Differentially crosslinked and oriented polyethylene film
US4705714A · kind A · utility
18Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1986 |
| Grant date | Nov 10, 1987 |
| Priority date | — |
| Expiry date | Mar 6, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An oriented film is prepared by crosslinking a sheet of HDPE to provide maximum crosslinking at the surfaces of the sheet and minimum orientation at its middle layer portion, and thereafter heating and stretching the film to obtain an oriented HDPE of high clarity film of improved moisture proof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.