Preparation and characterization of hybrid polycaprolactone/cellulose ultrafine fibers via electrospinning
- Authors
- Ali, Shamshad; Khatri, Zeeshan; Oh, Kyung Wha; Kim, Ick-Soo; KIM, Seong Hun
- Issue Date
- May-2014
- Publisher
- POLYMER SOC KOREA
- Keywords
- poly(e-caprolactone); cellulose acetate; cellulose; electrospinning; wettability; ultrafine fibers
- Citation
- MACROMOLECULAR RESEARCH, v.22, no.5, pp.562 - 568
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- MACROMOLECULAR RESEARCH
- Volume
- 22
- Number
- 5
- Start Page
- 562
- End Page
- 568
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160037
- DOI
- 10.1007/s13233-014-2078-x
- ISSN
- 1598-5032
- Abstract
- A series of poly(E >-caprolactone) (PCL)/cellulose acetate (CA) ultrafine fiber webs were prepared via electrospinning followed by deacetylation in an aqueous alkaline solution to convert CA into cellulose (CEL). The wetting properties of PCL/CA and PCL/CEL blends were evaluated to investigate wicking behavior. The results showed that the conversion of PCL/CA into PCL/CEL leads to an improved wettability. Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) study revealed that CA was completely converted into CEL after deacetylation, and PCL/CEL blends exhibited characteristics peaks of both constituent fibers. The differential scanning calorimetry (DSC) analysis demonstrated that the PCL/CA ultrafine fibers were partially miscible in PCL/CA ultrafine fibers. The fiber morphology under field emission scanning electron microscopy (FE-SEM) showed that the electrospun ultrafine fibers were bead free. The crystallinity of PCL-CEL, (1:4) blend was greatly decreased in comparison to the treated PCL as revealed by wide angle X-ray diffraction (WAXD) measurements. The potential applications of PCL/CEL webs include liquid biofilters, biosensor and biomedical materials.
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