The present invention is to provide a two-component urethane-based adhesive composition that maintains excellent curing speed as a two-component composition and has excellent workability, adhesion, and heat resistance. The two-component urethane-based adhesive composition of the present invention contains: a main agent containing a urethane prepolymer (A) having an isocyanate group; and a curing agent containing a compound (B) having at least two active hydrogen-containing groups in each molecule. At least one of the main agent or the curing agent contains a compound (C) having an isocyanurate ring, and microparticles (D) containing organic matter and having an average particle diameter of 0.1 to 10 µm; and the compound (C) contains an isocyanurate of pentamethylene diisocyanate.
本发明旨在提供一种双组分聚
氨酯基胶粘剂组合物,该组合物作为双组分组合物可保持极佳的固化速度,并具有极佳的可加工性、粘附性和耐热性。本发明的双组分聚
氨酯基胶粘剂组合物包含:主剂,其中含有一种具有
异氰酸酯基团的聚
氨酯预聚物(A);固化剂,其中含有一种化合物(B),其每个分子中至少有两个活性含氢基团。主剂或固化剂中至少有一种含有具有异
氰尿酸酯环的化合物(C)和含有有机物且平均颗粒直径为 0.1 至 10 微米的微颗粒(D);化合物(C)含有五
亚甲基二异氰酸酯的异
氰尿酸酯。