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2 154 072

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C1

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IPC

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Application

99123958/04, 1999-11-16

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Start date

1999-11-16

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Actual filing date

1999-11-16

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Published

2000-08-10

(72)

Inventor

Starovojtova Ja.M.Navrotskij A.V.Novakov I.A.Orljanskij V.V.Navrotskij V.A.

(73)

Holder

Volgogradskij Gosudarstvennyj Tekhnicheskij Universitet

COPOLYMER OF 1,2-DIMETHYL-5-VINYLPIRIDINIUM METHYL SULFATE, N-VINYLPYRROLIDONE AND ACRYLAMIDE AS CATIONIC FLOCCULANT FOR PURIFYING CIRCULATING AND SIAGNANT WATER Russian patent published in 2000 - IPC

Abstract RU 2154072 C1

FIELD: chemical industry. SUBSTANCE: described is new chemical compound, particularly, copolymer of 1,2- dimethyl-5-vinyl pyridinium methyl sulfate, N- vinylpyrrolidone and acrylamide. Said compound is useful as cationic flocculant for accelerating processes of thickening and filtering suspensions, purifying industrial circulating and stagnant water. Cationic flocculant for treating circulating and stagnant water is new compound, namely copolymer of 1,2 dimethyl-5- vinylpyridinium methyl sulfate, N-vinylpyrrolidone and acrylamide of general formula: wherein n is 90 mole %, m is 5-9 mole % and p is 1-5 mole % with characteristic viscosity of 1.3-1.8 dl/g in 2 N NaCl solution at 30 C. EFFECT: improved properties of the title compound. 3 ex, 1 tbl

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RU 2 154 072 C1

Authors

Starovojtova Ja.M.

Navrotskij A.V.

Novakov I.A.

Orljanskij V.V.

Navrotskij V.A.

Dates

2000-08-10—Published

1999-11-16—Filed

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