公开(公告)号：US20250043164A1

公开(公告)日：2025-02-06

申请号：US18714726

申请日：2022-12-01

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Lingjie Tong ,  Jiaxing Sun

IPC: C09J163/00 ,  C08G59/24 ,  C08G59/66 ,  C08G59/68 ,  C08K5/54 ,  C08K5/55 ,  C09J11/06

Abstract: The present invention provides a single-component epoxy adhesive composition and a preparation method thereof. The single-component epoxy adhesive composition comprises, based on the total weight thereof as 100 wt %: 42-67 wt % of an epoxy resin without a benzene ring structure; 32-57 wt % of a polymercaptan; and 0.1-12 wt % of an initiator. The single-component epoxy adhesive composition according to a technical solution of the invention has high light transmittance after curing, long time available for construction, good adhesion, and in particular good weather resistance (yellowing resistance), and is suitable for electronic industrial assembly, and especially for the assembly and sealing of electronic display devices.