Image-recording material, process for producing the same and process for forming image
View Patent ↗The object of the present invention is to provide an image-recording material that may prevent a flocculation of a coating liquid for image-recording layer that contains a water-dispersible emulsion and a water-soluble polymer compound, and that may exhibit an enhanced stability, present an improved film-forming performance, and provide superior surface conditions. In order to achieve the object, an image-recording material according to the present invention is provided, in which the image-recording material comprises a support and at least one image-recording layer on the support, wherein the image-recording layer is formed from a water-dispersible emulsion of which volume-average particle size is 55 nm or more and a water-soluble polymer compound of which weight-average molecular weight (Mw) is 400,000 or less. Preferably, the water-dispersible emulsion is a polyester emulsion. Preferably, the water-soluble polymer compound is polyethyleneoxide.
1. An image-recording material comprising:
a support, and
at least one image-recording layer on the support,
wherein the image-recording layer is formed from a water-dispersible emulsion of which volume-average particle size is 55 nm or more and a water-soluble polymer compound of which weight-average molecular weight (Mw) is 400,000 or less.
2. The image-recording material according to claim 1 , wherein the image-recording layer is formed from a water-dispersible emulsion of which volume-average particle size is 55 nm to 180 nm, and a water-soluble polymer compound of which weight-average molecular weight (Mw) is 100,000 to 400,000.
3. The image-recording material according to claim 1 , wherein the mass ratio of the water-dispersible emulsion to the water-soluble polymer compound (water-dispersible emulsion: water-soluble polymer compound) is 1:0.01 to 1:1.
4. The image-recording material according to claim 1 , wherein the water-dispersible emulsion is a water-dispersible polyester emulsion.
5. The image-recording material according to claim 1 , wherein the water-soluble polymer compound is polyethyleneoxide.
6. The image-recording material according to claim 1 , wherein the support is selected from the group consisting of raw paper, synthetic paper, synthetic resin sheet, coated paper, and laminated paper.
7. The image-recording material according to claim 6 , wherein the support comprises a raw paper, and polyolefin resin layers coated on both sides of the raw paper.
8. The image-recording material according to claim 1 , wherein the image-recording material is at least one of the materials selected from the group consisting of an electrophotographic material, a thermosensitive coloring material an inkjet recording material, a sublimation transfer material, a silver halide photographic material, and a thermal transfer material.
9. The image-recording material according to claim 8 , wherein the image-recording material is an electrophotographic material comprising a support and at least one toner-image-receiving layer on the support.
10. A process for producing an image-recording material, comprising forming an image-recording layer by applying a coating liquid for an image-recording layer on a support, wherein
the coating liquid comprises a water-dispersible emulsion of which volume-average particle size is 55 nm or more and a water-soluble polymer compound of which weight-average molecular weight (Mw) is 400,000 or less.
11. The process for producing an image-recording material according to claim 10 , wherein the mass ratio of the water-dispersible emulsion to the water-soluble polymer compound (water-dispersible emulsion: water-soluble polymer compound) in the coating liquid for an image-recording layer is 1:0.01 to 1:1.
12. The process for producing an image-recording material according to claim 10 , wherein the adsorbed amount of the water-soluble polymer compound in the coating liquid for image-recording layer is less than 2% by mass.