发明名称 Non-calcined lead of a colored pencil
摘要 A non-calcined lead of a colored pencil obtainable by following process: a binder or its solution are added to a mixture comprising a colorant, a body filler, and a solvent as required, and the resultant mixed compound is kneaded, after that, the said solvent is removed, and the resultant mixture is mixed together with O/W emulsion comprising an oily substance being a liquid at ordinary temperature, one or more surfactant(s) having a H.L.B value of not less than 7 nor more than 18 and water, the mixed ingredients are formed, and the water contained in the said O/W emulsion and the said solvent if any remains is removed. A synthetic mica is contained as a lubricant, and the said body filler is at least one compound selected from the group consisting of wollastonite, attapulgite, haloysite kaolin and sepiolite.
申请公布号 US2002139278(A1) 申请公布日期 2002.10.03
申请号 US20020081529 申请日期 2002.02.20
申请人 SAKURA COLOR PRODUCTS CORPORATION 发明人 HASHIMOTO YUKA
分类号 C09D13/00;(IPC1-7):C09D13/00 主分类号 C09D13/00
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