Polymerization catalyst

Details Polymerization catalyst Polymerization catalyst

1975-09-24

1976-11-02

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431R, 252431L, C08F 446, C08F 448, C08F 450, C08F 452

Patent

active

039896420

ABSTRACT:
A new catalyst, useful in the homo-, co- and ter-polymerization of monomers of the episulphide, vinylic, lactonic, dimethylketene and aldehyde type, is prepared by reacting a metal selected from groups IA, IIA or IIIA of the periodic system, or a hydride, alkyl or amino derivative thereof (e.g. LiBut) with a compound (e.g. ##EQU1## containing at least two groups selected from SO and SO.sub.2 and constituted by one or more repeating units represented by the formula:

REFERENCES:
patent: 3026311 (1962-03-01), Coover et al.
patent: 3609101 (1971-09-01), Niemann
patent: 3629160 (1971-12-01), Tushaus

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