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O. I. Tuzhikov
O. I. Tuzhikov
Volgograd Technical University
Volgograd Technical University

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Article
  • Date submitted
    2002-08-10
  • Date accepted
    2002-09-02

Исследование фосфорилирования и озонирования измельченной резины

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Исследована модификация измельченной резины изношенных покрышек под действием перок- сифосфорной кислоты и озоновоздушной смеси. Получены продукты с фосфорно-кислыми, карбок­сильными и карбонильными группами в структуре. Полная статическая обменная емкость фосфори- лированной крошки достигает 2,88 мг-экв/г, озонированной - 0,58 мг-экв/г, привитых на озонирован­ную крошку сополимеров - 4,8 мг-экв/г.

##plugins.libra.common.howToCite## Tuzhikov O.I., Khokhlova T.V., Tuzhikov O.O., Lazebnaya L.G., Samoilenko A.Y. // Journal of Mining Institute. 2003. Vol. 154. p. 197-199.
Article
  • Date submitted
    2000-10-18
  • Date accepted
    2000-11-05

Research of sulfidation and hydrosulfidation processes of rubber crumbs

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In order to find new directions for the use of polymeric material of worn rubber products, the hydrosulfidation of crushed rubber of automobile tire treads was carried out by two methods: polysulfidation followed by desulfidation with alkali and interaction with hydrogen sulfide. According to the first variant the content of mercaptogroups reaches 10%, according to the second variant at atmospheric pressure and room temperature up to 0.6%, at overpressure up to 1 atm 1.5%. It is shown that at treatment with hydrogen sulfide both physical absorption and chemisorption take place. The data on influence of temperature on speed of sorption of gaseous hydrogen sulfide are received.

##plugins.libra.common.howToCite## Tuzhikov O.I., Khokhlova T.V., Lazebnaya L.G., Gadzhiev G.R., Samoilenko A.Y., Tuzhikov O.O. Research of sulfidation and hydrosulfidation processes of rubber crumbs // Journal of Mining Institute. 2001. Vol. 149. p. 212-214.