Process for preparing components of catalysts for polymerizing a

Details Process for preparing components of catalysts for polymerizing a Process for preparing components of catalysts for polymerizing a

1980-03-28

1981-10-13

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526125, C08F 464

Patent

active

042947219

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.

REFERENCES:
patent: 3642746 (1972-02-01), Kashiwa et al.
patent: 4143223 (1979-03-01), Toyota et al.

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