The use of the phosphor of phosphogypsum as a filler for fluorescent polymers
https://doi.org/10.20914/2310-1202-2020-1-219-224
Abstract
In modern Russia and the CIS countries, phosphogypsum waste is an urgent environmental problem. This product is obtained in the production of phosphoric acid and is a large tonnage of low-recyclable waste. According to open sources, it is processed 20 times less than it is produced. Attempts to use it in cement production, in construction, in agricultural purposes do not lead to a cardinal fracture and it is still accumulating. In this regard, the topic of processing and use of phosphogypsum is an urgent topic. In the modern world there is a demand for bright luminescent colors, paints, consumer goods. An analysis of the literature showed that phosphors can be made from various chemicals, including metal sulfides. The purpose of the work is to study the possibility of obtaining a phosphor from phosphogypsum and its use as a filler-pigment for polymer products. The phosphor was obtained from phosphogypsum by the reduction of phosphogypsum with an organic substance. This phosphor was studied in polyethylene, polypropylene, polystyrene and other polymer matrices. It is shown to be compatible with polyolefins, polystyrene, polyvinyl chloride, nitrocellulose matrices; not compatible with epoxy matrices. It is shown that at the melting temperature of polymers this phosphor does not decompose, does not lose its properties. As a result of the work, conclusions were drawn about the possibility of obtaining a cheap phosphor filler, which is compatible with many industrial polymers. This phosphor can be used in toys, in the manufacture of special luminescent paint and consumer goods..
About the Authors
R. P. Medvedev
AN Polymer
Russian Federation
chief technologist, ,, Prosveshcheniya st., 155, Novocherkassk, 346428, Russia
Russian Federation
chief technologist, ,, Prosveshcheniya st., 155, Novocherkassk, 346428, Russia
Y. S. Podkovyrina
Smart Materials Research Institute Southern Federal University
Cand. Sci. (Phys.-Math), engineer-researcher, Sladkova st. 178/24, Rostov-on-Don, 344090, Russia
Cand. Sci. (Phys.-Math), engineer-researcher, Sladkova st. 178/24, Rostov-on-Don, 344090, Russia
A. A. Skorynina
Smart Materials Research Institute Southern Federal University
graduate student, engineer, Sladkova 178/24, Rostov-on-Don, 344090, Russia
graduate student, engineer, Sladkova 178/24, Rostov-on-Don, 344090, Russia
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Review
For citations:
Medvedev R.P., Podkovyrina Y.S., Skorynina A.A. The use of the phosphor of phosphogypsum as a filler for fluorescent polymers. Proceedings of the Voronezh State University of Engineering Technologies. 2020;82(1):219-224. (In Russ.) https://doi.org/10.20914/2310-1202-2020-1-219-224
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