| 摘要 |
A RESIN-COATED METALLIC PIGMENT HAVING A RESIN LAYER FORMED ON SURFACE OF A METALLIC PIGMENT BY POLYMERIZATION CARRIED OUT BY USING (A) AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF RADICAL-POLYMERIZABLE UNSATURATED CARBOXYLIC ACIDS, AND/OR, PHOSPHORIC MONO- OR DIESTERS HAVING ONE OR TWO RADICAL-POLYMERIZABLE DOUBLE BONDS, AND/OR, COUPLING AGENTS HAVING A RADICAL-POLYMERIZABLE DOUBLE BOND, (B) AT LEAST ONE MONOMER HAVING THREE OR MORE RADICAL-POLYMERIZABLE DOUBLE BONDS, AND (C) A POLYMERIZATION INITIATOR, ADDING (A) AT FIRST TO TREAT A METALLIC PIGMENT, FOLLOWED BY CONTINUOUS AND SUPPLEMENTARY ADDITION, LITTLE BY LITTLE, OF AT LEAST ONE OF (B) AND (C), WHICH RESIN-COATED METALLIC PIGMENT GIVES A METALLIC COATING FILM EXCELLENT IN WEATHER RESISTANCE, CHEMICAL RESISTANCE, AND GLOSS, AND IS EXCELLENT IN STORAGE STABILITY IN AN AQUEOUS COATING MATERIAL; AND A METALLIC COATING MATERIAL OBTAINED BY USING SAID RESIN-COATED METALLIC PIGMENT.
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