Heterophasic propylene copolymer and process for its preparation
US6342564B1 · kind B1 · utility
54Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2000 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | Mar 27, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A hetrophasic polypropylene copolymer having a tensile modulus of 420 Mpa or less comprising: i) a semi-crystalline propylene:ethylene: and optionally other &agr;-olefin polymer matrix; ii) an elastomeric propylene:ethylene and optionally other &agr;-olefin copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.