发明名称 |
WATER ABSORBING AGENT AND PRODUCTION METHOD THEREOF |
摘要 |
A water absorbing agent includes water absorbent resin particles which are obtained by polymerizing a water-soluble ethylenic unsaturated monomer and which internally include a cross-linked structure, wherein a pressurized void average radius index is 140 or more. As a result, it is possible to provide a water absorbing agent which essentially includes water absorbent resin particles and is suitable for use in a sanitary material. Specifically, it is possible to improve not only a performance for absorbing and retaining aqueous liquid without pressure or under pressure but also (i) a performance for quickly absorbing aqueous liquid with a great help of a performance of a fibrous material, (ii) a performance for dispersing the aqueous liquid after absorbing the aqueous liquid, and (iii) a performance for retaining the aqueous liquid after absorbing the aqueous liquid. |
申请公布号 |
EP2057229(A4) |
申请公布日期 |
2010.05.26 |
申请号 |
EP20070806896 |
申请日期 |
2007.08.31 |
申请人 |
NIPPON SHOKUBAI CO., LTD. |
发明人 |
IKEUCHI, HIROYUKI;SAKAMOTO, SHIGERU;MACHIDA, SAYAKA;WADA, KATSUYUKI |
分类号 |
C08L33/02;A61L15/60;B01J20/26;C08F220/00;C08J3/24 |
主分类号 |
C08L33/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|