| 摘要 |
The present invention relates to the use of a polysaccharide having a cationic degree of substitution (DS) of more than 0.2 to 1.0 and a molecular weight average over 30 000 000 Dalton as a fixative in making of paper or paperboard, to the process for making paper or paperboard and to paper or paperboard as produced by the process. |
