Maro Publications

Mixing

Notes

*1/11/2013 
from 5/23/2012

Maro Topics

Patent Titles

Compounding

Kneading

Wet Grinding

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Notes

Mixing is to combine (substances, elements, things, etc.) into one mass, collection, or assemblage, generally with a thorough blending of the constituents. (Dictionary, Mixing, 5/23/2012)

The first step in most plastic fabrication procedures is compounding, the mixing together of various raw materials in proportions according to a specific recipe. Most often the plastic resins are supplied to the fabricator as cylindrical pellets (several millimetres in diameter and length) or as flakes and powders. Other forms include viscous liquids, solutions, and suspensions.” (Encyclopedia Britannica, Mixing Plastics, 8/10/2011)

“Distributive mixing involves stretching, dividing and reorienting the flow of the polymer melt compound in order to eliminate local variations in material distribution”

“Dispersive mixing involves generating high stresses (shear and elongational) in the material to break down dispersed particles. These particles may be insoluble fillers (composites) or a second polymer melt (blend).”

[Queens University, Distributive and Dispersive Mixing, 8/10/2011)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

Maro Polymer Links
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Copyright 2012 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen
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* Date of latest addition; date of first entry is 5/23/2012.