Production of polyol esters having reduced color content

Details Production of polyol esters having reduced color content Production of polyol esters having reduced color content

C - Chemistry, Metallurgy

07

C

260/483, 260/233

C07C 67/03 (2006.01) C07C 69/58 (2006.01) C07H 13/06 (2006.01)

Patent

CA 1321388

PRODUCTION OF POLYOL POLYESTERS HAVING REDUCED COLOR CONTENT ABSTRACT OF THE DISCLOSURE Polyol polyesters having reduced color content are prepared by base-catalyzed transesterification of lower (i,e., C1-C3) alkyl fatty esters having a carbonyl content of less than about 200 ppm with polyols. The esters can be prepared by a pretreatment com- prising distilling the said alkyl fatty esters (in a liquid state), preferably with a base, and discarding both the top cut in an amount that is about 5% or less and at least about 2% of the still bottoms.

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