US 12,404,377 B2
Fiber bundling agent, fiber material, forming material, and formed product
Fuchih Li, Osaka (JP); and Kenji Nagao, Osaka (JP)
Assigned to DIC Corporation, Tokyo (JP)
Appl. No. 18/012,642
Filed by DIC Corporation, Tokyo (JP)
PCT Filed Jun. 3, 2021, PCT No. PCT/JP2021/021119
§ 371(c)(1), (2) Date Dec. 22, 2022,
PCT Pub. No. WO2021/261197, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 2020-107644 (JP), filed on Jun. 23, 2020.
Prior Publication US 2023/0250243 A1, Aug. 10, 2023
Int. Cl. C08J 5/04 (2006.01); D06M 15/27 (2006.01); D06M 15/273 (2006.01); D06M 15/55 (2006.01); D06M 15/564 (2006.01)
CPC C08J 5/042 (2013.01) [D06M 15/27 (2013.01); D06M 15/273 (2013.01); D06M 15/55 (2013.01); D06M 15/564 (2013.01); C08J 2363/02 (2013.01)] 7 Claims
 
1. A fiber bundling agent comprising:
a vinyl ester resin (A) having an alkoxy polyoxyalkylene structure, a urethane bond, a (meth)acryloyl group, and an epoxy group; and
an aqueous medium, wherein
the vinyl ester resin (A) has an epoxy equivalent of 3,500 g/eq to 11,000 g/eq.