Stretchable adhesive nonwoven fabric and laminate containing the same
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United States of America Patent
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Aug 6, 2002
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N/A
app pub date -
Jul 19, 2000
filing date -
Jan 28, 1998
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Abstract
The present invention is directed to a stretchable adhesive nonwoven prepared by laminating continuous filaments made of a thermoplastic polyurethane resin, which comprises an aliphatic diisocyanate and/or an aromatic diisocyanate, a polymeric diol and a chain-extending agent and has a hardness (JIS-A hardness) of 65 to 98 degree and a flow initiating temperature within a range from 80 to 150.degree. C., into a sheet, and fusion-bonding the filaments themselves with their own heat at the contact point of the laminated filaments thereby to form fibers, and a laminate containing the same. The adhesive nonwoven fabric of the present invention is rich in flexibility and is excellent in adhesion and air permeability.
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