FIELD: chemistry.
SUBSTANCE: method involves sintering powdered ultra-high molecular polyethylene and hydrophilisation of the obtained material with aqueous solution of fluorine-containing surfactant Flaktonit K-9.
EFFECT: improvement and stabilisation of hydrophilic properties and capillary-porous properties of the material, increased efficiency and longer service life of indirect evaporating air cooling systems on this basis, reduced consumption of surfactant, cost of material and duration of the manufacturing process cycle.
6 cl, 1 ex
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