What is provided herein are new and useful surfactants characterized by having a large number of hydroxyl hydrophilic groups therein with the formula: ##STR1## where R is a long chain alkyl group, Z is O or --NH, and n=1-4.
这里提供的是一些新的有用的表面活性剂,其特点是其中含有大量的羟基亲
水基团,其
化学式为:##STR1## 其中R为长链烷基,Z为O或--NH,n为1-4。