Startseite The Processing Behavior of Liquid Sn/Molten Polyethylene during Internal Mixing
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The Processing Behavior of Liquid Sn/Molten Polyethylene during Internal Mixing

  • G. Zhang , T. Liu , X. Liu , Y. Yi , L. Liu , X. Tan , J. Luo , J. He , H. Ma , A. Lu , Z. Deng und Y. Shu
Veröffentlicht/Copyright: 29. April 2014
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Abstract

In our study, liquid tin (Sn) was mixed with molten polyethylene using an internal mixer; the interfacial tension between the liquid Sn and molten polyethylene was measured using the deformed drop retraction method. The results showed that liquid Sn separated when the Sn content was higher than approximately 2 % by volume because of the interfacial tension of up to 167 mN/m and the 106-fold viscosity difference between the liquid Sn and the molten polyethylene. When Sn separation did not occur, the effects of the mixing time and rotary speed on the degree of mixing and the Sn particle size were analyzed using thermogravimetric analysis and scanning electron microscopy. The results showed that the effects of mixing time and rotary speed on the degree of mixing and Sn particle size can be combined as the impact of specific energy input. With increasing specific energy input, the degree of mixing initially increased and subsequently remained constant, while the Sn particle size initially decreased and subsequently remained constant. The refinement of the dispersed phase was completed with a low specific energy input, but the homogenization of the dispersed phase required a higher specific energy input to achieve completion, revealing the relationship between distributive mixing and dispersive mixing.


* Correspondence address Mail address: Jiangping He, Box 919 – 324, Mianyang, Sichuan Prov., 621900, PRC E-mail:

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Received: 2012-04-25
Accepted: 2013-11-19
Published Online: 2014-04-29
Published in Print: 2014-04-29

© 2014, Carl Hanser Verlag, Munich

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Regular Contributed Articles
  4. The Processing Behavior of Liquid Sn/Molten Polyethylene during Internal Mixing
  5. Study on Packing Phase Control Based on the Cavity Pressure-Temperature during Injection Molding
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