Block copolymer of propylene and a process for the production thereof
US5081190A · kind A · utility
9Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Oct 17, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F297/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a block copolymer of propylene and a process for preparing the same comprising (a) polymerizing propylene or .alpha.-olefins mainly comprising propylene in the presence of a catalyst comprising a transition metal catalyst and an organometal compound; (b) copolymerizing .alpha.-olefins mainly comprising propylene and ethylene, wherein in at least one of steps (a) and (b) copolymerization is carried out with an alkenylsilane compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.