Phase change inks containing photoinitiator with phase change properties and gellant affinity
申请人:Odell G. Peter
公开号:US20070120910A1
公开(公告)日:2007-05-31
Disclosed is a phase change ink comprising a colorant, an initiator, and an ink vehicle, said ink vehicle comprising (a) at least one radically curable monomer compound, and (b) a compound of the formula
wherein R
1
is an alkylene, arylalkylene, or alkylarylene group, R
2
and R
2
′ each, independently of the other, are alkylene, arylene, arylalkylene, or alkylarylene groups, R
3
and R
3
′ each, independently of the other, are either (a) photoinitiating groups, or (b) groups which are alkyl, aryl, arylalkyl, or alkylaryl groups, provided that at least one of R
3
and R
3
′ is a photoinitiating group, and X and X′ each, independently of the other, is an oxygen atom or a group of the formula —NR
4
—, wherein R
4
is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.