发明名称 |
SUPERABSORBENT PARTICLES CONTAINING CAROXYALKYL CELLULOSE AND METHODS FOR THEIR PREPARATION |
摘要 |
Particles comprising a combination of a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer, wherein the particles comprise a plurality of non-permanent metal crosslinks. A method for making particles containing carboxyalkyl cellulose, comprising blending a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous solution; treating the aqueous solution with a crosslinking agent to provide a gel; drying the gel to provide a solid; comminuting the solid to provide a plurality of particles.
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申请公布号 |
CA2603610(A1) |
申请公布日期 |
2008.04.02 |
申请号 |
CA20072603610 |
申请日期 |
2007.09.21 |
申请人 |
WEYERHAEUSER COMPANY |
发明人 |
WEERAWARNA, S. ANANDA;MICHALEK, ALENA;LUO, MENGKUI |
分类号 |
C08L1/26;A61L15/60;C08K3/10;C08L5/00;C08L5/14 |
主分类号 |
C08L1/26 |
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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