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Fine Filament Formation Behavior of Polymethylpentene and Polypropylene near Spinneret in Melt Blowing Process

  • R. Ruamsuk , W. Takarada and T. Kikutani
Published/Copyright: May 10, 2016
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International Polymer Processing
From the journal International Polymer Processing Volume 31 Issue 2

Abstract

Formation behavior of fine fibers of polymethylpentene (PMP) and polypropylene (PP) in the melt blowing process was investigated through the observation of the spin-line near the spinning nozzle using a high speed camera. Reduction of the polymer throughput rate and increase of the air flow rate were necessary to achieve fine diameter fibers, however these conditions generally cause the instability in the spinning process. Observation of the spin-line at the melt blowing die revealed the periodic accumulation of polymer flow near the spinning nozzle followed by the quick pulling down of the accumulated polymer by the air flow. This behavior caused the periodic fluctuation of fiber diameter as well as the intermittent breakage of the spin-line under extreme conditions. Because of high extrusion viscosity, PMP showed more stable spinning behavior than PP. Frequency of diameter fluctuation became higher with the increases of air flow rate and throughput rate, and the maximum frequency of about 60 Hz was observed for PP spinning with the throughput rate of 0.18 g/min. Diameter distribution of the fibers in the prepared web was also analyzed to compare with the spinning behavior. Fiber diameter distributions were narrow and symmetric under stable spinning conditions, whereas skewed diameter profiles with a maximum at low value and a long tail to the larger diameter region were observed under unstable conditions. Intermittent spin-line breakage caused flaws of “shot” and/or “fly”, and the skewed fiber diameter distribution with the presence of a small amount of fiber of extremely large diameter was confirmed.

*Correspondence address, Mail address: Takeshi Kikutani, Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-S8-32, O-okayama, Meguro-ku, Tokyo 152-8552, Japan, E-mail:

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Received: 2015-08-16
Accepted: 2015-11-11
Published Online: 2016-05-10
Published in Print: 2016-05-29

© 2016, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Regular Contributed Articles
  4. Research and Application of Wireless Temperature Measurement Device in High Temperature Enclosed Environment
  5. Influence on Product Quality by pvT-Optimised Processing in Injection Compression Molding
  6. Effect of Plug Temperature on the Strain and Thickness Distribution of Components Made by Plug Assist Thermoforming
  7. Influence of Processing Parameters and Composition on the Effective Compatibilization of Polypropylene–Poly(ethylene terephthalate) Blends
  8. Impact Modification of Isotactic Polypropylene with Ethylene-Propylene Diene Monomer Rubber
  9. Impact Behavior of Continuous Biaxial Reinforced Composites Based on Bio-Polyamides and Man-Made Cellulose Fibres
  10. Preparation and Anti-Fouling Property of Acryloylmorpholine-Grafted PVDF Membrane: The Effect of Cross-Linking Agent
  11. Fine Filament Formation Behavior of Polymethylpentene and Polypropylene near Spinneret in Melt Blowing Process
  12. Fracture Toughness of PP/EPDM/Nano-Ternary Composites: The Role of Distribution of Inorganic Particles
  13. CO2 Laser Ablation of Microchannel on PMMA Substrate for Effective Fabrication of Microfluidic Chips
  14. A Novel Micro Wall Slip Model Based on Chain Length and Temperature
  15. Electrical and Mechanical Properties of Antistatic Poly(vinyl chloride) Composites Filled with Silver Plated Hollow Glass Microspheres
  16. Prototype System to Study the Effect of Weld Lines on the Performance of Extruded Profiles
  17. Extrudate Swell of High Density Polyethylenes in Slit (Flat) Dies
  18. PPS News
  19. PPS News
  20. Seikei Kakou Abstracts
  21. Seikei-Kakou Abstracts
https://doi.org/10.3139/217.3163

Articles in the same Issue

  1. Contents
  2. Contents
  3. Regular Contributed Articles
  4. Research and Application of Wireless Temperature Measurement Device in High Temperature Enclosed Environment
  5. Influence on Product Quality by pvT-Optimised Processing in Injection Compression Molding
  6. Effect of Plug Temperature on the Strain and Thickness Distribution of Components Made by Plug Assist Thermoforming
  7. Influence of Processing Parameters and Composition on the Effective Compatibilization of Polypropylene–Poly(ethylene terephthalate) Blends
  8. Impact Modification of Isotactic Polypropylene with Ethylene-Propylene Diene Monomer Rubber
  9. Impact Behavior of Continuous Biaxial Reinforced Composites Based on Bio-Polyamides and Man-Made Cellulose Fibres
  10. Preparation and Anti-Fouling Property of Acryloylmorpholine-Grafted PVDF Membrane: The Effect of Cross-Linking Agent
  11. Fine Filament Formation Behavior of Polymethylpentene and Polypropylene near Spinneret in Melt Blowing Process
  12. Fracture Toughness of PP/EPDM/Nano-Ternary Composites: The Role of Distribution of Inorganic Particles
  13. CO2 Laser Ablation of Microchannel on PMMA Substrate for Effective Fabrication of Microfluidic Chips
  14. A Novel Micro Wall Slip Model Based on Chain Length and Temperature
  15. Electrical and Mechanical Properties of Antistatic Poly(vinyl chloride) Composites Filled with Silver Plated Hollow Glass Microspheres
  16. Prototype System to Study the Effect of Weld Lines on the Performance of Extruded Profiles
  17. Extrudate Swell of High Density Polyethylenes in Slit (Flat) Dies
  18. PPS News
  19. PPS News
  20. Seikei Kakou Abstracts
  21. Seikei-Kakou Abstracts
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