CELLULOSE ACYLATE FILM, POLARIZING PLATE, MANUFACTURING METHOD OF POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE

摘要

There is provided a cellulose acylate film comprising a plasticizer and two or more kinds of ultraviolet absorbents specific in structure and has a moisture permeability of 1,000 to 1,700 g/m2·day at a temperature of 25° C. and relative humidity of 60%, and a polarizing plate containing at least one cellulose acylate film and a liquid crystal display device containing at least one polarizing plate.

主权项

1. A cellulose acylate film, comprising:
a plasticizer and two or more kinds of ultraviolet absorbents represented by the following Formula (1): wherein X represents a hydrogen atom, an alkyl group, an alkoxy group, a hydroxyl group, an amino group or an amido group, which may further have a substituent, in at least one kind of the ultraviolet absorbents, each of Y and Z in Formula (1) independently represents an alkyl group and the alkyl group represented by Y and Z has no aromatic ring as a substituent thereof, and in at least one kind of the ultraviolet absorbents, each of Y and Z in Formula (1) independently represents an alkyl group and the alkyl group represented by Y and Z has one aromatic ring as a substituent thereof, and the cellulose acylate film has a moisture permeability of 1,000 g/m2·day to 1,700 g/m2·day at a temperature of 25° C. and relative humidity of 60%.