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Preparation and Characterization of Polypropylene Non-woven Fabrics Prepared by Melt-blown Spinning for Filtration Membranes
Preparation and Characterization of Polypropylene Non-woven Fabrics Prepared by Melt-blown Spinning for Filtration Membranes
Bulletin of the Korean Chemical Society. 2014. Jun, 35(6): 1901-1903
Copyright © 2014, Korea Chemical Society
  • Received : January 27, 2014
  • Accepted : February 14, 2014
  • Published : June 20, 2014
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About the Authors
Kong-Hee Chu
Mira Park
Hak-Yong Kim
Fan-Long Jin
Department of Chemistry, Inha University, Incheon 402-751, Korea
Soo-Jin Park
Department of Chemistry, Inha University, Incheon 402-751, Korea

Abstract
Keywords
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Experimental Section
Materials . The PP used in this study (purchased from PolyMirae Co. of Korea), possessed a melt index of 900-1100 g/min and density of 0.9 g/cm 3 . The PP non-woven fabrics were prepared using a melt-blown spinning techni-que under an extruder inlet/outlet temperature of 120 °C/230 °C, through-put of 0.1 g/min, air pressure of 0.3 kg/cm 2 , and die to collector distance of 150 mm.
Heat and Plasma Treatments. The PP non-woven fabrics were heat (densification) treated using a calendar at a pressure of 60 psi, line speed of 4 m/min, press spacing of 0.02 mm, and roll temperature of 120 °C. The PP non-woven fabrics were plasma treated for 5 min under 100% oxygen at a total gas flow rate of 300 cm 3 /min.
Characterization and Measurements . The surfaces of the non-woven fabrics were investigated using a scanning electron microscope (HITACHI S-3000N).
The tensile strength test was conducted using an Instron mechanical tester (LRIOK model) at a tensile speed of 20 mm/min. All of the mechanical property values were obtain-ed as the average of five experimental values.
The contact angle of the PP non-woven fabrics was mea-sured using a contact angle tester (Dataphysics DCTA 21 model) with de-ionized water as the wetting liquid.
The water flux of the non-woven fabrics was measured using a permeation cell tester (Amicon Model 8050) at pre-ssure of 1 bar and temperature of 30 °C.
The average pore size of the non-woven fabrics was mea-sured using a capillary flow porometer (Porous materials, Inc. CFP-1200-AEL).
The particle removal efficiency of the PP non-woven fabrics was measured using a particle efficiency tester with ISO 12103-A standard particle at a concentration of 3 ppm and flow rate of 11.4 L/min.
Acknowledgements
This work was supported by the Carbon Valley Project by Ministry of Trade, Industry and Energy, and the Eco-Innovation Project by Ministry of Environment, Korea
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