US 11,920,001 B2
Photocurable composition
Keisuke Kawashima, Osaka (JP); and Honami Nawa, Shiga (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Apr. 26, 2022, as Appl. No. 17/660,647.
Claims priority of application No. 2021-082583 (JP), filed on May 14, 2021.
Prior Publication US 2022/0363832 A1, Nov. 17, 2022
Int. Cl. C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C08G 75/045 (2016.01)
CPC C08G 75/045 (2013.01) 5 Claims
 
1. A photocurable composition comprising:
a component (A): (meth)acrylic acid ester having 2 to 6 (meth)acryloyl groups in one molecule;
a component (B): a thiol compound having 2 to 4 thiol groups in one molecule; and
a component (C): a photobase generator,
wherein a mass ratio of the component (A) to the component (B) is 66:34 to 33:67, inclusive,
a functional group equivalent of the component (A) is 96 g/eq to 180 g/eq, inclusive,
a functional group equivalent of the component (B) is 95 g/eq to 190 g/eq, inclusive, and
a content of the component (C) is 0.5 parts by mass to 2 parts by mass with respect to 100 parts by mass of a total of the component (A), the component (B), and the component (C).