Heat-sensitive transfer image receiving sheet and method for producing heat-sensitive transfer image-receiving sheet

Abstract

A heat-sensitive transfer image-receiving sheet comprising at least one receiving layer containing a polymer latex and at least one heat insulating layer containing a hollow polymer on a support, wherein the polymer latex contained in the receiving layer comprises two or more dyable polymers having different glass transition temperatures.

Description

Claims

1. A heat-sensitive transfer image-receiving sheet comprising at least one receiving layer containing a polymer latex and at least one heat insulating layer containing a hollow polymer on a support, wherein the receiving layer comprises two or more dyable polymers having different glass transition temperatures.

2. The heat-sensitive transfer image-receiving sheet according to claim 1, wherein among the two or more polymer latexes contained in the receiving layer, the polymer latex having the lowest glass transition temperature has a glass transition temperature of 0° C. to 60° C. and the polymer latex having the highest glass transition temperature has a glass transition temperature of 60° C. to 100° C.

3. The heat-sensitive transfer image-receiving sheet according to claim 1, wherein the weighted-averaged glass transition temperature of the at least two polymer latexes contained in the receiving layer is 40° C. to 70° C.

4. The heat-sensitive transfer image-receiving sheet according to claim 1, wherein the receiving layer comprises a copolymer containing a repeating unit derived from vinyl chloride.

5. The heat-sensitive transfer image-receiving sheet according to claim 1, wherein the heat insulating layer containing a hollow polymer is free of resin having no resistance to organic solvents besides the hollow polymer.

6. The heat-sensitive transfer image-receiving sheet according to claim 1, wherein the receiving layer and/or heat insulating layer comprises a water-soluble polymer.

7. The heat-sensitive transfer image-receiving sheet according to claim 6, wherein the receiving layer and/or heat insulating layer containing a water-soluble polymer contains a compound capable of crosslinking the water-soluble polymer and the water-soluble polymer is partly or entirely crosslinked.

8. A method for producing a heat-sensitive transfer image-receiving sheet comprising simultaneously spreading at least one receiving layer coating solution containing a polymer latex made of two or more dyable polymers having different glass transition temperatures and at least one heat insulating layer coating solution containing a hollow polymer but free of resin having no resistance to organic solvents excluding the hollow polymer over a support in this order to form at least one receiving layer and at least one heat insulating layer on the support.

9. The method for producing a heat-sensitive transfer image-receiving sheet according to claim 8, wherein among the two or more polymer latexes contained in the receiving layer coating solution, the polymer latex having the lowest glass transition temperature has a glass transition temperature of 0° C. to 60° C. and the polymer latex having the highest glass transition temperature has a glass transition temperature of 60° C. to 100° C.

10. The method for producing a heat-sensitive transfer image-receiving sheet according to claim 8, wherein the weighted-averaged glass transition temperature of the at least two polymer latexes contained in the receiving layer coating solution is 40° C. to 70° C.