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L. S. Dzubenko, O. O. Sapyanenko, P. P. Gorbyk, V. P. Plavan, N. M. Rezanova
«The Features of Structure Formation in the Polypropylene–Polyvinyl Alcohol (Glycerol)–Methylsilica Melts»
355–364 (2017)

PACS numbers: 47.61.Jd, 47.61.Ne, 78.30.Jw, 81.16.Dn, 81.70.Pg, 82.35.-x, 83.50.Xa

Using the IR-spectroscopy, differential thermal analysis, and optical microscopy techniques with statistical microstructural analysis, influence of the nanosize methylated-surface silica (MSS) on structure-forming processes under flow conditions of a melt mixture of the polypropylene–polyvinyl alcohol plasticized with glycerol PP/PVA(Glyc) at mass ratio of 30/70(7) is studied. As established, for fibre-forming processes in blends, an optimal value of the MSS content is 0.5% mass., and there is an optimal blending at simultaneous introduction of components, namely, polypropylene + polyvinyl alcohol (glycerol) + MSS. This one may be related to the features of forming of a boundary layer between PP and PVA.

Key words: polypropylene, polyvinyl alcohol, glycerol, silica, the melts of polymer blends, fibre forming.

https://doi.org/10.15407/nnn.15.02.0355

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