发明名称 |
Absorbent article |
摘要 |
The present invention addresses the problem of, in an absorbent article, maintaining at a certain level or lower the difference between the dry flexural rigidity and wet flexural rigidity [(dry flexural rigidity)−(wet flexural rigidity)] at a bonding part. To solve this problem, provided is a sanitary napkin which comprises a top sheet, a back sheet, an absorbent body that is interposed between the top sheet and the back sheet and a compressed part that unites the top sheet and the absorbent body in the thickness direction, wherein: the absorbent body contains a cellulose-based water absorbing fiber and a thermoplastic resin fiber, said thermoplastic resin fiber containing as a monomer component an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride or a mixture thereof; and the difference between the dry Gurley stiffness and wet Gurley stiffness of the compressed part is maintained at 2.5 mN/12.5 mm or lower. |
申请公布号 |
US9492333(B2) |
申请公布日期 |
2016.11.15 |
申请号 |
US201314430447 |
申请日期 |
2013.08.19 |
申请人 |
UNICHARM CORPORATION |
发明人 |
Uda Masashi;Maruyama Takashi |
分类号 |
A61F13/15;A61F13/534;A61F13/475;A61F13/539;A61F13/511;A61F13/51;A61F13/513;A61F13/53 |
主分类号 |
A61F13/15 |
代理机构 |
Hauptman Ham, LLP |
代理人 |
Hauptman Ham, LLP |
主权项 |
1. An absorbent article comprising:
a liquid-permeable layer, a liquid-impermeable layer, an absorbent body provided between the liquid-permeable layer and the liquid-impermeable layer, and a joining section that joins the liquid-permeable layer and the absorbent body, wherein the absorbent body contains, as constituent fibers, cellulose-based water-absorbent fibers, and
hydrophobic thermoplastic resin fibers that include an unsaturated carboxylic acid, an unsaturated carboxylic anhydride or a mixture thereof as the monomer component, the difference between the dry Gurley bending resistance and the wet Gurley bending resistance of the joining section is 2.5 mN/12.5 mm or less, the joining section dry bonding strength of the joining section is 1.53 to 7.65 N/25 mm, and the joining section wet bonding strength of the joining section is 0.95 to 4.34 N/25 mm. |
地址 |
Ehime JP |