Controlled rate adsorbent unit and method of fabrication...

Details Controlled rate adsorbent unit and method of fabrication... Controlled rate adsorbent unit and method of fabrication...

B - Operations, Transporting

01

D

183/17

B01D 53/26 (2006.01) B01D 53/04 (2006.01) B65D 81/26 (2006.01)

Patent

CA 1322178

CONTROLLED RATE ADSORBENT UNIT AND METHOD OF FABRICATION THEREOF ABSTRACT OF THE DISCLOSURE A controlled rate adsorbent unit including an adsorbent and a heat-shrunk casing of porous material having a predetermined water vapor transmission rate encasing the adsorbent for prolonging the water vapor adsorption time of the adsorbent. The controlled rate adsorbent unit may be in the shape of a recording disc or it may be in the shape of a three-dimensional solid with the heat-shrunk casing stretched tightly thereover. A method of fabricating a controlled rate adsorbent unit including the steps of providing an adsorbent material, heating the adsorbent material to dry off moisture therefrom, providing a porous material having a controlled water vapor transmission rate, sealing the adsorbent material in a casing of the porous material, heat-shrinking the porous material about the adsorbent, and storing the sealed adsorbent material in a moisture barrier package.

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