| 摘要 |
<p>Process comprises reaction of fatty acids or their esters or oils with a diaminic cpd. at 150-220 deg.C and a pressure of 3-250 mmHg. The reaction takes place in the presence of an inert solvent and in a reactor with a fractionation column. - A stirrer, a vacuum plant, a condensate collector and guides are also provided.</p> |
