发明名称 |
WATER ABSORBENT SHEET |
摘要 |
<p>Disclosed is a water absorbent sheet comprising an absorbent layer, which contains a water absorbent resin and an adhesive, and nonwoven fabrics which are located above and below said absorbent layer so as to hold said absorbent layer, wherein said absorbent layer has a layered structure partitioned into a primary absorbent layer and a secondary absorbent layer by an air-permeable partitioning layer, at least one of said nonwoven fabrics is a spun bond nonwoven fabric, and, between said nonwoven fabrics, at least the lower nonwoven fabric is a hydrophilic nonwoven fabric. Although the aforesaid water absorbent sheet contains an extremely small amount of pulp and has a smaller thickness than the existing water absorbent sheets, said water absorbent sheet can secure the fundamental performance required for water absorbent sheets at a high level, exert a gel-blocking effect and avoid liquid leakage. These effects of the water absorbent sheet can be achieved by using a specific nonwoven fabric and employing a hydrophilic nonwoven fabric as the nonwoven fabric that is located below the absorbent layer.</p> |
申请公布号 |
WO2011043256(A1) |
申请公布日期 |
2011.04.14 |
申请号 |
WO2010JP67225 |
申请日期 |
2010.10.01 |
申请人 |
SUMITOMO SEIKA CHEMICALS CO., LTD.;MARUO, JUNICHI;TSUNO, SYUJI;MATSUSHITA, HIDEKI;HANDA, MASAYOSHI |
发明人 |
MARUO, JUNICHI;TSUNO, SYUJI;MATSUSHITA, HIDEKI;HANDA, MASAYOSHI |
分类号 |
A61F13/15;A61F13/49;A61F13/53 |
主分类号 |
A61F13/15 |
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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