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2 046 805

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IPC

(21) (22)

Application

5034900/05, 1992-02-24

(22)

Actual filing date

1992-02-24

(45)

Published

1995-10-27

(72)

Inventor

Kronman A.G.Tarasova G.A.Kolesnikov V.Ja.Aranovich L.A.Mamakin V.V.Smirnova L.M.Kalutskaja I.A.

(73)

Holder

Gosudarstvennoe Predprijatie

METHOD OF SYNTHESIS OF CHLORINATED POLYVINYL CHLORIDE Russian patent published in 1995 - IPC

Abstract RU 2046805 C1

FIELD: chemical technology. SUBSTANCE: method involves treatment of vinyl chloride polymer solution in chlorobenzene with gaseous chlorine in the presence of azobis-isobutyronitrile at 100-105 C followed by isolation of chlorinated polyvinyl chloride. Copolymer of vinyl chloride with 1.5-4.0 wt. -% monoester on the basis of maleic anhydride and hydroxyethylated C₁-C₃-alcohol is used as polymer. Product is used for production of chemically stable coatings. EFFECT: improved method of synthesis. 1 tbl

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RU 2 046 805 C1

Authors

Kronman A.G.

Tarasova G.A.

Kolesnikov V.Ja.

Aranovich L.A.

Mamakin V.V.

Smirnova L.M.

Kalutskaja I.A.

Dates

1995-10-27—Published

1992-02-24—Filed