Combination of thermal transfer film and thermally sensitive color developing paper and recording method

Abstract

The present invention uses a thermal transfer film in combination with a thermally sensitive color developing paper. The hue of the thermal transfer ink layer or the hue of the developed color of the color developing paper can be recorded on the color developing paper when the applied energy is low, and a plurality of colors can be recorded on the color developing paper by color mixture of the transfer from the thermal transfer ink layer and the developed color of the color developing paper when the applied energy is high.

What is claimed is:  
     
         1 . A combination of a thermal transfer film and a thermally sensitive color developing paper, with the thermal transfer film provided with a thermally fusible ink layer to be transferred onto the thermally sensitive color developing paper on one surface of a substrate film, and the thermally sensitive color developing paper capable of developing a color of a hue different from that of the thermally fusible ink layer of the thermal transfer film, 
 wherein a red hue can be recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink or by the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively low,    a plurality of colors can be recorded on the thermally sensitive color developing paper according to a color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high, and    a* is 40 to 70, b* is 0 to 25, and C* is 40 to 75 in the red hue recorded by the transfer of the thermally fusible ink or by the developed color of the thermally sensitive color developing paper, and a* is 0 to 20, b* is 0 to 10, and C* is 0 to 20 in the black hue recorded by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper.    
     
     
         2 . The combination according to  claim 1 , wherein the thermally fusible ink layer of the thermal transfer film has a red hue and the thermally sensitive color developing paper generates a black hue of |a*|≦5 and |b*|≦3.  
     
     
         3 . The combination according to  claim 1 , wherein a pigment of a C. I. Pigment red 177 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         4 . The combination according to  claim 1 , wherein a pigment of a C. I. Pigment blue 15:4 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         5 . The combination according to  claim 1 , wherein a black pigment is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         6 . The combination according to  claim 1 , wherein the thermal transfer film and the thermally sensitive color developing paper are peelably bonded together with the thermally fusible ink layer and the color developing surface facing to each other.  
     
     
         7 . The combination according to  claim 1 , wherein the thermal transfer film and the thermally sensitive color developing paper are peelably bonded together via a temporary adhesive layer.  
     
     
         8 . A combination of a thermal transfer film and a thermally sensitive color developing paper, with the thermal transfer film provided with a thermally fusible ink layer to be transferred onto the thermally sensitive color developing paper on one surface of a substrate film, 
 wherein the thermally fusible ink layer contains at least one selected from the group consisting of blue, green, red, purple, and black pigments, and    the thermally sensitive color developing paper is capable of developing a color with hue of any one selected from the group consisting of black, blue, and red, which is different from the hue of the thermally fusible ink layer of the thermal transfer film.    
     
     
         9 . The combination according to  claim 8 , wherein a blue hue can be recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink or by the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively low, 
 a plurality of colors can be recorded on the thermally sensitive color developing paper according to a color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high, and    a* is 0 to 30, b* is −40 to −70, and C* is 30 to 77 in the blue hue recorded by the transfer of the thermally fusible ink or by the developed color of the thermally sensitive color developing paper, and a* is −10 to 10, b* is −15 to 10, and C* is 0 to 18 in the black hue recorded by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper.    
     
     
         10 . The combination according to  claim 8 , wherein a purple hue can be recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case the applied energy is relatively low, 
 a plurality of colors can be recorded on the thermally sensitive color developing paper according to a color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high, and    a* is 30 to 50, b* is −30 to −50, and C* is 42 to 71 in the purple hue recorded by the transfer of the thermally fusible ink, and a* is −10 to 20, b* is −15 to 10, and C* is 0 to 25 in the black hue recorded by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper.    
     
     
         11 . The combination according to  claim 8 , wherein a green hue can be recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case. the applied energy is relatively low, 
 a plurality of colors can be recorded on the thermally sensitive color developing paper according to a color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high, and    a* is −40 to −70, b* is −15 to 5, and C* is 0 to 72 in the green hue recorded by the transfer of the thermally fusible ink, and a* is −5 to 15, b* is −70 to −30, and C* is 30 to 72 in the blue hue recorded by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper.    
     
     
         12 . The combination according to  claim 8 , wherein a pigment of a C. I. Pigment red 177 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         13 . The combination according to  claim 8  or  9 , wherein a pigment of a C. I. Pigment blue 15:4 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         14 . The combination according to any one of  claims 8  to  10 , wherein a black pigment is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         15 . The combination according to  claim 8 , wherein the thermal transfer film and the thermally sensitive color developing paper are peelably bonded together with the thermally fusible ink layer and the color developing surface facing to each other.  
     
     
         16 . The combination according to  claim 15 , wherein the thermal transfer film and the thermally sensitive color developing paper are peelably bonded via a temporary adhesive layer.  
     
     
         17 . A recording method of heating a thermal transfer film and a thermally sensitive color developing paper brought into contact with each other, using 
 a thermal transfer film provided with a thermally fusible ink layer on one surface of a substrate film, capable of recording a red hue with a* 40 to 70, b* 0 to 25, and C* 40 to 75 on the color developing surface of the thermally sensitive color developing paper at a thermal transfer temperature lower than the color developing temperature of the thermally sensitive color developing paper, and    a thermally sensitive color developing paper capable of generating a hue different from that of the thermally fusible ink layer of the thermal transfer film, for recording a black hue with a* 0 to 20, b* 0 to 10, and C* 0 to 20 by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper,    wherein a red hue is recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case the applied energy is relatively low, and    a plurality of colors is recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.    
     
