Oriented polyethylene film
US5145728A · kind A · utility
24Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Jun 12, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2495
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An oriented polyethylene film with an excellent moistureproofness and optical property is provided in which the degree of crosslinking is uniform or decreases inwardly across the thickness of the film, and which consists of a composition comprising (A) 50 to 90% by weight of polyethylene with a density of at least 0.935 g/cm.sup.3 and a high load melt index to melt index ratio of at most 100 and (B) 50 to 10% by weight of a petroleum resin or linear low density polyethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.