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公开(公告)号：EP2869990A4
公开(公告)日：2016-03-02
申请号：EP13813035
申请日：2013-06-11
申请人： NOVA CHEM INT SA
CPC分类号： B32B27/32 , B32B27/08 , B32B27/18 , B32B27/306 , B32B2250/40 , B32B2307/7244 , B32B2307/7246 , B32B2307/734 , B32B2439/70 , Y10T428/31913 , Y10T428/31938
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公开(公告)号：EP2170603A4
公开(公告)日：2013-05-15
申请号：EP08772875
申请日：2008-07-09
申请人： NOVA CHEM INT SA
CPC分类号： B32B27/32 , B32B27/18 , B32B27/30 , B32B27/34 , B32B2250/05 , B32B2307/7244 , B32B2439/80 , C08L23/06 , C08L2205/02 , Y10T428/31757 , Y10T428/31855 , Y10T428/31913 , C08L2666/06
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3.发明公开MULTILAYER FILM PREPARED FROM HIGH IMPACT STRENGTH POLYETHYLENE AND BLENDS OF ZIEGER NATTA CATALYZED AND HIGH PRESSURE LOW DENSITY POLYETHYLENES 审中-公开ZIEGLER NATTA催化剂和聚乙烯高压低密度混合的高分子聚合物膜
公开(公告)号：EP2969559A4
公开(公告)日：2016-10-12
申请号：EP14764561
申请日：2014-02-12
申请人： NOVA CHEM INT SA
发明人： BORSE NITIN , AUBEE NORMAN DORIEN JOSEPH , CHISHOLM P SCOTT , GOYAL SHIVENDRA KUMAR , MARLER JAMIE MICHAEL
CPC分类号： B32B27/32 , B29C47/0026 , B29C47/065 , B29C47/56 , B29C47/92 , B29C2947/92647 , B29C2947/92942 , B32B27/00 , B32B27/08 , B32B27/327 , B32B2250/242 , B32B2270/00 , B32B2307/31 , B32B2307/514 , B32B2307/558 , B32B2307/58 , B32B2307/5825 , B32B2307/72 , B32B2307/7265 , B32B2307/732 , B32B2439/00 , B32B2439/70 , Y10T428/31913
摘要： A multilayer film is prepared from a high impact strength polyethylene (HI polyethylene); a Ziegler Natta catalyzed polyethylene (Z/N polyethylene) and a high pressure low density polyethylene (LD polyethylene) with i) at least one skin layer consists essentially of HI polyethylene and ii) at least one core layer comprises a blend of Z/N polyethylene and said LD polyethylene. The HI polyethylene has a density of from 0.915 to about 0.930 g/cc and a normalized impact strength of at least about 300 g/mil. The amount of HI polyethylene is from about 30 to about 55 weight % (based on the combined weights of the HI+Z/N+LD polyethylenes). The films described herein are readily prepared on blown film equipment and provide an excellent balance of mechanical properties.
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公开(公告)号：EP2081990A4
公开(公告)日：2009-12-09
申请号：EP07816131
申请日：2007-11-05
申请人： NOVA CHEM INT SA
发明人： AUBEE NORMAN DORIEN JOSEPH , CHUANG TINGTING , CHECKNITA DOUGLAS , CHISHOLM P SCOTT , LAM PATRICK , MARSHALL SARAH , SAUVAGEAU DENNY PAUL , TIKUISIS TONY
CPC分类号： C08L23/06 , B29C47/00 , B29C47/0004 , B29C47/0021 , B29C47/0026 , B29C47/8835 , B29C55/28 , B29K2023/065 , B29K2023/083 , B29K2023/086 , B29K2105/0005 , B29K2105/0094 , B29K2995/0063 , B29K2995/0067 , B29K2995/0069 , B29L2007/008 , B32B27/08 , B32B27/32 , B32B2250/242 , B32B2270/00 , B32B2307/72 , B32B2307/7246 , B32B2439/70 , C08J5/18 , C08J2323/06 , C08J2423/06 , C08K5/0083 , C08L2201/14 , C08L2203/16 , C08L2203/162 , C08L2205/02 , C08L2205/025 , C08L2205/24 , C08L2207/062 , Y10T428/27 , C08L2666/06
摘要： Barrier films are prepared from a blend of two high density polyethylene blend components and a high performance organic nucleating agent. The two high density polyethylene blend components have substantially different melt indices. Large reductions in the moisture vapor transmission rate of the film are observed in the presence of the nucleating agent when the melt indices of the two blend components have a ratio of greater than 10/1. The resulting barrier films are suitable for the preparation of packaging for dry foods such as crackers and breakfast cereals.
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