Impact modifier for thermoplastic polyolefins
US6391977B1 · kind B1 · utility
3Cited by
7References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 12, 1998 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jun 12, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a composition of a blend of an ethylene/propylene random copolymer and a low to very low density ethylene/C4 to C20-&agr;-olefin random copolymer and its use as an impact modifier for polyolefin compositions. The invention further relates to polyolefin compositions, particularly polypropylene compositions, comprising said impact modifier composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.