Aqueous composition comprising a sulfonated phenol, an amine and a tanning salt, its manufacture and its use as a tanning agent

摘要

aqueous compositions for(a) a umsetzungsprodukt from phenol and e.g.oleum in molverhu00e4ltnis (phenol): (so3) by (1): (1.1 - 2.2), (b) a water soluble niederalkyl or niederalkanolamin, a niederalkylendiamin, a poly dialkylen - polyamin with up to 5 n atoms or a heterocyclischen amine, (c) a water-soluble chromium, aluminiumiron or zirkoniumgerbesalz and, if necessary, (d) a alkalimetallsalz the ethylendiamintetraessigsu00e4ure or a pyrophosphatesby mixing an aqueous solution of the components (a) and, if necessary, (d), first with the component (b) and then with the appropriate aqueous solution as this component (b) is produced and as tannins for tanning or retanning of blu00f6sse l or all kinds of use.