Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
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Qi Chen
Abstract
Chitosan (CS) is an excellent biocompatible natural antibacterial material that has attracted researchers to study its biological applications as artificial tissue scaffolds and wound-healing materials. In this research, CS has been mixed with polyethylene oxide (PEO) and mica at various weight ratios to prepare nanofibers; however, it is found to be a difficult task to prepare the nanofiber using pure CS. The composite in form of nanofibrous mat was prepared with CS/PEO solution and CS/PEO/mica solution using electrospinning. Processing conditions were adjusted to a flow rate of 6 ml/min, with an applied voltage of 27 kV. The distance of capillary tip to target was kept about 10 cm at 25°C with a collector having a speed of 200 rpm. The spinnability of solutions was also evaluated by using both plate and cylinder collectors. The composite mats were analyzed in detail using scanning electron microscopy (SEM), Fourier transform infrared (FTIR), thermogravimetric analysis, and X-ray diffractogram (XRD). SEM photomicrograms indicated that the morphology and diameter of the nanofibers were affected by weight ratio of CS/PEO, concentration of mica, and types of collector. Furthermore, mica was incorporated in the CS/PEO matrix to enhance the specific surface area. Molecular interactions between CS/PEO and mica were investigated using FTIR and XRD.
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original articles
- Preparation of epoxy/acrylonitrile-butadiene-styrene copolymer/short carbon fiber composites with a self-made conical mixer
- Preparation and characterization of poly (amide-ester-imide)/Na+-MMT nanocomposite via ultrasonic method
- Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
- Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
- Effect of cooling induced crystallization upon the properties of segmented thermoplastic polyurethanes
- Conductivity and dielectric analysis of nanocolloidal polypyrrole particles functionalized with higher weight percentage of poly(styrene sulfonate) using the dispersion polymerization method
- Mechanism and solutions of appearance defects on microfluidic chips manufactured by UV-curing assisted injection molding
- Effect of gas counter pressure on shrinkage and residual stress for injection molding process
- Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
- Cavitation desulfurization in vulcanized rubber recycling under ultra-high pressure water jet
Artikel in diesem Heft
- Frontmatter
- Original articles
- Preparation of epoxy/acrylonitrile-butadiene-styrene copolymer/short carbon fiber composites with a self-made conical mixer
- Preparation and characterization of poly (amide-ester-imide)/Na+-MMT nanocomposite via ultrasonic method
- Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
- Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
- Effect of cooling induced crystallization upon the properties of segmented thermoplastic polyurethanes
- Conductivity and dielectric analysis of nanocolloidal polypyrrole particles functionalized with higher weight percentage of poly(styrene sulfonate) using the dispersion polymerization method
- Mechanism and solutions of appearance defects on microfluidic chips manufactured by UV-curing assisted injection molding
- Effect of gas counter pressure on shrinkage and residual stress for injection molding process
- Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
- Cavitation desulfurization in vulcanized rubber recycling under ultra-high pressure water jet
