abstract |
The object of this invention is to provide a kind of high gas-obstructing character and the gas barrier film of the excellence of repeatability repeatedly of barrier properties for gases.Gas barrier film of the present invention, it is characterized in that, be configured with 3 inorganic compound layers i.e. gas barrier film of [ A ] layer, [ B ] layer, [ C ] layer successively at least one side of polymeric membrane base material, the thickness of described [ B ] layer is 0.2 ~ 20nm, and any one density of density ratio [ A ] layer and [ C ] layer is all high. |