Process for preparing an aqueous formulation with a sulfonated phenol, an amine and tanning salt, and their use as tanning.

摘要

AQUEOUS COMPOSITIONS: (A) a reaction product of phenol, and for example, oleum MOLAR RATIO (phenol) :( SO3) DE (1) :( 1.1-2.2), (b) alkylamine or alkanolamine, INFERIOR SOLUBLE, an alkylenediamine LOWER A POLIDIALQUILENPOLIAMINA with 3 to 5 nitrogen atoms or a heterocyclic amine (C) A SALT tanning HIDROSOLUBLE chrome, aluminum, iron or zirconium, and optionally (D) an alkali metal salt OF ACIDOETILENDIAMINTETRACETICO OR pyrophosphate, they are made by mixing an aqueous of components (A) solution, and optionally (D), first with component (B) and then with component (D), presented optionally as aQUEOUS sOLUTION. These compositions find application as for leather Waxed TANNING TANNING OR BACK OF ALL KINDS OF HIDES.