Process for the manufacture of salts of poly-alpha-hydroxyacryli

Details Process for the manufacture of salts of poly-alpha-hydroxyacryli Process for the manufacture of salts of poly-alpha-hydroxyacryli

1975-04-23

1976-11-30

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5917

Patent

active

039949699

ABSTRACT:
A process is provided for the manufacture of salts of poly-alpha-hydroxyacrylic acids, which salts contain monomeric units of the formula ##EQU1## wherein R.sub.1 and R.sub.2 independently represent hydrogen or an alkyl group containing 1 to 3 carbon atoms and wherein M represents a cationic radical resulting from the dissociation of a base. A solid polylactone derived from the corresponding poly-alpha-hydroxyacrylic acid is reacted with the base in the presence of water and the reaction is carried out in a liquid medium containing a diluent so that the polyacetone and the salt produced do not dissolve in the medium.

REFERENCES:
patent: 3706672 (1972-12-01), Martin

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