Flexible wearable sensors for artificial intelligence and health monitoring are developing from basic research to industrialization. 3D printing has the advantages of not being restricted by the geometric structure of parts and rapid manufacturing. It has application prospects in wearable sensors, but how to meet smart wear Various mechanical properties and sensor performance requirements in applications are still challenging. Functional Nanostructure Design and Assembly of Chinese Academy of Sciences/Fujian Key Laboratory of Nanomaterials, Wu Lixin's research group synthesized a hydrolyzable crosslinking agent based on reversible covalent bonds. Adding this crosslinking agent to 3D printing photosensitive resin can improve printing Resolution, the printed mold can be dissolved in hot water. The polyurethane/carbon nanotube composite material is poured into a mold, and the mold is removed in hot water to obtain sensors with various porous structures. The sensors have the characteristics of high stretch and high resilience. Researchers combined with the designability of 3D printing shapes to prepare porous finger covers and insoles to detect human movement. Related research results were published on Advanced Functional Materials. PhD student Peng Shuqiang was the first author of the paper, and senior engineers Weng Zixiang and Wu Lixin were the corresponding authors of the paper. In 2020, the research group has achieved a number of results in light-curing 3D printing materials, including core-shell particles-based high-strength and high-toughness 3D printing resins, biodegradable 3D printing resins, and joint research and development with the Xu Ying research group of Fujian Institute of Physics The high-strength, high-hardness and high-temperature resistant cyanate ester 3D printing resin.
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New progress has been made in the research of light-curing 3D printing by Fujian Institute of Physics