Process for the filling of leather and compositions therefor

Details Process for the filling of leather and compositions therefor Process for the filling of leather and compositions therefor

1973-02-28

1976-03-23

Padgett, Benjamin R.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 941R, 8 9432, 8 9433, 252 857, C14C 1100

Patent

active

039457923

ABSTRACT:
A process for the filling of leather tanned with mineral, vegetable and/or synthetic tanning agents by treating the leather, in the acid pH-range , with an aqueous solution of a filling agent consisting of unsubstituted or substituted homo- or copolymeric acrylic acids and protein glue, alone or in admixture with further additives, as well as dry or liquid compositions thereof, are disclosed; thereby an even fullness of the leather is obtained without impairing the handle, the buffing properties, the tightness of the grain, the fine grain or the dyeability of said leathers.

REFERENCES:
patent: 171753 (1876-01-01), Adams
patent: 1345430 (1920-07-01), Zdanowski
patent: 1378213 (1921-05-01), Brant et al.
patent: 1962444 (1934-06-01), Hesselberger
patent: 2015864 (1935-10-01), Muller et al.
patent: 2220867 (1940-11-01), Kirk
patent: 2452536 (1948-11-01), Kirk
"Resin Dispersion for Sealing and Finishing Leather," F.I.A.T. (B.I.O.S.), Final Report No. 1108, 1947, p. 178.

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