Multilayer films and methods thereof
US11123953B2 · kind B2 · utility
1Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2016 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Feb 14, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2597/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Embodiments disclosed herein include multilayer films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefin elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises a low density polyethylene (LDPE) having a density of from 0.915 to 0.930 g/cc, a melt index, I2, of from 1.0 to 30.0 g/10 min, and a molecular weight distribution, (Mw/Mn), as measured by the conventional calibration of triple detector gel permeation chromatography, of from 3.0 to less than 7.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.