Patent ID: 7718823
Filing Date: 2010-05-18
Classification: C07C,C08K

Abstract:
1. A toluate based ester composition useful as a plasticizer, extender, or diluent in polymer formulations, said composition comprising: a mixture of esters prepared from the reaction of a methyl-p-toluate enriched stream of a Witten dimethyl terephthalate process, said methyl-p-toluate enriched stream containing in addition to methyl-p-toluate, dimethyl terephthalate, methyl-p-formyl benzoate, toluic acid and no more than 3 wt % of methyl benzoate, with ethylene glycol, diethylene glycol, triethylene glycol, or butanediol, said composition having a viscosity of less than 0.35 pascal second at 25° C.