Gas barrier film
It is an object of the present invention to provide a gas barrier film improved in gas barrier characteristics by decreasing the adsorbent of the surface of a gas barrier layer to water and the like. The present invention attains the above object by providing a gas barrier film comprising a substrate, a gas barrier layer which is a vacuum deposition film, formed on one surface or both surfaces of the above substrate, and a water-repellent layer which is a film having water repellency, formed on the above gas barrier layer.
1. A laminate material comprising a conductive layer formed on at least one surface of a gas barrier film comprising a substrate, a gas barrier layer which is a transparent layer formed of an inorganic oxide, formed on one surface or both surfaces of the substrate, and a water-repellent layer which is a film having water repellency, formed directly on the gas barrier layer,
wherein the water-repellent layer is an organic film comprising a metal skeleton and having a methyl group, formed by a vacuum deposition method, and
the organic film comprising a metal skeleton and having a methyl group is an organic silicon type material represented by Si x (CH 3 ) y or (SiO) x (CH 3 ) y or its polyer film.
2. A laminate material according to claim 1 , wherein the gas barrier film further comprises a water-repellent layer which is a film having water repellency, formed between the substrate and the gas barrier layer.
3. A laminate material according to claim 1 , wherein the contact angle with water on the surface of the water-repellent layer is 60° or more (measuring temperature: 23° C.).
4. A laminate material according to claim 1 , wherein the film thickness of the water-repellent layer is in a range from 1 nm to 1000 nm.
5. A laminate material according to claim 1 , wherein the gas barrier layer and water-repellent layer are laminated plurally.
6. A laminate material according to claim 5 , wherein a total of five layers of the water-repellent layer and gas barrier layer are laminated in this order.
7. A laminate material according to claim 1 , wherein the gas barrier film has an oxygen transmission rate of 0.5 cc/m 2 /day or less and a water vapor transmission rate of 0.5 g/m 2 /day or less.
8. An image display medium produced by using the laminate material as claimed in claim 1 as a substrate and by forming an image display layer on the conductive layer.
9. An image display medium according to claim 8 , wherein the gas barrier film further comprises a water-repellent layer which is a film having water repellency, formed between the substrate and the gas barrier layer.
10. A laminate material comprising a conductive layer formed on at least one surface of a gas barrier film comprising a substrate, a gas barrier layer which is a transparent layer formed of an inorganic oxide, formed on one surface or both surfaces of the substrate, and a water-repellent layer which is a film having water repellency, formed directly on the gas barrier layer,
wherein the water-repellent layer is a film containing fluorine (F). formed by a vacuum deposition method, and
the film containing fluorine (F) is an organic silicon fluoride material represented by Si x C y F z or its polymer film, a silicon fluoride material represented by Si x F y or its polymer film, or a fluorine-containing hydrocarbon type material represented by C x F y or its polymer film.
11. A laminate material according to claim 10 , wherein the gas barrier film further comprises a water-repellent layer which is a film having water repellency, formed between the substrate and the gas barrier layer.
12. A laminate material according to claim 10 , wherein the contact angle with water on the surface of the water-repellent layer is 60° or more (measuring temperature: 23° C.).
13. A laminate material according to claim 10 , wherein the film thickness of the water-repellent layer is in a range from 1 nm to 1000 nm.
14. A laminate material according to claim 10 , wherein the gas barrier layer and water-repellent layer are laminated plurally.
15. A laminate material according to claim 14 , wherein a total of five layers of the water-repellent layer and gas barrier layer are laminated in this order.
16. A laminate material according to claim 10 , wherein the gas barrier film has an oxygen transmission rate of 0.5 cc/m 2 /day or less and a water vapor transmission rate of 0.5 g/m 2 /day or less.
17. An image display medium produced by using the laminate material as claimed in claim 10 as a substrate and by forming an image display layer on the conductive layer.
18. An image display medium according to claim 17 , wherein the gas barrier film further comprises a water-repellent layer which is a film having water repellency, formed between the substrate and the gas barrier layer.