Thermal dye-transfer receiver element comprising a silicone...

Details Thermal dye-transfer receiver element comprising a silicone... Thermal dye-transfer receiver element comprising a silicone...

2005-09-06

2005-09-06

Hess, Bruce H. (Department: 1774)

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

C156S237000, C156S277000

Reexamination Certificate

active

06939828

ABSTRACT:
A dye-receiver element for thermal dye transfer includes a support having on one side thereof a dye image-receiving layer characterized in that a release agent is present in the dye-image receiving layer which release agent comprises a siloxane-containing polymer having a weight average molecular weight of at least 150,000 and a viscosity in the range of 10 million mm2/sec to 50 million mm2/second. The invention also relates to a process of making a dye-receiver element for thermal dye transfer from a dye-donor element, said dye-receiver element comprising a support having thereon a dye image-receiving layer made by a process comprising forming a melt of a thermoplastic material comprising the release agent, extruding or coextruding the melt as a single-layer film or a layer of a composite (multilayer) film; and applying the extruded film or composite film to a support for the dye-receiver element. The use of such a release agent provides improved non-sticking and improved image quality compared to other release agents.

REFERENCES:
patent: 4908345 (1990-03-01), Egashira et al.
patent: 5112799 (1992-05-01), Egahira et al.
patent: 5302574 (1994-04-01), Lawrence et al.
patent: 5387571 (1995-02-01), Daly
patent: 5395720 (1995-03-01), Jongewaard et al.

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