STUDY OF THE INFLUENCE OF PLASTICIZING COMPONENTS ON PROPERTIES OF ELASTOMER COMPOSITIONS BASED ON GENERAL PURPOSE RUBBERS

UDC 678.049

 

Krotova Olga Aleksandrovna – PhD (Engineering), Assistant Professor, the Department of Polymer Composite Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: o.krotova@belstu.by

Shashok Zhanna Stanislavovna – DSc (Engineering), Professor, Professor, the Department of Polymer Composite Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: shashok@belstu.by

Uss Elena Petrovna – PhD (Engineering), Assosiate Professor, Assistant Professor, the Department of Polymer Composite Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: uss@belstu.by

Bogdanovich Diana Anatol’yevna – Master’s degree student, the Department of Polymer Composite Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: bogdanovichdiana@mail.ru

Zholnerkevich Veronika Igorevna – PhD student, the Department of Oil and Gas Processing and Petrochemistry. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: zholnerkevichv@mail.ru

 

 

DOI: https://doi.org/ 10.52065/2520-2669-2024-277-10

 

Key words: elastomeric composition, plasticizing additive, general purpose rubber, petroleum oil, refined, compatibility, Mooney viscosity, optimal vulcanization time.

 

For citation: Krotova O. A., Shashok Zh. S., Uss E. P., Bogdanovich D. A., Zholnerkevich V. I. Study of the influence of plasticizing components on properties of elastomer compositions based on general purpose rubbers. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2024, no. 1 (277), pp. 75–81 (In Russian). DOI: 10.52065/2520-2669-2024-277-10.

Abstract

The influence of the extract of selective purification of vacuum distillate VD-4 and its refineries used as plasticizing additives on the technological properties of elastomeric compositions based on a combination of general purpose rubbers has been studied. The studied additives are plasticizing components purified by various technologies and isolated from VD-4 distillate. The comparison sample was a rubber mixture based on a combination of SKI-3 and SKD rubbers, containing the industrial plasticizer I-40 oil. The studied plasticizing components were introduced into rubber mixtures at a dosage of 5.0 and 10.0 phr. An analysis of the results of a study of the compatibility of plasticizing additives with an elastomeric matrix revealed that the purification of vacuum distillate VD-4 leads to an improvement in this indicator, as evidenced by lower values of the Huggins parameter. It was revealed that the introduction of refined extracts of the selective purification of vacuum distillate VD-4 leads to an increase in the viscosity of the Muni (up to 17.4%) and the minimum torque (up to 17.8%) and practically has no effect on the maximum torque and the time to achieve the optimal degree of vulcanization compared with compositions containing oil I-40.

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26.12.2023