Features of biodegradation of thermoplastics based on polyesters in different climatic zones

Laptev A.B., Nikolaev E.V., Kurshev E.V., Goryashnik J.S.
UDC
620.1:678.073
DOI
10.18577/2307-6046-2019-0-7-84-91
Article PDF (Russian) (710.06 KB)
How to cite
Laptev A.B., Nikolaev E.V., Kurshev E.V., Goryashnik J.S. Features of biodegradation of thermoplastics based on polyesters in different climatic zones // Proceedings of VIAM. 2019. No. 7. DOI: 10.18577/2307-6046-2019-0-7-84-91. URL: https://test.viam.ru/en/journal/2019/7/10
Keywords
bio fouling, degradation of polymers, microorganisms, mineralized water, thermoplastics based on polyesters.
Abstract

Results of research of samples of materials (polyethylene terephthalate, polystyrene) in water of the Black sea (Gelendzhik) and the mineralized water of a circulating cycle of the petrochemical plant (Ufa) are resulted. It was found that the fouling and destruction of the surface in these media occurs in stages: the formation of deposits of mechanical impurities and algae, complete surface coating with bacteria and deposits of calcium salts (both in sea and recycled water), which leads to saturation of the volume of polymer samples with moisture and destruction of the surface by products of bacterial metabolism and causes a decrease in both strength and plasticity of samples of polystyrene and polyethylene terephthalate.

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