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The Effect of Generalized Parameters of a Dispersed Structure on Rheological Properties of Glass-Filled Polysulfone

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Abstract

A classification of dispersed structures is presented for the polysulfone (PSF) + short glass fibers (GF) dispersed system, and their relationship with generalized parameter Θ and the content of dispersed filler is shown. A relationship is established between generalized structure parameter Θ and rheological properties of glass-filled PCMs based on PSF. It has been shown that the change in the parameters of the structure from a diluted to a medium-filled system leads to the formation of a quasi-continuous framework of dispersed particles at Θ = 0.45 parts by volume in dispersed-filled polymer composite materials (DFPCMs), while the viscosity of PSF-190 + GF melts increases by around three or four times in the processing temperature range from 290 to 340°C. It has been established that the introduction of glass fiber into PSF has practically no effect on the thermal stability time of polysulfone melts. Optimal temperature conditions for their processing into products by injection molding are proposed for DFPCMs based on PSF-190 + GF with different types of structures, viscosities, and thermal stability times.

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Correspondence to A. B. Baranov.

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Translated by Sh. Galyaltdinov

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Baranov, A.B., Simonov-Emel’yanov, I.D. The Effect of Generalized Parameters of a Dispersed Structure on Rheological Properties of Glass-Filled Polysulfone. Polym. Sci. Ser. D 13, 419–423 (2020). https://doi.org/10.1134/S1995421220040036

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  • DOI: https://doi.org/10.1134/S1995421220040036

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