Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1975-04-14
1977-01-04
Lusignan, Michael R.
Coating processes
With post-treatment of coating or coating material
Heating or drying
8 12, 8 74, 8 9421, B05D 302
Patent
active
040009580
ABSTRACT:
A method for treating a leather, characterized by treating a leather with a polymer [II] obtained by polymerizing 5 to 2,000 parts by weight of at least one member selected from the group consisting of acrylic esters and methacrylic esters in which the alcohol moiety is a hydrocarbon- or halohydrocarbon-group having 1 to 20 carbon atoms, and 500 parts by weight or less of at least one vinyl compound having the formula: ##STR1## wherein R.sup.I and R.sup.II are independently a hydrogen atom, a halogen atom, a hydrocarbon- or halohydrocarbon-group having 1 to 8 carbon atoms, or Y; Y is a group having 1 to 20 carbon atoms and having a group selected from the group consisting of a carboxyl group, acid halide groups, a hydroxyl group, ether groups, and oxygen-containing cyclic compound residues; R.sup.III is an oxygen atom or >N-R.sup.IV wherein R.sup.IV is a hydrogen atom or a hydrocarbon- or halohydrocarbon-group having 1 to 8 carbon atoms, in the presence of 100 parts by weight of a copolymer [I] comprising as essential components at least one monoethylenically unsaturated ester compound having 4 to 22 carbon atoms, at least one member selected from the group consisting of monoethylenically unsaturated hydrocarbon compounds having 2 to 20 carbon atoms and halogen-substituted derivatives thereof and, if necessary, at least one diene or polyene compound. The thus treated leather causes no color bleed, has no tackiness, and has a coating film high in strength and impact resistance.
REFERENCES:
patent: 2725367 (1955-11-01), Niederhauser
patent: 2824816 (1958-02-01), Somerville et al.
patent: 2828220 (1958-03-01), McWherter et al.
patent: 3269858 (1966-08-01), Mattei
patent: 3291558 (1966-12-01), Bader et al.
patent: 3744969 (1973-07-01), Alps et al.
Fujii Yoshikazu
Hata Kazuhiko
Hirooka Masaaki
Lusignan Michael R.
Sumitomo Chemical Company Limited
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