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：US20230212338A1

公开(公告)日：2023-07-06

申请号：US17995997

申请日：2021-04-09

Applicant: Borealis AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSUESS ,  Stefan ORTNER

IPC: C08F210/06 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08J5/18 ,  C08J2323/14

Abstract: Blown films, especially monolayer blown films, with an improved property profile, the blown films comprising at least 95.0 wt% of a specific heterophasic propylene copolymer (TERHECO).

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：US20230242749A1

公开(公告)日：2023-08-03

申请号：US18013637

申请日：2021-06-29

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSUESS ,  Christian GOETZLOFF

IPC: C08L23/14 ,  C08L23/06 ,  C08J5/18 ,  C08J11/06 ,  B32B27/32 ,  B32B27/08 ,  B32B7/02

CPC classification number: C08L23/142 ,  C08L23/06 ,  C08J5/18 ,  C08J11/06 ,  B32B27/32 ,  B32B27/08 ,  B32B7/02 ,  C08L2207/066 ,  C08L2205/025 ,  C08L2203/16 ,  C08L2314/06 ,  C08L2205/035 ,  C08J2323/14 ,  C08J2423/06 ,  C08J2423/12 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/7376

Abstract: Provided are multilayer polymer films comprising LLDPE, LDPE and a random propylene-ethylene copolymer which films suitable for packaging applications and are mechanically recyclable, and to recycled polymer compositions formed by mechanically recycling such films. The recycled polymer compositions may be combined with a polypropylene random copolymer and used to form further polymer films suitable for packaging applications applications.

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.