Material for increasing dye transfer efficiency in dye-donor ele

Details Material for increasing dye transfer efficiency in dye-donor ele Material for increasing dye transfer efficiency in dye-donor ele

1988-07-19

1989-10-24

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428480, 428913, 428914, B41M 5035, B41M 526

Patent

active

048762369

ABSTRACT:
A dye-donor element for thermal dye transfer comprising a support having on one side thereof a dye dispersed in a polymeric binder, and wherein the polymeric binder comprises a mixed cellulose ester and the dye-donor element contains a colorless, nonpolymeric material for increasing dye transfer efficiency having the following formula: ##STR1## wherein both R groups represent --CO.sub.2 J or --O.sub.2 CJ and are located either ortho or meta to each other; and each J independently represents a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbomonocyclic or carbobicyclic ring having from about 5 to about 12 carbon atoms, with the proviso that when either or both of J is substituted, then the total number of substituent carbon atoms in each J group is about 8 or less.

REFERENCES:
patent: 4742042 (1988-05-01), Hiraishi et al.

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