4D printing technology uses waste sulfur to enable self-actuating soft robots

A joint research team led by Dr. Dong-Gyun Kim of the Korea Research Institute of Chemical Technology (KRICT), Professor Jeong Jae Wie of Hanyang University, and Professor Yong Seok Kim of Sejong University report the world’s first 4D printing technology based on sulfur-rich polymers that respond to heat, light, and magnetic fields. The study was published in Advanced Materials.

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