On the effectiveness of curing blanks from polymer concrete with a polyether matrix by an ultraviolet irradiator

Veshkin E.A, Postnov V.I., Semenychev V.V., Krasheninnikova E.V., Ershov V.V.
UDC
620.1:678.8
DOI
10.18577/2307-6046-2017-0-12-7-7
Article PDF (Russian) (590.67 KB)
How to cite
Veshkin E.A, Postnov V.I., Semenychev V.V., Krasheninnikova E.V., Ershov V.V. On the effectiveness of curing blanks from polymer concrete with a polyether matrix by an ultraviolet irradiator // Proceedings of VIAM. 2017. No. 12. DOI: 10.18577/2307-6046-2017-0-12-7-7. URL: https://test.viam.ru/en/journal/2017/12/7
Keywords
sclerometry, microscopic studies, microhardness, polyester resin, ultraviolet irradiation.
Abstract

Samples from cured polyester resin and polymer concrete, made on its basis, were treated with an ultraviolet irradiator for two minutes to two hours. On the initial samples and samples subjected to ultraviolet irradiation, the microhardness values and the width of the grooves obtained with the help of a laboratory sclerometer with a load on a diamond indentor of 10 N were evaluated. It was shown that with increasing duration of ultraviolet irradiation, the microhardness values increase, and the width sclerometric grooves decreases. The increase in the degree of polymerization of the samples leads to the alignment of the shoreline grooves.

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