abstract |
A polymer film comprising polyvinylacetal and a laminated glass manufactured using the same are provided. At least one surface of the polymer film has a void volume (Vv) value at a material ratio of 10% ranging from 3 μm3/μm2 to 34.3 μm3/μm2, wherein the void volume (Vv) and material ratio are defined in accordance with ISO 25178-2:2012. |