| 摘要 |
<p>One embodiment of the invention is a mthod of preparing a polyglycerol comprising polymerizing glyerol, or a mixture thereof in the presence of a calcium containing compound, such as calcium hydroxide. Preferably, the calcium containing compound is present in a catalytically effective amount. Another embodiment is a method of preparing a polyglycerol ester by esterifying a polyglycerol in the presence of a calcium containing compound.</p> |
