Apertured webs having permanent hydrophilicity and absorbent articles using such webs
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United States of America Patent
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Oct 8, 2002
Grant Date -
N/A
app pub date -
Jun 24, 1999
filing date -
Jun 24, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an apertured web formed from a polymeric film having permanent hydrophilicity which is suitable for use as a topsheet in an absorbent article. One embodiment of the present invention is a multi-layer polymeric film having a first layer, a second layer, and at least one intermediate layer between the first and second layers, where one of the first or second layers is a block copolymer of a polyether and another polymer and the other layer is a hydrophobic layer as defined herein. Methods of producing such webs are also disclosed. The present invention also pertains to absorbent articles which preferably include a topsheet in accordance with the present invention, a backsheet secured to the topsheet, and an absorbent core positioned between the topsheet and the backsheet.
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