RAPID INTEGRITY TESTING FOR POROUS MATERIAL

RAPID INTEGRITY TESTING FOR POROUS MATERIAL

PROBLEM TO BE SOLVED: To provide an integrity testing method for evaluating porous material, that is fast, sensitive, reproducible, non-destructive, low cost and flexible, regarding the orientation of the porous material, applicable to a wide variety of signal detection means and easy to execute. SO...

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Hauptverfasser: BURKE AARON, WHEELER ROBERT, GAGNE GEORGE A JR
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator BURKE AARON
WHEELER ROBERT
GAGNE GEORGE A JR
description PROBLEM TO BE SOLVED: To provide an integrity testing method for evaluating porous material, that is fast, sensitive, reproducible, non-destructive, low cost and flexible, regarding the orientation of the porous material, applicable to a wide variety of signal detection means and easy to execute. SOLUTION: This integrity testing method includes (a) wetting the porous material with a liquid; (b) contacting a first surface of porous material with a mixture comprising a carrier and a detectable substance; (c) applying pressure to the first surface of the porous material, such that at least some of the carrier and the detectable substance permeate the porous material; (d) recirculating the carrier and detectable substance found in the porous material in a fixed volume on the permeate side, while continuing to apply the pressure of (c); and (e) assessing the concentration of the detectable substance in the permeate of the porous material with the passage of time. COPYRIGHT: (C)2008,JPO&INPIT
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title RAPID INTEGRITY TESTING FOR POROUS MATERIAL
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