| 摘要 |
This invention is directed to an improved process of oiling and impregnating leather or pelts in which the leather or pelts are contacted with one or more oiling substances in an aqueous liquor, wherein the improvement comprises using an alkylolamide ether sulfate or phosphate of fatty acids of the formula R-CO-NH-(CH2)n-O-(CH2-CH2-O)mX wherein R represents an aliphatic radical of from about 13 to 19 carbon atoms; n is a number of from 2 to 4; m is a number of from 1 to 4; X is -SO3Y or -PO(OY)2; and Y is a sodium, potassium, or ammonium anion as an oiling substance in the liquor bath. |
