Process for titanium-based mixed tannings

Details Process for titanium-based mixed tannings Process for titanium-based mixed tannings

1995-05-23

1996-03-19

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 9421, 8 942, 8 9425, 8 9426, 252 857, C14C 304

Patent

active

055000207

ABSTRACT:
The tanning of skins is carried out using a titanium-based compound in a percentage of 5% to 10% and especially of 6% with respect to the pelt weight of the skins; a washing treatment is carried out between a basification phase and a further tanning phase; in said washing phase a sodium (or potassium) salt is introduced in the dry state prior to the water.

REFERENCES:
patent: 1774626 (1930-09-01), Allen et al.
patent: 3938951 (1976-02-01), Motov et al.
patent: 4560384 (1985-12-01), Vanni et al.
patent: 4960429 (1990-10-01), Colom et al.
patent: 4963156 (1990-10-01), Hinley
Ullman's Encyclopedia of Industrial Chemistry, vol. A15, 1990,* 274-277.

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