| 发明名称 |
TREATMENT OF ABSORBENT SANITARY PAPER PRODUCTS |
| 摘要 |
<p>A method for the treatment of a super absorbent polymer (SAP) to inhibit, prevent or reverse its swelling in aqueous media comprises treating the SAP with an aqueous solution of a mixture of a water-soluble compound of an alkali or alkaline earth metal with a water-soluble compound of at least one of aluminum, copper (II), iron (III) and zinc, said solution having a pH in the range of 3-8.</p> |
| 申请公布号 |
EP0558512(B1) |
申请公布日期 |
1997.01.08 |
| 申请号 |
EP19910918532 |
申请日期 |
1991.10.29 |
| 申请人 |
KNOWASTE TECHNOLOGIES INC. |
发明人 |
CONWAY, MARLENE, ELIZABETH;JOOSTE, FRANCOIS;SMITH, MICHAEL, DAVID |
| 分类号 |
C08J11/04;D21B1/02;D21B1/32;D21C5/02;(IPC1-7):D21C5/02;A61L15/00 |
主分类号 |
C08J11/04 |
| 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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