Toyobo Co Ltd developed a functional film-like material for cloths capable of measuring biological information by using its own conductive material.
The film-like materiall, "Cocomi," is used for electrodes and electric wires of sensors that measure the biological information of the wearer and realize both natural comfort and high-accuracy measurement.
The film-like material material has the following characteristics. It features a high stretchability and can be stretched to roughly double length. It is as thin as about 0.3mm, and its conductive layer has a high conductivity. It can be easily attached to a cloth by thermo-compression bonding.
When the new film-like material material is attached to clothes, it realizes natural comfort similar to the comfort of normal clothes because it is thin, does not cause a height difference at the part connecting electrodes and electric wires and is flexible enough to cope with body movements. According to Toyobo, human skin can be stretched to 1.7 times its original length. So, the stretchability of 100% is higher than that.
Also, because of its high conductivity, the film-like material material enables to collect high-accuracy biological information such as weak myocardial electric signals. Moreover, with the "sensory measurement technology," it can optimize the positions of electrodes and further improve accuracy.
Toyobo plans to apply the new material and clothes capable of measuring biological information to sportswear and use them for medical purposes. And the Toyobo group intends to offer total solutions including wearable clothes.
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