3D/4D printed versatile fibre-based wearables for embroidery, AIE-chemosensing, and unidirectional draining

Pengchao Liu; Chengshengze Chu; Wenqi Qiu; Lizi Cheng; Jialun Gu; Zhengyi Mao; Zheng Zhao; Xinyuan He; Guo Liu; Chen Peng; Kwan Man; Ben Zhong Tang; Jian Lu

doi:10.1002/agt2.521

Aggregate ›› 2024, Vol. 5 ›› Issue (3) :521 DOI: 10.1002/agt2.521

RESEARCH ARTICLE

3D/4D printed versatile fibre-based wearables for embroidery, AIE-chemosensing, and unidirectional draining

Pengchao Liu ¹^,²
, Chengshengze Chu ¹
, Wenqi Qiu ³^,⁴
, Lizi Cheng ¹
, Jialun Gu ¹
, Zhengyi Mao ¹^,⁵
, Zheng Zhao ⁸
, Xinyuan He ⁶
, Guo Liu ¹
, Chen Peng ⁷^,^†
, Kwan Man ⁴
, Ben Zhong Tang ⁸^,^†
, Jian Lu ¹^,²^,⁵^,⁹^,^†

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¹. Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, China

². CityU-Shenzhen Futian Research Institute, Shenzhen, China

³. Department of Plastic and Aesthetic Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China

⁴. Department of Surgery, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China

⁵. Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, China

⁶. Department of Chemistry, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, China

⁷. Department of Radiology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China

⁸. School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong, China

⁹. Laboratory of Nanomaterials and Nanomechanics, City University of Hong Kong, Hong Kong, China

cpengrr@tongji.edu.cn

tangbenz@cuhk.edu.cn

jian.lu@cityu.edu.hk

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Abstract

Fibre-based wearables for embroidery, chemosensing, and biofluid’s unidirectional draining with good flexibility, tunability, and designability drive technological advance. However, synthetic polymer fibres are non-degradable, threatening the environment and human health. Herein, we have developed versatile microfibrebased wearables by combining many advantages in one platform of biodegradable polylactic acid (PLA) and melt electrowriting strategy. Diverse potential applications of PLA wearables are achieved by flexibly designing their printing files, components and structures. Three-dimensional printing files are generated from two-dimensional images to fabricate ‘embroidery-like’ patterns. PLA/aggregation-induced emission fluorogens (AIE) chemosensors exhibit colorimetric and fluorescent colour changes upon exposure to amine vapours. Janus PLA-cotton textiles with a hydrophobic/ hydrophilic structure could facilitate unidirectional draining of sweats which is favourable for the management of temperature and humidity on the surface of skin. The proposed platform can not only broaden the design possibilities in 3D/4D printing but also offer wide potential applications for functional wearables.

Keywords

3D/4D printing / aggregation-induced emission / chemosensing / fibre-based wearable / polylactic acid / unidirectional draining

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Pengchao Liu, Chengshengze Chu, Wenqi Qiu, Lizi Cheng, Jialun Gu, Zhengyi Mao, Zheng Zhao, Xinyuan He, Guo Liu, Chen Peng, Kwan Man, Ben Zhong Tang, Jian Lu. 3D/4D printed versatile fibre-based wearables for embroidery, AIE-chemosensing, and unidirectional draining. Aggregate, 2024, 5(3): 521 DOI:10.1002/agt2.521