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

2007-11-27

2007-11-27

Aftergut, Jeff H. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S167000, C156S181000, C156S279000, C264S131000, C442S417000, C428S913000

Reexamination Certificate

active

11036726

ABSTRACT:
Disclosed is a fibrous web which 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.

REFERENCES:
patent: 4552811 (1985-11-01), Brown et al.
patent: 4990368 (1991-02-01), Johnson et al.
patent: 5149468 (1992-09-01), Hershelman
patent: 5435376 (1995-07-01), Hart et al.
patent: 5720832 (1998-02-01), Minto et al.
patent: 6228492 (2001-05-01), Kinlen et al.

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