Absorbent article and production process therefor
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
May 21, 1998
filing date -
Jun 13, 1997
priority date (Note) -
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Abstract
The invention clarifies absorption properties of a water-absorbent resin as needed in the case where the ratio by weight of the water-absorbent resin to the total of the water-absorbent resin and the fibrous material is '.alpha.,' and further the invention provides an absorbent article using a water-absorbent resin which is optimal to the ratio by weight '.alpha.' of the water-absorbent resin. A water-absorbent resin, having a concentration absorption index of 35 or more as shown by the following equation (1): A(1-.alpha.)+B.alpha. (1) wherein A (g/g) is an absorption capacity of the resin under no load, and B (g/g) is an absorption capacity of the resin under a load, is used as the water-absorbent resin as used for the absorbent article of at least 0.4 in the ratio by weight '.alpha.' of the water-absorbent resin to the total of the water-absorbent resin and the fibrous material.
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