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Title:
LAMINATE STRUCTURES AND FLEXIBLE PACKAGING MATERIALS INCORPORATING SAME
Document Type and Number:
WIPO Patent Application WO/2020/133156
Kind Code:
A1
Abstract:
Embodiments of the present disclosure are directed to laminates comprising a uniaxially oriented first multilayer film comprising ethylene-based polymer, wherein the uniaxially oriented first multilayer film has a ratio of percent elongation at break in the cross direction to percent elongation at break in the machine direction of at least 2 to 1; a biaxially oriented second multilayer film adhered to the uniaxially oriented first multilayer film and comprising an ethylene-based polymer, wherein the biaxially oriented second multilayer film has a ratio of percent elongation at break in the machine direction to percent elongation at break in the cross direction of at least 2 to 1; and a third film adhered to the biaxially oriented second multilayer film such that the biaxially oriented second multilayer film is disposed between the uniaxially oriented first multilayer film and the third film, wherein the third film comprises an ethylene-based polymer.

Inventors:
SANDKUEHLER PETER HERMANN ROLAND (CH)
GALATIK THOMAS (CH)
BUSTILLO LUIS GERARDO ZALAMEA (CH)
XU JINGYI (CN)
LIAO GUIHONG (CN)
Application Number:
PCT/CN2018/124682
Publication Date:
July 02, 2020
Filing Date:
December 28, 2018
Export Citation:
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Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
SANDKUEHLER PETER HERMANN ROLAND (CH)
GALATIK THOMAS (CH)
BUSTILLO LUIS GERARDO ZALAMEA (CH)
XU JINGYI (CN)
LIAO GUIHONG (CN)
International Classes:
B32B27/32; B32B7/10
Domestic Patent References:
WO2017207221A12017-12-07
Foreign References:
US20090035594A12009-02-05
EP0697281A11996-02-21
EP0685331A11995-12-06
US4599392A1986-07-08
US5272236A1993-12-21
US5278272A1994-01-11
US5582923A1996-12-10
US5733155A1998-03-31
US3645992A1972-02-29
US4076698A1978-02-28
US3914342A1975-10-21
US5854045A1998-12-29
US5977251A1999-11-02
Other References:
See also references of EP 3902674A4
Attorney, Agent or Firm:
WU, FENG & ZHANG (CN)
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