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公开(公告)号：US12104026B2
公开(公告)日：2024-10-01
申请号：US17639073
申请日：2020-08-28
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: C08J5/18 , B32B27/08 , B32B27/32 , B32B2307/518 , B32B2439/70 , C08J2323/06
Abstract: The present invention relates to a package comprising a bi-directionally oriented polyethylene film, wherein the bi-directionally oriented film comprises a polymer having moieties derived from ethylene and moieties derived from 1-hexene, wherein the polymer has: (a) a density of ≥910 and ≤930 kg/m3, preferably ≥916 and ≤925 kg/m3, as determined in accordance with ASTM D792 (2008); (b) a melt mass-flow rate of ≥0.2, preferably ≥0.5 or ≥0.6, and ≤5.0 g/10 min, as determined in accordance with ASTM D1238 (2013) at a temperature of 190° C. under a load of 2.16 kg; (c) a fraction that is eluted in analytical temperature rising elution fractionation (a-TREF) at a temperature ≤30.0° C. of ≥8.0 wt %, preferably ≥11.0 wt %, with regard to the total weight of the polymer; and (d) a fraction eluted in a-TREF at a temperature >94.0° C. of ≥20.0 wt %, with regard to the total weight of the polymer; and preferably (e) a fraction eluted in a-TREF at a temperature >30.0° C. and ≤94.0° C. of ≥40.0 and ≤64.0 wt %, with regard to the total weight of the polymer; wherein the package is a bag or pouch containing at least one seal obtained by thermal sealing of two layers of the polyethylene film. Such package allows for handling, in particular opening, in a controlled way such that when a tear is introduced to open the package, that tear can be introduced in a controlled line.
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公开(公告)号：US20240173907A1
公开(公告)日：2024-05-30
申请号：US18284990
申请日：2022-04-01
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: B29C48/21 , B29C48/0018 , B29C48/91 , B29C48/911 , B29C2948/92647 , B29C2948/92685 , B29C2948/92695 , B29K2023/0625 , B29K2023/065
Abstract: A multilayer film includes an inner layer system having a first surface and a second surface; a first layer bound to the inner layer system at the first surface of the inner layer system; and a second layer comprising a first surface and a second surface, wherein the second layer is with its first surface bound to the inner layer system at the second surface of the inner layer system; a coating layer bound to the second layer at the second surface of the second layer; wherein the inner layer system consists of a polymer formulation (A) comprising: ≥10.0 and ≤90.0 wt % of a first ethylene-based polymer being LLDPE-A; and ≥10.0 and ≤90.0 wt % of HDPE having a density of ≥940 and ≤970 kg/m3; the first layer contains a polymer formulation (B) including LLDPE-A, the second layer contains a polymer formulation (C) including a modified polyethylene; and the coating layer includes a polyurethane; wherein the multilayer film is a bi-directionally oriented film, and the orientation in both directions is introduced in the solid state. Such multilayer film exhibits reduced oxygen transmission rates and/or water vapour transmission rates.
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公开(公告)号：US20220298317A1
公开(公告)日：2022-09-22
申请号：US17639073
申请日：2020-08-28
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Abstract: The present invention relates to a package comprising a bi-directionally oriented polyethylene film, wherein the bi-directionally oriented film comprises a polymer having moieties derived from ethylene and moieties derived from 1-hexene, wherein the polymer has: (a) a density of ≥910 and ≤930 kg/m3, preferably ≥916 and ≤925 kg/m3, as determined in accordance with ASTM D792 (2008); (b) a melt mass-flow rate of ≥0.2, preferably ≥0.5 or ≥0.6, and ≤5.0 g/10 min, as determined in accordance with ASTM D1238 (2013) at a temperature of 190° C. under a load of 2.16 kg; (c) a fraction that is eluted in analytical temperature rising elution fractionation (a-TREF) at a temperature ≤30.0° C. of ≥8.0 wt %, preferably ≥11.0 wt %, with regard to the total weight of the polymer; and (d) a fraction eluted in a-TREF at a temperature >94.0° C. of ≥20.0 wt %, with regard to the total weight of the polymer; and preferably (e) a fraction eluted in a-TREF at a temperature >30.0° C. and ≤94.0° C. of ≥40.0 and ≤64.0 wt %, with regard to the total weight of the polymer; wherein the package is a bag or pouch containing at least one seal obtained by thermal sealing of two layers of the polyethylene film. Such package allows for handling, in particular opening, in a controlled way such that when a tear is introduced to open the package, that tear can be introduced in a controlled line.
