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2 012 564

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IPC

(21) (22)

Application

5005192/05, 1991-07-09

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Actual filing date

1991-07-09

(45)

Published

1994-05-15

(72)

Inventor

Rustamov Ja.I.Ehfendiev A.A.Sadykhov F.M.Avlastimov L.P.Samedova T.A.Oruzhdev S.S.Karamamedov G.A.Guliev T.M.Ragimov Eh.V.Abdullaev A.T.Dzhafarov A.P.

(73)

Holder

Institut Polimernykh Materialov An Azerbajdzhanskoj Respubliki

METHOD OF CARBOXYMETHYLCELLULOSE PRODUCING Russian patent published in 1994 - IPC

Abstract RU 2012564 C1

FIELD: chemical technology. SUBSTANCE: viscose cellulose is treated with 22% aqueous solution of sodium hydroxide. Waste of cotton-purifying plants are treated with 28% aqueous solution of sodium hydroxide, and reaction solutions are combined. Mass ratio of viscous cellulose and waste is (50-90): (10-50). Obtained alkaline cellulose is alkylated with sodium monochloroacetate following by maturation. Carboxymethylcellulose is dried. EFFECT: improved method of carboxymethylcellulose producing. 1 tbl

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RU 2 012 564 C1

Authors

Rustamov Ja.I.

Ehfendiev A.A.

Sadykhov F.M.

Avlastimov L.P.

Samedova T.A.

Oruzhdev S.S.

Karamamedov G.A.

Guliev T.M.

Ragimov Eh.V.

Abdullaev A.T.

Dzhafarov A.P.

Dates

1994-05-15—Published

1991-07-09—Filed