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Recently, researchers at Fudan University have developed a new polymer
that can change color and return to its original color within 1 second with temperature changes.
Compared to previous polymers of the same type, the new polymer is suitable for a wider temperature range and can change color
quickly even at high temperatures.
According to a recent article in Chemical World, the polymer can be used in areas such as biosensors and smart windows to regulate light or heat exchange
.
Shao Zhengzhong, chief researcher of Fudan University in Shanghai, said that the new polymer is a nanofiber that can be processed into various shapes, which can be produced by extrusion, coated with film, and molded to prepare hydrogels
.
Its base polymer is peptide side chain polybutadiyne, which is produced
by multi-step polymerization of diatylene under ultraviolet light.
Color-changing polymers are called thermochromic polymers
.
Previously developed thermochromic polymers change color slowly and only change color
in a small temperature range.
Shao Zhengzhong worked with researchers in China, the Netherlands and the United Kingdom to find better thermochromic polymers and discovered a new type of polymer
that can change color quickly at a high temperature of 198.
89 °C.
(Li Fei)
