US 11,926,767 B2
Adhesive composition, laminate, and package
Katsuhiko Okada, Tokyo (JP); Shigekazu Takahashi, Tokyo (JP); Ruiyu Si, Qingdao (CN); Xiao Sun, Qingdao (CN); and Zhiqiang Liu, Qingdao (CN)
Assigned to DIC CORPORATION, Tokyo (JP)
Appl. No. 17/795,288
Filed by DIC Corporation, Tokyo (JP)
PCT Filed Feb. 12, 2020, PCT No. PCT/CN2020/074845
§ 371(c)(1), (2) Date Jul. 26, 2022,
PCT Pub. No. WO2021/159300, PCT Pub. Date Aug. 19, 2021.
Prior Publication US 2023/0079465 A1, Mar. 16, 2023
Int. Cl. C09J 191/00 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/34 (2006.01)
CPC C09J 191/00 (2013.01) [B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/34 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/31 (2013.01); B32B 2439/06 (2013.01)] 12 Claims
 
1. A two-part adhesive composition comprising:
a maleic anhydride-modified vegetable oil (A1); and
a curing agent (B) separately stored from the maleic anhydride-modified vegetable oil (A1) until the curing agent (B) is mixed with the maleic anhydride-modified vegetable oil (A1), the curing agent (B) having a reactive group reactive with the acid anhydride group, the curing agent (B) comprising:
a polyol (B0), and
an amine compound (B1), wherein the amine compound (B1) comprises a tertiary amine-containing polyol (B2).