teijin.com, https://www.teijin.com/ir/library/annual_report/pdf/ar_06_all.pdf. URL consultato il 23 novembre 2018.
«MORPHOTEX, the world's first structurally colored fiber, features a stack structure with several tens of nano-order layers of polyester and nylon fibers with different refractive indexes, facilitating control of color using optical coherence tomography. Structural control means that a single fiber will always show the same colors regardless of its location.»