SUBSTANCE, IN PARTICULAR IN THE FORM OF AN INSIGNIA FOR THE DETECTION AND MONITORING OF TOXIC FLUIDS AND GASES, AND A METHOD USING SUCH SUBSTANCE

摘要

P SUBSTANCE FOR USE IN PARTICULAR TO BE USED IN THE FORM OF A TOXIC FLUID MONITORING RING FOR DETECTING AND MONITORING TOXIC FLUIDS IN CONTACT WITH SUCH SUBSTANCE CONFORMING TO MONITORING BADGE. / P P THIS SUBSTANCE IS CHARACTERIZED AS IT COMPRISES A SOLID, MICROPOROUS, TRANSPARENT, POLYMER SUBSTANCE, FORMING A MATRIX COMPRISING MICROPORES COMMUNICATING BETWEEN THEM AND FILLED WITH A LIQUID COMPOSITION, THE SAME COMPRISING A SOLVENT FOR THE TOXIC FLUID TO BE DETECTED AND A REAGENT THAT REACTS WITH THE TOXIC FLUID RESULTING FROM THE DISSOLUTION OF THE TOXIC FLUID IN THE SOLVENT PRESENT IN THE MICROPORES AND ITS REACTION WITH THE REAGENT TO PRODUCE A CHANGE OF COLOR OR APPEARANCE THROUGHOUT THE THICKNESS OF THE SUBSTANCE BY THUS ENSURING THE DETECTION AND SURVEILLANCE OF TOXIC FLUID. THE INVENTION IS ESPECIALLY INTERESTING IN THE MANUFACTURE OF SAFETY DEVICES FOR THE PREVENTION OF INTOXICITY BY INHALATION OF TOXIC PRODUCTS. / P