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Filled Plastics

Notes

From 09/23/2014 through 3/28/2013

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Filled Plastics: Applications

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Notes

1. Plastics can be filled with many materials. Generally fillers are isotropic particles or nearly isotropic. Usually they an non-reinforcing depending on the interaction with the matrix. (RDC 11/4/2011)

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2. In addition to their increasing cost, wood fillers have several drawbacks. These fillers have a strong wood color that is very difficult to hide in plastic resins.  In addition, lubricant is needed for extrusion, and the resulting composite is not completely hydrophobic.  Wood flour and wood fiber readily adsorb large amounts of water.  Nie et al developed an improved wood replacement consisting of 20 to 80 wt% granular starch replacing wood filler, 0 to 15 wt% fiber, 20 to 78 wt% synthetic resin, 0.5 to 4 wt% compatibilizer.  Other additives such as lubricants, foaming agent, colorants, fillers, antimicrobial agents, and UV stabilizers may be added.   

US Patent 8,802,754 (August 12, 2014) Li Nie, Sukh D. Bassi, Clodualdo C. Maningat, and Michael Douglas Parker (MGPI Processing, Inc., Atchison, Kansas, USA).

 

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Interested!!
Bookmark this page to follow future developments!.
(RDC 6/5/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

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Copyright 2013 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 3/28/2013.