Photocurable adhesive composition and its use in the optical...

G - Physics – 02 – B

Patent

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G02B 1/04 (2006.01) C08F 220/38 (2006.01) C09J 4/00 (2006.01) C09J 133/14 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2522468

The invention concerns a photocurable adhesive composition comprising, based on total weight of photopolymerizable monomers and/or oligomers of the composition : 5 to 60 wt% of at least one mono or polyacrylate monomer or oligomer thereof (A) ; 5 to 50 wt% of at least one thio(meth)acrylate monomer or oligomer thereof (B) ; and 20 to 50 wt% of at least one aromatic dimethacrylate monomer or oligomer thereof (C) ; with the proviso that the composition does not contain a brominated monofuntional acrylate.

L'invention concerne une composition adhésive photodurcissable qui comprend, sur la base du poids total de monomères et/ou d'oligomères photopolymérisables de la composition: entre 5 et 60 % en poids d'au moins un monomère ou un oligomère de mono ou de polyacrylate (A); entre 5 et 50 % en poids d'au moins un monomère ou un oligomère de thio(méth)acrylate (B); et entre 20 et 50 % en poids d'au moins un monomère ou un oligomère de diméthacrylate (C); sous réserve que la composition ne contienne pas d'acrylate monofonctionnel bromé.

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