DuPont prints carbon and silver inks onto stretchable film for heated garments
The new fabric is a thin lightweight and durable heating solution for outdoor clothing and is designed to be easily integrated into garments. Intexar Heat consists of a thin layer of carbon resistors, interconnected by an underlying layer of silver electrodes printed on a stretchable thermoplastic polyurethane (TPU) laminate. The silver electrodes feed currents throughout the resistor array to radiate a controlled heat within garments. Typically, the active layer is sandwiched between a plain or customized outer protective layer that shields the ink from exposure and the fabric making up the garment.
“Intexar Heat is a revolutionary stretchable ink and film that when powered, creates a comfortable warmth,” according to Michael Burrows, global business manager, DuPont Advanced Materials.
“Our team has worked hard to develop a heater that feels like fabric, doesn’t rely on cables, thick wires or big batteries, and can stand up to very cold environments.”
Formosa Taffeta Co will be the first textile manufacturer to take advantage of Intexar Heat technology as part of its Permawarm line, providing clothing brands with a complete garment heater system including the Intexar heater layer, connectors and control software.
Intexar materials also can enable biometric monitoring in smart clothing. Pulse rate, respiratory rate, muscle activity and form awareness are all measurable using sensors and conductive pathways built from Intexar, notes DuPont.
Formosa Taffeta Co. – www.ftc.com.tw
DowDuPont – www.dow-dupont.com
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