Hydroformed composite material and method for making same
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United States of America Patent
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Oct 31, 2017
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N/A
app pub date -
Aug 26, 2016
filing date -
Jun 10, 2016
priority date (Note) -
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Abstract
A hydroformed composite material includes an expanded spun bonded nonwoven layer having a loft of at least about 1.3 times greater than an original loft of an original unexpanded spun bonded nonwoven web from which the expanded spun bonded nonwoven layer was created, and an air permeability of at least about 1.2 times greater than an original air permeability of the original unexpanded spun bonded nonwoven web. The hydroformed composite material includes a formed film layer that includes a plurality of extended cells containing continuous fibers and/or fibrils of the expanded spun bonded nonwoven layer.
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