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公开(公告)号：US11225062B2
公开(公告)日：2022-01-18
申请号：US16622956
申请日：2018-06-19
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lucio Baccaro , Attilio Scala
Abstract: The present invention relates to a multi-layer film comprising at least three layers, with two outer layers, and one core layer, wherein: the core layer comprises an ethylene copolymer comprising 1-octene and having a density between >0.910 g/cm3 and 0.925 g/cm3, wherein further the first outer layer comprises an ethylene homopolymer having a density of between >0.915 g/cm3 and 0.930 g/cm3, wherein further the second outer layer comprises and optional first ethylene copolymer and a second ethylene copolymer having a density of between 0.850 g/cm3 and
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公开(公告)号：US20240083148A1
公开(公告)日：2024-03-14
申请号：US17767592
申请日：2020-10-09
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Franciscus Petrus Hermanus Schreurs , Niclasina Siberta Johanna Alberdina Gerrits , Bart Albertus Hubertus van den Esschert , Attilio Scala , Lucio Baccaro
CPC classification number: B32B27/08 , B32B27/32 , B65D65/40 , B32B2250/242 , B32B2307/31 , B32B2307/516 , B32B2307/518 , B32B2307/54 , B32B2307/542 , B32B2307/558 , B32B2307/581 , B32B2307/5825 , B32B2307/72 , B32B2307/7376 , B32B2307/75 , B32B2439/46 , B32B2439/70
Abstract: Package for storing frozen matter, preferably food products, comprising a laminated film, wherein the laminated film comprises at least a first layer and a second layer, wherein: the first layer is a bi-directionally oriented polyethylene film layer; and the second layer is a second polyethylene film layer; wherein the package comprises ≥90.0 wt % of polyethylene with regard to the total weight of the laminated film. Such package demonstrates a desirably high impact strength at temperatures below 0° C., such as at −25° C., and presents a mono-material solution allowing suitable further processing of the package via recycling technologies.
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Patent Agency Ranking
公开(公告)号：US20230271407A1
公开(公告)日：2023-08-31
申请号：US18015995
申请日：2021-07-13
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: B32B27/08 , B32B27/32 , B32B27/18 , B32B38/04 , B32B2250/242 , B32B2307/518 , B32B2307/7376 , B32B2439/70 , B32B2307/414 , B32B2307/406 , B32B2307/734 , B32B2309/02 , B32B2323/04
Abstract: The present invention relates to a multilayer film comprising: • an inner layer system comprising a first surface and a second surface; • a first skin layer bound to the inner layer system at the first surface of the inner layer system; and • a second skin layer bound to the inner layer system at the second surface of the inner layer system; wherein • at least one or both of the first or the second skin layer(s) is a sealing layer comprising a second ethylene-based polymer being a linear low-density polyethylene (LLDPE) comprising polymeric moieties derived from ethylene and from 1-hexene or 1-octene, having a density of ≥890 and ≤915 kg/m3, preferably of ≥900 and ≤915 kg/m3, as determined in accordance with ASTM D792 (2008), preferably wherein the sealing layer comprises ≥70.0 wt % of the second ethylene-based polymer or wherein the sealing layer consists of the second ethylene-based polymer; and/or • at least one or both of the first or the second skin layer(s) comprises ≥50.0 wt %, preferably ≥75.0 wt %, with regard to the total weight of the layer, of a third ethylene-based polymer being a medium-density polyethylene (MDPE) having a density of ≥930 and ≤940 kg/m3, as determined in accordance with ASTM D792 (2008); and • the inner layer system comprises ≥50.0 wt %, preferably ≥75.0 wt %, with regard to the total weight of the inner layer system, of a first ethylene-based polymer being a medium-density polyethylene (MDPE) having a density of ≥930 and ≤940 kg/m3, as determined in accordance with ASTM D792 (2008); wherein the multilayer film is a bi-directionally oriented film wherein the orientation in both directions is introduced in the solid state. Such film allows for the production of a sealed package having a sufficiently high sealing strength at reduced sealing temperatures, also referred to as the seal initiation temperature, whilst also allowing for production of mono-material matte films.
