Influence of the nature of surface-active substances on rheology of high-filled pastelike compositions on a base on liquid diene rubber and disperse filler

Authors

  • Alexander B. Surovtcev Oles Honchar Dnipropetrovsk National University, 72, Gagarin Ave., Dnipropetrovsk 49010, Ukraine
  • Kristina I. Kovalenko Oles Honchar Dnipropetrovsk National University, 72, Gagarin Ave., Dnipropetrovsk 49010, Ukraine
  • Nikolay Ya. Kuzmenko Ukrainian State University of Chemical Technology, 8, Gagarin Ave., Dnipropetrovsk, 49005, Ukraine
  • Sergey G. Bondarenko Oles Honchar Dnipropetrovsk National University, 72, Gagarin Ave., Dnipropetrovsk 49010, Ukraine

DOI:

https://doi.org/10.15421/081415

Keywords:

high-filled pastelike compositions, liquid diene rubber, disperse filler, surface-active substances, polyoxypropylene, rheological properties

Abstract

Results of researches on reception of pastelike high-filled compositions and estimation of their rheological properties with use cone – plate rheometer are presented. Liquid diene rubber with end hydroxyl groups (as binding), surfaceactive substance (PEAHENS) and disperse filler are entered into structure of compositions. The estimation of sedimentation firmness of compositions and their fluidity in the range of pressure of shift 1 – 30 кPа and temperatures from 30 to 50°С is executed. By results of an estimation of influence of concentration dependence of PEAHENS on a viscosity indicator it is shown that its introduction in a pastelike composition at level 0.5 mas. % is expedient. For considered in work low polar liquid diene rubber more effective decrease in viscosity of a pastelike composition provide polyoxypropylene, especially on the average an interval of pressure of shift which basically can be used in practice. Slightly concede them titanorganic derivatives of oligomer polyoxypropylene. The greatest effect of decrease in viscosity for compositions will reach at use oligomer polyoxypropylene with molecular weight 480, in this case viscosity of a composition is at level of 10 Pa ⋅ s for rather wide interval of pressure of shift.

Author Biography

Alexander B. Surovtcev, Oles Honchar Dnipropetrovsk National University, 72, Gagarin Ave., Dnipropetrovsk 49010

Associate Professor, Department of Chemistry and Chemical Technology of Macromolecular Compounds, PhD in Chemistry

References

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Published

2014-12-02

Issue

Vol. 22 No. 1 (2014): Bulletin of Dnipropetrovsk University. Series Chemistry

Section

Chemical Technology

License

Copyright (c) 2014 Oles Honchar Dnipropetrovsk National University

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