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    BI-DIRECTIONALLY ORIENTED MULTILAYER FILM
    9.
    发明申请
    BI-DIRECTIONALLY ORIENTED MULTILAYER FILM 审中-公开

    公开(公告)号：WO2021239501A1

    公开(公告)日：2021-12-02

    申请号：PCT/EP2021/063060

    申请日：2021-05-18

    Applicant: SABIC GLOBAL TECHOLOGIES B.V.

    Inventor： GERRITS, Niclasina Siberta Johanna Alberdina ,  SCALA, Attilio

    IPC: B32B3/26 ,  B32B7/02 ,  B32B27/08 ,  B32B27/20 ,  B32B27/32 ,  B29C55/18 ,  B29C55/005 ,  B29C55/143 ,  B29C55/16 ,  B29D7/01 ,  B29K2023/0625 ,  B29K2023/065 ,  B29L2031/712 ,  B32B2250/03 ,  B32B2250/05 ,  B32B2250/242 ,  B32B2264/02 ,  B32B2264/104 ,  B32B2307/31 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/7242 ,  B32B2307/7246 ,  B32B2439/70 ,  B32B27/205

    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 • the inner layer system comprises ≥ 50.0 wt% with regard to the total weight of the inner layer system of a first ethylene-based polymer being a high-density polyethylene (HDPE) having a density of ≥ 940 and ≤ 970 kg/m3, preferably of ≥ 960 and ≤ 970 kg/m3, as determined in accordance with ASTM D792 (2008); and • 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 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; 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 having 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.

    ABSORBENT PAPER LAMINATE AND FOOD CONTAINER MADE THEREOF
    10.
    发明申请
    ABSORBENT PAPER LAMINATE AND FOOD CONTAINER MADE THEREOF 审中-公开

    公开(公告)号：WO2021202901A1

    公开(公告)日：2021-10-07

    申请号：PCT/US2021/025418

    申请日：2021-04-01

    Applicant: P34E, LLC

    Inventor： FARRELL, Bradley ,  MARLIN, Charles E.

    IPC: A61F13/534 ,  B32B1/02 ,  B32B2307/726 ,  B32B2307/7265 ,  B32B2439/70 ,  B32B29/005 ,  B32B3/266 ,  B32B7/12 ,  B65D65/40 ,  B65D81/264

    Abstract: An absorbent paper laminate, having an absorbent paper layer, a nonabsorbent high-density paper layer and an adhesive applied in a layer between the absorbent and nonabsorbent layers forming a laminate. The laminate has a surface which is provided with an array of perforations formed by needle punctures or a series of slits sized to allow steam to pass therethrough while retaining grease and oil in the absorbent paper layer. The preferred adhesive layer is selectively in a cellular pattern. A paper board food container can be formed having an absorbent paper laminate body defining a cavity for receiving a food item and absorb grease and oil. Optionally an exterior surface of the container is sized to be held in the hands of a user having an exterior surface with a second absorbent layer that can act as a napkin absorbing grease and oil from the hands of the user.

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