ELECTRO SPINNING OF NANO-POROUS CELLULOSE ACETATE FIBERS UNDER HUMIDIFIED CONDITION

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FATTAHI JUYBARI HAMID; KARIMI MOHAMMAD

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Journal: Iranian Journal of Polymer Science and Technology Year:2016 | Volume:28 | Issue:6 Page(s): 495-504

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Title

ELECTRO SPINNING OF NANO-POROUS CELLULOSE ACETATE FIBERS UNDER HUMIDIFIED CONDITION

Author(s)

FATTAHI JUYBARI HAMID | KARIMI MOHAMMAD | Issue Writer Certificate

Keywords

POROUS FIBERSQ1

CELLULOSE ACETATEQ1

RELATIVE HUMIDITYQ2

CONCENTRATIONQ1

ELECTROSPINNINGQ2

Abstract

Electrospinning as a simple method was used to produce CELLULOSE ACETATE POROUS FIBERS. Motivation for production of fibers with small diameter in the submicron and nano scales was to achieve the material with a large surface area with porosity formation in the structure of electrospun fibers. In this study, porous CELLULOSE ACETATE (CA) fibers were produced by ELECTROSPINNING process from solution of CA/acetone/water. The porosity of the fiber was controlled by adjustment of the temperature and humidity of ELECTROSPINNING chamber. Scanning electron microscopy (SEM) and densitometry were employed to evaluate the morphology and porosity of the samples. The results showed that the morphology and porosity of CELLULOSE ACETATE fibers depend on the polymer solution CONCENTRATION and RELATIVE HUMIDITY of ELECTROSPINNING atmosphere. CELLULOSE ACETATE fibers were electrospun best at the CONCENTRATIONs of 12 to 18 wt% and RELATIVE HUMIDITY range of 40 to 80%. The highest porosity was obtained at the RELATIVE HUMIDITY of 80% and CONCENTRATION of 15 wt%. In addition, by increasing the RELATIVE HUMIDITY of ELECTROSPINNING environment and polymer CONCENTRATION, the average diameter of the fibers was increased. With increasing the polymer CONCENTRATION, there was less likelihood in thermodynamic instability and phase separation. In contrast, increases in RELATIVE HUMIDITY led to diffusion of more water into the ELECTROSPINNING jet, giving rise to phase separation. Our observations revealed that the skin of fibers was formed at the earlier stage of the process and prevented the stretch in ELECTROSPINNING jet.

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APA: Copy

FATTAHI JUYBARI, HAMID, & KARIMI, MOHAMMAD. (2016). ELECTRO SPINNING OF NANO-POROUS CELLULOSE ACETATE FIBERS UNDER HUMIDIFIED CONDITION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 28(6), 495-504. SID. https://sid.ir/paper/6677/en

Vancouver: Copy

FATTAHI JUYBARI HAMID, KARIMI MOHAMMAD. ELECTRO SPINNING OF NANO-POROUS CELLULOSE ACETATE FIBERS UNDER HUMIDIFIED CONDITION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2016;28(6):495-504. Available from: https://sid.ir/paper/6677/en

IEEE: Copy

HAMID FATTAHI JUYBARI, and MOHAMMAD KARIMI, “ELECTRO SPINNING OF NANO-POROUS CELLULOSE ACETATE FIBERS UNDER HUMIDIFIED CONDITION,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 28, no. 6, pp. 495–504, 2016, [Online]. Available: https://sid.ir/paper/6677/en

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