US 12,167,831 B2
Adhesive for endoscope, cured product, endoscope, and method for producing endoscope
Yoshihiro Nakai, Ashigarakami-gun (JP); and Kazushi Furukawa, Ashigarakami-gun (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Dec. 3, 2020, as Appl. No. 17/110,758.
Application 17/110,758 is a continuation of application No. PCT/JP2019/025988, filed on Jun. 28, 2019.
Claims priority of application No. 2018-131087 (JP), filed on Jul. 10, 2018.
Prior Publication US 2021/0106210 A1, Apr. 15, 2021
Int. Cl. A61B 1/00 (2006.01); A61B 1/005 (2006.01); A61B 1/05 (2006.01); C08G 59/22 (2006.01); C08G 59/38 (2006.01); C08G 59/50 (2006.01); C08K 5/1515 (2006.01); C08K 5/17 (2006.01); C09J 163/00 (2006.01); C09J 163/04 (2006.01); G02B 23/24 (2006.01)
CPC A61B 1/00071 (2013.01) [A61B 1/0011 (2013.01); A61B 1/0055 (2013.01); C08G 59/226 (2013.01); C08G 59/38 (2013.01); C08G 59/5006 (2013.01); C08G 59/5013 (2013.01); C08G 59/504 (2013.01); C08K 5/1515 (2013.01); C08K 5/17 (2013.01); C09J 163/00 (2013.01); C09J 163/04 (2013.01); A61B 1/00096 (2013.01); A61B 1/051 (2013.01); C08G 2650/50 (2013.01); G02B 23/2476 (2013.01)] 5 Claims
 
1. An adhesive for an endoscope, comprising:
at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, and phenol novolac epoxy resins;
a polyamine compound (B); and
a compound (C) selected from polyethylene glycol diglycidyl ether and polypropylene glycol diglycidyl ether,
wherein the polyamine compound (B) has, in its molecule, a linear alkylene group or a polyoxyalkylene group, and the number of carbon atoms in the linear alkylene group is 5 to 12, and the average number of repetitions of an oxyalkylene group of the polyoxyalkylene group is 3 to 500.