Color shifting multilayer polymer fibers and security articles containing color shifting multilayer polymer fibers
作者： Robert L. Brott , David C. Kramlich , Daniel J. Zillig , Lynn E. Lorimor , Shandon D. Hart
DOI:
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摘要: Polymer fibers are formed with concentric alternating layers of different polymer materials. The pairs have cross-sectional thicknesses selected for reflecting light at a visible wavelength. A dimension the core is least ten times an average layers. Some articles by attaching one fiber to another: color point attachment from colors elsewhere. may be deformed change its properties elongating cross-section along first axis. In some embodiments, polarization sensitive.
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