	US 12,221,515 B2
	Optically clear resin composition, flexible optical film and image display device
Kejia Yang, Santa Clara, CA (US); and Radu Reit, Carrollton, TX (US)
Assigned to Ares Materials Inc., Dallas, TX (US)
Appl. No. 16/973,540
Filed by Ares Materials Inc., Dallas, TX (US)
PCT Filed Dec. 9, 2019, PCT No. PCT/US2019/065281 § 371(c)(1), (2) Date Dec. 9, 2020, PCT Pub. No. WO2021/118525, PCT Pub. Date Jun. 17, 2021.
Prior Publication US 2021/0363304 A1, Nov. 25, 2021
Int. Cl. C08G 75/04 (2016.01); C08G 75/045 (2016.01); C08J 5/18 (2006.01); C08K 5/13 (2006.01); C08K 5/523 (2006.01)

CPC C08G 75/045 (2013.01) [C08J 5/18 (2013.01); C08K 5/13 (2013.01); C08K 5/523 (2013.01); C08J 2381/02 (2013.01); C08K 2201/014 (2013.01)]

18 Claims

1. A photocurable resin composition for forming an optically clear film, the photocurable resin composition comprising:

a polyfunctional thiol monomer comprising 2 thiol functional groups,

a polyfunctional (meth)acrylate monomer comprising 2 (meth)acryloyl functional groups,

a photo-initiator present in a concentration of about 1 parts per hundred (phr) or less,

a sterically hindered phenolic antioxidant present in a concentration of about 5 phr or less, wherein the sterically hindered phenolic antioxidant is present in an amount to stabilize the photocurable resin composition, and

a phosphite antioxidant present in a concentration of about 5 phr or less, wherein the phosphite antioxidant is present in an amount to provide thermal stability to articles formed by curing of the photocurable resin composition.