FIELD: chemistry.
SUBSTANCE: invention relates to coatings with barrier properties for protection of equipment, located in descending well, against the environmental impact, and deals with nanocoating for products. Composite includes substrate, layer of binding substance, located on the surface of substrate, and layer of nanofiller, which contains nanographene and is located on the surface of binder layer opposite substrate. Nanocoating layer for application on substrate includes multiply alternating layers, consisting of binder layer and nanofiller layer.
EFFECT: invention provides obtaining improved barrier properties of equipment in the process of operation in descending wells.
20 cl, 10 dwg, 2 ex
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