Polyvinyl alcohol and polyvinyl pyrrolidone mixtures as...

Details Polyvinyl alcohol and polyvinyl pyrrolidone mixtures as... Polyvinyl alcohol and polyvinyl pyrrolidone mixtures as...

B - Operations, Transporting

41

M

B41M 5/26 (2006.01) B41M 5/44 (2006.01)

Patent

CA 2066333

ABSTRACT OF THE DISCLOSURE A dye-donor element for thermal dye transfer comprises a support, a hydrophilic dye barrier/subbing layer comprising a mixture of polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP) and a dye layer. The PVA is present in the mixture from about 15 to about 35 weight-percent. The dye-barrier/subbing layer provides improved dye transfer densities.

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