Dye receptor sheet for thermal dye transfer imaging

Details Dye receptor sheet for thermal dye transfer imaging Dye receptor sheet for thermal dye transfer imaging

B - Operations, Transporting

41

M

B41M 5/26 (2006.01) B41M 5/52 (2006.01)

Patent

CA 2073843

ABSTRACT OF THE DISCLOSURE A dye transfer receptor sheet suitable for thermal dye transfer imaging is described. The receptor sheet provides excellent image stability characteristics. The receptor sheet comprises a substrate with a receiving layer of a vinyl chloride containing copolymer which has a glass transition temperature between 50 and 85°C, preferably about 59 and 65°C, a weight average molecular weight between about 10,000 and 100,000, preferably between 30,000 and about 50,000 g/mol, a hydroxyl equivalent weight between about 1500 and 4000, preferably about 1890 and about 3400 g/mol, a sulfonate equivalent weight between 9000 and 23,000, preferably between about 11 ,000 and about 19,200 g/mol, and an epoxy equivalentweight between about 500 and 7000, preferably about 1200 and about 6000 g/mol.

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