Multilayered sheets having excellent adhesion
US4939009A · kind A · utility
40Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1989 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Feb 27, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed are multilayered sheets or films which have excellent adhesion. The sheets or film comprise a layer of copolyesterether or copolyester bonded to a layer of polyolefin by means of a tie layer of a copolymer of ethylene and at least one other unsaturated monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.