Hard coat film, and radiation image conversion panel using the same

1. A hard coat film comprising:

a transparent base material; and

a hard coat layer formed on the transparent base material,

wherein the hard coat layer includes a cured product obtained by curing a composition comprising:

an ultraviolet curable acrylate resin including one or more types of multifunctional acrylate;

first microparticles having an average particle diameter of 5 nm or more and 100 nm or less; and

a thermoplastic polyester resin.

2. The hard coat film according to claim 1 ,

wherein the composition includes the thermoplastic polyester resin at a ratio of 1 to 50 parts by weight with respect to 100 parts by weight of the ultraviolet curable acrylate resin.

3. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 2 .

4. The radiation image conversion panel according to claim 3 ,

wherein a side surface of the phosphor layer is coated with a resin.

5. The hard coat film according to claim 1 ,

wherein the composition includes the first microparticles at a ratio of 40 to 300 parts by weight with respect to 100 parts by weight of the ultraviolet curable acrylate resin.

6. The hard coat film according to claim 5 ,

wherein the composition further comprises second microparticles having an average particle diameter of 0.3 μm or more and 1 μm or less.

7. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 6 .

8. The radiation image conversion panel according to claim 7 ,

wherein a side surface of the phosphor layer is coated with a resin.

9. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 5 .

10. The radiation image conversion panel according to claim 9 ,

wherein a side surface of the phosphor layer is coated with a resin.

11. The hard coat film according to claim 1 ,

wherein the thermoplastic polyester resin has a glass-transition temperature (Tg) of 40° C. or higher.

12. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 11 .

13. The radiation image conversion panel according to claim 12 ,

wherein a side surface of the phosphor layer is coated with a resin.

14. The hard coat film according to claim 1 ,

wherein the composition further comprises a fluorine compound.

15. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 14 .

16. The hard coat film according to claim 1 , further comprising an adhesive layer containing matting agent particles, on a surface of the transparent base material opposite to the hard coat layer,

wherein an average particle diameter M of the matting agent particles and a film thickness d of the adhesive layer satisfy the relation of M>d.

17. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 16 .

18. A radiation image conversion panel comprising, while laminating in the order mentioned:

a supporter;

a phosphor layer; and

a protective layer including the hard coat film according to claim 1 .

19. The radiation image conversion panel according to claim 18 ,

wherein a side surface of the phosphor layer is coated with a resin.