Tough, adhesive and self-healing conductive 3D network hydrogel of physically linked functionalized-boron nitride/clay /poly(<i>N</i>-isopropylacrylamide)

Tong, Xin; Du, Lina; Xu, Qun

doi:10.1039/c7ta10898b

Cited by 118 publications

(69 citation statements)

References 67 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[48,76,[78][79][80] Polyvinylpyrrolidone (PVP) outperformed Pluronics F127 and P123, Tween 20, hexadecyltrimethylammonium bromide (CTAB), and sodium dodecylbenzenesulfonate (SDBS) for exfoliation in scCO 2 mixed solvent solutions. [48,76,[78][79][80] Polyvinylpyrrolidone (PVP) outperformed Pluronics F127 and P123, Tween 20, hexadecyltrimethylammonium bromide (CTAB), and sodium dodecylbenzenesulfonate (SDBS) for exfoliation in scCO 2 mixed solvent solutions.…”

Section: Complex Fluid Processingmentioning

confidence: 99%

Supercritical Fluid‐Facilitated Exfoliation and Processing of 2D Materials

et al. 2019

View full text Add to dashboard Cite

Since the first intercalation of layered silicates by using supercritical CO2 as a processing medium, considerable efforts have been dedicated to intercalating and exfoliating layered two‐dimensional (2D) materials in various supercritical fluids (SCFs) to yield single‐ and few‐layer nanosheets. Here, recent work in this area is highlighted. Motivating factors for enhancing exfoliation efficiency and product quality in SCFs, mechanisms for exfoliation and dispersion in SCFs, as well as general metrics applied to assess quality and processability of exfoliated 2D materials are critically discussed. Further, advances in formation and application of 2D material–based composites with assistance from SCFs are presented. These discussions address chemical transformations accompanying SCF processing such as doping, covalent surface modification, and heterostructure formation. Promising features, challenges, and routes to expanding SCF processing techniques are described.

show abstract

Section: Complex Fluid Processingmentioning

confidence: 99%

Supercritical Fluid‐Facilitated Exfoliation and Processing of 2D Materials

et al. 2019

View full text Add to dashboard Cite

show abstract

“…The introduction of three network structures in hydrogels increased the number of attachment points between molecules, thus significantly enhancing the mechanical strength of hydrogels . Tong et al designed physically linked gel by combining functionalized‐boron nitride nanosheets with H‐grafted nitrogen/‐OH grafted boron atoms with high toughness, adhesiveness, and automatical self‐healing abilities, while the conditions for self‐healing were harsh.…”

Section: Introductionmentioning

confidence: 99%

Bimetallic ions synergistic cross‐linking high‐strength rapid self‐healing antibacterial hydrogel

Wang

Feng

et al. 2018

Polymer Engineering & Sci

View full text Add to dashboard Cite

In this work, a novel PAA‐Fe3+‐Al3+ hydrogel with triple network structure (TN) was synthesized via bimetallic ions synergistic cross‐linking strategy. As‐synthesized samples were characterized by scanning electron microscope, Fourier transform infrared analysis, and X‐ray diffractometer. The relevant experiment results demonstrated that the hydrogel can rapidly self‐heal in ambient temperature without any external stimulus with 95% healing efficiency in 60 s. Simultaneously, the relatively rapid self‐healing of PAA‐Fe3+‐Al3+ polymer can be obtained through the coordination of metal ions with the COO− in PAA and the oxygen of agar in the TN hydrogel system. And the prepared hydrogels demonstrate excellent mechanical properties—high tensile strength (the tensile strain ≈ 1.011 mm/mm, tensile stress ≈ 0.34 MPa) and large elasticity (the elongation at break ≈ 74%). Especially, the antimicrobial activity of the novel hydrogel against Staphylococcus aureus and Escherichia coli bacteria was investigated using the inhibition zone method, showing remarkable antibacterial activity. POLYM. ENG. SCI., 59:919–927, 2019. © 2018 Society of Plastics Engineers

show abstract

“…Compared with the traditional chemical cross‐linked hydrogels, physical hydrogels (the cross‐linking structure is formed by non‐covalent bonding, such as hydrophobic association,] π–π stacking, hydrogen bonds, electrostatic interactions, and host–guest recognition) often exhibit good self‐healing performance, which has broad application prospects in industry, agriculture, biomedicine, and many other fields . However, the physical hydrogels generally suffer from their low mechanical strength, which greatly limits the development of high‐performance hydrogels .…”

Section: Introductionmentioning

confidence: 99%

“…As a physical hydrogel, HA‐gel has good self‐healing property, energy dissipation ability, and elongation, but low mechanical strength . In our previous work, we have demonstrated some general approaches to improve the strength and self‐healing ability of HA gels by combining the synergistic cross‐linking effects provided by crystalline microdomains, ionic interactions, and hydrophobic association micelles. The results showed that the formation of multiple physical cross‐linking structures is conducive to high strength and excellent self‐healing properties of the hydrogels .…”

Section: Introductionmentioning

confidence: 99%

“…

π-π stacking, [16] hydrogen bonds, [17,18] electrostatic interactions, [19,20] and hostguest recognition [21] ) often exhibit good self-healing performance, which has broad application prospects in industry, agriculture, biomedicine, and many other fields. [15,[22][23][24][25][26] However, the physical hydrogels generally suffer from their low mechanical strength, which greatly limits the development of high-performance hydrogels. [27,28] Hydrophobic association hydrogel (HA-gel) obtained by micellar polymerization of hydrophilic and hydrophobic monomers is a typical example.

…”

mentioning

confidence: 99%

See 1 more Smart Citation

Novel Self‐Healing, Shape‐Memory, Tunable Double‐Layer Actuators Based on Semi‐IPN and Physical Double‐Network Hydrogels

Zhang

Han

et al. 2018

Macro Materials & Eng

View full text Add to dashboard Cite

In this paper, a series of physical hydrogels with semi‐interpenetrating polymer network (IPN) structures are first synthesized via micellar copolymerization. The semi‐IPN gels exhibit high strength, pH responsiveness, and self‐healing properties. Then, a series of physical double‐network (PDN) gels are further prepared by immersing the as‐prepared semi‐IPN gels in the solutions containing Ca2+ or Fe3+, respectively. The strengths and moduli of these PDN hydrogels are much higher than that of the semi‐IPN gels. Accordingly, the mechanical properties and swelling ratio of PDN gels can be tuned by changing the SA content and the types of metal ions in the immersing treatment. Based on the excellent self‐healing ability of the semi‐IPN gels, the double‐layer hydrogel actuators with shape‐memory properties are successfully fabricated through a simple healing‐immersing treatment, which has great potential application prospects in actuators, artificial muscles, and soft robots.

show abstract

Tough, adhesive and self-healing conductive 3D network hydrogel of physically linked functionalized-boron nitride/clay /poly(N-isopropylacrylamide)

Abstract: A multi-functional delicate conductive nanostructure of a 3D hierarchical physically linked f-BNNS/clay/PNIPAM hydrogel has been fabricated successfully.

Cited by 118 publications

References 67 publications

Supercritical Fluid‐Facilitated Exfoliation and Processing of 2D Materials

Supercritical Fluid‐Facilitated Exfoliation and Processing of 2D Materials

Bimetallic ions synergistic cross‐linking high‐strength rapid self‐healing antibacterial hydrogel

Novel Self‐Healing, Shape‐Memory, Tunable Double‐Layer Actuators Based on Semi‐IPN and Physical Double‐Network Hydrogels

Contact Info

Product

Resources

About