Breathable filled film laminate
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United States of America Patent
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Apr 4, 2000
Grant Date -
N/A
app pub date -
Sep 15, 1997
filing date -
Sep 15, 1997
priority date (Note) -
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Abstract
A breathable barrier laminate is disclosed having a first film layer comprising a microporous breathable barrier film; a second film layer comprising a breathable filled film which comprises about 50% to about 70% by weight filler and an amorphous polymer such as an elastomeric ethylene polymer having a density less than 0.89 g/cm.sup.3 ; and a third fibrous layer comprising a breathable outer layer, such as a nonwoven web of spunbonded fibers. The multiple layers can be thermally laminated wherein laminate has a peel strength in excess of 200 grams and a WVTR in excess of 300 g/m.sup.2 /day.
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