发明名称 COLOR PENCIL LEAD
摘要 PURPOSE: To provide a color pencil lead excellent in fluorescent color development, tinting power (density) and flexural strength more particularly a 2mmϕcp or thinner color pencil lead desirable for a sharp pencil. CONSTITUTION: This lead is a nonfired color pencil lead prepared by kneading at least an organic binder, an extender, a colorant and optionally a lubricant and a plasticizer and molding the obtained mixture, wherein the colorant comprises a fluorescent pigment and 0.2-1.0wt.%, based on the fluorescent pigment, nonfluorescent organic pigment of the same hue.
申请公布号 JPH0873799(A) 申请公布日期 1996.03.19
申请号 JP19940238512 申请日期 1994.09.06
申请人 PENTEL KK 发明人 MIYAHARA YUICHI;SHIMOYAMA SHIN
分类号 C09D13/00;(IPC1-7):C09D13/00 主分类号 C09D13/00
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