Polymerization catalyst, production and use
A process is described for the polymerization of ethylene and alpha-olefins having from 1 to 20 carbon atoms or mixtures of ethylene, alpha-olefins and diolefins. The process comprises polymerizing in the presence of a catalyst system comprising (a) an organo aluminum compounds of the formula AIR''/sub n/X''/sub 3-n/ wherein R'' is hydrogen or a hydrocarbyl group having from 1 to 20 carbon atoms, X is halogen and n is a number from 1 to 3, and (b) a transition metal containing catalyst component comprising the solid reaction product obtained by treating an inert solid support material in an inert solvent. This is done sequentially with (A) an organometallic compound of a Group IIa, IIb, or IIIa metal wherein all the metal valencies are satisfied with a hydrocarbon group, optionally (B) an oxygen containing compound selected from ketones, aldehydes, alcohols, siloxanes or mixtures thereof, (C) at least one transition metal compound of a Group IVb, Vb, VIb or VIII metal, and (D) a group IIIa metal hydrocarbyl dihalide.
- Assignee:
- Exxon Research and Engineering Co., Florham Park, NJ
- Patent Number(s):
- US 4634748
- OSTI ID:
- 7122071
- Country of Publication:
- United States
- Language:
- English
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Polymerization catalyst, production and use
Polymerization catalyst, production and use
Related Subjects
400201* -- Chemical & Physicochemical Properties
ALCOHOLS
ALDEHYDES
ALKENES
ALUMINIUM COMPOUNDS
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
ETHYLENE
HALOGENS
HYDROCARBONS
HYDROGEN
HYDROXY COMPOUNDS
KETONES
METALS
MIXTURES
NONMETALS
ORGANIC COMPOUNDS
ORGANOMETALLIC COMPOUNDS
OXYGEN COMPOUNDS
POLYMERIZATION
QUANTITY RATIO
SOLVENTS
SYNTHESIS
TRANSITION ELEMENTS