Polyethylene composition and film having high stiffness, outstanding sealability and high permeability
US12344730B2 · kind B2 · utility
0Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2022 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Dec 1, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyethylene composition which when made into a film layer having a thickness of about 1 mil has a machine direction (MD) 1% secant modulus of ≥200 MPa and an 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 has a seal initiation temperature (SIT) of ≤90° C. and an area of hot tack window (AHTW) of ≥160 Newtons·° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.