US 11,702,596 B2
Polymerizable liquid crystal composition, optically anisotropic film, optical film, polarizing plate, and image display device
Daisuke Hayashi, Kanagawa (JP); Hiroshi Matsuyama, Kanagawa (JP); Keita Takahashi, Kanagawa (JP); Keisuke Yoshimasa, Kanagawa (JP); and Nobuyuki Akutagawa, Kanagawa (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Aug. 13, 2020, as Appl. No. 16/992,657.
Application 16/992,657 is a continuation of application No. PCT/JP2019/006500, filed on Feb. 21, 2019.
Claims priority of application No. JP2018-028689 (JP), filed on Feb. 21, 2018.
Prior Publication US 2020/0369962 A1, Nov. 26, 2020
Int. Cl. C09K 19/38 (2006.01); C08F 222/24 (2006.01); G02B 5/30 (2006.01); C09K 19/04 (2006.01); G02F 1/13363 (2006.01); H10K 50/86 (2023.01)
CPC C09K 19/3861 (2013.01) [C08F 222/24 (2013.01); G02B 5/3016 (2013.01); C09K 2019/0448 (2013.01); C09K 2323/03 (2020.08); C09K 2323/031 (2020.08); C09K 2323/035 (2020.08); G02F 1/13363 (2013.01); H10K 50/86 (2023.02)] 1 Claim
OG exemplary drawing
 
1. A polymerizable liquid crystal composition comprising:
a polymerizable liquid crystal compound represented by Formula (1); and
an acidic compound,
wherein a pKa of the acidic compound is more than −10 and 5 or less, and
a content of the acidic compound is 0.05 to 5 parts by mass with respect to 100 parts by mass of the polymerizable liquid crystal compound,
the acidic compound is a compound represented by any one of the following formulas A-1 to A-13 and A-15,

OG Complex Work Unit Chemistry
in Formula (1),
Ar represents a divalent aromatic group,
D represents a single bond, —COO—, or —OCO—,
A represents an aromatic ring having 6 or more carbon atoms, which may have a substituent, or a cycloalkane ring having 6 or more carbon atoms, which may have a substituent,
SP represents a single bond, a linear alkylene group having 1 to 12 carbon atoms, a branched alkylene group having 3 to 12 carbon atoms, or a divalent linking group in which one or more of —CH2-'s constituting the linear or branched alkylene group are substituted with —O—, —S—, —NH—, —N(Q)-, or —CO—, and Q represents a substituent,
L represents a polymerizable group, and
m represents an integer of 0 to 2, and n represents an integer of 2,
provided that a plurality of D's, A's, SP's, and L's, all of which are plural depending on a value of m or n, may be the same as or different from each other,

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry