| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cellulose acylate film which is excellent in tear strength, folding endurance and excellent optical quality of wavelength dispersibility, and has good long-term storage stability, and to obtain an optical film, a polarizing plate, an optical compensation film, and an image display device which have an excellent performance. <P>SOLUTION: A producing method of a cellulose acylate film according to a solution casting process comprises the steps of: casting a cellulose acylate composition comprising a cellulose acylate, a photopolymerizable high branched polymer (RHB) in which the high branched polymer exists as the core and a photopolymerizable group is bonded to a branched termination, and a photopolymerization initiator (L), and photoirradiating. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
