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US 8,802,918 B2Granted
Water-absorbent sheet composition
AssigneeSumitomo Seika Chemicals Co., Ltd.
InventorsShinya Fukudome, Junichi Maruo, Masayoshi Handa, Kiyoshi Yamaguchi
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AssigneeSumitomo Seika Chemicals Co., Ltd.
InventorsShinya Fukudome, Junichi Maruo, Masayoshi Handa, Kiyoshi Yamaguchi
Estimating the term…
A water-absorbent sheet composition containing a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with two or more sheets of hydrophilic nonwoven fabrics, wherein the water-absorbent sheet composition has a structure in which the absorbent layer is separated in divided parts of a primary absorbent layer and a secondary absorbent layer with a water-permeable substrate having a water permeability index of from 20 to 90, and wherein the water-absorbent resin is contained in the absorbent layer in an amount of from 100 to 1000 g/m2. The water-absorbent sheet composition of the present invention exhibits some excellent effects that the water-absorbent sheet composition is capable of accomplishing thinning and avoidance of gel blocking phenomenon and liquid leakage, while obtaining basic properties as a water-absorbent sheet composition at a high level, even for a water-absorbent sheet composition containing a very small amount of pulps.
A water-absorbent sheet composition, comprising a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with two or more sheets of at least one hydrophilic nonwoven fabric,
A water-absorbent sheet composition, comprising a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with two or more sheets of at least one hydrophilic nonwoven fabric,
A water-absorbent sheet composition, comprising a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with two or more sheets of at least one hydrophilic nonwoven fabric,
Dependencies are inferred from the claim text.