Graft polymers of functionalized ethylene-alpha-olefin copolymer with polypropylene, methods of preparation, and use in polypropylene compositions
US4999403A · kind A · utility
36Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1988 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Oct 28, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Graft polymer comprising functionalized ethylene-alpha-olefin copolymer having polypropylene grafted thereto through one or more functional linkages, the process for making the graft polymer comprising combining the functionalized ethylene-alpha-olefin with maleated polypropylene, the use of the graft polymer for improving the impact properties of polypropylene compositions, and improved polypropylene blends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.