Process for preparing a non-woven fibrous web
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United States of America Patent
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Jan 18, 2005
Issued Date -
N/A
app pub date -
Nov 15, 2002
filing date -
Nov 2, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a process for preparing a fibrous web. The fibrous web includes a microencapsulated material, such as a microencapsulated phase change material, adhered to the web. Preferably, the web is prepared in a melt-blowing or spun-bonding process. In the melt-blowing process, cooling water containing the microcapsules is used to cool melt blown fibers prior to collection on a collector. In the spun-bonding process, microcapsules are applied in liquid suspension or in dry form to a heated web, for instance, after the web has been calendared. The fibrous webs thus prepared have numerous uses, and are particularly suited to the manufacture of clothing.
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