Coating processes – Foraminous product produced – Microporous coating
Patent
1995-06-07
1998-12-08
Cameron, Erma
Coating processes
Foraminous product produced
Microporous coating
427358, 427365, 427369, 4273899, 427392, B05D 500
Patent
active
058466045
ABSTRACT:
Products and methods for controlling the porosity and permeation of a web are provided using a curable thixotropic shear thinnable polymer composition that preferably encapsulates a plurality of fibers of the web and/or forms an internal layer within the web. Webs suitable for several different uses are featured, for example medical garments resistant to permeation by a virus or bacteria. The effective pore size of the web is controlled by regulating various factors such as the thickness of the polymer composition encapsulating the fibers and the thickness and placement of the internal polymer layer. Other factors include the polymer density, structure, and crosslinking orientation, as well as the diffusion, permeation and sorption of the polymer.
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Cameron Erma
Nextec Applications Inc.
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