Propylene polymer composition
US5567759A · kind A · utility
4Cited by
5References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 21, 1995 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | Apr 21, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Propylene polymer compositions of the present invention comprising a specific propylene block copolymer, specific ethylene-propylene copolymer rubber, specific ethylene-propylene-diene copolymer rubber, specific ethylene-butene-1 copolymer rubber, and talc in specific proportions are provided. The propylene polymer compositions of the invention are capable of providing therefrom molded products excellent in balance between stiffness and impact resistance, and having high surface hardness with excellent scratch resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.