Light sources for simulating the aging of polymer materials under the influence of solar radiation

Laptev A.B., Pavlov M.R., Zeleneva T.O.
UDC
620.1:678.8
DOI
10.18577/2307-6046-2024-0-5-71-82
Article PDF (Russian) (684.86 KB)
How to cite
Laptev A.B., Pavlov M.R., Zeleneva T.O. Light sources for simulating the aging of polymer materials under the influence of solar radiation // Proceedings of VIAM. 2024. No. 5. DOI: 10.18577/2307-6046-2024-0-5-71-82. URL: https://test.viam.ru/en/journal/2024/5/7
Keywords
ultraviolet radiation, polymer aging, ultraviolet frequency, source of ultraviolet, photolysis
Abstract

A step-by-step analysis of the ultraviolet spectrum was carried out. It is shown that UV-B and UV-C light are present on the Earth's surface in small doses. UV-A light on the Earth's surface has significant doses leading to photolysis and destruction of heteroorganic polymers. In order to conduct research by simulating light aging, it is necessary to simulate solar radiation in the range from 290 nm (UV-B) with a set of LED radiation sources that fully correspond to the spectral composition and power of Sunlight on the Earth's surface.

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