发明名称 |
PARTICULATE WATER-ABSORBING AGENT HAVING WATER-ABSORBING RESIN AS MAIN COMPONENT |
摘要 |
A water-absorbing goods having excellent absorption performance in practical use is to be provided at low price. A particulate water-absorbing agent provided by one aspect of the present invention is a particulate water-absorbing agent comprising a polyacrylate salt-type water-absorbing resin as a main component, and satisfying the following (a) and (b): (a) absorption capacity without load in artificial urine (A) is equal to or higher than 60 g/g; and (b) an increase rate of absorption capacity without load in artificial urine (B) relative to artificial urine (A) is equal to or larger than 20%. In addition, a particulate water-absorbing agent provided by another aspect of the present invention is a particulate water-absorbing agent comprising a polyacrylate salt-type water-absorbing resin as a main component, and satisfying the following (c) and (d): (c) absorption capacity without load in artificial urine (A) is equal to or higher than 60 g/g; and (d) weight average molecular weight (Mw) of the main chain of the water-absorbing resin is equal to or higher than 1,000,000 and molecular weight distribution (Mw/Mn) thereof is equal to or smaller than 3.3.
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申请公布号 |
US2010120940(A1) |
申请公布日期 |
2010.05.13 |
申请号 |
US20080593764 |
申请日期 |
2008.04.04 |
申请人 |
NIPPON SHOKUBAI CO., LTD. |
发明人 |
ADACHI YOSHIFUMI;TAHARA RYOKO;WADA KATSUYUKI |
分类号 |
B01J20/26;B32B5/16;C08F20/10 |
主分类号 |
B01J20/26 |
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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