Electrospun polyimide nanofibers and their applications

Ding, Yichun; Hou, Haoqing; Zhao, Yong; Zhu, Zhengtao; Fong, Hao

doi:10.1016/j.progpolymsci.2016.06.006

Cited by 347 publications

(195 citation statements)

References 262 publications

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“…Aside from the electrospinning techniques and type of collector, there are several factors that affect the fiber diameter and morphology: i) electrospinning parameters, for example, applied electric field, distance between the needle and collector, flow rate, and needle diameter; ii) solution parameters, for example, solvent, polymer concentration, viscosity and solution conductivity; iii) environmental parameters, for example, relative humidity and temperature. Figure 4 shows the different morphologies obtained for electrospun nanofibers prepared using different electrospinning conditions …”

Section: Nanofiber Fabrication Techniquesmentioning

confidence: 99%

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Nanofibers for Biomedical and Healthcare Applications

Rasouli

Barhoum

Bechelany

et al. 2018

Macromolecular Bioscience

196

112

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Unique features of nanofibers provide enormous potential in the field of biomedical and healthcare applications. Many studies have proven the extreme potential of nanofibers in front of current challenges in the medical and healthcare field. This review highlights the nanofiber technologies, unique properties, fabrication techniques (i.e., physical, chemical, and biological methods), and emerging applications in biomedical and healthcare fields. It summarizes the recent researches on nanofibers for drug delivery systems and controlled drug release, tissue‐engineered scaffolds, dressings for wound healing, biosensors, biomedical devices, medical implants, skin care, as well as air, water, and blood purification systems. Attention is given to different types of fibers (e.g., mesoporous, hollow, core‐shell nanofibers) fabricated from various materials and their potential biomedical applications.

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Section: Nanofiber Fabrication Techniquesmentioning

confidence: 99%

Section: Nanofiber Fabrication Techniquesmentioning

confidence: 99%

Nanofibers for Biomedical and Healthcare Applications

Rasouli

Barhoum

Bechelany

et al. 2018

Macromolecular Bioscience

196

112

View full text Add to dashboard Cite

show abstract

“…[29][30][31][32] Nearly all the nanobers need to be modied with coupling agents before blending with the polymer matrix, which may seriously affect the properties of the as-prepared nanocomposites. Using homogenous nanobers has proved to be a good approach to improving the interface adhesion between matrix and bers.…”

Section: -28mentioning

confidence: 99%

Polyimide film with low thermal expansion and high transparency by self-enhancement of polyimide/SiC nanofibers net

Liu

Gao

et al. 2018

RSC Adv.

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A facile approach to synthesize a polyimide (PI) film with enhanced dimensional stability, a high mechanical property and optical transparency is presented by embedding the partial imidized PI/SiC nanofiber-net in a poly(amic acid) (PAA) solution, followed by removing the solvent and imidization of the PAA. The nanofiber-network self-filled PI film demonstrates a much lower thermal expansion coefficient (CTE), an excellent mechanical property and high transparency retention in comparison to the film fabricated by solution cast. When the SiC content is 6 wt% in PI/SiC nanofibers, the CTE values for the PI film containing 25 wt% PI/SiC nanofibers are 2.80 times lower than the solution cast PI/SiC film. The tensile strength and modulus for the PI/SiC fiber filled film are also improved by 159% and 91% respectively in comparison to the solution cast SiC/PI film. In addition, the PI/SiC nanofiber-network filled PI film exhibits a high optic transparency. The significant improvement in aforementioned properties is contributed to by the long and continuous nanonetwork which acts as a frame to maintain the stable dimension and endow the film with high mechanical properties. Moreover, the nanosized SiC particles were constricted within the nano-fiber to avoid light scattering, so the high transparency of the film was retained.

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“…Electrospinning is a simple and robust processing technique to produce fibers with adjustable diameters that can be deposited to form porous, nonwoven supports . Fabrication of infinite tracks with areas up to 2000 m 2 day −1 represents no problem . The porosity of the nonwoven substrate can be tuned to optimize filtration efficiency.…”

Section: Introductionmentioning

confidence: 99%

Filter‐Through Method of Making Highly Efficient Polymer‐Clay Nanocomposite Membranes

Zhu

Habel

Schilling

et al. 2019

Macro Materials & Eng

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Electrospun filter with hierarchical pore structure and variable pore diameter is used for the first time in making a flexible, strong, and high gas‐barrier membrane. A versatile, technical, benign processing method for the fabrication of highly filled (>25 wt%) efficient gas‐barrier polymer membrane with perfectly aligned synthetic high‐aspect ratio layered silicate (clay) of variable and considerable thickness (up to 5 µm) is presented. This process combines advantageous features of an electrospun substrate like high porosity, variable pore size (typically <5 µm), thermoplasticity and of an aqueous suspension of a synthetic clay consisting of single 1 nm thick layers with a huge median lateral extension (>10 µm) in a layered structure. By simple and fast filtration, a gas‐barrier self‐assembled layer of variable and appropriate thickness is obtained on a mechanically stable thermoplastic electrospun filter support that subsequently can be laminated adhesively or via hot pressing, even in a multilayer structure, if required. The resulting composite membranes are flexible, strong, transparent, and show enhanced gas‐barrier properties.

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Electrospun polyimide nanofibers and their applications

Cited by 347 publications

References 262 publications

Nanofibers for Biomedical and Healthcare Applications

Nanofibers for Biomedical and Healthcare Applications

Polyimide film with low thermal expansion and high transparency by self-enhancement of polyimide/SiC nanofibers net

Filter‐Through Method of Making Highly Efficient Polymer‐Clay Nanocomposite Membranes

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