Interlayer film for laminated glass and laminated glass
AssigneeSekisui Chemical Co., Ltd.
InventorsJuichi Fukatani, Bungo Hatta
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Abstract
An interlayer film for a laminated glass and a laminated glass, which do not cause an increase in a haze value due to moisture absorption and have excellent moisture resistance are provided. An interlayer film for a laminated glass which contains a polyvinyl acetal resin and a moisture resistance improver is provided.
Claims20
An interlayer film for a laminated glass, which contains a polyvinyl acetal resin and as a moisture resistance improver, a moisture resistance improver effective amount of a phosphate ester compound and wherein a laminated glass, produced by interposing the interlayer film between two sheets of glass, has a distance of whitening of 2.49 mm or less after the laminated glass is left standing for 500 hours under an environment of 80° C. and a relative humidity of 95%.
Dependencies are inferred from the claim text.