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 |
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代理人 |
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主权项 |
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地址 |
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