| 摘要 |
The objective of the present invention is to provide: a laminated glass intermediate film which has a multilayered structure in which two or more resin layers are layered and is configured such that the occurrence of an optical distortion under high temperature can be prevented; a laminated glass containing this laminated glass intermediate film; and a production method for this laminated glass intermediate film. The present invention provides a laminated glass intermediate film in which two or more resin layers are layered, wherein, when a laminated glass is produced using two sheets of clear glass conforming to JIS R3202 (1996), a surface of one of the resin layers will demonstrate a ratio (Rz/Sm) between the 10-point average roughness (Rz (μm)) and the average recess-bump spacing (Sm (μm)) of 0.0018 or less, as measured in accordance with JIS B-0601 (1994), after the sheets of clear glass and the laminated glass intermediate film have been pulled apart following cooling of the laminated glass in liquid nitrogen and the one resin layer has been peeled away from the other resin layer directly in contact the one resin layer thereafter, the surface of the peeled one resin layer that is demonstrating the Rz/Sm ratio of 0.0018 or less being the surface on the side that was in contact with the other resin layer. |
