Esterification process with calcium hydroxybenzyl...

Details Esterification process with calcium hydroxybenzyl... Esterification process with calcium hydroxybenzyl...

C - Chemistry, Metallurgy

07

C

260/126, 260/472

C07C 67/08 (2006.01) C08G 63/48 (2006.01) C09F 1/04 (2006.01)

Patent

CA 1276630

ESTERIFICATION PROCESS WITR CALCIUM HYDROXYBENZYL PHOSPHONATE CATALYST ABSTRACT OF THE DISCLOSURE An esterfication process particularly for the preparation of polyesters and polymeric esters wherein aliphatic or aromatic carboxylic acids are reacted with appropriate alcohols in the presence of catalytic amounts of calcium bis[monoethyl(3,5-di-tert-butyl-4-hydroxy- benzyl) phosphonate], the presence of said phosphonate serving to reduce the time necessary for complete esterification and to provide esters with increased oxidation stability and better color.

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