发明名称 |
METHOD FOR PRODUCING WATER-ABSORBENT POLYMER PARTICLES BY THE POLYMERISATION OF DROPLETS OF A MONOMER SOLUTION |
摘要 |
A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase, said monomer solution comprising at least one azo compound and at least one persulfate, the resulting polymer particles having a water content of at least 5% by weight, and being aftertreated thermally at a temperature of at least 100° C. for at least 5 minutes. |
申请公布号 |
EP2115013(A1) |
申请公布日期 |
2009.11.11 |
申请号 |
EP20080708640 |
申请日期 |
2008.02.04 |
申请人 |
BASF SE |
发明人 |
LOESCH, DENNIS;KRUEGER, MARCO;BLEI, STEFAN;WEISMANTEL, MATTHIAS;HEIDE, WILFRIED |
分类号 |
C08F2/00;A61L15/60;C08F2/10;C08F2/16;C08F2/18;C08F6/00 |
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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