MEDIUM MODULUS FILM COMPRISING SUBSTANTIALLY LINEAR POLYETHYLENE AND FABRICATION METHOD
摘要
Medium modulus polyethylene films with improved tear performance are made for heavy-duty packaging applications and hot-fill uses. Film compositions contain high molecular weight linear polyethylene and a substantially linear ethylene/.alpha.-olefin interpolymer. The film is at least about 1.25 mils (31 microns) thick, has a film density in the range of 0.923 to 0.95 grams/cubic centimeter (g/cc) and typically has a tear strength or impact resistance at least 30 percent greater than current industrial polyethylene film. The novel film has good dimensional stability and strength poroperties which allow significant down-gauging savings.
申请公布号
CA2190005(A1)
申请公布日期
1995.11.16
申请号
CA19952190005
申请日期
1995.05.09
申请人
DOW CHEMICAL COMPANY (THE)
发明人
WOOSTER, JEFFREY J.;COBLER, BRAD A.;CADY, LARRY D.;BERTELSMAN, DAVID G.;DODSON, LISA E.;MCKINNEY, OSBORNE K.