| 摘要 |
PURPOSE:The titled composition consisting of a fluorescent pigment and silica without staining molds or molding machines in coloring thermoplastic resins. CONSTITUTION:A composition consisting of (A) 100pts.wt. fluorescent pigment, e.g. fine powder obtained by dissolving a fluorescent dye such as diphenylmethane based bye, etc., in a thermosetting resin such as phenolic resin, etc., curing the resultant resin and finely pulverizing the resin and (B) 5-1,000 pts.wt. silica, preferably in the form of dry color or masterbatch.
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