Preparation of elastic composite structures useful for components of disposable hygiene products and articles of apparel
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United States of America Patent
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Jul 21, 2015
Grant Date -
Jul 21, 2011
app pub date -
Aug 5, 2009
filing date -
Aug 6, 2008
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Abstract
Disclosed herein are articles and processes for making elastic composite structures which can be used as or converted into a component of disposable hygiene products or articles of apparel. At least one relatively inelastic substrate, for example a nonwoven substrate, is adhesively bonded with a hot melt adhesive to a certain selected type of elongated polyurethane material in the form of a film or one or more fibers or filaments. The elongated polyurethane material is then allowed to relax which provides an elastic composite structure which is gathered or puckered.
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