Method for producing olefin polymers
US4324875A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1980 |
| Grant date | Apr 13, 1982 |
| Priority date | — |
| Expiry date | May 21, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing .alpha.-olefin polymers or copolymers by the use of an improved catalyst consisting of a combination of an organoaluminum compound with a specified solid product (III) which is produced by reacting a trivalent metal halide with a divalent metal hydroxide, oxide, carbonate, or a composite compound containing the foregoing compound(s) or a hydrate of a compound containing a divalent metal; reacting the resultant solid product (I) with a transition metal compound in the presence of an electron donor to produce a solid product (II); and further reacting said solid product (II) with a halogen-containing transition metal compound and a halogen-free transition metal compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.