Process for preparing a polyolefin composition

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United States of America Patent

PATENT NO 11104036
APP PUB NO 20190337190A1
SERIAL NO

16423829

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Abstract

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A process for continuously preparing a polyolefin composition made from or containing a polyolefin and carbon black in an extruder device. The process includes the steps of supplying polyolefin in form of a polyolefin powder and carbon black to a mixing device; alternatively, (a) measuring the flow rate of the polyolefin powder supplied to the mixing device or (b) measuring the flow rate of the polyolefin pellets prepared in the extruder device; adjusting the flow rate of the carbon black to the mixing device in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder to the mixing device in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the mixture within the extruder device; and pelletizing the polyolefin composition into the polyolefin pellets.

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Patent Owner(s)

Patent OwnerAddress
BASELL POLYOLEFINE GMBH50389 WESSELING

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Damm, Elke Bad Vilbel, DE 23 44
Kruempel, Peter Bad Camberg, DE 4 3
Kuehl, Reinhard Bornheim, DE 15 23
Prang, Harald Erftstadt, DE 10 16

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