Thermally-transferable polycyclic-aromatic fluorescent materials
First Claim
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1. A donor element for thermal transfer comprising a support having on one side thereof a fluorescent polycyclic-aromatic compound dispersed in a polymeric binder, and on the other side thereof a slipping layer comprising a lubricant, said compound having the formula:
- ##STR7## wherein J represents the atoms necessary to complete one or two aromatic carbocyclic or heterocyclic rings.
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Abstract
A donor element for thermal transfer comprising a support having on one side thereof a fluorescent polycyclic-aromatic compound dispersed in a polymeric binder, and on the other side thereof a slipping layer comprising a lubricant. In a preferred embodiment, the compound has the formula: ##STR1## wherein J represents the atoms necessary to complete one or two aromatic carbocyclic or heterocyclic rings.
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Citations
15 Claims
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1. A donor element for thermal transfer comprising a support having on one side thereof a fluorescent polycyclic-aromatic compound dispersed in a polymeric binder, and on the other side thereof a slipping layer comprising a lubricant, said compound having the formula:
- ##STR7## wherein J represents the atoms necessary to complete one or two aromatic carbocyclic or heterocyclic rings.
- View Dependent Claims (2, 3, 4, 5)
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6. In a process of forming a transfer image comprising imagewise-heating a donor element comprising a support having on one side thereof a layer comprising a material dispersed in a polymeric binder, and on the other side thereof a slipping layer comprising a lubricant, and transferring an image to a receiving element to form said transfer image, the improvement wherein said material is a fluorescent polycyclic-aromatic compound, said compound having the formula:
- ##STR8## wherein J represents the atoms necessary to complete one or two aromatic carbocyclic or heterocyclic rings.
- View Dependent Claims (7, 8, 9, 10)
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11. In a thermal transfer assemblage comprising:
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(a) a donor element comprising a support having on one side thereof a layer comprising a material dispersed in a polymeric binder, and on the other side thereof a slipping layer comprising a lubricant, and (b) a receiving element comprising a support having thereon an image-receiving layer, said receiving element being in a superposed relationship with said donor element so that said material layer is in contact with said image-receiving layer, the improvement wherein said material is a fluorescent polycyclic-aromatic compound, said compound having the formula;
##STR9## wherein J represents the atoms necessary to complete one or two aromatic carbocyclic or heterocyclic rings. - View Dependent Claims (12, 13, 14, 15)
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Specification