Polyethylene extrusion coating compositions
US4359553A · kind A · utility
52Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1981 |
| Grant date | Nov 16, 1982 |
| Priority date | — |
| Expiry date | Sep 14, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to novel low density polyethylene containing blends useful as extrusion coating compositions which provide coatings having good coatability and a broad heat seal range. These coated substrates then can be used in fabricating bags and other packaging applications. These coatings contain a blend of low density polyethylene and a degraded crystalline polypropylene or propylene containing copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.