| 摘要 |
A multicolor image-forming material which comprises an image-receiving sheet comprising a support having thereon a coating layer including at least an image-receiving layer, and a plurality of heat transfer sheets each comprising a support having coating layers including at least a light-to-heat converting layer and an image-forming layer, wherein the ratio of the optical density (OD) of the image-forming layer in each heat transfer sheet to the layer thickness, OD/layer thickness (mum unit), is 1.50 or more, the recording area of a multicolor image of the heat transfer sheet is 515 mm or more multiplying 728 mm or more, the definition of a transferred image is 2,400 dpi or more, the coating layer in the image-receiving sheet and/or the coating layers in each heat transfer sheet has at least one layer containing a dispersant and a matting layer having an average particle size of from 0.05 to 50 pm, and the coating layer further contains, if necessary, prescribed specific spherical fine particles and/or a prescribed specific spherical acryl-based polymer.
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