| 摘要 |
A pressure-sensitive record color-developing sheet capable of developing thereon clear color images having an excellent light fastness, comprises a substrate layer and a color-developing layer containing an acid color-developing agent, for example, activated clay or aluminum silicate, a binder and a color development-promoting, color fading-preventing agent consisting of a thiourea compound and a zinc compound selected from zinc oxide, zinc hydroxide, and mixtures thereof. |
