Image forming unit
An image forming unit comprising: a thermal transfer material containing an image forming layer; an image receiving material; and a material to be transferred, onto which an image formed on the image receiving material by transferring the image forming layer onto the image receiving material is to be transferred by heat, wherein the image forming layer transferred onto the image receiving material has a surface energy of more than 24.0 mJ/m 2 .
1 . An image forming unit comprising:
a thermal transfer material containing an image forming layer;
an image receiving material; and
a material to be transferred, onto which an image formed on the image receiving material by transferring the image forming layer onto the image receiving material is to be transferred by heat,
wherein the image forming layer transferred onto the image receiving material has a surface energy of more than 24.0 mJ/m 2 .
2 . The image forming unit according to claim 1 , wherein the material to be transferred has a surface energy of more than 35.0 mJ/m 2 .
3 . The image forming unit according to claim 1 , wherein the material to be transferred contains a substrate containing polyethylene, polypropylene, or polyethylene terephthalate.
4 . The image forming unit according to claim 1 , wherein the material to be transferred has a light transmittance of 50% or more.
5 . The image forming unit according to claim 1 , wherein the image forming layer is a white image forming layer.
6 . The image forming unit according to claim 1 , wherein the image forming layer contains at least one of polyvinyl alcohol, polymethyl acrylates, and nylons.
7 . The image forming unit according to claim 1 , wherein the thermal transfer material further contains a support and a photothermal converting layer so that the support, the photothermal converting layer and the image forming layer are provided in this order.