US 11,912,808 B2
Curable composition, cured product, color filter, solid-state imaging element, and image display device
Yutaro Fukami, Shizuoka (JP); Junichi Ito, Shizuoka (JP); Yushi Kaneko, Shizuoka (JP); Hiromu Koizumi, Shizuoka (JP); and Kazuya Oota, Shizuoka (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Sep. 23, 2021, as Appl. No. 17/482,422.
Application 17/482,422 is a continuation of application No. PCT/JP2020/012141, filed on Mar. 18, 2020.
Claims priority of application No. 2019-061005 (JP), filed on Mar. 27, 2019; and application No. 2020-008312 (JP), filed on Jan. 22, 2020.
Prior Publication US 2022/0010049 A1, Jan. 13, 2022
Int. Cl. C08F 299/02 (2006.01); C08F 220/28 (2006.01); C08F 220/30 (2006.01); C08F 2/50 (2006.01); C08F 220/58 (2006.01); C08K 5/00 (2006.01); C08K 5/33 (2006.01); C08K 5/3415 (2006.01); G02F 1/1335 (2006.01)
CPC C08F 299/028 (2013.01) [C08F 2/50 (2013.01); C08F 220/283 (2020.02); C08F 220/303 (2020.02); C08F 220/58 (2013.01); C08K 5/0041 (2013.01); C08K 5/33 (2013.01); C08K 5/3415 (2013.01); G02F 1/133514 (2013.01)] 15 Claims
 
1. A curable composition comprising:
a block copolymer including a block A which has a constitutional unit having an ethylenically unsaturated group in a side chain;
a pigment; and
a photopolymerization initiator,
wherein a content of a polymerizable compound is 15 mass % or less with respect to a total solid content of the curable composition,
wherein the constitutional unit having an ethylenically unsaturated group in a side chain in the block A includes a constitutional unit represented by Formula (1),
wherein the block copolymer further includes a block B which has a constitutional unit having a steric repulsive group in a side chain, and
wherein the steric repulsive group is a group having 20 carbon atoms to 200 carbon atoms,

OG Complex Work Unit Chemistry
in Formula (1), R1 represents a hydrogen atom, a halogen atom, or an alkyl group, X1 and X2 each independently represent a single bond or a divalent linking group, L1 represents a polyether chain, a polyester chain, a polyamide chain, a polyimide chain, a polyimine chain, a polyurethane chain, or a resin chain in which two or more of these resin chains are combined, and Z1 represents an ethylenically unsaturated group.