申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0358400A2
公开(公告)日:1990-03-14
A polymeric compound is derived from a polyhydric material and has pendant sulphonate groups of the general formula
where X is an aliphatic, aromatic, carbocylic or heterocyclic group; Y is hydrogen, halogen or an alkyl, aryl, alkoxy, aryloxy or aralkyl group, CO₂⁻Z⁺, CO₂R or SO₃⁻Z⁺; Z⁺ is a cationic counter ion and R is hydrogen, alkyl, alkylene, aryl or aralkyl group.
一种聚合化合物来源于多水材料,并具有通式如下的悬垂磺酸基团
其中,X 是脂肪族、芳香族、羰基或杂环基;Y 是氢、卤素或烷基、芳基、烷氧基、芳氧基或芳烷基、CO₂-Z⁺、CO₂R 或 SO₃-Z⁺;Z⁺ 是阳离子反离子,R 是氢、烷基、亚烷基、芳基或芳烷基。