Monomers and initiators for group transfer polymerization

Details Monomers and initiators for group transfer polymerization Monomers and initiators for group transfer polymerization

1987-01-27

1989-02-21

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526194, 526279, 528 9, 528 10, 5253306, 525342, C08F 444

Patent

active

048066052

ABSTRACT:
A Group Transfer Polymerization process comprising contacting under polymerizing conditions at least one acrylic monomer with (i) a tetracoordinate organosilicon, organotin or organogermanium polymerization initiator having at least one initiating site and (ii) a co-catalyst which is a source of fluoride, bifluoride, cyanide or azide ions or a suitable Lewis acid, Lewis base or selected (bi)-oxyanion, said process further characterized in that the monomer comprises a selected polyenoate and/or the initiator comprises a selected polyenolate, to produce an internally and/or terminally unsaturated "living" polymer.

REFERENCES:
patent: 4414372 (1983-11-01), Farnham et al.
patent: 4417034 (1983-11-01), Webster
patent: 4508880 (1985-04-01), Webster
patent: 4524196 (1985-06-01), Farnham et al.
patent: 4581428 (1986-04-01), Farnham et al.
patent: 4588795 (1986-05-01), Dicker et al.
patent: 4598161 (1986-07-01), Farnham et al.
patent: 4605716 (1986-08-01), Hertler
patent: 4622372 (1986-11-01), Dicker et al.
J. Amer. Chem. Socl, 105, 5706 (1983), Webster, et al.

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