Rate-moderated group transfer polymerization

Details Rate-moderated group transfer polymerization Rate-moderated group transfer polymerization

1988-02-08

1988-12-13

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, 526217, 526262, 5263031, 5263077, 526319, 526320, 526326, 526327, 526328, 5263297, 526341, 526342, 526 89, C08F 444

Patent

active

047911816

ABSTRACT:
A polymerization process which comprises contacting at least one polar acrylic type or maleimide monomer under polymerization conditions with (i) a tetracoordinate organosilicon, organotin or organogermanium initiator having at least one initiating site, (ii) a co-catalyst which is a source of fluoride, bifluoride, cyanide or azide ions or a Lewis acid, and (iii) from 0.1 to 10% by weight, based on the weight of monomer, of acetonitrile.

REFERENCES:
patent: 4581428 (1986-04-01), Farnham et al.
patent: 4656233 (1987-04-01), Hertler et al.
Banderman et al., "Group Transfer Polymerization of Methyl Methacrylate", Polym. Preprints 27 (1), 169-170 (1986).

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