A process for making an improved current limiting composition comprising mixing an epoxy thermosetting resin containing more than one 1,2 epoxy groups per molecule with an acid anhydride curing agent, an epoxy reactive diluent, first and second co-accelerators and conductive additive particles to form...http://www.google.es/patents/US6375867?utm_source=gb-gplus-sharePatente US6375867 - Process for making a positive temperature coefficient conductive polymer from a thermosetting epoxy resin and conductive fillers
Process for making a positive temperature coefficient conductive polymer ...
