Dye-donor element for use according to thermal dye sublimation t

Details Dye-donor element for use according to thermal dye sublimation t Dye-donor element for use according to thermal dye sublimation t

1992-07-29

1993-08-10

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428 41, 428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

052348881

ABSTRACT:
Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a heat-resistant layer, characterized in that said heat-resistant layer comprises a polycarbonate derived from a bis-(hydroxyphenyl)-cycloalkane (diphenol) corresponding to formula (I) ##STR1## wherein: R.sup.1 and R.sup.2 (same or different) represent hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group or a C.sub.7 -C.sub.12 aralkyl group;
X represents the necessary atoms to close a 5- to 8-membered cycloaliphatic ring which is substituted with one or more C.sub.1 -C.sub.6 alkyl groups or 5- or 6-membered cycloalkyl groups or carries fused-on 5- or 6-membered cycloalkyl groups.

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