Process for the production of oil-soluble polyol esters of dicar

Details Process for the production of oil-soluble polyol esters of dicar Process for the production of oil-soluble polyol esters of dicar

1979-06-29

1981-03-10

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

252 427, C07C 69593

Patent

active

042555892

ABSTRACT:
Oil-soluble polyol ester reaction products of C.sub.6 -C.sub.10,000 hydrocarbon substituted C.sub.4 -C.sub.10 dicarboxylic acid materials, e.g. alkenyl succinic anhydride, have been readily produced under solution reaction conditions characterized by conducting said reaction in the presence of at least a filtration suppressing insolubles reducing amount of a hydrocarbon soluble metal salt of a hydroxy aromatic compound, e.g. an alkaline earth metal alkyl phenate or naphtholate, preferably an overbased calcium sulferized phenate whereby the filtration suppressing insolubles resulting from said reaction is markedly reduced to less than 1 vol. %, the product solution haze is less than 30 nephelos and as a consequence thereof the filtration of the reaction product solution is facilitated.

REFERENCES:
patent: 3057908 (1962-10-01), Gruschke et al.
patent: 3331776 (1967-07-01), Krukziener
patent: 3381022 (1968-04-01), Le Suer
patent: 3697428 (1972-10-01), Meinhardt et al.
patent: 4119553 (1978-10-01), Cane et al.

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