Patent ID: 6773628
Filing Date: 2004-08-10
Classification: C09D,C09K

Abstract:
A liquid color phosphorescent material including a mixture which comprises:a stock solution consisting of thermoplastic resin and an organic solvent; a colorant containing a coloring pigment; a color-emitting phosphorescent fine pigment particle having an average particle diameter of 7 &mgr;m or less; and an additive for stably dispersing pigments containing a cellulose-based synthetic resin, silica-based powder, cyclohexanone, isophorone and mineral spirit; wherein pigment particles of said colorant and said color-emitting phosphorescent fine pigment particle are enabled to be always maintained in a substantially uniform dispersion stage in all of the three-dimensional direction irrespective of when the phosphorescent material is in a liquefied state, in a transition period from a liquid state to a solid state, or in a solid state.