Transfer printing medium with thermal transfer dye and infra-red

Details Transfer printing medium with thermal transfer dye and infra-red Transfer printing medium with thermal transfer dye and infra-red

1986-10-20

1988-11-29

Bowers, Jr., Charles

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Imagewise heating, element or image receiving layers...

106 22, 346 76R, 346766, 3461351, 346140R, 428913, 430201, 430495, 430944, 430945, 540122, 540124, 540139, G03C 100, G03C 516, G01D 1510, G01D 1516

Patent

active

047881283

ABSTRACT:
A transfer printing medium comprising a substrate supporting a thermal transfer dye and a radiation absorber positioned to provide thermal energy to the transfer dye when subjected to radiation within a predetermined absorption waveband, has a radiation absorber which is an infra-red absorbing poly(substituted)phthalocyanine compound in which each of at least five of the peripheral carbon atoms in the 1, 4, 5, 8, 9, 12, 13 or 16 positions (the "3,6-positions") of the phthalocyanine nucleus, as shown in Formula I, is linked by an atom from Group VB or Group VIB of the Periodic Table, other than oxygen, to a carbon atom of an organic radical. In preferred compounds each of the eight 3,6-positions is linked by an atom from Group VB or Group VIB, especially sulphur, selenium or nitrogen, to an organic radical.

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