28 January 201527 January 2015 Kansai University, Teijin develops world’s first piezoelectric fabrics for wearable devices Researchers created a flexible, transparent piezoelectric film by alternately laminating PLLA and optical isomer poly-D-lactic acid (PDLA)
6 September 2012 Teijin & Kansai University Develop New Piezoelectric Material First Binary-blended Polylactic Acid Multilayer Film with Unprecedented Piezoelectric Effect
