| abstract |
PROBLEM TO BE SOLVED: To provide a precious metal or copper which has high color saturation, contains a high concentration of colloidal particles of a precious metal or copper, does not aggregate even when added to a paint or a resin, and has a sufficient coloring property. Solid sol, And, a method for producing the solid sol of the noble metal or copper, and Provided are a coating composition and a resin molded product colored using the solid sol of the noble metal or copper. A noble metal or copper solid sol containing noble metal or copper colloid particles and a high molecular weight pigment dispersant. |