Heat transfer recording process using an intermediate recording

Details Heat transfer recording process using an intermediate recording Heat transfer recording process using an intermediate recording

1993-06-01

1996-04-30

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Having an intermediate medium for transferring ink

347217, B41J 232

Patent

active

055129315

ABSTRACT:
A process for image forming by heat transfer method is disclosed. The process comprises the steps of (1) transferring an ink image from an ink layer of an ink sheet, which comprises a support and an ink layer provided on the support, to a surface of an intermediate image receiving layer of an intermediate image receiving sheet, which comprises a support and an image receiving layer provided on the support, by imagewise heating the ink layer, and (2) re-transferring the ink image transferred on the intermediate image receiving layer to a secondary image receiving sheet,
In the above process, the ink layer comprises a coloring material and a homopolymer or a copolymer comprising a repeating unit derived from a monomer represented by the following Formula 1 or a phthalic polyester formed by polymerization of phthalic acid and a polyol; ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; R.sub.2, R.sub.3 and R.sub.4 are each a hydrogen atom, an alkyl group having 1 to 12 carbon atoms or a --COOR.sub.5 group, R.sub.5 a hydrogen atom or an alkyl group having 1 to 12 carbon atoms.

REFERENCES:
patent: 5263781 (1993-11-01), Mima et al.
patent: 5332459 (1994-07-01), Imai et al.

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