Castor oil-based waterborne polyurethane/tunicate cellulose nanocrystals nanocomposites for wearable strain sensors

In this study, tunicate cellulose nanocrystals (TCNCs) were introduced into castor oil-based waterborne polyurethane (WPU) to prepare bio-based nanocomposites through a simple solution blending method. The effect of TCNCs content on the particle size and stability of the composite dispersions, as we...

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Veröffentlicht in:Carbohydrate polymers 2023-02, Vol.302, p.120313-120313, Article 120313
Hauptverfasser: Deng, Henghui, Chen, Qian, Xie, Fei, Zhao, Caimei, Pan, Jun, Cheng, Qiaoyun, Zhang, Chaoqun
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container_end_page 120313
container_issue
container_start_page 120313
container_title Carbohydrate polymers
container_volume 302
creator Deng, Henghui
Chen, Qian
Xie, Fei
Zhao, Caimei
Pan, Jun
Cheng, Qiaoyun
Zhang, Chaoqun
description In this study, tunicate cellulose nanocrystals (TCNCs) were introduced into castor oil-based waterborne polyurethane (WPU) to prepare bio-based nanocomposites through a simple solution blending method. The effect of TCNCs content on the particle size and stability of the composite dispersions, as well as the thermophysical and mechanical properties of the composite films were studied and discussed. The unique structure and properties of TCNCs, such as high crystallinity, large aspect ratio and high modulus, not only greatly improved the storage stability of WPU, but also showed significant reinforcing/toughening effects and excellent compatibility to WPU. By drip-coating silver nanowires (AgNWs) on the surface of the composite films, the flexible strain sensors were fabricated, which showed excellent sensitivity in monitoring human movement. [Display omitted]
doi_str_mv 10.1016/j.carbpol.2022.120313
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source MEDLINE; Elsevier ScienceDirect Journals Complete
subjects Animals
Castor oil
Castor Oil - chemistry
Cellulose - chemistry
Composite films
Humans
Nanocomposites - chemistry
Nanoparticles - chemistry
Nanowires
Polyurethanes - chemistry
Silver
Strain sensors
Tunicate cellulose nanocrystals
Urochordata
Waterborne polyurethane
Wearable Electronic Devices
title Castor oil-based waterborne polyurethane/tunicate cellulose nanocrystals nanocomposites for wearable strain sensors
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