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IPC

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Application

98121602/04, 1998-11-30

(24)

Start date

1998-11-30

(22)

Actual filing date

1998-11-30

(45)

Published

2000-03-10

(72)

Inventor

Chuprynina N.S.Navrotskij A.V.Novakov I.A.Navrotskij V.A.

(73)

Holder

Volgogradskij Gosudarstvennyj Tekhnicheskij Universitet

COPOLYMER 1 Russian patent published in 2000 - IPC

Abstract RU 2146230 C1

2 DIMETHYL-5-VINYL PYRIDINE METHYL SULFATE AND ACRYLONITRILE AS CATIONIC FLOCCULANT FOR CLEANING CIRCULATING AND WASTE WATER. FIELD: chemical compounds. SUBSTANCE: new chemical compounds, namely copolymer 1.2-dimethyl-5-vinyl pyridine methyl sulfate ((1,2-ДМ-5-ВПМС)) and acrylonitrile ((AH)) which may be used as cationic flocculant for acceleration of thickening and filtration of suspensions and cleaning industrial circulating and waste water. Description of new compound is given: copolymer 1.2-dimethyl-5 vinyl pyridine methyl sulfate and acrylonitrile, common formula (1) where n=3980-4050, m=135-440 which may be used as cationic flocculant for cleaning circulating and waste water. EFFECT: increased degree of cleaning water. 1 tbl

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RU 2 146 230 C1

Authors

Chuprynina N.S.

Navrotskij A.V.

Novakov I.A.

Navrotskij V.A.

Dates

2000-03-10—Published

1998-11-30—Filed

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