A novel dual crosslinked polysaccharide hydrogel with self-healing and stretchable properties

Huang, Kexin; Xu, Haiying; Chen, Cheng; Shi, Fengna; Wang, Fang; Li, Jiarui; Hu, Sheng

doi:10.1039/d1py00936b

Cited by 13 publications

(7 citation statements)

References 46 publications

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“…Tough and strong cellulose hydrogels. (a) and (b) Photographs of the stretching process of the tough cellulose hydrogel, (c) and (d) mechanical properties of cellulose hydrogels made by using cellulose nanofibers/EmimAc with different solid contents, (e) and (f) photographs of the cellulose hydrogel made by using cellulose nanofibers/EmimAc with a solid content of 25%, and (g) toughness comparison with polysaccharide-based hydrogels in previous studies. ,− …”

Section: Resultsmentioning

confidence: 98%

Tough and Strong All-Biomass Plastics from Agricultural and Forest Wastes via Constructing an Aggregate of Hydrogen-Bonding Networks

Xia

et al. 2023

ACS Sustainable Chem. Eng.

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The development of all-biomass materials to replace conventional plastics has been gradually becoming a focus. However, all-biomass plastics, especially those fabricated from agricultural and forestry wastes, have the obstacles of poor formability and/or low toughness. Herein, we demonstrated a facile, efficient, and easy-to-scale method to significantly improve the formability and toughness of biomass materials via constructing an aggregate of hydrogen-bonding networks, where the relatively weak hydrogen bonding could be sacrificed during stretching. After a continuous preparation process that combined a paper-making process with an in situ welding process, the regenerated cellulose material with a layered microstructure was spontaneously formed. The interlayer hydrogen-bonding interactions could dissipate energy during stretching. As a result, the cellulose plastics were tough and strong. The tensile strength, strain, and toughness reached 154.9 MPa, 57.7%, and 81.76 MJ/m3, respectively, which were markedly higher than those of previous cellulose-based materials. The corresponding cellulose hydrogel exhibited an excellent strength of 9.5 MPa and a high strain of 171.4% also. During this scalable process, a 1-ethyl-3-methylimidazolium acetate (EmimAc) aqueous solution worked as a dispersant and a solvent, and a high solid content of cellulose/EmimAc (20 wt %) was used. Based on such an effective method, various agricultural and forestry wastes, including corn straw, wheat straw, grass, and wood powder, could be directly processed into high-tough all-biomass films, indicating a huge potential in ecofriendly materials, environmental protection, and bioresource utilization.

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Section: Resultsmentioning

confidence: 98%

Tough and Strong All-Biomass Plastics from Agricultural and Forest Wastes via Constructing an Aggregate of Hydrogen-Bonding Networks

Xia

et al. 2023

ACS Sustainable Chem. Eng.

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“…The self‐healing process was observed after 6 h without any external stimulation, which was attributed to the dynamic characteristics of acylhydrazone bonds and the reversibility of multiple hydrogen bonds. Huang et al 83 constructed an antimicrobial hydrogel using oxidized cellulose acetoacetate to react with carboxymethyl chitosan and oxalyl dihydrazide, and the enamine linkages and acylhydrazone bonds enabled the self‐healing process in 30 min. Zhu et al 84 illustrated the effect of metal coordination bond on the self‐healing efficiency by the incorporation of Fe 3 O 4 .…”

Section: Self‐healing Mechanismsmentioning

confidence: 99%

Recent advances in self‐healing materials for food packaging

Huang

Wang

2022

Packag Technol Sci

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Food packaging materials are often inevitably and imperceptibly damaged during the transportation, handling, and storage, and the disruption of their integrity poses a challenge to food preservation. Food packaging materials with self‐healing capability can automatically repair the damaged areas and reconstruct original properties to avoid degradation of food quality and loss of nutrients. Various self‐healing materials based on dynamic covalent bonds and/or dynamic non‐covalent interactions have been developed and applied in food packaging in the forms of films and coatings at laboratory scale, and more efforts are required for the commercialization of these novel smart packaging materials. This is the first review to summarize the recent progress in the preparation of self‐healing packaging materials through different mechanisms, compare the self‐healing efficiency under different conditions, and highlight the potential applications of self‐healing films and coatings with recoverable mechanical and barrier properties and other functionalities (e.g., antimicrobial and anti‐fogging capacities). Finally, the future opportunities and challenges of applying self‐healing materials in food packaging are described.

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“…into a hydrogel matrix can be used as drug delivery carriers. 73 The introduction of magnetic substances into the self-healing hydrogels is applied for biological engineering. 74 When dopamine and catechol compounds are applied to prepare hydrogels, the obtained hydrogels with self-healing and adhesive abilities can serve as wound dressings, adhesives, hemostatic agents, and so on.…”

Section: Introductionmentioning

confidence: 99%

“…Self-healing hydrogels prepared by integrating non-cytotoxic and biocompatible natural polymer materials (chitosan, amino acids, sodium alginate, silk fibroin, etc.) into a hydrogel matrix can be used as drug delivery carriers . The introduction of magnetic substances into the self-healing hydrogels is applied for biological engineering .…”

Section: Introductionmentioning

confidence: 99%

Self-Healing Hydrogels: From Synthesis to Multiple Applications

Yin

Liu

Abdiryim

et al. 2023

ACS Materials Lett.

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Due to the good reliability and long-term stability, self-healing hydrogels have emerged as promising soft materials for tissue engineering, smart wearable sensors, bioelectronics, and energy storage devices. The self-healing mechanism depends on reversible chemical or physical cross-linking interactions. Self-healing hydrogels with fascinating features (including mechanical performances, biocompatibility, conductivity, antibacterial ability, responsiveness, etc.) are being designed and developed according to the practical application requirements. In this review, the recent progress on self-healing hydrogels in their synthesis strategies and multiple applications is summarized. Their synthesis strategies involve reversible chemical or physical cross-linking processes or a combination of the two. Their recent applications include flexible strain sensors, supercapacitors, actuators, adhesives, wound healing, drug delivery, tumor treatment, 3D printing, etc. Finally, the current challenges, future development, and opportunities for self-healing hydrogels are discussed.

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A novel dual crosslinked polysaccharide hydrogel with self-healing and stretchable properties

Abstract: In order to provide better stability and enhance the mechanical property of the natural polysaccharides, self-healing hydrogels have attracted much attention because of the ability of spontaneously repair after damage....

Cited by 13 publications

References 46 publications

Tough and Strong All-Biomass Plastics from Agricultural and Forest Wastes via Constructing an Aggregate of Hydrogen-Bonding Networks

Tough and Strong All-Biomass Plastics from Agricultural and Forest Wastes via Constructing an Aggregate of Hydrogen-Bonding Networks

Recent advances in self‐healing materials for food packaging

Self-Healing Hydrogels: From Synthesis to Multiple Applications

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