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    • 13. 发明申请
    • COLOUR-STABLE SUPERABSORBENT
    • 颜色稳定SUPER吸收器
    • WO2010012762A3
    • 2010-03-25
    • PCT/EP2009059793
    • 2009-07-29
    • BASF SERIEGEL ULRICHDANIEL THOMASHERFERT NORBERTELLIOTT MARK
    • RIEGEL ULRICHDANIEL THOMASHERFERT NORBERTELLIOTT MARK
    • C08J3/075A61L15/42
    • A61L15/60A61L15/42C08J3/075C08J2300/14C08L101/14
    • Superabsorbents containing a compound of formula (I) where M represents a hydrogen atom, an ammonium ion, a monovalent metal ion or one equivalent of a divalent metal ion of groups 1, 2, 8, 9, 10, 12 or 14 of the periodic table; R1 represents OH or NR4R5, where R4 and R5 independently represent H or C1-C6-alkyl; R2 represents H or an alkyl, alkenyl, cycloalkyl or aryl group which optionally has 1, 2 or 3 substituents selected independently from C1-C6-alkyl, OH, O-C1-C6-alkyl, halogen and CF3; and R3 represents COOM, SO3M, COR4, CONR4R5 or COOR4, where M, R4 and R5 are each as defined above, or, when R2 represents aryl which is optionally substituted as indicated above, also represents H, salts thereof or mixtures of such compounds and/or salts thereof display improved stability to discoloration in storage under elevated temperatures or elevated relative humidity.
    • 超吸收,含有式(I)其中M表示氢原子,铵离子,一价金属离子或一个当量组1,2,8,9,10,12或元素周期表第14的二价金属离子的化合物; R 1是OH或NR4R5,其中R4和R5独立地为H或C1-C6烷基; R2是H或烷基,烯基,环烷基或芳基,所述基团任选含有独立地选自C1-C6烷基中的1,2或3个取代基,OH,O-C 1 -C 6 - 烷基 ,卤素和CF 3; 且R 3为COOM,SO3M,COR4,CONR4R5,或COOR4,其中M,R4和R5具有或具有以上给出的含义,当R 2是芳基,如上所指出的,其是任选取代的,也代表H,它们的盐,或它们的混合物 这样的化合物和/或其盐,表现出升高的温度或高湿度下提高储存时抗变色稳定性。