申请人:Council of Scientific and Industrial Research
公开号:US20150148554A1
公开(公告)日:2015-05-28
The invention discloses an improved process for preparing fatty acid esters with 100 mol % selectivity suitable as biodegradable lubricant base oils, comprising contacting a fatty compound with an alcohol in presence of a solid, phosphonate catalyst having molecular formula: M(X)2-nYn.mH2O where X refers to phenyl phosphonate, Y refers to HPO42− or HPO32−, M refers to a metal or metalloid ion preferably taken from the group consisting of Zr, Zn, Cd, Al, Sn, La and Ce, the value of n varies from 0.2 to 1.8 and the value of m varies from 0 to 5, wherein the fatty compound is a fatty acid or fatty acid methyl or ethyl ester or vegetable oil or animal fat or their mixture thereof and alcohol is a monohydric alcohol with 6 to 22 carbon atoms or a polyol with at least two hydroxyl groups.
该发明揭示了一种改进的制备脂肪酸酯的工艺,其具有100%选择性,适用作为可生物降解的润滑油基础油,包括在固体、膦酸酯催化剂的存在下,将脂肪化合物与醇接触,所述膦酸酯催化剂具有分子式:M(X)2-nYn.mH2O,其中X代表苯基膦酸酯,Y代表HPO42-或HPO32-,M代表金属或金属元素离子,优选取自Zr、Zn、Cd、Al、Sn、La和Ce组成的金属或金属元素离子,n的值在0.2到1.8之间变化,m的值在0到5之间变化,其中脂肪化合物是脂肪酸或脂肪酸甲基或乙基酯或植物油或动物脂肪或它们的混合物,醇是具有6到22个碳原子的一元醇或至少具有两个羟基的多元醇。