Films based on polyamides and on polyolefins
US6051649A · kind A · utility
6Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1997 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Jan 30, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2377/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to films made of compositions comprising: PA1 at least one polyamide (A), PA1 at least one polymer (B) comprising polyamide blocks and polyether blocks, PA1 at least one polyolefin (C), and PA1 at least one functionalized polyolefin (D); such that the impact strength (Dart Test) is greater than that of a film containing the same proportions of (A), (C) and (D) but not containing (B).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.