公开(公告)号：US20240158544A1

公开(公告)日：2024-05-16

申请号：US18546325

申请日：2022-02-11

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSUESS ,  Auli NUMMILA-PAKARINEN ,  Stefan ORTNER

IPC: C08F10/06 ,  B32B27/08 ,  B32B27/32 ,  C08J11/04 ,  C08L23/12 ,  C08L23/14

CPC classification number: C08F10/06 ,  B32B27/08 ,  B32B27/327 ,  C08J11/04 ,  C08L23/12 ,  C08L23/14 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/518 ,  B32B2307/718 ,  B32B2307/7376 ,  B32B2439/70 ,  B32B2439/80 ,  C08J2323/12 ,  C08J2323/14

Abstract: The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162° C.; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 4 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145° C.; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13C NMR; and wherein SL and CL1 are polypropylene-based layers. Furthermore, the present invention refers to a process for manufacturing the coated article and to its use. Another aspect of the present invention relates to a process for recycling the coated article to obtain a recycled polypropylene and to the use of said recycled polypropylene.

公开(公告)号：US20210040254A1

公开(公告)日：2021-02-11

申请号：US16966089

申请日：2019-01-30

Applicant: BOREALIS AG

Inventor： Auli NUMMILA-PAKARINEN ,  Tua SUNDHOLM ,  Hannu Kalervo TAHVANAINEN ,  Valeria POLIAKOVA

IPC: C08F255/10 ,  C08F210/16 ,  C08F210/08 ,  C08F222/06

Abstract: The invention provides a multimodal linear low density polyethylene (LLDPE) which has been grafted with an acidic grafting agent to form a grafted LLDPE (g-LLDPE), wherein said LLDPE is a copolymer of ethylene and at least one α-olefin comonomer and wherein said LLDPE has an MFR2 of 0.05 to 50 g/10 min, preferably 0.05 to 10 g/10 min.

公开(公告)号：US20160271917A1

公开(公告)日：2016-09-22

申请号：US15037470

申请日：2014-11-19

Applicant: BOREALIS AG

Inventor： Auli NUMMILA-PAKARINEN ,  Peter NIEDERSUESS

IPC: B32B27/32 ,  B29C47/00 ,  B29C55/06

CPC classification number: B32B27/32 ,  B29C48/0018 ,  B29C55/06 ,  B29K2023/0625 ,  B29K2995/0051 ,  B29K2995/0081 ,  B32B27/327 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/516 ,  B32B2307/558 ,  B32B2307/5825 ,  B32B2439/46 ,  B32B2439/70 ,  B32B2439/80

Abstract: A multilayer machine direction oriented film comprising at least an (A) layer and (B) layer, at least one of said (A) layer or (B) layer comprising at least 50 wt % of a multimodal linear low density polyethylene (LLDPE) having a density of 905 to 940 kg/m3 and an MFR2 of 0.01 to 20 g/10 min and comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component; wherein said LMW component is an ethylene homopolymer and said HMW component is an ethylene polymer of ethylene with at least two C4-12 alpha olefins; wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3 and has a film thickness of at least 40 microns (after stretching) and wherein said film does not comprise a layer in which more than 50 wt % of said layer comprises a polymer component having a melting point (Tm) of 100° C. or less.

Abstract translation: 至少包含（A）层和（B）层的多层机器方向取向膜，所述（A）层或（B）层中的至少一层包含至少50重量％的多峰线性低密度聚乙烯（LLDPE） 密度为905至940kg / m 3，MFR 2为0.01至20g / 10min，并包含较低分子量（LMW）组分和较高分子量（HMW）组分; 其中所述LMW组分是乙烯均聚物，所述HMW组分是具有至少两个C 4-12α-烯烃的乙烯的乙烯聚合物; 其中所述膜是拉伸膜，其在纵向（MD）上以至少1:3的拉伸比单向取向，并且具有至少40微米的膜厚度（拉伸后），并且其中所述膜不包含 其中超过50wt％的所述层包含熔点（Tm）为100℃或更低的聚合物组分。

公开(公告)号：US20220234337A1

公开(公告)日：2022-07-28

申请号：US17611833

申请日：2020-05-15

Applicant: BOREALIS AG

Inventor： Auli NUMMILA-PAKARINEN ,  Stefan ORTNER ,  Peter NIEDERSUESS ,  Josefien SWAGTEN-LINSSEN

IPC: B32B27/08 ,  B32B27/32 ,  B65D65/40 ,  B32B7/035 ,  B29C48/21 ,  B29C48/00

Abstract: The present invention is directed to a multilayer structure. More specifically, the present invention is directed to a polypropylene multilayer extrusion laminate structure which provides sufficient thermal resistance and mechanical properties, and which multilayer structure can be recycled. The present invention is further directed to a process for producing the multilayer structure by an extrusion lamination process.

公开(公告)号：US20170321048A1

公开(公告)日：2017-11-09

申请号：US15526957

申请日：2015-11-20

Applicant: Borealis AG

Inventor： Auli NUMMILA-PAKARINEN ,  Mikko PELTOVUORI

IPC: C08L23/12 ,  C09D123/12 ,  B29C47/00 ,  B29K23/00 ,  B29C47/02

CPC classification number: C08L23/12 ,  B29C47/0004 ,  B29C47/0021 ,  B29C47/0064 ,  B29C47/02 ,  B29K2023/10 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2314/06 ,  C09D123/12 ,  C08L23/06 ,  C08L23/0815

Abstract: The present invention relates to a polymer composition (A) comprising a blend of i) 60 to 90 wt-% of propylene polymer composition (a) comprising a blend of (a-1) 55 to 95 wt-% of propylene polymer and (a-2) 5 to 45 wt-% of low density ethylene polymer and ii) 10 to 40 wt-% of a plastomer (b) of ethylene copolymer. The invention relates also to extrusion coating articles, comprising at least a substrate layer and a heat sealable layer, wherein composition (A) is used as said heat sealable layer, process for producing the extrusion coated articles as well use of the composition (A) as a heat sealable layer in an extrusion coated article.