The invention provides a polycation composition comprising a polysaccharide chain having an amount of saccharide units ranging from 2 to 2000, at least one oligoamine directly grafted to said polysaccharide chain per each segment of 5 saccharide units, wherein said oligoamine is selected from the group consisting of a linear, branched and cyclic alkyl amine having at least two amino groups, and at least one further grafted group selected from the group consisting of a hydrophobic and an amphiphilic group directly grafted to said polysaccharide chain per each segment of 50 saccharide units, wherein said hydrophobic or amphiphilic group includes an aliphatic chain of at least 4 carbons atoms.
本发明提供了一种多阳离子组合物,其包括一个聚糖链,该聚糖链的糖单元数量在2到2000之间,每个5个糖单元的片段上至少直接嫁接有一种寡肽,其中所述的寡肽选自线性、支链和环状烷基胺,其具有至少两个
氨基团,每个50个糖单元的片段上至少直接嫁接有至少一种进一步嫁接的基团,所述进一步嫁接的基团选自疏
水性和两性亲和基团,其中所述的疏
水性或两性亲和基团包括至少4个碳原子的脂肪链。