FIELD: polymer materials. SUBSTANCE: thermoplastic is melted, melt is converted into film, which is used to spin fiber by means of imparting kinetic energy to the film, energy being supplied by a pan rotating with peripheral velocity at least 10 m/s. Viscosity of melt is close to that at its destruction temperature. Installation has extruder with rotatory fiber-former, product precipitation unit, and receiving device. EFFECT: enabled reprocessing industrial and domestic thermoplastic wastes and increased yield of fibrous material. 9 cl, 5 dwg, 4 tbl
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