Inexpensive, easy-to-manufacture conductive papers, tissues, and nonwovens open new areas for resistively heated and disposable electronic consumer goods. The technology allows electric and electronic features previously too expensive for disposables to be built into consumer goods with lowcost, non-metallic materials. Applications include printed antennas, RFID technology as part of packaging, and disposable electronics such as single-use keypads. The material can be cut, sheeted, folded, or formed in conventional ways.
In conductive papers and nonwovens, a conductive substrate results when between 5% and 30% (by weight) carbon fiber is mixed with natural or synthetic fibers. The conductive and resistive natures of the paper or nonwoven can be varied by changing the ratios of the constituent materials.
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