Method of producing oriented polyethylene film
US4590020A · kind A · utility
27Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1984 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Mar 22, 2004 |
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.