Thermal transfer printing receiver

Details Thermal transfer printing receiver Thermal transfer printing receiver

1993-10-27

1995-06-20

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428207, 428913, 428914, B41M 5035, B41M 538

Patent

active

054260876

ABSTRACT:
A receiver sheet for thermal transfer printing comprises a sheet-like substrate supporting a backcoat comprising a cross-linked organic polymer which is a reaction product of a polyalkylene glycol and a polyfunctional organic cross-linking agent reactive with the terminal hydroxyl groups of the polyalkylene glycol. This provides a surface which may be written on using aqueous inks, and to which water-activated adhesives may adhere. Suitable cross-linking agents are hexamethoxymethylmelamines or oligomers thereof. The backcoat is free from alkali metal salts to avoid retransfer problems, and may also be textured by particulate material embedded in the cross-linked polymer, to improve handling properties.

REFERENCES:
patent: 4720480 (1988-01-01), Ito et al.
patent: 4778782 (1988-10-01), Ito et al.
patent: 5011814 (1991-04-01), Harrison
patent: 5095002 (1992-03-01), Beck et al.
patent: 5116805 (1992-05-01), Pope et al.
patent: 5214024 (1993-05-01), Beck et al.

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