| 摘要 |
<p>PROBLEM TO BE SOLVED: To eliminate problems comprising requiring a long time and many labors until the finish of a product and enhancing a production cost, because a painting process and a process for coating a heat-sensitive type discoloration ink must separately be carried out and further because the painting process must first be performed, when a pattern painted with a permeable dye is converted into a heat-sensitive perspective pattern which appears or disappears in response to the change of temperature. SOLUTION: This coating material 1 is obtained by mixing a synthetic resin capable of being permeated with a permeable dye with a heat-sensitive type discoloration ink capable of being changed into a transparent state or into an opaque state by the change of temperature. Therein, a condition for mixing the heat-sensitive type discoloration ink is set so that the permeable dye permeated into the synthetic resin disappears, when the heat-sensitive type discoloration ink is opaque, ant appears, when transparent. A heat-sensitive type perspective pattern is obtained only by coating the coating material 1 on an painting article 2 and subsequently permeating a permeable dye thereinto to form a pattern 5.</p> |
