	US 12,221,505 B2
	Curable resin composition and cured object thereof
Takayuki Hiratani, Tokyo (JP); Kyohei Wada, Tokyo (JP); and Ryo Ogawa, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 17, 2021, as Appl. No. 17/528,659.
Application 17/528,659 is a continuation of application No. PCT/JP2020/020310, filed on May 22, 2020.
Claims priority of application No. 2019-097824 (JP), filed on May 24, 2019; and application No. 2020-075189 (JP), filed on Apr. 21, 2020.
Prior Publication US 2022/0073669 A1, Mar. 10, 2022
Int. Cl. C08F 2/46 (2006.01); B33Y 70/00 (2020.01); C08F 2/50 (2006.01); C08F 285/00 (2006.01); C08G 61/04 (2006.01)

CPC C08F 285/00 (2013.01) [B33Y 70/00 (2014.12)]

19 Claims

1. A curable resin composition comprising:

a polyfunctional urethane (meth)acrylate (A) having a weight average molecular weight of 1000 to 60000;

a hydrophilic monofunctional radical-polymerizable compound (B);

a hydrophobic monofunctional radical-polymerizable compound (C);

rubber particles (D); and

a radical polymerization initiator (E), and

wherein the hydrophilic monofunctional radical-polymerizable compound (B) includes a hydrophilic monofunctional acrylamide-based compound or a hydrophilic monofunctional radical-polymerizable compound having an N-vinyl group.