Advanced polymer/wood composite pellet process
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United States of America Patent
Stats
-
Dec 9, 1997
Grant Date -
N/A
app pub date -
Oct 20, 1994
filing date -
Feb 12, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A polyvinyl chloride and wood composite pellet by extrusion. The polyvinyl chloride and wood fiber are introduced into the extruder at a ratio of approximately 6:4 by weight, respectively. The polyvinyl chloride is melted and blended with the wood fiber so that the interstitial voids of the wood fiber are filled with polyvinyl chloride. After being extruded through a die, the molten material is cut into pellets having a bulk density of preferably between 0.7 to 0.8 gm/mm.sup.3.
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