Preparation of lactone polyesters

Details Preparation of lactone polyesters Preparation of lactone polyesters

1973-04-06

1978-01-31

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

560179, C08G 6310

Patent

active

040715078

ABSTRACT:
An improved process for polymerization of lactones or mixtures of lactones in the presence of an initiator and a catalyst is disclosed wherein the initiator is an organic compound having at least one non-cyclic ester group and having no reactive hydrogen substituents. A polyester having blocked end groups is produced.

REFERENCES:
patent: 2890208 (1954-06-01), Young et al.
patent: 3021314 (1962-02-01), Cox et al.
patent: 3021316 (1962-02-01), Cox et al.
patent: 3169945 (1965-02-01), Hostettler et al.
patent: 3498957 (1970-03-01), Jacobson

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