公开(公告)号：US20230407148A1

公开(公告)日：2023-12-21

申请号：US18252198

申请日：2022-02-03

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Boris Tasch ,  Adrian Thomas Jung ,  Elisabeth Cura ,  Eike H. Klünker ,  Wolf Steiger ,  Peter Bissinger

IPC: C09J129/10 ,  C09J11/06

CPC classification number: C09J129/10 ,  C09J2301/50 ,  C09J2301/416 ,  C09J11/06

Abstract: According to one aspect, the present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a thermally curable resin; b) a thermal curing initiator for the thermally curable resin; c) a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and d) a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound; wherein the free-radical polymerization initiator is activated by visible light.