Reduced color epoxidized esters from epoxidized natural fats and oils
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United States of America Patent
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Jul 18, 2017
Grant Date -
Apr 24, 2014
app pub date -
May 21, 2012
filing date -
Jun 27, 2011
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Abstract
Reduced color epoxidized fatty acid esters are provided which may be used as primary plasticizers for PVC, in replacement of phthalate plasticizers. The reduced color epoxidized fatty acid esters are prepared from natural fats or oils by transesterification and interesterification processes, whereby through the use of borohydride, materials having Pt—Co colors according to ASTM D1209 on the order of 50 and lower are possible.
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