[EN] TINTING ENHANCERS FOR HARD COAT TINTING<br/>[FR] ADJUVANTS DE TEINTURE POUR TEINTURE DE REVÊTEMENT DUR
申请人:ESSILOR INT
公开号:WO2014177580A1
公开(公告)日:2014-11-06
The invention pertains to a tintable hard coat composition for forming a film on an optical article, the composition comprising at least one tinting enhancer, and at least two polymerizable monomers, a first monomer being an hydrolysat of an alkoxysilane comprising at least two alkoxy groups and one epoxy group, and a second monomer having at least two functional groups reacting with the first monomer, at least one of the two monomers having three functional groups of the same kind;the tinting enhancer being preferably chosen from the group consisting of 4-(methyl mercapto) phenol, 4,4' thiodiphenol,4,4'- Sulfonyldiphenol, and 3,3'-(Ethylenedioxy)diphenol or a mix thereof: Formulas (I), (II), (III), (IV).