Esterification process with calcium hydroxyaryl phosphonate-orga

Details Esterification process with calcium hydroxyaryl phosphonate-orga Esterification process with calcium hydroxyaryl phosphonate-orga

1986-10-24

1988-10-04

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260104, 556428, 560 99, 560231, 560103, 560104, 528275, 528286, 527604, 527311, C09F 104, C09F 508, C08G 6304, C08G 6338

Patent

active

047754974

ABSTRACT:
An esterification process particularly for the preparation of rosin esters, polyesters and polymeric esters wherein aliphatic or aromatic carboxylic acids are reacted with appropriate alcohols in the presence of catalytic amounts of a mixture of a calcium hydroxyaryl phosphonate and an organosilicon heterocycle, the presence of said mixture serving to reduce the time necessary for complete esterification and to provide esters with increased oxidation stability and better color.

REFERENCES:
patent: 3036043 (1962-05-01), Gruschke et al.
patent: 3053809 (1962-09-01), Linville
patent: 3546179 (1970-12-01), Koller
patent: 3842111 (1974-10-01), Meyer-Simon et al.
patent: 4008207 (1977-02-01), Omoto et al.
patent: 4116942 (1978-09-01), Weinberg et al.
patent: 4503243 (1985-03-01), Spivack et al.
patent: 4582870 (1986-04-01), Spivack et al.
patent: 4659514 (1987-04-01), Beuke

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