| 摘要 |
Disclosed is a heat and pressure sensitive recording material for recording and duplicating, comprising an up sheet I and a down sheet II, wherein the up sheet I is coated on one surface with a composition A comprising a colorless electron donative organic compound 1 and an acidic organic compound 2 which develops the color of the compound 1 when heat is applied, and is coated on the other side facing the down sheet II with a composition B comprising the compound 1, an encapsulated compound 1' of the compound 1 and a hot metal material 3. The down sheet II is coated on the side facing the up sheet I with a composition C comprising the organic compound 2. The heat and pressure sensitive recording material may further have inserted beween the up sheet I and the down sheet II at least one middle sheet III coated with the composition C on one side and with the composition B on the other side. |
