| 摘要 |
PURPOSE:The titled composition capable of drawing a watercolor painting as an ordinary water colors, foaming and expanding under heating at high temperature to form appearance in ceramic state, consisting of pigment, water-soluble high polymer, water, and clays having a specific composition ratio. CONSTITUTION:(A) Pigment preferably of heat-resistant inorganic pigment is blended with (B) a water-soluble high polymer (preferably hydroxypropyl cellulose, hydroxyethyl cellulose, etc.) wherein preferably a water-soluble resin is one or more cellulosic water-soluble high polymer, (C) water, (D) clays having a composition comprising 55-65wt% SiO2, 15-25wt% Al2O3, 7-15wt% Fe2O3, 1- 7wt% CaO, 0.5-7wt% MgO, 0.3-0.5wt% S, and 0.5-0.7wt% SO3, wetting agent, etc. Preferably 100pts.wt. composition comprises 10-30pts.wt. component A, 5- 20pts.wt. component B, 20-35pts.wt. component C, and 20-50pts.wt. component D.
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