Cycloolefin copolymer and modified polyolefin composite watertight soft package material and preparation method and application thereof

摘要: The invention relates to a cycloolefin copolymer and modified polyolefin composite watertight soft package material preparation method application thereof, belongs the technical field of films. is prepared from, by weight, 40-55% copolymer, 35-45% polyethylene, 2-15% polypropylene, 2-8% ethylene-octene adding up 100%. polyethylene polypropylene are blended for use, it possible effectively improve physical properties watertightness produced; using compatibility polypropylene; therefore, processing stability improved. In addition, herein has excellent tear resistance shatter resistance.