Leather dressing

Details Leather dressing Leather dressing

D - Textiles, Paper

01

C

8/93.69

D01C 3/00 (2006.01) C09D 175/04 (2006.01) C14C 11/00 (2006.01)

Patent

CA 1066856

ABSTRACT OF THE DISCLOSURE The present invention relates to an aqueous dispersion for the final dressing of leather, which consists essentially of a mixture of a) an aqueous emulsion of a nitrocellulose solution in organic solvents which are immiscible with water, liquid at the use temperature and sufficiently volatile at 100 to 150°C containing 3 to 20% by weight based on the solution, of nitrocellulose and 10 to 100% by weight, based on nitro- cellulose, of a plasticizer and further containing a non-ionic emulsifier, and b) an aqueous dispersion of a polyurethane- ionomer with 0.02 to 0.2 percent of salt-like groups and wherein the ratio of a) to b), based on the weights of the aqueous emulsions or dispersions, is from 1:0.1 to 1:10.

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