ArticleChemical science2026
Reprogrammable 3D-printed liquid crystal elastomers
Weiwei Liu, Jiajia Li, Xiaofeng Pan, Chenmin Wanyan, Zhe Yuan, Na Li, Cyrille Boyer, Jian Zhu
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In one paragraphArticle in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Weiwei LiuState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.
Jiajia LiState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.ORCID https://orcid.org/0000-0002-1929-4921 Xiaofeng PanState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.
Chenmin WanyanState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.
Zhe YuanState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.
Na LiState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.
Cyrille BoyerCluster for Advanced Macromolecular Design (CAMD), Australian Centre for NanoMedicine, School of Chemical Engineering, University of New South Wales Sydney NSW 2052 Australia.ORCID https://orcid.org/0000-0002-4564-4702 Jian ZhuState Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China chemjjli@suda.edu.cn chemlina@suda.edu.cn cboyer@unsw.edu.au.ORCID https://orcid.org/0000-0002-2704-7656 Funding
No grant is acknowledged in the PubMed record.
6 · The paper itselfAbstract
Reprogrammable liquid crystal elastomers (LCEs) are promising stimuli-responsive materials for soft actuators; however, their integration with digital light processing (DLP) 3D printing is often limited by a lack of dynamic chemistries compatible with radical photopolymerization. Herein, we introduce UV-triggered reversible addition-fragmentation chain-transfer (RAFT) polymerization as a robust solution for spatially selective programming, erasing, and reprogramming of mesogen alignment in printed LCE networks. The resulting networks achieve high-performance actuation (up to 60% strain) and maintain stability over repeated thermal cycles. Beyond actuation, the presence of residual thiocarbonylthio moieties allows for precise surface functionalization after printing. Because RAFT polymerization is inherently versatile, we demonstrate that various macro-RAFT agents can be integrated to tune the material's mechanical properties and actuation characteristics. Ultimately, this RAFT-based platform provides a broadly compatible dynamic platform for reprogrammable LCEs, advancing the manufacturing of multifunctional soft robotic systems.
Identifiers
PMID42812692
PMCPMC13621403
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