Polymerization catalyst

Patent · Tue Oct 21 04:00:00 EDT 1986

OSTI ID:5016659

Graves, V

A process is described for polymerizing at least one alpha-olefin under conditions characteristic of Ziegler polymerization wherein the polymerization is conducted in the presence of a catalyst comprising: a supported catalyst prepared under anhydrous conditions by the steps of: (1) sequentially; (a) preparing a slurry of inert particulate support material; (b) adding to the slurry a solution of an organomagnesium compound; (c) adding to the slurry and reacting a solution of zirconium compound; and (2) thereafter; (d) adding to the slurry and reacting a halogenator; (e) adding to the slurry and reacting a tetravalent titanium compound; (f) recovering solid catalyst; and an organoaluminum compound.

• Assignee: Exxon Research and Engineering Co., Florham Park, NJ
• Patent Number(s): US 4618660
• OSTI ID: 5016659
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ADDITIVES
ALKALINE EARTH METAL COMPOUNDS
ALKENES
ALUMINIUM COMPOUNDS
CATALYST SUPPORTS
CATALYSTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
HALOGENATION
HALOGENS
HYDROCARBONS
MAGNESIUM COMPOUNDS
MIXTURES
NONMETALS
ORGANIC COMPOUNDS
PARTICLES
PARTICULATES
POLYMERIZATION
SLURRIES
SUSPENSIONS
SYNTHESIS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS