Process for preparing a polyolefin composition

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United States of America Patent

PATENT NO 10899041
APP PUB NO 20190329451A1
SERIAL NO

16507987

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Abstract

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A process for continuously preparing a polyolefin composition made from or containing a bimodal or multimodal polyolefin and one or more additives in an extruder device equipped with at least one hopper. The process includes the steps of supplying a bimodal or multimodal polyolefin in form of a polyolefin powder to the hopper; (a) measuring the flow rate of the polyolefin powder or (b) measuring the flow rate of the prepared polyolefin pellets; supplying one or more additives to the hopper; adjusting the flow rates of the additives supplied to the hopper in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the polyolefin powder and additives within the extruder device; and pelletizing the molten 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
Pyman, Phil Lymm, GB 6 8

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