Process for preparing acrylic organosol coating compositions
Abstract
Abstract THE IMPROVED PROCESS FOR PREPARING AN ACRYLIC ORGANOSOL COATING COMPOSITION COMPRISES THE FOLLOWING STEPS: (1) BLENDING TOGETHER PIGMENT, AN ORGANIC DISPERSANT, AN ACRYLIC ORGANOSOL AND A MONOMERIC PLASTICIZER; (2) HEATING THE PIGMENT BLEND PREPARED ABOVE THE APPLYING A VACUUM TO REMOVE SOLVENT AND FORM A POWDER; (3) HIGH SHEAR MIXING THE POWDER BY CHARGING THE POWDER INTO A ROLL MILL TO FORM PIGMENT CHIPS; (4) FORMING A MILL BASE BY DISSOLVING THE PIGMENT CHIPS IN AN ORGANIC SOLVENT; AND (5) BLENDING THE MILL BASE WITH AN ACRYLIC ORGANOSOL TO FORM AN ACRYLIC ORGANOSOL COATING COMPOSITION; THE RESULTING ACRYLIC ORGANOSOLS ARE PARTICULARLY USEFUL AS FINISHES FOR THE EXTERIOR OF AUTOMOBILES AND TRUCKS.
Inventors
- 👤 G Orvis
Bibliographic Details
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