	US 12,441,876 B2
	Curable resin composition and cured product thereof, and method for producing three-dimensional shaped product
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. 17/528,636.
Application 17/528,636 is a continuation of application No. PCT/JP2020/020313, filed on May 22, 2020.
Claims priority of application No. 2019-097824 (JP), filed on May 24, 2019; and application No. 2020-075420 (JP), filed on Apr. 21, 2020.
Prior Publication US 2022/0073725 A1, Mar. 10, 2022
Int. Cl. C08L 51/04 (2006.01); B29C 64/106 (2017.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C08F 136/06 (2006.01); C08F 220/14 (2006.01); C08F 220/18 (2006.01); C08F 222/10 (2006.01); C08F 222/40 (2006.01); C08F 226/06 (2006.01); C08F 279/02 (2006.01)

CPC C08L 51/04 (2013.01) [B29C 64/106 (2017.08); C08F 136/06 (2013.01); C08F 220/14 (2013.01); C08F 220/1811 (2020.02); C08F 222/1061 (2020.02); C08F 222/1065 (2020.02); C08F 222/40 (2013.01); C08F 226/06 (2013.01); C08F 279/02 (2013.01); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C08L 2207/53 (2013.01); C08L 2312/06 (2013.01)]

20 Claims

1. A curable resin composition comprising

a core-shell type rubber particle having a core layer and a shell layer;

a radically polymerizable compound having one or more radically polymerizable functional groups in a molecule; and

a radical polymerization initiator,

wherein the shell layer contains a polymer having an alicyclic hydrocarbon group in a side chain, with a proviso that it is not a cyclohexyl (meth) acrylate polymer,

wherein the radically polymerizable compound contains a polymerizable compound having a molecular weight of 500 or more in a ratio of 2 mass % to 70 mass %, and

wherein the radically polymerizable compound does not contain a (meth) acrylate compound having an alicyclic hydrocarbon group.