Articles incorporating barrier resins
US5443867A · kind A · utility
4Cited by
20References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1993 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Oct 25, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31942
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Laminar articles are disclosed comprising a heterogeneous melt of (a) a polyolefin, (b) a barrier resin comprising a blend of a condensation polymer incompatible with the polyolefin such as a polyamide and a phenol-formaldehyde resin, and (c) a compatibilizer. A process for making such laminar articles is also disclosed. Multilayer structures incorporating this barrier resin are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.