申请人:Du Pont (UK) Limited
公开号:EP0442638A2
公开(公告)日:1991-08-21
A polymeric compound is derived from a polyhydric material and has pendant sulphonate groups of the general formula
and pendant alkyl urethane groups of the formula
where X is an aliphatic, aromatic, carboxylic 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一种多水材料,并具有通式如下的悬垂磺酸基团
和式中的烷基聚氨酯基团
其中,X 是脂肪族、芳香族、羧基或杂环基;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。