公开(公告)号：US20230126993A1

公开(公告)日：2023-04-27

申请号：US18067359

申请日：2022-12-16

申请人： Elkem Silicones France SAS

发明人： Jeffrey HOOVER ,  Guillaume PIBRE

IPC分类号： C09J7/40 ,  C09D183/06 ,  C09J7/22 ,  C09J7/21 ,  B32B7/12 ,  B32B29/00 ,  C08G77/18

摘要： A self-adhesive multi-layer item comprising:
1) a dorsal support DO having a top face SI1 and a bottom face SI2, 2) at least one layer of silicone release coating RC applied to the top face SI1 of the dorsal support DO and which is prepared by irradiation of a curable silicone composition C not containing any solvent and comprising, as constituents: a) at least one functionalized organopolysiloxane A b) an effective amount of at least one type I photoinitiator P of the family of acylphosphine oxide derivatives of formula (III) 3) at least one adhesive PSA, preferably at least one pressure-sensitive adhesive PSA, applied on the layer of silicone release coating, 4) a frontal support FR applied on the adhesive PSA of the component 3), and 5) optionally at least one layer of silicone release coating RC applied on the bottom face SI2 of the dorsal support DO and which is prepared by application and irradiation of said curable silicone composition C, and on this same layer, there is at least one adhesive PSA, preferably at least one pressure-sensitive adhesive PSA.