Novel dual dynamic boronate ester bond regulated bio-based polymer with rapid self-healing and multiple recyclability

Wang, Xiao; Chen, Lin; Xu, Chi; Fan, Bifeng; Lin, Zhidan; Li, Wei; Zhang, Peng

doi:10.1016/j.indcrop.2022.115855

Cited by 17 publications

(5 citation statements)

References 36 publications

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“…e) Ashby plot of self‐healing time, self‐healing temperature, and self‐healing efficiency of PLMBE1.2‐180 °C and other bio‐based elastomers reported in the literature. [ 36,40,44,64–73 ] f) Reprocessing of PLMBE elastomers. g) Stress‐strain curve of PLMBE1.2‐180 °C after secondary processing.…”

Section: Resultsmentioning

confidence: 99%

“…Bio-based TENG (Bio-TENG), a single-electrode tribogenerator, is composed of a friction layer (PLMBE), an electrode layer (PLMBE/MWCNTs), and copper wires (Figure 5a). Importantly, Bio-TENG is prepared by exploiting the self-healing interface [36,40,44,[64][65][66][67][68][69][70][71][72][73] f) Reprocessing of PLMBE elastomers. g) Stress-strain curve of PLMBE1.2-180 °C after secondary processing.…”

Section: Low-temperature Self-healing Triboelectric Nanogeneratorsmentioning

confidence: 99%

“…Figure 4. a) PLMBE1.2-180 °C can bend and twist flexibly after being placed at −10 °C for 5 h. Stress-strain curves of PLMBE1.2-180 °C with different self-healing times at b) 25 °C, c) −10 °C, d) −10 °C (10% NaCl). e) Ashby plot of self-healing time, self-healing temperature, and self-healing efficiency of PLMBE1.2-180 °C and other bio-based elastomers reported in the literature [36,40,44,[64][65][66][67][68][69][70][71][72][73]. f) Reprocessing of PLMBE elastomers.…”

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confidence: 99%

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Bio‐Based and Recyclable Self‐Healing Elastomer for the Application of Self‐Powered Triboelectric Nanogenerator in Low‐Temperature

Wang,

Yin,

et al. 2023

Adv Funct Materials

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The cracks in flexible triboelectric nanogenerators (TENG) cannot naturally repair themselves during low‐temperature operation, which significantly restricts their practical applications. Yet, the development of elastomers capable of self‐repair at low temperatures has remained a formidable challenge. In this study, a dual dynamic cross‐linking network using multiple hydrogen bonds and β‐hydroxy esters is constructed to fabricate a fully bio‐based elastomer known as PLMBE. This elastomer can be stretched up to an impressive 1200% of its original length and possesses a remarkable autonomous self‐healing capability even under harsh conditions, including low temperatures (−10 °C, 12 h, with a 75% efficiency rate) and exposure to supercooled, high‐concentration saline (10% NaCl solution at −10 °C, 12 h, with a 64% efficiency rate). These remarkable properties are attributed to the elastomer's low glass transition temperature (Tg) of −30 °C and the abundance of hydrogen‐bonded supramolecular interactions. Importantly, this elastomer is highly suitable as a triboelectric layer for creating bio‐based TENG (Bio‐TENG) . These results demonstrate that Bio‐TENG can achieve an impressive output power density of 2.4 W m−2, and the output voltage recovers up to 95% after self‐healing at −10 °C. Consequently, these bio‐based elastomers have promising applications in various fields, including energy storage devices.

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Section: Resultsmentioning

confidence: 99%

Section: Low-temperature Self-healing Triboelectric Nanogeneratorsmentioning

confidence: 99%

mentioning

confidence: 99%

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Bio‐Based and Recyclable Self‐Healing Elastomer for the Application of Self‐Powered Triboelectric Nanogenerator in Low‐Temperature

Wang,

Yin,

et al. 2023

Adv Funct Materials

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“…Self-Healing Performance: The self-healing characterization was described in previous work. [26] Specifically, the rectangular sample films (length × width × height = 30 mm × 10 mm × 2 mm) were cut into two sections, then the sections were put together. After the original and cut samples were treated at the same temperature and time, the tensile-strain behaviors of which were measured.…”

Section: The Structure and Basic Performancementioning

confidence: 99%

Synergistic Antimicrobial Glycyrrhizic Acid‐Based Functional Biosensing Composite for Sensitive Glucose Monitoring and Collaborative Wound Healing

