RESINS BASED ON COPOLYETHERS FOR PRODUCTION OF PACKAGE PRODUCED WITHOUT SOLID-PHASE POLYMERISATION, METHOD OF PROCESSING SAID RESINS WITH VARIATION OF REDUCED VISCOSITY, AND CONTAINERS AND OTHER ARTICLES THUS PRODUCED Russian patent published in 2012 - IPC B29C49/06 B29D22/00 B29C49/08 B29C51/08 B32B27/08 

FIELD: process engineering.

SUBSTANCE: method of producing shaped article from solid resin based on ether containing ether-base polymer comprising forming shape article by melting and processing ether-base polymer with varying its characteristic viscosity not more than by 0.025 dl/g; wherein said ether-based polymer has characteristic viscosity of 0.70 to 0.95 and polyether-base resin is obtained by direct polymerisation under effects of latent heat, wherein extruded flow of melted polyether-based polymer is cooled in water bath at 80°C or higher. Invention covers also extruded article produced by above described method, as well as by injection moulding, of PET-resin to produce bottle performs and by blow forming of bottles from said perform.

EFFECT: reduction of characteristic viscosity not exceeding 0,025 dl/g.

58 cl, 7 dwg, 22 tbl