[EN] RADIATION CROSS LINKABLE ACRYLIC HOT MELT PRESSURE SENSITIVE ADHESIVE RESINS EXHIBITING IMPROVED UVA PHOTO CURE<br/>[FR] RÉSINES ADHÉSIVES SENSIBLES À LA PRESSION, THERMOFUSIBLES, ACRYLIQUES, RÉTICULABLES PAR RAYONNEMENT, PRÉSENTANT UN PHOTODURCISSEMENT PAR LES UVA AMÉLIORÉ
申请人:HENKEL IP & HOLDING GMBH
公开号:WO2021225778A1
公开(公告)日:2021-11-11
Disclosed is an ultraviolet responsive photocrosslinker having a structure as defined in Formula I below: wherein: R is H, C1 to C30 alkyl, C1 to C30 alkoxy, C1 to C30 acyloxy, C3 to C30 aryloxy, halogen or C1 to C30 thioether; R1 is H or CH3; and X is optional, when X is not present R is not H. Further is disclosed is a hot melt pressure sensitive adhesive comprising a (meth)acrylate polymer having incorporated therein the photocrosslinker according to Formula I. The photocrosslinker is responsive to ultraviolet light from an LED light source having a wavelength of 365 nm or higher.