PROCESS FOR PREPARING ANIONITE Russian patent published in 1994 - IPC

Abstract RU 2015992 C1

FIELD: purification of waste water. SUBSTANCE: chloromethylated styrene-divinylbenzene copolymers are aminated with mono- or polyamines and further treated with acetic anhydride in a liquid or vapor phase at 25-160 C for 3-30 min. EFFECT: improved properties of the anionites. 2 tbl

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RU 2 015 992 C1

Authors

Lejkin Ju.A.

Shkondina L.A.

Dates

1994-07-15—Published

1993-02-08—Filed