Use of a swellable plastic and process for making a resistive moisture sensor
AssigneesE + E Elektronik Gesellschaft m.b.H., Lenzing Aktiengesellschaft
InventorsHelmut Mitter, Walter Scharizer, Herbert Sollradl, Norbert Rossak
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Abstract
A process is disclosed for producing a swellable plastic resistive moisture sensor comprising dispersing an additive selected from the group consisting of carbon in powder, dust or soot form, carbon black, graphite, a metal in powder or dust form, and mixtures thereof, into a plastic comprising a polyimide or a copolyimide or both formed from diisocyanate and dianhydride reactants.
Claims10
A process for producing a swellable plastic resistive moisture sensor comprising dispersing an additive selected from the group consisting of carbon in a powder, dust or soot physical state, carbon black, graphite, a metal in a powder or dust physical state, and mixtures thereof, into a plastic comprising a polyimide or a copolyimide or both formed from diisocyanate and dianhydride reactants.
Dependencies are inferred from the claim text.