Abstract
-- An efficient technological process has been developed for preparing an ecologically clean floor covering, which is a nonwoven polypropylene needle-punched material laminated with polypropylene film. In the preparation process, an extrusion method is used for applying a face layer of thermoplastic polypropylene using a slot-like spinneret. The nonwoven needle-punched material is produced from a melt of granulated polypropylene with aerodynamic stretching of the fibers on an LPP-2400GT line. The floor covering can be made with a design applied on the base (nonwoven material) or with coloring the face layer in bulk.
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