US 11,667,823 B2
Urethane adhesive composition
Megumi Abe, Kanagawa (JP); and Yuichi Matsuki, Kanagawa (JP)
Assigned to Sika Hamatite Co., Ltd., Kanagawa (JP)
Appl. No. 17/310,200
Filed by Sika Hamatite Co., LTD., Hiratsuka (JP)
PCT Filed Dec. 26, 2019, PCT No. PCT/JP2019/051280
§ 371(c)(1), (2) Date Jul. 26, 2021,
PCT Pub. No. WO2020/158289, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. JP2019-013798 (JP), filed on Jan. 30, 2019.
Prior Publication US 2022/0041908 A1, Feb. 10, 2022
Int. Cl. C09J 175/04 (2006.01); C08G 18/28 (2006.01); C08G 18/10 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C08G 18/79 (2006.01); C09J 11/06 (2006.01)
CPC C09J 175/04 (2013.01) [C08G 18/10 (2013.01); C08G 18/2825 (2013.01); C08G 18/4845 (2013.01); C08G 18/7657 (2013.01); C08G 18/791 (2013.01); C09J 11/06 (2013.01); C08G 2170/00 (2013.01); C09J 2301/30 (2020.08); C09J 2423/006 (2013.01)] 10 Claims
 
1. A urethane adhesive composition comprising:
from 20% to 80% by mass, relative to a total content of the urethane adhesive composition, of a urethane prepolymer (A) having an isocyanate group;
from 5.0% to 10.0% by mass, relative to a total content of the urethane adhesive composition, of an isocyanate compound (B) having an isocyanurate structure and an isocyanate group; and,
an adduct of a compound represented by Formula (X) and a phenol compound,

OG Complex Work Unit Chemistry
where R11 and R12 each independently represent a hydrocarbon group.