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Printed Electronics World
Posted on December 4, 2014 by

Stretchable inks for wearable electronics

DuPont Microcircuit Materials (DuPont) has introduced a suite of stretchable electronic ink materials for use in smart clothing applications and other wearable electronics. The materials provide an elegant, manufacturing-ready alternative to many traditional methods of embedding electronics in clothing. The DuPont materials have been used to create thin, form-fitting circuits that can be seamlessly bonded with many standard fabrics, allowing for comfort and freedom in wearable electronic design. A working model of a biometric shirt that incorporates DuPont electronic inks was on display for the first time during Printed Electronics USA 2014, in Santa Clara, California.
"We believe that this new line of DuPont stretchable electronic inks can be used in wearable electronics applications to make clothing more capable and comfortable," said Michael Burrows, segment manager, DuPont Microcircuit Materials. "Imagine how smart athletic wear could help contribute to healthier, more active lifestyles by continuously monitoring vital information such as heart and breathing rates, calories burned and even stress level."
DuPont stretchable electronic inks deliver stable performance despite repeated elongation. A third party evaluation of fabrics that incorporate these DuPont materials to create thin electronic circuits have shown them to be washable, durable, and capable of withstanding up to 100 wash cycles. These DuPont materials can be used in many common manufacturing processes to produce smart clothing, including fitness and outerwear, without significant investment.
DuPont plans to offer a full material suite of conductors, encapsulants, and sensors for use in wearable electronics applications, including:
  • DuPont PE872 stretchable conductor, which is washable with encapsulation
  • DuPont PE772 stretchable, washable dielectric encapsulant
DuPont recently exhibited smart clothing prototypes that incorporate its stretchable electronic ink materials during Printed Electronics USA 2014, Nov. 19 - 20 in Santa Clara, California. DuPont also delivered a key technical presentation titled, "Printed Wearables: Functional Inks for the Wearable World," as well as taught a master class session titled, "Conductive Inks, Film and Transparent Conductive Film."
Source and top image: DuPont
Learn more at the next leading event on the topic: Printed Electronics USA 2019 External Link on 20 - 21 Nov 2019 at Santa Clara Convention Center, CA, USA hosted by IDTechEx.
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