Thermal transfer imaging using sulfonylaminoanthraquinone dyes

Claim 2

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate said dye having the general structure: ##STR4## where R 1 is selected from R 9 , R 9 alkyl of 1 to 20 carbon atoms, or alkyl of 1 to 20 carbon atoms substituted with one or more of fluoro, chloro, bromo, hydroxy, amino, and alkoxy, alkythio, and monoalkylamino and dialkylamino each with alkyl groups of 1 to 10 carbon atoms, R 10 is aryl of 5 to 20 carbon atoms, or aryl of 5 to 20 carbon atoms substituted with one or more of R 9 , fluoro, chloro, bromo, nitro, sulfonyl, cyano, carbonyl, hydroxy, amino, and R 9 O--, R 9 S--, R 9 NH--, and R 9 R 9 N--, R 2 to R 8 are independently selected from hydrogen, fluoro, chloro, bromo, nitro, cyano, R 12 SO 2 NH--, R 11 NH--, R 11 O--, R 11 S--, R 11 (CO)O--, R 11 (CO)NH--, R 11 CO--, R 9 O(CO)--, R 10 O(CO)--, R 11 R 11 N(CO)--, R 11 SO 2 --, and R 11 R 11 NSO 2 --, and groups R 11 are independently selected from hydrogen, R 9 and R 10 , and R 12 is independently selected from R 9 and R 10 .

Claim 3

A thermal dye transfer element according to claim 1 in which R 1 is an alkyl group free of vinyl and halogen substituents.

Claim 4

A thermal dye transfer element according to claim 1 in which R 1 is an alkyl moiety.

Claim 5

A process for thermal dye transfer imaging comprising the steps of placing the continuous layer of an element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate, said dye having the general structure: ##STR5## Where R 1 is selected from R 9 and R 10 , R 9 is alkyl of 1 to 20 carbon atoms, or alkyl of 1 to 20 carbon atoms substituted with one or more of fluoro, chloro, bromo, hydroxy, amino and alkoxy, alkythio, and monoalkylamino and dialkylamino each with alkyl groups of 1 to 10 carbon atoms, R 10 is aryl of 5 to 20 carbon atoms, or aryl of 5 to 20 carbon atoms substituted with one or more of R 9 , fluoro, chloro, bromo, nitro, sulfonyl, cyano, carbonyl, hydroxy, amino and R 9 O--, R 9 S--, R 9 NH--, and R 9 R 9 N--, R 2 to R 8 are independently selected from hydrogen, fluoro, chloro, bromo, nitro, cyano, R 12 SO 2 NH--, R 11 NH--, R 11 O--, R 11 S--, R 11 (CO)O--, R 11 (CO)NH--, R 11 CO--, R 9 O(CO)--, R 10 O(CO)--, R 11 R 11 N(CO)--, R 11 SO 2 --, and R 11 R 11 NSO 2 --, and groups R 11 are independently selected from hydrogen, R 9 and R 10 , and R 12 is independently selected from R 9 and R 10 against a receptor sheet and imagewise heating the substrate so as to transfer said dye to said receptor sheet at a temperature of 400° C. or less with a transfer time of from 1 to 100 milliseconds.

Claim 6

A process for thermal dye transfer imaging comprising the steps of placing the continuous layer of an element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate, said dye having the general structure: ##STR5## Where R 1 is selected from R 9 and R 10 , R 9 is alkyl of 1 to 20 carbon atoms, or alkyl of 1 to 20 carbon atoms substituted with one or more of fluoro, chloro, bromo, hydroxy, amino and alkoxy, alkythio, and monoalkylamino and dialkylamino each with alkyl groups of 1 to 10 carbon atoms, R 10 is aryl of 5 to 20 carbon atoms, or aryl of 5 to 20 carbon atoms substituted with one or more of R 9 , fluoro, chloro, bromo, nitro, sulfonyl, cyano, carbonyl, hydroxy, amino and R 9 O--, R 9 S--, R 9 NH--, and R 9 R 9 N--, R 2 to R 8 are independently selected from hydrogen, fluoro, chloro, bromo, nitro, cyano, R 12 SO 2 NH--, R 11 NH--, R 11 O--, R 11 S--, R 11 (CO)O--, R 11 (CO)NH--, R 11 CO--, R 9 O(CO)--, R 10 O(CO)--, R 11 R 11 N(CO)--, R 11 SO 2 --, and R 11 R 11 NSO 2 --, and groups R 11 are independently selected from hydrogen, R 9 and R 10 , and R 12 is independently selected from R 9 and R 10 against a receptor sheet and imagewise heating the substrate so as to transfer said dye to said receptor sheet at a temperature of 400° C. or less with a transfer time of from 1 to 100 milliseconds.

Claim 7

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a binder bonded to a substrate, said dye having a central nucleus of the formula: ##STR6## wherein R is NR'SO 2 R" and R' is H or alkyl group of 1 to 4 carbon atoms and R" is selected from the group consisting of alkyl group, and heterocyclic group.

