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Resin film and materials developed for stretchable electronics

Panasonic has developed a soft, flexible, and stretchable polymer resin film using its proprietary stretchable resin technology. The Company will also provide a transparent electrode material and conductive paste along with this insulating film.

This insulating film material is claimed to stretch to 2.5 times its original length and then returns to its original shape, a feature that is said to be hard to find in conventional flexible materials. It adapts to desired manners of folding and to varying free-form surfaces, reducing existing design constraints. For example, it is said to enable the construction of soft and stretchable electronic devices that are adaptable to a variety of forms.

Using a stretchable resin as a base material, Panasonic has also developed a transparent electrode material and conductive paste that remain conductive even after repeated cycles of stretch and restore. The transparent electrode material comprises a thin conductive layer of carbon nanotubes formed on the base material of stretchable resin. The conductive paste was produced by combining the stretchable resin, used as a binder, with silver filler.

The newly developed material is claimed to be deployable in a range of applications, from wearable devices to sensors, displays, and robots.

Tom Austin-Morgan

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