Process for preparing components of catalysts for polymerizing alpha-olefins and mixtures thereof with ethylene
US4294721A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1980 |
| Grant date | Oct 13, 1981 |
| Priority date | — |
| Expiry date | Mar 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing components of catalysts for the polymerization of alpha-olefins and mixtures thereof with ethylene is disclosed. The process comprises reacting a Ti compound having at least oe Ti-halogen linkage with either (1) a mixture of a hydrocarbyl electron-donor compound ED which does not contain active H atoms and an adduct (a) of a Mg dihalide with at least one hydrocarbyl electron-donor compound AH containing active H atoms, or (2) with an adduct (b) of at least a Mg dihalide with a compound AH and ED defined in (1), adducts (a) and (b) being obtained without co-grinding of the Mg dihalide with compounds AH and ED.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.