公开(公告)号：WO2023280800A1

公开(公告)日：2023-01-12

申请号：PCT/EP2022/068500

申请日：2022-07-05

申请人： BOREALIS AG

发明人： WANG, Jingbo ,  BERGER, Friedrich ,  ALABRUNE, Arnaud ,  SEMAAN, Chantal

IPC分类号： B32B27/08 ,  B32B27/32 ,  C08F210/16 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2307/72 ,  B32B2439/06 ,  B32B2439/70 ,  B32B2439/80 ,  B32B27/327 ,  C08F2420/07 ,  C08F4/65912

摘要： Multilayer films comprising at least one layer (A), being a sealing layer (SL), and one layer (B), with beneficial heat sealing and hot tack properties. In particular, the invention relates to a multilayer packaging film comprising a sealing layer (SL) based on a specific multimodal metallocene catalysed LLDPE.

公开(公告)号：WO2022268963A1

公开(公告)日：2022-12-29

申请号：PCT/EP2022/067191

申请日：2022-06-23

申请人： BOREALIS AG

发明人： WANG, Jingbo ,  BERGER, Friedrich ,  AHO, Jani ,  ALABRUNE, Arnaud ,  SUMERIN, Victor ,  KANELLOPOULOS, Vasileios

IPC分类号： B29D7/01 ,  B32B25/00 ,  C08F210/16 ,  C08J5/18 ,  B32B7/04 ,  C08F4/659 ,  C08L23/08 ,  C08F2420/07 ,  C08F4/65912 ,  C08F4/65916 ,  C08L23/0815 ,  C08L2308/00 ,  C08L2314/06

摘要： The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.

公开(公告)号：WO2023057620A1

公开(公告)日：2023-04-13

申请号：PCT/EP2022/077927

申请日：2022-10-07

申请人： BOREALIS AG

发明人： WANG, Jingbo ,  BERGER, Friedrich ,  ALABRUNE, Arnaud ,  POTTER, Elisabeth

IPC分类号： C08J5/18 ,  C08L23/08 ,  C08L23/06 ,  C08F210/16 ,  C08F210/02 ,  C08F110/02 ,  B32B27/32 ,  C08J2323/06 ,  C08J2323/08 ,  C08L23/0815

摘要： The invention provides a biaxially oriented film comprising a polymer composition having a density 954 to 970 kg/m³ measured according to ISO 1183, and an MFR2 of 0.5 to 2.0 g/10 min, measured according to ISO 1133, wherein said composition comprises: (i) 90 to 99 wt%, relative to the total weight of the polymer composition, of a multimodal high density polyethylene (HDPE), wherein the multimodal HDPE has a density in the range of 945 to 970 kg/m³ measured according to ISO 1183, an MFR2 of 0.1 to 3.0 g/10 min according to ISO 1133 and a molecular weight distribution (MWD) of 5 to 25, and wherein the multimodal HDPE comprises at least two fractions: (A) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a lower molecular weight fraction being a polyethylene with a density in the range of 955 to 980 kg/m³ measured according to ISO 1183 and an MFR2 of 100 to 1000 g/10 min measured according to ISO 1133; and (B) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a higher molecular weight fraction being a polyethylene with a density in the range of 940 to 960 kg/m³ measured according to ISO 1183 and an MFR2 of 0.0001 to 1.0 g/10 min measured according to ISO 1133; and (ii) 1 to 10 wt%, relative to the total weight of the polymer composition, of a hydrocarbon resin.

公开(公告)号：WO2023046754A1

公开(公告)日：2023-03-30

申请号：PCT/EP2022/076225

申请日：2022-09-21

申请人： BOREALIS AG

发明人： WANG, Jingbo ,  BERGER, Friedrich ,  HIRVONEN, Juulia ,  ALABRUNE, Arnaud ,  POTTER, Elisabeth ,  TRAN, Tuan Anh

IPC分类号： C08J5/18 ,  C08F210/16 ,  C08F110/02 ,  B32B27/32

摘要： The invention provides a biaxially oriented film comprising a multimodal high density polyethylene (HDPE), wherein the multimodal HDPE has a density determined according to ISO 1183 in the range of 952 to 968 kg/m³ and an MFR2 of 0.3 to 3.0 g/10 min when measured at 190 °C with a load of 2.16 kg according to ISO 1133, and wherein the multimodal HDPE comprises at least two fractions: (C) 30 to 70 wt% relative to the total weight of the multimodal HDPE, of a lower molecular weight fraction being a polyethylene with a density in the range of 955 to 980 kg/m³ and an MFR2 of 100 to 2000 g/10 min when measured at 190 °C with a load of 2.16 kg according to ISO 1133; and (D) 30 to 70 wt% relative to the total weight of the multimodal HDPE, of a higher molecular weight fraction being a polyethylene with a density in the range of 925 to 970 kg/m³ and an MFR2 of 0.0001 to 1.0 g/10 min when measured at 190 °C with a load of 2.16 kg according to ISO 1133.