Aluminium compounds for producing vinylic polymers

Details Aluminium compounds for producing vinylic polymers Aluminium compounds for producing vinylic polymers

2005-03-15

2005-03-15

Cheung, William K. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S237000, C526S226000, C526S317100

Reexamination Certificate

active

06867272

ABSTRACT:
An enolate functionalized reaction intermediate of general formula (I), wherein X is an alkyl group; Z is selected from the group consisting of alkyl, hydrogen, halogen, alkoxy, thiol, aryloxy or ester; n is an integer and is at least one; Y is alkyl or H; the tetradentate ligand around the Al is optionally substituted. Also claimed is a process for the preparation of the enolate functionalized reaction intermediate and its reaction with a vinylic monomer and a Lewis acid to produce the corresponding vinylic polymer.

REFERENCES:
patent: 6649711 (2003-11-01), Cameron et al.

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