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has been cited by the following article:

• TITLE: Stretchable Strain Sensors Fabricated by Screen Printing of Silver Paste on the Surface Modified Transparent Elastomeric Polyurethane Films

  AUTHORS: Chang Gyu Lee, Bo Seok Kwon, Hyun Min Nam, Duck Min Seo, Jinwoo Park, Hyuc Hwangbo, Lee Soon Park, Su Yong Nam

  KEYWORDS: Stretchable Strain Sensor, Screen Printing, Silver Paste

  JOURNAL NAME: Materials Sciences and Applications, Vol.9 No.13, December 14, 2018

  ABSTRACT: Strain sensors for human-motion detection must offer high stretchability, high sensitivity, fast response, and high recovery speed. In this study, we choose silver paste as a sensing material and use a screen printing method to fabricate the strain sensor based upon an electrical-resistance mechanism. After curing elastomeric polyurethane film with a thickness of 150 μm on PET film, the polyester resin mixed with blocked isocyanate curing agent was coated as a masking layer to reduce the film’s stickiness. The effect of the polyester masking layer upon the silver paste screen printing process was examined using a rolling-ball-tack test, TGA analysis of polyester resins, and cured silver-electrode films. The cost-effective strain sensor fabricated by using silver paste and screen printing processes on the stretchable-polyurethane-substrate film showed high sensitivity and fast response in a strain range of up to 100%.