Modeling polypropylene polymer air drawing in the spunbonding nonwoven process
International Journal of Clothing Science and Technology
ISSN: 0955-6222
Article publication date: 27 May 2014
Abstract
Purpose
The air drawing model plays an important in spunbonding. The purpose of this paper is to study the influence of the density and the specific heat capacity of polymer melt at constant pressure changing with polymer temperature on the fiber diameter.
Design/methodology/approach
The air drawing model of the polypropylene polymer in a spunbonding process is presented and solved by introducing the numerical computation results of the air flow field of aerodynamic device.
Findings
The model prediction of the filament fiber diameter coincides well with the experimental data. The effects of the processing parameters on the filament fiber diameter are discussed. A lower polymer throughput rate, higher polymer melt temperature, higher primary air temperature, higher venturi gap, higher air suction speed, and higher quench pressure can all produce finer filament fiber.
Originality/value
The experimental results show that the agreement between the results and experimental data are very better, which verifies the reliability of these models. The results show great prospects for this research in the field of computer assisted design of spunbonding technology.
Keywords
Acknowledgements
The permission by Phoenics Inc to use their software with an educational license is gratefully acknowledged.
Citation
Zhao, B. (2014), "Modeling polypropylene polymer air drawing in the spunbonding nonwoven process", International Journal of Clothing Science and Technology, Vol. 26 No. 2, pp. 184-194. https://doi.org/10.1108/IJCST-10-2012-0068
Publisher
:Emerald Group Publishing Limited
Copyright © 2014, Emerald Group Publishing Limited