Process for the preparation of stabilized polyolefins and produc

Details Process for the preparation of stabilized polyolefins and produc Process for the preparation of stabilized polyolefins and produc

1992-12-10

1994-01-11

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524104, 524291, 524351, 524353, 526125, C08K 513, C08F 244

Patent

active

052782107

ABSTRACT:
Polyolefins stabilized against oxidation phenomena are obtained by using a process comprising the polymerization of monomers by way of a catalyst prepared by reacting an aluminum alkyl compound, and optionally an electron donor compound, with a solid component comprising a Ti compound and an electron-donor compound supported on magnesium chloride, the polymerization being carried out in the presence of one or more phenolic stabilizers and using, as electron-donor compound in the solid catalyst component, a compound selected from particular classes of ethers.

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patent: 5064878 (1991-11-01), Chatterjee
patent: 5106807 (1992-04-01), Morini et al.
patent: 5177043 (1993-01-01), Koyama et al.

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