Electrospun nanofiber reinforcement of dental composites with electromagnetic alignment approach

Mukherjee

J of Applied Polymer Sci

et al. 2018

Electrospinning is one of the most important ways to prepare continuous, high porosity, large specific surface area, and uniform diameter micro-and nanoscale fibers. So, it has been widely used in the preparation of micro/nano-sized polymer scaffolds for tissue engineering in recent years. In addition to the versatility in material selection and the processing variables, electrospinning also provides a lot of methods to regulate fiber structure and scaffolds morphology. For example, the near-field electrospinning can provide a method to solve the problem of uncontrollable fiber path; the melt electrospinning eliminates the risk of solvent residue in the construct; the addition of different auxiliary electrodes can make the fiber patterned. This review introduces the underlying principle and characteristics of above electrospinning applied in biomedicine. Herein, we highlight a comprehensive understanding of the technical aspect of this technology for versatile fibers with patterned, core-shell and aligned morphology.

Section: Development Of Different Auxiliary Electrode and Dielectric mentioning

confidence: 99%

Section: Development Of Different Auxiliary Electrode and Dielectric mentioning

confidence: 99%

Section: Development Of Different Auxiliary Electrode and Dielectric mentioning

confidence: 99%

See 1 more Smart Citation

Recent studies on electrospinning preparation of patterned, core–shell, and aligned scaffolds

Mukherjee

J of Applied Polymer Sci

et al. 2018

J of Applied Polymer Sci

“…Electrospun nanofibers have many superior characteristics, such as high specific surface area, high porosity, fine fiber diameter, and so on. Therefore, electrospun nanofibers have been reported in filtration and adsorption, tissue engineering scaffold, wound dressing, energy storage, and composite reinforcement …”

Section: Introductionmentioning

confidence: 99%

Influence of the processing parameters on needleless electrospinning from double ring slits spinneret using response surface methodology

Wei

Qiu

Wang

et al. 2018

Needleless electrospinning technology was an effective processing method which can fabricate large scale nanofibers. We first developed a novel double rings slit spinneret to overcome the shortcomings of current needleless electrospinning spinnerets. The solution of the flow rate was controlled accurately by peristaltic control pump. Response surface methodology was adopted to investigate the influence of the processing parameters on the morphology and diameter of nanofibers. The main spinning processing parameters comprised solution concentration, applied voltage, collection distance and solution flow rate. The analysis of variance was used to evaluate response surface reduced quadratic model for nanofiber diameter. The linear and quadratic coefficients were obtained. The morphology of nanofibers was observed by scanning electron microscopy. Effects of different processing parameters on the nanofiber mean diameter have been discussed. Predicated values have a good agreement with actual values for nanofiber diameter. Actual nanofiber diameter ranges from129.15 to 404.70 nm with different process parameters. Mechanical properties of nanofiber membrane have been investigated. High quality and high throughout nanofiber could be continuously produced. This novel needleless electrospinning spinneret has a great potential for large scale nanofibers production to promote electrospinning technology development. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46407.

“…The resultant polymer nanofibers assembled by electrospinning are featured on large specific surface area, and it can enable the applied load to be transferred on nanofibersmatrix interface [6][7][8][9][10]. Some researchers have attempted to manufacture nanocomposites reinforced with electrospun polymer nanofibers [11][12][13][14][15][16][17][18]. Among them, Uyar et al [12] have used electrospun polyvinyl alcohol (PVA) to reinforce the polymethylmethacrylate (PMMA) composites resins, and their results indicated that the mechanical properties of PMMA composites were improved, and the improvement was higher when aligned PVA nanofibers are used.…”

Section: Introductionmentioning

confidence: 99%

Study on the Preparation and Anisotropic Distribution of Mechanical Properties of Well-Aligned PMIA Nanofiber Mats Reinforced Composites

Tan

et al. 2017

Journal of Chemistry

Well-aligned PMIA nanofiber mats were fabricated by electrospinning and then hot-pressing was used to produce PMIA nanofiber mats reinforced PLA matrix by layer-by-layer with the interlayer angles of 0, 45, and 90°. Orthogonal experimental design was employed to fix the effect of the hot-pressing parameters on the tensile strength of nanocomposites, and SEM was used to characterize the broken sections of the nanocomposites after tensile test. The optimized process parameters were achieved of pressure as 1000 Pa, temperature as 180°C, and time as 30 min. The SEM images of broken sections showed that the different laminate forms and the state of bearing load of nanofibers resulted in the different morphologies of broken sections. The break strength of PMIA/PLA nanocomposites with any of interlayer angles at different tensile testing directions was revealed as follows: axial > oblique > transverse, and the initial modulus also showed the same except the angle of 90° with the approach initial modulus at the axial and transverse directions. The maximum tensile strength and modulus of the nanocomposites were 17.12 MPa and 1642.17 MPa, respectively, of the axial tensile testing directions of the interlayer angle of 0°.