A Lagrange Type Polymer Drawing Model of the Melt Blowing Nonwoven Process

Hua Jun Chen; Ting Chen; Li Li Wu

doi:10.4028/www.scientific.net/AMM.148-149.465

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A Lagrange Type Polymer Drawing Model of the Melt Blowing Nonwoven Process
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 148-149A Lagrange Type Polymer Drawing Model of the Melt...

A Lagrange Type Polymer Drawing Model of the Melt Blowing Nonwoven Process

Abstract:

Melt blowing process can produce superfine fibers. In this processs, the polymer is drawn by high velocity hot air. Lagrange method is empolyed to establish and solve the polymer drawing model. The fiber diameter and vibration are predicted with the model. The predicted fiber diameter concides with the experimental data. The fiber vibration becomes larger and larger with the increase of the die-to-collector distance. Computer simulations show that higher initial air velocity and higher initial polymer temperature can producefiner fibers while initial airtemperature contribute little to the polymer drawing.