US 11,753,533 B2
Polyethylene composition and film having outstanding properties
XiaoChuan Wang, Calgary (CA); Peter Zoricak, Calgary (CA); Brian Molloy, Airdrie (CA); Qinyan Wang, Calgary (CA); Lawrence VanAsseldonk, Samia (CA); and Norman Aubee, Okotoks (CA)
Assigned to NOVA Chemicals (International) S.A., Fribourg (CH)
Filed on Dec. 16, 2021, as Appl. No. 17/553,358.
Application 17/553,358 is a continuation of application No. 16/507,477, filed on Jul. 10, 2019, granted, now 11,352,485.
Claims priority of application No. CA 3011031 (CA), filed on Jul. 11, 2018.
Prior Publication US 2022/0106467 A1, Apr. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08L 23/06 (2006.01); C08L 23/08 (2006.01)
CPC C08L 23/06 (2013.01) [C08L 23/08 (2013.01); C08L 2203/16 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01)] 20 Claims
1. A polyethylene composition which when made into a film layer having a thickness of about 1 mil exhibits a machine direction (MD) 1% secant modulus of ≥200 MPa and oxygen transmission rate (OTR) of ≥600 cm3 per 100 inch2 per day, and when made into a film layer having a thickness of about 2 mil exhibits a seal initiation temperature (SIT) of ≤85° C., and an area of hot tack window (AHTW) of ≥220 Newtons·° C.