Cationically and hybrid curable uv gels

Details Cationically and hybrid curable uv gels Cationically and hybrid curable uv gels

C - Chemistry, Metallurgy

09

D

C09D 11/10 (2006.01)

Patent

CA 2697110

Disclosed are radiation curable phase change ink and overcoat compositions that contain a gellant, a cationically curable monomer, a cationic photoinitiator, and, optionally, a radically curable monomer and, further optionally, a free- radical photoinitiator. A phase change ink composition further contains a colorant. A phase change overcoat composition is free of colorant. The gellant may be an amide gellant. The cationically curable monomer may be selected from epoxides, vinyl ethers and oxetanes. The cationic photoinitiator may be selected from triarylsulphonium salts, diaryliodonium salts, aryldiazonium salts, triarylselenonium salts, dialkylphenacylsulphonium salts, triarylsulphoxonium salts, aryloxydiarylsulphonoxonium salts, and dialkylphenacylsulphoxonium salts, in which the salts are formed with ions selected from BF4-, PF6-, AsF6-, SbF6-, and CF3SO3-.

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