Claim 8

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a binder bonded to a substrate, said dye having a central nucleus of the formula: ##STR6## wherein R is NR'SO 2 R" and R' is H or alkyl group of 1 to 4 carbon atoms and R" is selected from the group consisting of alkyl group, and heterocyclic group.

Claim 9

A process for thermal dye transfer imaging comprising the steps of placing the continuous layer of the element of claim 5 against a receptor sheet and imagewise heating the substrate so as to transfer said dye to said receptor sheet at a temperature of 400° C. or less with a transfer time of from 1 to 100 milliseconds.

Claim 10

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate and said dye having he general structure: ##STR7## where R 1 is selected from R 9 , R 9 is alkyl of 1 to 20 carbon atoms, or alkyl of 1 to 20 carbon atoms substituted with one or more of fluoro, chloro, bromo, hydroxy, amino, and alkoxy, alkylthio, and monoalkylamino and dialkylamino each with alkyl groups of 1 to 10 carbon atoms, R 10 is aryl of 5 to 20 carbon atoms, or aryl of 5 to 20 carbon atoms substituted with one or more of R 9 , fluoro, chloro, bromo, nitro, sulfonyl, cyano, carbonyl, hydroxy, amino, and R 9 O--, R 9 S--, R 9 NH--, and R 9 R 9 N--, R 2 to R 8 are independently selected from hydrogen, fluoro, chloro, bromo, nitro, cyano, R 12 SO 2 NH--, R 11 NH--, R 11 O--, R 11 S--, R 11 (CO)O--, R 11 (CO)NH--, R 11 CO--, R 9 O(CO)--, R 10 O(CO)--, R 11 R 11 N(CO)--, R 11 SO 2 --, and R 11 R 11 NSO 2 --, and groups R 11 are independently selected from hydrogen, R 9 and R 10 , and R 12 is independently selected from R 9 and R 10 . ##STR8## wherein R 1 is an alkyl group comprising two or more carbon atoms, and does not have a halogen substituent on the carbon alpha to the sulfur atom; R 2 -R 4 may be any group other than auxochromic groups.

Claim 11

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate and said dye having he general structure: ##STR7## where R 1 is selected from R 9 , R 9 is alkyl of 1 to 20 carbon atoms, or alkyl of 1 to 20 carbon atoms substituted with one or more of fluoro, chloro, bromo, hydroxy, amino, and alkoxy, alkylthio, and monoalkylamino and dialkylamino each with alkyl groups of 1 to 10 carbon atoms, R 10 is aryl of 5 to 20 carbon atoms, or aryl of 5 to 20 carbon atoms substituted with one or more of R 9 , fluoro, chloro, bromo, nitro, sulfonyl, cyano, carbonyl, hydroxy, amino, and R 9 O--, R 9 S--, R 9 NH--, and R 9 R 9 N--, R 2 to R 8 are independently selected from hydrogen, fluoro, chloro, bromo, nitro, cyano, R 12 SO 2 NH--, R 11 NH--, R 11 O--, R 11 S--, R 11 (CO)O--, R 11 (CO)NH--, R 11 CO--, R 9 O(CO)--, R 10 O(CO)--, R 11 R 11 N(CO)--, R 11 SO 2 --, and R 11 R 11 NSO 2 --, and groups R 11 are independently selected from hydrogen, R 9 and R 10 , and R 12 is independently selected from R 9 and R 10 . ##STR8## wherein R 1 is an alkyl group comprising two or more carbon atoms, and does not have a halogen substituent on the carbon alpha to the sulfur atom; R 2 -R 4 may be any group other than auxochromic groups.

Claim 12

The thermal dye transfer imaging element of claim 7 wherein no more than two of R 2 to R 8 are other than hydrogen.

Claim 13

The thermal dye transfer imaging layer of claim 7 wherein said dye is free of ionic or ionizable, water-solubilizing groups.

Claim 14

The thermal dye transfer imaging layer of claim 7 wherein said substrate has a thickness of less than 12 microns.

Claim 15

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate and said dye having a central nucleus of the formula: ##STR9## where R 1 is an alkyl group conprising two or more carbon atoms, and does not have a halogen substituent on the carbon alpha to the sulfur atom; R 2 -R 4 may be any group other than auxochromic groups.

Claim 16

A thermal dye transfer imaging element comprising a continuous layer of at least one anthraquinone dye in a polymeric binder, said dye comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate and said dye having a central nucleus of the formula: ##STR9## where R 1 is an alkyl group conprising two or more carbon atoms, and does not have a halogen substituent on the carbon alpha to the sulfur atom; R 2 -R 4 may be any group other than auxochromic groups.

Claim 17

A thermal dye transfer imaging element as recited in claim 11 wherein said R 1 is alkyl.

Claim 18

The thermal dye transfer imaging element of claim 12 wherein no more than two of R 2 to R 4 are other than hydrogen.

Claim 19

The thermal dye transfer imaging element of claim 13 wherein said dye is free of ionic or ionizable, water-solubilizing groups.

Claim 20

The thermal dye transfer imaging layer of claim 14 wherein said substrate has a thickness of less than 12 microns.