| 摘要 |
<p>Water-soluble polyalkylenepolyamines which are not self-crosslinking and contain quaternary dialkylammonium groups, and which are obtained by reaction of polyalkylenepolyamines of the general formula <IMAGE> in which R denotes hydrogen or methyl, y denotes the number 0 or 1 and the y's may be identical or different and x denotes a number from 2 to 15, with bifunctional compounds of the general formula <IMAGE> in which z denotes a number from 1 to 6 and R1 and R2 denote lower alkyl or lower hydroxyalkyl, are suitable for use as auxiliaries in the manufacture of paper.</p> |
