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Effect of Nanodispersed Carbon Black on the Aggregative Stability of Butadiene–Styrene Latex in Liquid-Phase Filling in an Ultrasonic Field

  • Macromolecular Compounds and Polymeric Materials
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Abstract

The influence of the morphology of dispersed particles, sorption ability, and oxygen-containing groups of carbon black on the destabilization of the SKS-30ARK emulsion rubber latex in liquid-phase filling with nanodispersed carbon black in an ultrasonic field was studied. The latex destabilization is caused by sorption of emulsifying agents onto carbon black from the protective surface of latex globules, which is indirectly confirmed by an increase in the surface tension coefficient of the latex system. The complete coagulation of the butadiene–styrene latex is reached without using coagulants in the course of liquid-phase filling with carbon black at the component ratio carbon black : rubber 100 : 100 (wt parts) and рН ≤ 4.3 when using K354 carbon black and at the same component ratio and рН ≤ 3.6 when using P324 carbon black. Liquid-phase filling of emulsion rubbers in the step of their recovery from the latex ensures uniform distribution of nanodispersed carbon black throughout the volume of the elastomer compound due to the dispersing effect of the emulsifying components of the latex. These components migrate from the surface of latex globules to the developed active surface of carbon black under the action of ultrasonic field.

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Funding

This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

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Authors and Affiliations

  1. Voronezh State University of Engineering Technologies, 394000, Voronezh, Russia

    V. I. Korchagin, A. V. Protasov & I. S. Kiselev

Authors
  1. V. I. Korchagin
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  2. A. V. Protasov
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  3. I. S. Kiselev
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Translated from Zhurnal Prikladnoi Khimii, No. 2, pp. 169–176, February, 2023 https://doi.org/10.31857/S0044461823020056

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Korchagin, V.I., Protasov, A.V. & Kiselev, I.S. Effect of Nanodispersed Carbon Black on the Aggregative Stability of Butadiene–Styrene Latex in Liquid-Phase Filling in an Ultrasonic Field. Russ J Appl Chem 96, 162–168 (2023). https://doi.org/10.1134/S1070427223020065

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  • DOI: https://doi.org/10.1134/S1070427223020065

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