FIELD: textile, paper.
SUBSTANCE: polypropylene thread produced by cutting of extruded film is exposed to unbalance low-temperature plasma of high-frequency capacitance discharge in a vacuum chamber for 180±1 s at the anode voltage from 2.5 to 4.5±0.1 kV, current force at the anode from 0.3 to 0.6±0.05 A, working pressure of 26.6±0.1 Pa, consumption rate of 0.04±0.005 g/s of mixture of plasma-producing gases argon and propane-butane in the ratio of 70% to 30%.
EFFECT: increased quality of polypropylene threads by improvement of physical-mechanical properties.
1 dwg, 1 tbl
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