| 摘要 |
1. Reaction products obtained by reacting boric acid, diethanolamine and a monoethanolamine of the formula R-NH-CH2 CHXOH, in which R denotes hydrogen or C1 -C10 -alkyl and X=H or CH2 , in a molar ratio of 1:0.5:2.5 or 1:2.5:0.5 at temperatures from 70 to 130 degrees C. |
