A blown film that comprises polypropylene that has a melt flow rate of 1.8 to 14.0 g/10 min. and a melting point of at least 115° C. The blown film has a haze of less than 10% and a gloss of greater than 70%. The blown film may be co-extruded with a medium density polyethylene or 15 wt % of an impact copolymer. A clarifier may also be incorporated. The blown film that comprises polypropylene is produced on a standard air cooled blown film line.
申请公布号
US8075830(B2)
申请公布日期
2011.12.13
申请号
US20070956406
申请日期
2007.12.14
申请人
MIER RODOLFO;MILLER MARK;MCBRIDE RALEIGH;FINA TECHNOLOGY, INC.