CELLULOSE ACYLATE FILM AND METHOD FOR MANUFACTURING THE SAME, AND OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a cellulose acylate film which has hardness sufficient for laminating and using a cured layer, and can be used as a support body exhibiting excellent light-resistant adhesiveness when the cured layers are laminated.SOLUTION: A cellulose acylate film contains cellulose acylate having acyl substitution degree of 2.75 or more and 2.88 or less, and weight average molecular weight of 500,000 or more and 700,000 or less.