Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbant
申请人:GROUP LYSAC INC./LYSAC GROUP INC.
公开号:US20030027787A1
公开(公告)日:2003-02-06
New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethylene glycols such as for example halogenated (Cl, Br, I), mesylated, tosylated, or triflated activated polyethylene glycols.
新的交联
多糖可以作为吸收剂或超吸
水剂单独或混合使用,通过将
多糖(最好含有
羧酸基团)与至少一种
交联剂反应而获得,所述
交联剂选自由活化的聚
乙二醇组成的群体,例如卤代(Cl、Br、I)、
甲磺酸酯化、对
甲苯磺酸酯化或三
氟甲基化的活化聚
乙二醇。