Finishing leather with a synthetic carboxylated rubber dispersio

Details Finishing leather with a synthetic carboxylated rubber dispersio Finishing leather with a synthetic carboxylated rubber dispersio

1984-05-15

1986-04-08

Morris, Theodore

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

428473, 428540, D06M 1900, B32B 902, C14C 900

Patent

active

045810346

ABSTRACT:
Leather is finished with a synthetic carboxylated rubber dispersion to which as much as 50% by weight of one or more oxides and/or hydroxides of divalent and/or trivalent metals may have been added, finishing being carried out by a process in which the carboxylated rubber dispersion is prepared by the emulsion feed method, with a conversion of more than 90%, in such a way that it contains from 20 to 60% by weight of carboxylated rubber which is soluble in dimethylformamide at room temperature.

REFERENCES:
patent: 2949386 (1960-08-01), Cassel
patent: 3344103 (1967-09-01), Eilbeck
patent: 3865622 (1975-02-01), Blair
patent: 4330597 (1982-05-01), Heins
Chem. Abstract 97:164,897b, Gevorkyan.

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