Preparation of chlorinated polyolefins

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United States of America Patent

PATENT NO 4524189
SERIAL NO

06591653

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Abstract

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Method and apparatus for the chlorination of polyolefins in aqueous suspension. The method includes subjecting the suspension of the polyolefin to a submerged jet of chlorine gas at a velocity sufficient to atomize the chlorine; i.e., at least about sixty feet per second. By this method a very intimate mixture of chlorine and aqueous suspension is formed, whereby the chlorination proceeds more efficiently and at a lower chlorine pressure. Further advantages include a more uniformly-substituted product.

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Patent Owner(s)

Patent OwnerAddress
DOW CHEMICAL COMPANY THE2030 DOW CENTRE ABBOTT ROAD MIDLAND MICHIGAN 48640 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akers, Jr James B Baton Rouge, LA 3 7
Leng, Douglas E Midland, MI 5 179
Normand, Randall J Plaquemine, LA 2 1

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