Heavy metal-free coating formulations

Details Heavy metal-free coating formulations Heavy metal-free coating formulations

G - Physics

03

F

G03F 7/038 (2006.01) C08G 59/68 (2006.01) C09D 163/00 (2006.01) C09D 171/02 (2006.01)

Patent

CA 2329012

UV-curable, cationically polymerisable compositions, which comprise (a) mono-, bis- or higher aliphatic or aromatic glycidyl ethers, (b) titanium dioxide, (c) at least one iodonium hexafluorophosphate salt as photoinitiator, and (d) one sensitiser compound, are distinguished by high resistance to yellowing.

La présente invention concerne des compositions durcissables aux ultraviolets, cationiquement polymérisables et se distinguant par une bonne résistance jaunissement. Ces compositions sont constituées: (a) de gylcidyléthers d'un niveau simple ou multiple d'aliphacité ou d'aromaticité, (b) de dioxyde de titane, (c) au moins un hexafluorophosphate d'iodone servant de photoamorceur, et (d) un composé sensibilisant.

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