| 摘要 |
A process for preparing an etherified polyoxyalkylene derivative of the formula <CHEM> wherein R<1> and R<4> are identical or different and are each independently C1-C20 alkyl, C3-C5 alkenyl, C6-C20 aryl, C6-C20 alkyl aryl, C6-C20 cycloalkyl, and mixtures thereof, R<2> and R<3> are identical or different and independent of each other are H, CH3, CH3CH2, and mixtures thereof, m, m min and n are identical or different and are each greater than or equal to zero, with the proviso that m + m min + n is from 3 to 300; by reacting a polyoxyalkylene compound of the formula |
