Moderation of manganese chelate catalyzed polymerization of phen

Details Moderation of manganese chelate catalyzed polymerization of phen Moderation of manganese chelate catalyzed polymerization of phen

1976-12-21

1978-07-25

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528212, C08G 6544

Patent

active

041028651

ABSTRACT:
A novel process is disclosed for the moderation of the manganese chelate catalyzed oxidative coupling of a phenolic monomer. The process is based on the addition to the polymerization mixture of a quantity of a polyfunctional alkanolamine that is sufficient to retard the rate of polymerization and permit precise control of the polymerization reaction.

REFERENCES:
patent: 3825521 (1974-07-01), Izawa et al.

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