| 配方类型： |
CEMENT & CERAMICS |
| 配方说明： |
Coloring Stones & Shells |
| 配制方法： |
U.S. Patent 3,079,209 A kerosene solution is prepared containing 10 g per gallon of an oil-soluble dye marketed as Oil Red B and referred to as Solvent Red 26 in the Colour Index, Second Edition. When preparing the solution, the dye is dissolved in a small amount of benzene and poured into the kerosene solvent. The resultant kerosene solution of dye is then charged to a reactor.
White dolomitic limestone chips of a size suitable for the manufacture of terrazzo or stone chip roofs (No.2 terrazzo chips) in the as-quarried, crushed and sized condition and without pretreatment to remove wate or air from the pores is charged to the reactor containing the dye solution. The chips are immersed in the dye solution at ambient temperature and the solution is circulated through the chips over a period of sixteen hours. The resultant chips have a vivid, intense red color which extends throughout the interior without a substantial gradation in intensity. The color is set and the chips do not bleed in water.
U.S. |
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