Fat-liquoring agent for waterproofing leather and skins

Details Fat-liquoring agent for waterproofing leather and skins Fat-liquoring agent for waterproofing leather and skins

1974-10-29

1976-07-27

Morris, Theodore

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

106 2, 106287R, 252 857, 428473, C14C 902

Patent

active

039716260

ABSTRACT:
A process for preparing waterproof leathers by fat-liquoring with an aqueous liquor containing esters of citric acid with higher fatty alcohols which are used as the impregnating agent, characterized in that the fat-liquoring agent contains a mixture emulsified in water which consists of (A) an acid ester of citric acid with a higher fatty alcohol having chain lengths of 12 to 22 carbon atoms and (B) an organic alcohol solvent for the citric acid ester which is totally or partially soluble in water and which have a boiling point above 100.degree.C.

REFERENCES:
patent: 2672455 (1954-03-01), Carlyle
patent: 2974000 (1961-03-01), Retzsclt
patent: 3276891 (1966-10-01), Heyden
patent: 3749669 (1973-07-01), Luvisi

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