| abstract |
A PARTICULATE COMPOSITIONS IS COMPOSED OF ORGANIC PIGMENT PARTICLES ENCAPSULATED WITH AN ACRYLIC INTERPOLYMER. THE ACRYLIC INTERPOLYMER CONSISTS ESSENTIALLY OF, BY WEIGHT, 25 TO 95% ETHYL METHACRYLATE, 5 TO 75% OF AN ACRYLIC MONOMER SELECTED FROM THE GROUP CONSISTING OF N-BUTYL METHACRYLATE, N-BUTYL ACRYLATE, 2-ETHYLHEXYL METHACRYLATE, AND 2-ETHYLHEXYL ACRYLATE, AND -.5 TO 10% OF AN ETHYLENICALLY UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC, ACID, AND ITACONIC ACID, THE ACRYLIC INTERPOLYMER HAVING AN INHERENT VISCOSITY OF 0.1 TO 0.6. THE PARTICULATE COMPOSITIONS HAVE SPECIAL UTILITY AS PIGMENTS FOR ACYLIC TYPE AUTOMOTIVE FINISHES, ESPECIALLY THOSE PROVIDING A METALLIC FINISH. |