Affiliation:
1. Key Laboratory of Synthetic and Nature Molecule of Ministry of Education Shaanxi Key Laboratory for Carbon Neutral Technology Department of Chemistry & Materials Science Northwest University Xi'an 710127 P. R. China
Abstract
AbstractIntelligent actuating materials have drawn enormous attention because of their potential applications in soft robots, smart sensors, bionics, etc. Aiming to integrate light, thermal, and humidity stimuli deformations and self‐healing function into a single polymer, a smart actuating polyurethane material CPPU‐50 is designed and successfully synthesized through co‐polymerization of azobenzene‐containing Azo‐C12, polyethylene glycol 200 (PEG200), and 4,4'‐diphenylmethane diisocyanate (MDI) at a ratio of 1:1:2. The obtained polyurethane CPPU‐50 exhibits good photoinduced bending, thermal responsive shape memory effect, humidity triggered deflections and self‐healing properties. Furthermore, an actuator combining light and thermal stimuli is created and the self‐healing CPPU‐50 film can withstand the object of 1800 times without tearing. This work can pave a way for further development of long‐lived multi‐stimuli‐responsive actuating devices and intelligent materials.
Funder
National Natural Science Foundation of China
Subject
Materials Chemistry,Polymers and Plastics,Organic Chemistry
Cited by
9 articles.
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