Tanning method

Details Tanning method Tanning method

1982-05-21

1984-04-17

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8 9417, 8 9419R, 8 9421, 8 9427, 8 9432, 8 9433, C14C 1100, C14C 104, C14C 108, C14C 106

Patent

active

044432216

ABSTRACT:
What are disclosed are improved methods for the preparation of leather wherein, in one or more steps for preparing leather from limed animal skins or hides, including beamhouse operations such as deliming, bating, pickling, and degreasing to prepare unhaired tannable hides from animal skins or hides, and including subsequent tanning, retanning, and dyeing steps performed on said unhaired tannable hides, small amounts of a high polymeric water soluble cellulose ether or of an acrylic polymer are added to at least one of the treating baths involved in such method steps as a lubricant for said skins or hides.

REFERENCES:
patent: 490791 (1893-01-01), Mellinger
patent: 1976679 (1934-10-01), Fikentscher et al.
patent: 2768056 (1956-10-01), Kirk
patent: 3408319 (1968-10-01), Rau
patent: 3850575 (1974-11-01), Larsen
patent: 3945792 (1976-03-01), Wurmli et al.
patent: 3986926 (1976-10-01), Monsheimer et al.
patent: 4187074 (1980-02-01), Traubel et al.
Stather, "Gerbereichemie und Gerbereitechnologie" Akademie-Verlag, Berlin (1967), pp. 607-608.
Siebott, "Tylose in der Lederindustrie" (Tylose in the Leather Industry).
"Handbook of Chemistry and Physics", 36th Ed., Chemical Rubber Publishing Co., pp. 1956.

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