Melt devolatilization extrusion processs

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United States of America Patent

PATENT NO 9464175
APP PUB NO 20140323644A1
SERIAL NO

14240861

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Abstract

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Brominated organic polymer solutions from a bromination reaction are devolatilized in a devolatilizing extruder. A starting organic polymer is brominated in solution to form a brominated polymer solution. This solution is combined with a second thermoplastic polymer to form a concentrated solution. The solvent and other volatile compounds are removed from the concentrated solution in a devolatilizing extruder to form a devolatilized polymer blend.

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Patent Owner(s)

Patent OwnerAddress
THE DOW CHEMICAL COMPANY2200 WEST SALZBURG ROAD PO BOX 994 AUBURN MI 48611

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barger, Mark A Midland, US 25 458
Beaudoin, Daniel A Midland, US 11 52
Kim, Eung Kyu Midland, US 8 49
Leng, Ronald B Midland, US 23 26

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