Facile and fast preparation of a tung oil-based bendable transparent electrode with mechanical strength and environmental stability <i>via</i> infiltration of silver nanowires into oxygen-inhibited surface layers

Song, Fei; Zou, Xiuxiu; Yuan, Liang; Sha, Ye; Zhao, Qi; Zhang, Meng; Hu, Lihong; Zhu, Xinbao; Jia, Puyou; Jia, Puyou

doi:10.1039/d2ta02951k

Cited by 7 publications

(3 citation statements)

References 58 publications

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“…The chemical structures of the tung oil derivatives were identified by FT-IR and 1 H NMR spectroscopy, as shown in Figure 2; the C�O characteristic peak of Tung oil located at 1745 cm −1 disappeared, and new characteristic peaks at 3306 and 1661 cm −1 were attributed to the OH/NH and C�O groups. 27 In the spectrum of ETOE, the characteristic peaks at 825 cm −1 were attributed to the presence of the −C−O−C group. 28 In the 1 H NMR of TOE (Figure 2b), the peak around 3.5 ppm corresponded to the ethanolamide S1).…”

Section: Resultsmentioning

confidence: 99%

Tung Oil-Based Degradable Vitrimer for Reprocessable and Recyclable Vitrimer–MWCNT Composites with Self-Healing Ability Triggered by Multiple Stimuli

Chen,

Li,

et al. 2023

ACS Appl. Polym. Mater.

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In order to reduce the overdependence on petroleum-based products, the preparation of functional polymers with renewable resources has become a research hotspot. In this study, tung oil, extracted from tung tree seeds, was introduced to the synthesis of tung maleic anhydride (TOMA) and epoxidized tung oil ethanolamides (ETOE) via a simple modification of the conjugated double bonds and ester bonds of tung oil, and then tung oil-based vitrimers (PETVs) based on a dynamic hydroxyl ester exchange reaction were prepared with different ratios of ETOE to TOMA. Due to the presence of abundant hydroxyl esters and flexible aliphatic long chains, PETVs showed a fast and excellent self-healing performance, and their repair efficiency reached 94.7% at 160 °C for 10 min without any catalyst. In addition, PETVs exhibited excellent mechanical properties, alkali degradability, shape memory properties, and recyclability. Degradation experiments indicated that PETVs could be completely hydrolyzed to small-molecule substances in alkaline solutions. PETV/MWCNT composites (PMs) with excellent electrical and thermal conductivity exhibited rapid self-healing ability under the conditions of electrical, infrared radiation, and heating. Compared to conventional petroleum-based thermoset polymers, PETVs with the advantages of environmental friendliness and sustainability could provide a practical strategy to prepare high-performance vitrimers from renewable materials.

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Section: Resultsmentioning

confidence: 99%

Tung Oil-Based Degradable Vitrimer for Reprocessable and Recyclable Vitrimer–MWCNT Composites with Self-Healing Ability Triggered by Multiple Stimuli

Chen,

Li,

et al. 2023

ACS Appl. Polym. Mater.

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“…ET and MET composition was synthesized according to our recent study [42]. Tung oil (100.00 g, 0.11mol), ethanolamine (25.00 g, 0.41mol), and sodium methoxide (0.43g, 0.01mol) were put into a 500 mL three-necked ask and heated to 100 o C for 1 h. Then the reactants were stirred for 4 h at 60 o C, and then dichloromethane was poured into the crude product, and washed 3 times with saturated brine.…”

Section: Preparation Of Ethanolamides Of Tung Oil Fatty Chains (Et) A...mentioning

confidence: 99%

“…ET was obtained after puri cation and removing solvent. Subsequently, ET (50.00 g, 0.16 mol), methacrylic anhydride (25.00 g, 0.16 mol) and DMAP (0.18 g, 0.002 mol) were poured into a 500 mL three-necked ask and stirred at 60 o C for 12 h. 2 mL of deionized water was added to the three-necked ask and stirred for 1 h. MET composition without removing the byproduct methacrylic acid as tung oil based UVcurable prepolymer was obtained after puri cation and removing solvent [42]. Fig.…”

Section: Preparation Of Ethanolamides Of Tung Oil Fatty Chains (Et) A...mentioning

confidence: 99%

Adaptable bio-based dynamically cross-linked networks via disrupting physical cross-linking and chain entanglement for electromagnetic interference shielding materials

Chen

Jia

et al. 2023

Preprint

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Dynamically cross-linked networks combine the uniqueness of thermoplastics and thermosets to allow for reprocessability while being covalently crosslinked, but the lack of functionality seriously limits practical applications. Here, we propose a strategy to develop tung oil based dynamically cross-linked networks (PNMETs) by introducing primary amine to disrupt the physical cross-linking and chain entanglements, and achieved tunable mechanical strength and toughness, chemical stability, self-healing, solid state plasticity, and topological transformation. The constructed PNMETs based on hydrogen bonds and the dynamic imine bond exhibited multiple stimulus responses for light, heat, microwave and infrared radiation, and achieved excellent recycling and self-healing without any catalyst. By doping multiwalled carbon nanotubes (MWCNTs) and nano Fe3O4 in PNMETs, the resulted electromagnetic interference (EMI) shielding materials (PNMETs/MWCNT@Fe3O4) were fabricated and realized dual characteristics of dynamically cross-linked networks and EMI shielding material for the first time. PNMETs/MWCNT@Fe3O4 composite based on the topological rearrangement of PNMETs showed shape memory behavior, reprocessing, recycling and self-healing property under the conditions of infrared radiation and voltage, as well as exhibited EMI shielding effectiveness of 20–23 dB in the X-band with thickness less than 1 mm, meeting the standards for commercial applications. This work provides a simple but highly practical strategy for the fabrication of functional materials that integrated with dynamically cross-linked polymer and EMI shielding performance suitable for harsh environments.

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Dynamic covalently bio-based polyurethane-boron nitride nanosheet composites for effective self-healing and thermal management

Sha,

Su,

et al. 2024

Chemical Engineering Journal

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Facile and fast preparation of a tung oil-based bendable transparent electrode with mechanical strength and environmental stability via infiltration of silver nanowires into oxygen-inhibited surface layers

Abstract: A scalable one-step method to prepare BTEs via embedding AgNWs into oxygen-inhibited surface layers of tung oil-based UV-curing resin substrates.

Cited by 7 publications

References 58 publications

Tung Oil-Based Degradable Vitrimer for Reprocessable and Recyclable Vitrimer–MWCNT Composites with Self-Healing Ability Triggered by Multiple Stimuli

Tung Oil-Based Degradable Vitrimer for Reprocessable and Recyclable Vitrimer–MWCNT Composites with Self-Healing Ability Triggered by Multiple Stimuli

Adaptable bio-based dynamically cross-linked networks via disrupting physical cross-linking and chain entanglement for electromagnetic interference shielding materials

Dynamic covalently bio-based polyurethane-boron nitride nanosheet composites for effective self-healing and thermal management

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