METHOD OF PREPARING OF GRANULAR COMPLEX-FORMING SORBENT Russian patent published in 1995 - IPC

Abstract RU 2030423 C1

FIELD: food and perfume industry. SUBSTANCE: method involves copolymerization of N-vinylpyrrolidone with isophthalic acid diallyl ester taken at the mass ratio (0.8-0.6):(0.2-0.4) in the presence of azoisobutyric acid dinitrile taken at concentration 1-2% of comonomers mass. Copolymer of methylmethacrylate with sodium methacrylate is used as a stabilizing agent of suspension copolymerization which is taken at concentration 0.5-0.7% of suspension medium mass. EFFECT: improved method of sorbent preparing. 1 tbl

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RU 2 030 423 C1

Authors

Safronov A.V.

Zubakova L.B.

Nikiforova L.Ja.

Pilina I.Ju.

Dates

1995-03-10—Published

1991-12-16—Filed