Triple-Shape-Memory Soft Actuators from an Interpenetrating Network of Hybrid Liquid Crystals

In this work, the formation of triple-shape-memory liquid crystalline-interpenetrating polymer network (LC-IPN) actuators based on a hybrid acrylate-oxetane LC mixture is reported. Orthogonal polymerization of the oxetane and acrylate liquid crystals creates polymer films with two distinct glass-tra...

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Bibliographic Details
Published inMacromolecules Vol. 54; no. 12; pp. 5410 - 5416
Main Authors Hoekstra, Davey C, Debije, Michael G, Schenning, Albert P. H. J
Format Journal Article
LanguageEnglish
Published American Chemical Society 22.06.2021
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Summary:In this work, the formation of triple-shape-memory liquid crystalline-interpenetrating polymer network (LC-IPN) actuators based on a hybrid acrylate-oxetane LC mixture is reported. Orthogonal polymerization of the oxetane and acrylate liquid crystals creates polymer films with two distinct glass-transition temperatures. The use of these two transitions for one-way triple-shape-memory actuation and two-way bending actuation with a broad temperature window for actuation is demonstrated. Our results combine shape memory polymers with liquid crystal-based soft actuators having advanced stimuli-responsive properties.
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ISSN:0024-9297
1520-5835
DOI:10.1021/acs.macromol.1c00611