| abstract |
THE INVENTION RELATES TO NEW PIGMENTARY PREPARATIONS. THE PREPARATIONS OF THE INVENTION CONTAIN 2 TO 70 BY WEIGHT, IN RELATION TO THE TOTAL PREPARATION, OF A MINERAL OR ORGANIC PIGMENT IN DISPERSION IN A SOLUTION OF 10 TO 49 BY WEIGHT, IN RELATION TO THE TOTAL PREPARATION, OF A COPOLYMERIZATION PRODUCT INSOLUBLE IN WATER, IN AN ORGANIC SOLVENT, THE COPOLYMERIZATION PRODUCT CONTAINING 40 TO 60 BY WEIGHT OF ETHYL ACRYLATE, 30 TO 50 BY WEIGHT OF METHYL METHACRYLATE AND 5 TO 15 BY WEIGHT OF ACRYLATE OR OF METHACRYLATE OXYETHYL AND PROPYL AND OBTAINED AT 50-170C IN THE PRESENCE OF 0.5 A5.0 BY WEIGHT, IN RELATION TO THE SUM OF MONOMERS, OF AN ORGANIC PERFORMANCE OR OF A NITROGEN COMPOUND GENERATING RADICALS AT 50-170C, IN AN ORGANIC SOLVENT. APPLICATION TO PIGMENTATION OF LEATHER PRIMERS AND LEATHER SUBSTITUTES. |