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公开(公告)号：US20230182454A1
公开(公告)日：2023-06-15
申请号：US17924754
申请日：2021-05-18
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: B32B27/08 , B32B27/32 , B32B27/205 , B32B2307/518 , B32B2270/00 , B32B2250/242 , B32B2307/746 , B32B2307/414 , B32B2307/72 , B32B2307/54 , B32B2307/31 , B32B2307/732 , B32B2439/40 , B32B2250/03 , B32B2264/104 , B29K2023/0625
Abstract: A multilayer film includes an inner layer system having a first surface and a second surface; a first skin layer bound to the inner layer system at the first surface of the inner layer system; and a second skin layer bound to the inner layer system at the second surface of the inner layer system. The inner layer system contains ≥50.0 wt % of a first ethylene-based polymer being a high-density polyethylene having a density of ≥940 and ≤970 kg/m3; and one or both of the first or the second skin layer(s) is a sealing layer including a second ethylene-based polymer being a linear low-density polyethylene comprising polymeric moieties derived from ethylene and from 1-hexene or 1-octene, having a density of ≥890 and ≤915 kg/m3. The multilayer film is a bi-directionally oriented film, wherein the orientation in both directions is introduced in the solid state.
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公开(公告)号：US20190291395A1
公开(公告)日：2019-09-26
申请号：US16346587
申请日：2017-11-08
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lucio Baccaro , Attilio Scala , Estelle Julie Mathilde Poulet , Bart Van Den Esschert
Abstract: The present invention concerns a multi-layer film for cling film applications comprising at least three layers, with two outer layers, at least one core layer, preferably exactly one core layer, wherein at least one or both outer layer(s) comprise(s) between 73 wt. % and 99.5 wt. % or between 73 wt. % and
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公开(公告)号：US20240239087A1
公开(公告)日：2024-07-18
申请号：US18014792
申请日：2021-06-23
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: B32B27/08 , B32B27/205 , B32B27/32 , B32B37/156 , B32B38/1875 , B32B2038/0028 , B32B2250/242 , B32B2307/518 , B32B2323/043 , B32B2323/046 , B32B2439/70
Abstract: A multilayer film includes: an inner layer system having a first surface and a second surface; and a first skin layer and a second skin layer bound to the inner layer system at the first and second surfaces respectively. The inner layer system consists of a polymer formulation (A) containing: ≥60.0 and ≤90.0 wt % of a linear low-density polyethylene A; and ≥10.0 and ≤40.0 wt % of a high-density polyethylene having a density of ≥940 and ≤970 kg/m3; and at least one of the first or the second skin layer(s) is a sealing layer comprising a linear low-density polyethylene B comprising polymeric moieties derived from ethylene and 1-octene/1-hexene, having a density of ≥890 and ≤915 kg/m3.
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公开(公告)号：US20230347621A1
公开(公告)日：2023-11-02
申请号：US17791337
申请日：2020-12-29
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
CPC classification number: B32B7/03 , B32B27/08 , B32B27/32 , B32B38/0012 , B32B37/06 , B32B37/153 , B32B2307/72 , B32B2307/7376 , B32B2250/03 , B32B2439/70 , B32B2038/0028 , B32B2038/0068
Abstract: The present invention relates to a film comprising one or more layers, wherein at least one layer consists of a polymer formulation (A) comprising:
(c) ≥60.0 and ≤90.0 wt % of a linear low-density polyethylene; and
(d) ≥10.0 and ≤40.0 wt % of a high-density polyethylene
with regard to the total weight of that layer of the film,
wherein the film is a bi-directionally oriented film wherein the orientation is introduced in the solid state. Such film has improved tensile properties, such as demonstrated by improved tensile modulus in both machine direction as well as in transverse direction, and improved tensile strength, also in both machine direction and in transverse direction. Such film also has desirable optical properties and impact properties, and has good thermal resilience. Furthermore, by that components (a) and (b) are both polymers of the polyethylene family, the film has good recyclability properties.
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