MOISTURE-SWELLING SOIL CONDITIONER AND A METHOD OF PREPARATION THEREOF Russian patent published in 2002 - IPC

Abstract RU 2189382 C2

FIELD: agriculture. SUBSTANCE: soil conditioner that can be used in plant cultivation field to improve water regime of soil contains polymeric hydrogel based on acrylic polymer and clayey mineral as filler taken in weight ratio from 1:0.25 to 1:1.5. Clayey mineral can be bentonite or padygorskite clay. Hydrogel is prepared via acrylic monomer polymerization in aqueous medium in presence of 0.025-0.15% (on the monomer weight) of N,N'-methylene-bis-acrylamide (crosslinking agent) during agitation with clayey mineral. EFFECT: improved moisture absorption capacity and simplified preparation procedure. 3 cl, 3 tbl, 6 ex

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RU 2 189 382 C2

Authors

Cherkasov A.V.

Epishina G.P.

Bajburdov T.A.

Stupen'Kova L.L.

Dates

2002-09-20—Published

1998-07-02—Filed