Abstract
Influence of various technological additives on processability of the rubber mixture and the elastic-strength properties of rubber based on butadiene-nitrile caoutchuc BNKS-28AMN was investigated. The study was conducted with the aim of establishing technological additives that increase the elastic-strength characteristics of rubber and its resistance to the action of aggressive hydrocarbon media. The composition of the rubber mixture to be studied included butadiene-nitrile rubber BNKS-28AMN, novoperoks BP-40, zinc monometacrylate, diaphene FP, acetononyl H, oligoester acrylates MGF-9 and TGM-3, carbon black filler P 803 and other ingredients. On lab rollers LB 320 150/150, rubber compound variants were prepared by mixing rubber with ingredients and processing aids. As technological additives were used lubstab-01, zinclet BB 222, dispersant Fl plus and oxanol CS-100. For the rubber mixture variants, the vulcanization characteristics on the MDR 3000 rheometer manufactured by Mon Tech were investigated. The rubber mixture was vulcanized in a two-storey hydraulic electrically heated press VP-400-2E at a temperature of 150 ° C for 30 min. Investigations of the elastic-strength properties of vulcanizates were carried out according to the existing standards for the rubber industry. The study of the thermo-aggressiveness of vulcanizates was carried out by determining the change in their elastic-strength properties after the thermal action of the standard liquid SZHR-1, as well as the change in mass after aging in a mixture of isooctane and toluene. As a result of the conducted studies it was found that the introduction of technological additives leads to an increase in the elastic-strength index of rubber by improving the dispersion of carbon black filler P 803 and other components of the mixture in the rubber matrix. The best elastic-strength characteristics and the smallest their change after exposure to aggressive hydrocarbonic fluids is characterized rubber containing zinkolet BB 222.Forcitation:Spiridonov I.S., Ushmarin N.F., Egorov E.N., Sandalov S.I., Kol'tsov N.I. Influence technological additives on properties of rubber based on butadiene-nitrile caoutchuc. Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol. 2017. V. 60. N 10. P. 53-57
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