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    • 7. 发明授权
    • Cellulose acylate film, retardation film, polarizer and liquid crystal display device
    • 纤维素酰化膜,延迟膜,偏光镜和液晶显示装置
    • US08158220B2
    • 2012-04-17
    • US12893378
    • 2010-09-29
    • Masato NaguraTakayasu Yasuda
    • Masato NaguraTakayasu Yasuda
    • C09K19/00
    • G02B1/04C09K19/54C09K2019/0492G02B5/3083G02F1/133634G02F2001/133635Y10T428/1036
    • A cellulose acylate film comprising a cellulose acylate resin satisfying the formulae (i)-(iii) and a compound capable of forming a hydrogen bond satisfying conditions (A)-(C): (A) the compound has both a hydrogen bond donor moiety and a hydrogen bond acceptor moiety in the molecule, (B) the value obtained by dividing the molecular weight of the compound by the total of the number of the hydrogen bond donor moiety and the number of the hydrogen bond acceptor moiety is from 30 to 65, (C) the number of aromatic ring structures is from 1 to 3, 0.5≦A+B≦2.7,   (i) 0.0≦A≦2.5, and   (ii) 0.1≦B≦2.0,   (iii) wherein A means the degree of substitution with an acetyl group, and B means a total of the degree of substitution with a propionyl group and the degree of substitution with a butyryl group.
    • 包含满足式(i) - (iii)的纤维素酰化物树脂和能够形成满足条件(A) - (C)的氢键的化合物的纤维素酰化物膜:(A)化合物具有氢键供体部分 和分子中的氢键受体部分,(B)通过将化合物的分子量除以氢键供体部分的数目和氢键受体部分的数目的总和而得到的值为30至65 ,(C)芳环结构的数目为1至3,0.5< A1; A + B&NlE; 2.7,(i)0.0≦̸ A≦̸ 2.5和(ii)0.1≦̸ B≦̸ 2.0,(iii) A表示乙酰基取代度,B表示丙酰基取代度的总计,丁酰基的取代度。