Process for preparing a non-woven fibrous web

Details Process for preparing a non-woven fibrous web Process for preparing a non-woven fibrous web

2005-01-18

2005-01-18

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S167000, C156S181000, C156S279000, C156S309900, C428S913000, C442S417000

Reexamination Certificate

active

06843871

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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