METHOD OF PREPARING OF COMPOSITION FOR FUR AND LEATHER GREASING Russian patent published in 1995 - IPC

Abstract RU 2031958 C1

FIELD: fur and leather treatment. SUBSTANCE: method involves oxidative sulfonation of natural fat with sodium bisulfite in the presence of surface-active substance and cobalt nitrate at concentration 0.005-0.05% (as 2% cobalt to the total fat content). Then chloroparaffins (content of bound chlorine is 24-29%) were added to the reaction mass at concentration 35-72 wt.-% of reaction mass, mixture of anion-active and nonionogenic emulsifier taken at the ratio (0.6-0.8):1 at concentration 8-20 wt.-% of reaction mass, and process is carried out at pH 6-8. EFFECT: improved method of greasing. 1 tbl

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RU 2 031 958 C1

Authors

Bel'Skaja L.A.

Korobko T.A.

Ivchenko A.M.

Mal'Tsev L.S.

Demin V.V.

Dates

1995-03-27—Published

1992-11-18—Filed