The elastomeric compositions were based on poly isoprene and divinyl rubbers
It is shown that the introduction of RA test plasticizing component provides a significant effect on Mooney viscosity, as compared to elastomeric compositions containing a plasticizer and I-20 and plasticizing additive DVCH
Summary
Создание альтернативных продуктов для эластомеров на основе вторичного нефтехимического сырья является актуальной тенденцией в развитии резиновой промышленности. Решение данных задач позволит уменьшить нагрузку на окружа-ющую природную среду за счет использования в технологическом цикле продуктов, полученных при переработке отходов, получать экологически безопасные добавки, замещающие аналогичные на основе нефтехимического сырья, а также улучшить технологические свойства резиновых смесей при сохранении и / или повышении необходимого уровня физико-механических показателей [1–2]. К числу таких продуктов на основе вторичного нефтехимического сырья относятся смазочные материалы и отработанные автомобильные масла. Показатель вязкости резиновых смесей является одной из важнейших характеристик их реологических свойств, а также определяет динамику процесса переработки, служит мерой усилия, которое необходимо приложить к материалу для осуществления течения его с заданной скоростью на той или иной стадии процесса.
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