     
         18 . The recording method according to  claim 17 , wherein a pigment of a C. I. Pigment red 177 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         19 . A recording method of heating a thermal transfer film and a thermally sensitive color developing paper brought into contact with each other, using 
 a thermal transfer film provided with a thermally fusible ink layer on one surface of a substrate film, capable of recording a hue different from the developed color of the thermally sensitive color developing paper on the color developing surface of the thermally sensitive color developing paper, and    a thermally sensitive color developing paper capable of generating a red hue with a* 40 to 70, b* 0 to 25, and C* 40 to 75 at a temperature lower than the thermal transfer temperature of the thermal transfer film as well as a black hue with a* 0 to 20, b* 0 to 10, and C* 0 to 20 by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper,    wherein a red hue is recorded on the thermally sensitive color developing paper by the color development of the thermally sensitive color developing paper in the case the applied energy is relatively low, and    a plurality of colors is recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.    
     
     
         20 . The recording method according to  claim 19 , wherein a pigment of a C. I. Pigment blue 15:4 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         21 . The recording method according to  claim 19 , wherein a black pigment is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         22 . A recording method of heating a thermal transfer film and a thermally sensitive color developing paper brought into contact with each other, using 
 a thermal transfer film provided with a thermally fusible ink layer containing at least one selected from the group consisting of blue, green, red, purple and black pigments, on one surface of a substrate film, having a thermal transfer temperature lower than the color developing temperature of the thermally sensitive color developing paper, and    a thermally sensitive color developing paper for generating black, blue or red, capable of generating a hue different from that of the thermally fusible ink layer of the transfer film,    wherein the hue of the thermally fusible ink is recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case the applied energy is relatively low, and    a plurality of colors are recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive-color developing paper in the case the applied energy is relatively high.    
     
     
         23 . The recording method according to  claim 22 , wherein the thermal transfer film is capable of recording a blue hue with a* 0 to 30, b* −30 to −70, and C* 30 to 77 on the color developing surface of the thermally sensitive color developing paper at a thermal transfer temperature lower than the color developing temperature of the thermally sensitive color developing paper, 
 the thermally sensitive color developing paper is capable of recording a black hue with a* −10 to 10, b* −15 to 10, and C* 0 to 18 by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper,  
 a blue hue is recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case the applied energy is relatively low, and  
 a plurality of colors are recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.  
 
     
     
         24 . The recording method according to  claim 22 , wherein the thermal transfer film is capable of recording a purple hue with a* 30 to 50, b* −30 to −50, and C* 42 to 71 on the color developing surface of the thermally sensitive color developing paper at a thermal transfer temperature lower than the color developing temperature of the thermally sensitive color developing paper, 
 the thermally sensitive color developing paper is capable of recording a black hue with a* −10 to 20, b* −15 to 10, and C* 0 to 25 by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper,  
 a purple hue is recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case the applied energy is relatively low, and  
 a plurality of colors are recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.  
 
     
     
         25 . The recording method according to  claim 22 , wherein the thermal transfer film is capable of recording a green hue with a* −40 to −70, b* −15 to 5, and C* 0 to 72 on the color developing surface of the thermally sensitive color developing paper at a thermal transfer temperature lower than the color developing temperature of the thermally sensitive color developing paper, 
 the thermally sensitive color developing paper is capable of recording a blue hue with a* −5 to 15, b* −70 to −30, and C* 30 to 72 by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper,  
 a green hue is recorded on the thermally sensitive color developing paper by the transfer of the thermally fusible ink in the case the applied energy is relatively low, and  
 a plurality of colors are recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.  
 
     
     
         26 . The recording method according to  claim 22 , wherein a pigment of a C. I. Pigment red 177 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         27 . The recording method according to  claim 22  or  23 , wherein a pigment of a C. I. Pigment blue 15:4 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         28 . The recording method according to any one of  claim 22 , wherein a black pigment is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         29 . A recording method of heating a thermal transfer film and a thermally sensitive color developing paper brought into contact with each other, using 
 a thermal transfer film provided with a thermally fusible ink layer containing at least one selected from the group consisting of blue, green, red, purple and black pigments, on one surface of a substrate film, and    a thermally sensitive color developing paper for generating black, blue or red, capable of generating a hue different from that of the thermally fusible ink layer of the transfer film, having a color developing temperature lower than the thermal transfer temperature of the thermal transfer film,    wherein the hue of the thermally sensitive color developing paper is recorded in the case the applied energy is relatively low, and a plurality of colors are recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.    
     
     
         30 . The recording method according to  claim 29 , wherein the thermally sensitive color developing paper capable of generating a blue hue with a* 0 to 30, b* −30 to −70, and C* 30 to 77 at a temperature lower than the thermal transfer temperature of the thermal transfer film as well as a black hue with a* −10 to 10, b* −15 to 10, and C* 0 to 18 by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper, 
 a blue hue is recorded on the thermally sensitive color developing paper by the color development of the thermally sensitive color developing paper in the case the applied energy is relatively low, and  
 a plurality of colors are recorded on the thermally sensitive color developing paper by the color mixture of the transfer of the thermally fusible ink and the developed color of the thermally sensitive color developing paper in the case the applied energy is relatively high.  
 
     
     
         31 . The recording method according to  claim 29 , wherein a pigment of a C. I. Pigment red 177 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         32 . The recording method according to  claim 29 , wherein a pigment of a C. I. Pigment blue 15:4 is contained in the thermally fusible ink layer of the thermal transfer film.  
     
     
         33 . The recording method according to  claim 29  or  30  wherein a black pigment is contained in the thermally fusible ink layer of the thermal transfer film.