发明名称 |
Method for producing superabsorbers with a low residual monomer content |
摘要 |
To prepare superabsorbents with a low residual monomer content, a salt of urea with an inorganic acid is added to the monomer mixture before or during the polymerization or to the polymer after the polymerization but before a heat treatment which follows the polymerization. |
申请公布号 |
US8410233(B2) |
申请公布日期 |
2013.04.02 |
申请号 |
US200913058235 |
申请日期 |
2009.08.10 |
申请人 |
ELLIOTT MARK;DANIEL THOMAS;BASF SE |
发明人 |
ELLIOTT MARK;DANIEL THOMAS |
分类号 |
C08F2/00;C08F20/02;C08F20/62 |
主分类号 |
C08F2/00 |
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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