Wang,

Huo,

Zhong

et al. 2024

Adv Healthcare Materials

Self Cite

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High glucose blood and bacterial infection remain major issues for the slow healing of diabetic wounds, so developing functional biosensing composite with excellent antibacterial and remarkable glucose response sensitivity is necessary and prospective. Herein, by in situ synthesis AgNPs on the surface of self‐prepared PTIGA elastomers, PTIGA‐AgNPs conductive composites were obtained with efficient synergistic antibacterial effect, excellent mechanical, and self‐healing properties. The strain of the composites could reach 1800%, and its self‐healing efficiency exceeded 90% at 60 °C within 8 hours. Both elastomers and composites represented excellent biocompatibility and the antibacterial rate against E coli and S aureus exceeded 90%. Moreover, the biosensor assembled from the conductive composites exhibited excellent glucose response sensitivity and stability, with a sensitivity coefficient (SC) of 0.518 mA mM−1 in the range of 0.2‐3.6 mM glucose concentration, as well as a low detection limit (DL) of 0.08 mM. Furthermore, based on the remarkable antibacterial performance and bioactivity derived from GA, the composites reduced the expression of pro‐inflammatory factors and promoted the production of anti‐inflammatory factors, and effectively promoted the regeneration of skin and granulation tissue of wounds in a diabetic full‐thickness skin defect model, demonstrating the enormous therapeutic potential in diabetic wound healing.This article is protected by copyright. All rights reserved

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“…The tunable and reversible nature of non-covalent interactions leads to the superior properties of supramolecular hydrogels, such as stimuli-responsiveness [32][33][34] and self-healing [35,36].Stimuli-responsive hydrogel systems based on dynamic bond linkages have been studied by many researchers [14,37,38]. However, these hydrogel systems generally require complex functional group synthesis [37] and modification processes [38], and the size of the prepared hydrogel films are generally in the centimeter range with slow responses to stimuli [14,38,39], which makes it difficult to achieve rapid sensing applications. In this study, we prepared multiple responsive hydrogels constructed using dynamic bonds as crosslinks via the adoption of layer-by-layer assembly, which is a simple but versatile approach, and using hydrogel films with thicknesses on sub-micrometer or micrometer scale, which is two orders of magnitude thinner than the films used in ordinary hydrogel sensors, and can be facilely fabricated.…”

Section: Introductionmentioning

confidence: 99%

Multiple Responsive Hydrogel Films Based on Dynamic Phenylboronate Bond Linkages with Simple but Practical Linear Response Mode and Excellent Glucose/Fructose Response Speed

Tian

Song

et al. 2023

Polymers

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Multiple responsive hydrogels are usually constructed by the addition of many different functional groups. Generally, these groups have different responsive behaviors which lead to interleaved and complex modes of the multi-response system. It is difficult to get a practical application. In this study, we show that multi-response hydrogels can also be constructed using dynamic bonds as crosslinks. The multiple responsive hydrogel films with thicknesses on the sub-micrometer or micrometer scale can be fabricated from P(DMAA-3-AAPBA), a copolymer of N,N-dimethylacrylamide, 3-(acrylamido)phenylboronic acid, and poly(vinylalcohol) (PVA) though a simple layer-by-layer (LbL) technique. The driving force for the film build up is the in situ-formed phenylboronate ester bonds between the two polymers. The films exhibit Fabry–Perot fringes on their reflection spectra which can be used to calculate the equilibrium swelling degree (SDe) of the film so as to characterize its responsive behaviors. The results show that the films are responsive to temperature, glucose, and fructose with simple and practical linear response modes. More importantly, the speed of which the films respond to glucose or fructose is quite fast, with characteristic response times of 45 s and 7 s, respectively. These quick response films may have potential for real-time, continuous glucose or fructose monitoring. With the ability to bind with these biologically important molecules, one can expect that hydrogels may find more applications in biomedical areas in the future.

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Novel dual dynamic boronate ester bond regulated bio-based polymer with rapid self-healing and multiple recyclability

Cited by 17 publications

References 36 publications

Bio‐Based and Recyclable Self‐Healing Elastomer for the Application of Self‐Powered Triboelectric Nanogenerator in Low‐Temperature

Bio‐Based and Recyclable Self‐Healing Elastomer for the Application of Self‐Powered Triboelectric Nanogenerator in Low‐Temperature

Synergistic Antimicrobial Glycyrrhizic Acid‐Based Functional Biosensing Composite for Sensitive Glucose Monitoring and Collaborative Wound Healing

Multiple Responsive Hydrogel Films Based on Dynamic Phenylboronate Bond Linkages with Simple but Practical Linear Response Mode and Excellent Glucose/Fructose Response Speed

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