Influence of Kneading Blocks on the Mixing Effect of PE-HD/PS Immiscible Blend in Intermeshing Counter-rotating Twin Screw Extruder

doi:10.19491/j.issn.1001-9278.2010.09.023

China Plastics ›› 2010, Vol. 24 ›› Issue (09): 94-98 .DOI: 10.19491/j.issn.1001-9278.2010.09.023

Received:2010-05-19 Revised:1900-01-01 Online:2010-09-26 Published:2010-09-26

Abstract

Abstract:

Kneading blocks were a introduced into regular intermeshing counter-rotating twin-screw extruder to enhance its mixing performance. PE-HD/PS blends were mixed with this equipment and the resulted morphology and diameter of dispersed phase (PS) were investigated using SEM. It showed that the kneading blocks did improve the mixing power and the thickness of the kneading disc and staggering angle had impact on the mixing effect.

Key words: intermeshing counter-rotating twin screw extruder, kneading blocks, mixing

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Influence of Kneading Blocks on the Mixing Effect of PE-HD/PS Immiscible Blend in Intermeshing Counter-rotating Twin Screw Extruder

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