%0 Journal Article
%T Preparation of oleochemical polyols derived from soybean oil
%A A.A. Beltr¨˘n
%A L.A. Boyac¨˘
%J Latin American applied research
%D 2011
%I Scientific Electronic Library Online
%X The hydroxylation of epoxidized soybean oil was performed in a well-mixed agitated reactor under isothermal operation. Two agents for hydroxylation were evaluated using a homogeneous catalyst. The tests were positive and the best results are achieved with molar relations of alcohol to epoxide of 4:1 for ethanol (T=70ˇăC) and 6:1 for ethylene glycol (T=80ˇăC), using sulfuric acid (2 % p/p) as a catalyst. The hydroxyl numbers of the oleochemical polyols obtained are 120 and 331 mg KOH/g, with theoretical functionalities of 2 and 6 for ethanol and ethylene glycol soy-based polyols, respectively.
%K Soybean Epoxide
%K Oleochemical Polyester Polyols
%K Hydroxylation with Ethylene Glycol
%U http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-07932011000100010