Original document(64 pages)  中文版
    The present invention provides a water absorbing agent which maintains excellent water absorbing properties for a long time, even when urine composition of human urine varies depending. A particulate water absorbing agent comprising a water-absorbing resin obtained by crosslinking polymerization of an unsaturated monomer, which exhibits Centrifuge retention capacity in a physiological saline solution of not lower than 32 g/g, mass median particle size (D50) of 200 to 400 mum, ratio of particles with diameter of smaller than 150 mum of 0 to 2% by weight, and increased extractables by deterioration of 0 to 15% by weight and extractables for one hour in deterioration test liquid of 0.1 to 30% by weight.
Application Number
申请号
200580009433 Application Date
申请日
2005.03.29
Title 名称 Particulate water absorbing agent with water-absorbing resin as main component
Publication Number
公开号
1934170 Publication Date
公开日
2007.03.21
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C08J3/12;C08J3/24;A61L15/60;C08L101/14
Applicant(s) Name
申请人
Nippon Catalytic Chem Ind
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 duanxiao ling
More information 更  多  信  息


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