Mill blending apparatus
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United States of America Patent
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N/A
Issued Date -
Jun 19, 2003
app pub date -
Dec 13, 2001
filing date -
Dec 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of coloring thermoplastic olefin resins and pulverizing resin pellets in a single step involving the steps of metering liquid coloring onto resin pellets and then passing the combination of liquid color and resin pellets into a mill blender. The liquid color is metered onto the plastic pellets at a rate of from less than 0.2% to less than 1.0% by weight of the plastic pellets. The mill blender receives the combination of plastic pellets and liquid color and pulverizes the mixture to produce a colored thermoplastic resin powder that is suitable for subsequent processing, such as roto-molding or slush-molding.
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