Preparation of plasticizer esters from phthalic anhydride residu

Details Preparation of plasticizer esters from phthalic anhydride residu Preparation of plasticizer esters from phthalic anhydride residu

1994-10-18

1996-07-09

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560 99, C07C 6708

Patent

active

055346529

ABSTRACT:
A process for the formation of esters from at least one phthalic anhydride residue stream produced from the vapor phase oxidation of o-xylene, naphthalene and/or the like which comprises: (a) adding a phthalic anhydride residue stream and a mono-alcohol to a reaction vessel to form a reaction mixture; and (b) heating the reaction mixture and maintaining a pressure sufficient to obtain boiling of the reaction mixture thereby converting any acid and/or anhydride components of the phthalic anhydride residue stream to an ester.

REFERENCES:
patent: 5214157 (1993-05-01), Healy et al.
patent: 5324853 (1994-06-01), Jones et al.

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