发明名称 Novel cross-linked water-absorbent resin
摘要 This invention is directed to a recurring polymeric moiety of the following formula: <CHEM> wherein R is independently selected from hydrogen and C1 to C4 alkyl; Y is independently selected from O and NH; and X is independently selected from Cl, F, Br, I, NO3, HSO4 and H2PO4. Polymers of the above structure may be crosslinked by treating the polymer with a base and heating it.
申请公布号 AU658061(B2) 申请公布日期 1995.03.30
申请号 AU19930038445 申请日期 1993.05.07
申请人 HOECHST CELANESE CORPORATION 发明人 WILLIAM G-J CHIANG;JOY L. MCCRICKARD
分类号 C08F220/06;A61L15/60;C08F8/00;C08F8/08;C08F20/22;C08F20/26;C08F20/38;C08F220/04;C08F220/22;C08F220/28;C08F220/38 主分类号 C08F220/06
代理机构 代理人
主权项
地址