HEATING SHEETS WITH RESISTOR AUTOMATICALLY TEMPERATURE-CONTROLLED BY POSITIVE TEMPERATURE COEFFICIENT (PTC) EFFECT AND USES THEREOF

摘要

The invention concerns a heating sheet comprising at least a conductive polymer layer with resistor automatically temperature-controlled by PTC effect placed between at least two electrically conductive surfaces and its use in building and construction, undersea energy transport, human and animal health care, food industry or process control industry.