Вплив хімічної природи матричного полімера на закономірності течії та процеси структуроутворення в розплавах сумішей полімерів

N. M. Rezanova; M. V. Tsebrenko; I. A. Melnik; I. A. Tsebrenko; L. S. Dzubenko; O. O. Sapyanenko

doi:10.15407/hftp06.03.354

Authors

N. M. Rezanova Kyiv National University of Technology and Design
M. V. Tsebrenko Kyiv National University of Technology and Design
I. A. Melnik Kyiv National University of Technology and Design
I. A. Tsebrenko Kyiv National University of Technology and Design
L. S. Dzubenko Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
O. O. Sapyanenko Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine

DOI:

https://doi.org/10.15407/hftp06.03.354

Keywords:

mixture of polymers, structure formation, viscosity, interface tension

Abstract

The peculiarities of flowing and structure formation processes in polymer mixture melts with matrix polymer of various chemical nature have been investigated. It has been shown that for polypropylene/plasticized polyvinylalcohol (PP/PVA) mixtures PP, microfibers are the preference structure type even at components ratio 50:50. For other polymer mixture this ratio is the region of phase change. The value of interface tension for PP/PVA melts is lower in comparison with those for other polymer mixtures. The earlier found regularity that swelling values of extrudates characterize phenomenon of the specific fibre formation. Is not confirmed for PP/PVA mixtures. It has been found that methylsilica additives decrease melt viscosity and improve the mixture melt capability to longitudinal deformation. This permit to regulate of structure-formation processes in matrix polymers with various chemical nature.

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