High bio content hybrid natural oil polyols and methods therefor
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United States of America Patent
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Nov 5, 2013
Grant Date -
Mar 10, 2011
app pub date -
Nov 5, 2010
filing date -
Sep 21, 2006
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Abstract
Methods of producing a hybrid petro-plant oil polyol having a high bio-content by coupling a petro-chemical polyol with a plant oil based polyol is provided, including coupling an intermediate petro-polyol prepolymer with a plant oil polyol so as to synthesize a hybrid petro-plant oil polyol having a high bio-content and a hydroxyl number of between about 50 and 60.
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