Hydrophobic association hydrogels with excellent mechanical and self-healing properties

Jiang, Haicheng; Duan, Lijie; Ren, Xiuyan; Gao, Guanghui

doi:10.1016/j.eurpolymj.2018.10.031

Cited by 164 publications

(94 citation statements)

References 93 publications

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“…Self‐healing is a salient property of CPHs, a concept derived from the function of biological skin and bone . Applying this property to all kinds of electronic devices, it can restore the function and shape of the product after damage, thus prolonging the service life of devices and reducing maintenance costs .…”

Section: Properties Of Cphsmentioning

confidence: 99%

Properties of conductive polymer hydrogels and their application in sensors

Guo

Pan

et al. 2019

J Polym Sci B Polym Phys

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Conductive polymer hydrogels (CPHs), which combine the unique advantages of hydrogels and organic conductors, have received wide attention due to their adjustable mechanical properties, biocompatibility, self‐healing, hydrophilicity, and ease of preparation. With doping engineering and incorporation with other functional nanomaterials, CPHs have exhibited excellent physical/chemical properties. CPHs have been widely used in various electronic devices, especially in the field of sensors due to its sensitivity to external stimuli. This review summarizes recent progress in CPHs from the aspect of the CPHs' properties and their application in advanced sensor technology. © 2019 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2019, 57, 1606–1621

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Section: Properties Of Cphsmentioning

confidence: 99%

Properties of conductive polymer hydrogels and their application in sensors

Guo

Pan

et al. 2019

J Polym Sci B Polym Phys

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“…2,6,12 Recently, utilization of hydrophobic materials and hydrophobic/hydrophilic interactions in tissue scaffolds such as hydrophobic association hydrogels has become an exciting research topic in the rapidly developing field of tissue engineering due to their critical roles in the biological system, especially in mechanical performance. 13,14 It was demonstrated that surface and matrix hydrophobicity has a critical effect in protein adsorption, 15 osteoblast attachment, 16 biomineralization process, 17 and promoting the healing of bone defects. 18 Polytetrafluoroethylene (PTFE), the most attractive hydrophobic synthetic polymer, is a physiologically inert molecule with helical linear chains of carbon and fluorine and has been widely used in biomedical fields such as arterial grafts, medical ports, hernia surgical mesh, as well as suture and reconstructive facial surgery.…”

Section: Synthesis and Characterization Of Go Nanoparticlesmentioning

confidence: 99%

Freeze-dried multiscale porous nanofibrous three dimensional scaffolds for bone regenerations

et al. 2020

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Introduction: Simulating hydrophobic-hydrophilic composite face with hierarchical porous and fibrous architectures of bone extracellular matrix (ECM) is a key aspect in bone tissue engineering. This study focused on the fabrication of new three-dimensional (3D) scaffolds containing polytetrafluoroethylene (PTFE), and polyvinyl alcohol (PVA), with and without graphene oxide (GO) nanoparticles using the chemical cross-linking and freeze-drying methods for bone tissue application. The effects of GO on physicochemical features and osteoinduction properties of the scaffolds were evaluated through an in vitro study. Methods: After synthesizing the GO nanoparticles, two types of 3D scaffolds, PTFE/PVA (PP) and PTFE/PVA/GO (PPG), were developed by cross-linking and freeze-drying methods. The physicochemical features of scaffolds were assessed and the interaction of the 3D scaffold types with human adipose mesenchymal stem cells (hADSCs) including attachment, proliferation, and differentiation to osteogenic like cells were investigated. Results: GO nanoparticles were successfully synthesized with no agglomeration. The blending of PTFE as a hydrophobic polymer with PVA polymer and GO nanoparticles (hydrophilic compartments) were successful. Two types of 3D scaffolds had nano topographical structures, good porosities, hydrophilic surfaces, thermal stabilities, good stiffness, as well as supporting the cell attachments, proliferation, and osteogenic differentiation. Notably, GO incorporating scaffolds provided a better milieu for cell behaviors. Conclusion: Novel multiscale porous nanofibrous 3D scaffolds made from PTFE/ PVA polymers with and without GO nanoparticles could be an ideal candidate for bone tissue engineering as a 3D template.

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“…The mechanical performance is of critical importance to the application of hydrogels. Many investigations have focused on improving the mechanical properties of hydrophobically associated hydrogels [24,30,48,49]. The stress-strain curves shown in the figure 3(a) are obtained through the tensile test, which quantitatively describe the tensile properties of these prepared hydrogels.…”

Section: Mechanical and Self-healing Properties Of Hpamf Hydrogelsmentioning

confidence: 99%

Enhancement of mechanical property and absorption capability of hydrophobically associated polyacrylamide hydrogels by adding cellulose nanofiber

Zhang

Zhao

et al. 2020

Mater. Res. Express

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Hydrophobically associated (HA) hydrogels have attracted great concerns with their admirable properties, such as self-healing and shape memory. However, a few works have been devoted to apply HA hydrogels in practice, especially in wastewater treatment. This may be because of the non-ionic monomer composition and the poor mechanical properties after swelling. In this work, in order to improve the mechanical properties and absorption behavior of HA polyacrylamide (HPAM) hydrogel, hydrophobically associated polyacrylamide/cellulose nanofiber (HPAMF) composite hydrogels were prepared. It was found that by incorporating CNF (2 wt%), the tensile strength (≈0.276 MPa) was largely increased by 632% compared to HPAM hydrogels. The maximum Cu ion adsorption capacity of the HPAMF hydrogel (containing 2 wt% CNF) was 2.33 mmol g −1 , about 86% over the HPAM hydrogel. The HPAMF hydrogels with self-healing, excellent mechanical and adsorption properties can be promisingly served as reliable absorbents, consequently satisfying the needs of practical application of heavy metal treatment.

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Hydrophobic association hydrogels with excellent mechanical and self-healing properties

Cited by 164 publications

References 93 publications

Properties of conductive polymer hydrogels and their application in sensors

Properties of conductive polymer hydrogels and their application in sensors

Freeze-dried multiscale porous nanofibrous three dimensional scaffolds for bone regenerations

Enhancement of mechanical property and absorption capability of hydrophobically associated polyacrylamide hydrogels by adding cellulose nanofiber

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