Modification of domestic polypropylene with styrene butadiene thermoplastic
https://doi.org/10.20914/2310-1202-2025-3-234-240
Abstract
An analog of a polymer material based on homopolypropylene modified with styrene butadiene thermoplastic (SBS TEP), which is similar in operational and physico-mechanical properties, has been developed. The optimal ratio of the mass parts of the most suitable raw materials of domestic brands, namely propylene homopolymer and linear styrene butadiene thermoplastic, was selected. The effect of styrene-butadiene thermoplastics, which is a copolymer consisting of butadiene and styrene blocks with a different ratio of rigid, acting as a mesh and filler, and soft phases, defining a flexible elastomeric nature, with a linear or branched structure, on the homopolymer of propylene, has been studied. The process of mixing the components was carried out using the extrusion method and subsequent rearrangement. The temperature regime of processing and mixing of polymer materials was selected through experimental work with raw materials. By studying the physico-mechanical properties of the obtained polymer materials, it was revealed that the introduction of styrene-butadiene thermoplastic into polypropylene makes it possible to obtain a material that has improved performance characteristics compared to the "original" polypropylene. The developed polymer material is more resistant to work under elastic loads. The resulting polymer composite material has an extended operating temperature range by reducing the brittleness temperature by 30 °C and increasing the impact strength at -30°C. At the same time, the polypropylene obtained during the experiment, modified with styrene butadiene thermoplastic, is similar in performance properties to some foreign materials, while it consists of raw materials of domestic production. From the point of view of technology, this material has the potential to be cheaper due to the introduction of mineral fillers into its composition, as in foreign analogues.
About the Authors
N. I. Bondarenko
Belgorod State Technological University named after V.G. Shukhov
Russian Federation
Russian Federation
Cand. Sci. (Engin.), assistant professor, Department of Glass and Ceramics Technology, st. Kostyukova, 46 Belgorod, 308012, Russia
I. D. Skvortsova
Belgorod State Technological University named after V.G. Shukhov
Master student, Department of Glass and Ceramics Technology, t. Kostyukova, 46 Belgorod, 308012, Russia
A. A. Skvortsov
Belgorod State Technological University named after V.G. Shukhov
Master student, Department of Glass and Ceramics Technology, t. Kostyukova, 46 Belgorod, 308012, Russia
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Review
For citations:
Bondarenko N.I., Skvortsova I.D., Skvortsov A.A. Modification of domestic polypropylene with styrene butadiene thermoplastic. Proceedings of the Voronezh State University of Engineering Technologies. 2025;87(3):234-240. (In Russ.) https://doi.org/10.20914/2310-1202-2025-3-234-240
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