LEATHER DRESSING
    2.
    发明专利

    公开(公告)号:CA1066856A

    公开(公告)日:1979-11-27

    申请号:CA205371

    申请日:1974-07-19

    Applicant: BASF AG

    Abstract: 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.degree.C containing 3 to 20% by weight based on the solution, of nitrocellulose and 10 to 100% by weight, based on nitrocellulose, of a plasticizer and further containing a non-ionic emulsifier, and b) an aqueous dispersion of a polyurethaneionomer 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.

Patent Agency Ranking