Blends of polyamide, polyolefin, and ethylene vinyl alcohol copolymer
US5024897A · kind A · utility
8Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1990 |
| Grant date | Jun 18, 1991 |
| Priority date | — |
| Expiry date | May 2, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31725
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions comprising polyamides, polyolefins and ethylene vinyl alcohol copolymers useful as compatibilizers, related processes and articles made therefrom. A composition comprising from 50 to 99.4 percent by weight of a polyolefin, from 0.5 to 50 percent by weight of a polyamide, from 0.1 to 10 percent by weight of an ethylene vinyl alcohol copolymer comprising from 50 to 95 mole percent ethylene groups and from 5 to 50 mole percent vinyl alcohol groups and less than 5.0 mole percent and preferably less than 2.0 mole percent unhydrolyzed vinyl acetate groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.