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Weldable and Reprocessable Biomimetic Polymer Networks Based on a Hydrogen Bonding and Dynamic Covalent Thiourea Motif AITranslate

Dong Soo Lee; YongSeok Choi; Jae Hyuk Hwang; JinHyeong Lee; Woohwa Lee; Sukkyun Ahn; Sungmin Park; JungHyun Lee; Yong Seok Kim; DongGyun Kim
Korea University; Korea Institute of Science and Technology; Seoul National University; Pusan National University; Korea Research Institute of Chemical Technology; Pusan National University; Korea Research Institute of Chemical Technology; Korea University; University of Science and Technology; University of Science and Technology
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Publisher: ACS
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Abstract AITranslate

Here we describe the use of thiourea linkage as a hydrogen (H) bonding and dynamic covalent dual-functional motif to enhance mechanical versatility in biomimetic polymer networks (BMPNs). By controlling the dynamic thiourea bond exchanges in the covalently cross-linked BMPNs, greatly improved malleability and reprocessability are obtained while maintaining their assorted mechanical characteristics of stiffness, strength, toughness, resilience, and adaptability. Such characteristics enable versatile shape manipulation and mechanical functions of the BMPN-based 3D structures, including shape reconfiguration, welding, shape memory, load bearing, deformation/recovery, repair, and reprocessing.

KeyWords AITranslate

covalent adaptable networks biomimetic polymer networks thiourea dynamic covalent bond hydrogen (H) bond
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.1c00667

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Citation Information:

Here we describe the use of thiourea linkage as a hydrogen (H) bonding and dynamic covalent dual-functional motif to enhance mechanical versatility in biomimetic polymer networks (BMPNs). By controlling the dynamic thiourea bond exchanges in the covalently cross-linked BMPNs, greatly improved malleability and reprocessability are obtained while maintaining their assorted mechanical characteristics of stiffness, strength, toughness, resilience, and adaptability. Such characteristics enable versatile shape manipulation and mechanical functions of the BMPN-based 3D structures, including shape reconfiguration, welding, shape memory, load bearing, deformation/recovery, repair, and reprocessing.

quote

GB/T 7714-2015 [1] Dong Soo Lee, YongSeok Choi, Jae Hyuk Hwang, et al. ACS Applied Polymer Materials, 2021(3). DOI:10.1021/acsapm.1c00667.
MLA [1] Dong Soo Lee, et al., ACS Applied Polymer Materials, no. 3, 2021, https://doi.org/10.1021/acsapm.1c00667.
APA [1] Dong Soo Lee, YongSeok Choi, Jae Hyuk Hwang, JinHyeong Lee, Woohwa Lee, Sukkyun Ahn, Sungmin Park, JungHyun Lee, Yong Seok Kim, & DongGyun Kim. (2021). ACS Applied Polymer Materials(3). https://doi.org/10.1021/acsapm.1c00667
IEEE [1] Dong Soo Lee, YongSeok Choi, Jae Hyuk Hwang, JinHyeong Lee, Woohwa Lee, Sukkyun Ahn, Sungmin Park, JungHyun Lee, Yong Seok Kim, and DongGyun Kim, ACS Applied Polymer Materials, no. 3, 2021, doi: 10.1021/acsapm.1c00667. keywords: {covalent adaptable networks;biomimetic polymer networks;thiourea;dynamic covalent bond;hydrogen (H) bond}