公开(公告)号：US20220112405A1

公开(公告)日：2022-04-14

申请号：US17430237

申请日：2020-02-03

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Chika KURAMOCHI ,  Souichirou KOMIYA ,  Junichi KAMEI

IPC: C09J7/35 ,  C09J175/06 ,  C08G18/12 ,  C08G18/42 ,  C08G18/76 ,  C08K5/5419 ,  C08K5/548

Abstract: Disclosed is a reactive hot-melt adhesive composition, containing: a urethane prepolymer having a polymer chain including a structural unit derived from polyol and a structural unit derived from polyisocyanate, and an isocyanate group as a terminal group of the polymer chain; and a functional group protection type silane coupling agent.