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2 074 200

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C1

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IPC

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Application

93035870/04, 1993-07-12

(22)

Actual filing date

1993-07-12

(45)

Published

1997-02-27

(72)

Inventor

Zhdankovich E.L.Arbuzova O.V.Annenkova V.Z.Voronkov M.G.Brodskaja Eh.I.Strashnikova N.V.

(73)

Holder

Irkutskij Institut Organicheskoj Khimii So Ran

CROSS-LINKED CO-CONTAINING POLYACRYLIC ACID AS A SUPERSORBENT Russian patent published in 1997 - IPC

Abstract RU 2074200 C1

FIELD: polymers, sorbents. SUBSTANCE: product: fused Co-containing polyacrylic acid of the formula (I) where: A + B = 91 + 98.52 mole%; Co = 6.05 mole%; D = 0-3 mole%; n = 1, not less. Reagent 1: acrylic acid. Polymerization process conditions: in the presence of Co(NO3)2•6H2O and (NH4)2S2O3 at mole ratio: acrylic acid : Co(NO3)2 6H2O : (NH4)2S2O3 = 1:(0.05-0.075):(0.05-0.75). Compounds of the formula (I) show high coefficient of equilibrium swelling (Q = 675-1290). Synthesized compounds were used in agriculture, leather industry, in medicine and as fertilizers. EFFECT: improved method of synthesis.

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RU 2 074 200 C1

Authors

Zhdankovich E.L.

Arbuzova O.V.

Annenkova V.Z.

Voronkov M.G.

Brodskaja Eh.I.

Strashnikova N.V.

Dates

1997-02-27—Published

1993-07-12—Filed

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