US 11,787,931 B2
Photocurable resin composition, sealing material for fuel cell, cured product thereof, fuel cell, and sealing method
Koji Yamada, Tokyo (JP); Akihiro Koyama, Tokyo (JP); and Tetsunori Soga, Tokyo (JP)
Assigned to THREEBOND CO., LTD., Tokyo (JP)
Appl. No. 17/295,428
Filed by THREEBOND CO., LTD., Tokyo (JP)
PCT Filed Oct. 17, 2019, PCT No. PCT/JP2019/040981
§ 371(c)(1), (2) Date May 19, 2021,
PCT Pub. No. WO2020/105333, PCT Pub. Date May 28, 2020.
Claims priority of application No. 2018-217819 (JP), filed on Nov. 21, 2018.
Prior Publication US 2021/0403699 A1, Dec. 30, 2021
Int. Cl. C08L 51/06 (2006.01); C09K 3/10 (2006.01); H01M 8/0284 (2016.01); H01M 8/0286 (2016.01); H01M 8/1004 (2016.01); H01M 8/10 (2016.01)
CPC C08L 51/06 (2013.01) [C09K 3/10 (2013.01); H01M 8/0284 (2013.01); H01M 8/0286 (2013.01); C09K 2003/1062 (2013.01); H01M 8/1004 (2013.01); H01M 2008/1095 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A photocurable resin composition comprising the following components (A) to (D):
component (A): a polymer having one or more (meth)acryloyl groups and a polyisobutylene skeleton containing —[CH2C(CH3)2]— unit,
component (B): a monofunctional monomer containing the following component (b1) and component (b2),
component (b1): a monofunctional monomer having a (meth)acryloyl group and a hydroxy group,
component (b2): a monofunctional monomer having a (meth)acryloyl group and no hydroxy group,
component (C): a radical polymerization initiator, and
component (D): organic resin particles.