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Angle-independent colored materials based on Christiansen effect was successfully prepared using phase-separated polymer membrane and thermotropic liquid crystal. Because this system displays angle-independent color and can act as a multi-color polymer-dispersed liquid crystal, I believe that this system may be applicable for energy-saving multi-color displays.
Novel polyester resin particles useful for toner with characteristics such as a narrow particle size distribution, a uniform and non-spherical particle shape, and high melt elasticity at high temperature with low-temperature meltability were developed. These characteristics were achieved by the application of three key technologies to the conventional dissolution suspension method, and they contribute to energy savings and high image quality for toner.
The inclusion of electrically insulating aliphatic spacers between π-conjugated segments of semiconducting polymers represents an emerging and versatile tool to control material properties. Here we review this strategy and highlight recent reports demonstrating the control over chain self-assembly, the tunability of viscosity and elasticity, and the ability to provide insights into inter- and intra-charge transport processes—without detrimental effects on the polymer semiconducting ability. While still at an early stage, this approach gives promise towards engineering optoelectronic performance, melt-processed organic electronics, and applications toward stretchable wearable semiconducting devices.
