An ink jet ink

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 11/00 (2006.01) C08G 63/08 (2006.01)

Patent

CA 2607416

An energy-curable ink jet ink comprising an epoxide monomer, a cationic photoinitiator other than a sulphonium initiator, and .gamma.-butyrolactone and an optional oxetane monomer that exhibits a satisfactory level of cure and has a sufficiently low viscosity to be employed in ink jet printing. The weight ratio of epoxide monomer to .gamma.-butyrolactone is within the range of from 15:1 to 2.5:1.

Encre pour impression jet d'encre durcissable par exposition à une énergie, comprenant un monomère époxyde, un photo-initiateur cationique autre qu'un initiateur sulfonium, et une .gamma.-butyrolactone, et éventuellement un monomère oxétane présentant un niveau satisfaisant de durcissement et ayant une viscosité suffisamment basse pour être utilisé en impression jet d'encre. Le rapport massique du monomère époxyde à la .gamma.-butyrolactone est compris dans la gamme de 15:1 à 2,5:1.

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