Process for making polyolefin films

摘要

Polyolefin films for heat sealed packaging and twist wrapping are obtained by blending under high shear conditions and a rosin or resin, preferably hydrogenated to form a concentrate containing from 10 to 90 wt. %, preferably 20 to 60 wt. % of the resin or rosin and subsequently blending the concentrate with a and extruding the resultant blend to form a film.