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Spreading of drops of polydimethylsiloxane on solid horizontal surfaces

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The conditions of spreading of drops of samples of polydimethylsiloxanes (PDMS) with a broad range of their viscosities were compared. It was found that on highly viscous compounds certain peculiarities, which are not characteristic of compounds with low viscosity, can be observed.

  2. 2.

    The influence of the volume of the drop on the rate of spreading is most pronounced for highly viscous PDMS. Increasing the volume of the drop decreases the rate of its spreading.

  3. 3.

    The deviation of the shape of the spreading drop from a spherical segment is manifested all the more, the higher the viscosity of the polymer, the larger the surface energy of the substrate, and the lower the volume of the drop.

  4. 4.

    An investigation of the spreading of drops in normal and inverted positions permits an evaluation of the influence of the mass of the drop on the rate of spreading.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Academy of Sciences of the USSR, USSR

    V. A. Ogarev, T. N. Ivanova, V. V. Arslanov & A. A. Trapeznikov

Authors
  1. V. A. Ogarev
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  2. T. N. Ivanova
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  3. V. V. Arslanov
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  4. A. A. Trapeznikov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1467–1473, July, 1973.

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Ogarev, V.A., Ivanova, T.N., Arslanov, V.V. et al. Spreading of drops of polydimethylsiloxane on solid horizontal surfaces. Russ Chem Bull 22, 1426–1431 (1973). https://doi.org/10.1007/BF00930031

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  • DOI: https://doi.org/10.1007/BF00930031

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