Tellurium imaging composition

Claim 2

In a composition for forming an imaging film, which composition comprises (a) a tellurium compound reactable with a glyceryl ether to form an image-forming tellurium compound; (b) a reductant precursor which will abstract labile hydrogen from a hydrogen donor under the influence of activating energy to become a reducing agent with respect to the image-forming tellurium compound; (c) a source of labile hydrogen for reaction with said reductant precursor; and (d) a matrix in which said tellurium compound, reductant precursor and source of labile hydrogen are combined in amounts effective to form a composition which may be applied to a substrate, the improvement wherein said source of labile hydrogen is a compound of the formula R.sup.7 --X--CH.sub.2 --CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium compound.

Claim 3

The improved image-forming composition according to claim 1, wherein said tellurium compound is selected from the group consisting of R.sub.x --Te--Hal.sub.y ; (Hal--R.sup.1).sub.x --Te--Hal.sub.y ; and TeCl.sub.n Br.sub.m in the foregoing formulae, R being an organic radical containing at least 1 carbonyl group, R 1 being the residue of an ethyleneic hydrocarbon, Hal being halogen, x being 1, 2 or 3; and x+y=4; n being an integer from 1 to 4 and m+n=4.

Claim 4

The improved image-forming composition according to claim 1, wherein the tellurium compound is a tellurium oxide, a tellurite or tellurate salt, or an inorganic tellurium compound derived from a tellurium oxide, in which the tellurium has a valence between +2 and +6.

Claim 5

The improved image-forming composition according to claim 1 wherein said reductant precursor is selected from the group consisting of 2-isopropoxynaphthoquinone; 2-t-butyl-anthraquinone; 1,10-phenanthrenequinone; 1,1'-dibenzoylferrocene; 1-phenyl-1,2-propanedione; 2-hydroxy-1,4-naphthoquinone; benzil; furil; diacetylferrocene; acetylferrocene; 1,4-bis (phenyl glyoxal) benzene; o-naphthoquinone; 4,5-pyrinequinone; 4,5,9,10-pyrinequinone; benzophenone; acetophenone; 1,5-diphenyl-1,3,5-pentanetrione; ninhydrin; 4,4'-dibromobenzophenone; 1,8-dichloroanthraquinone; 1,2-benzanthraquinone; 2-methylanthraquinone; 1-chloroanthraquinone; 7,8,9,10-tetrahydronaphthacenequinone; 9,10-anthraquinone; and 1,4-dimethylanthraquinone.

Claim 6

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR19##

Claim 7

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR20##

Claim 8

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR21##

Claim 9

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR22##

Claim 10

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR23##

Claim 11

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR24##

Claim 12

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR25##

Claim 13

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR26##

Claim 14

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR27##

Claim 15

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR28##

Claim 16

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR29##

Claim 17

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR30##

Claim 18

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR31##

Claim 19

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR32##

Claim 20

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR33##

Claim 21

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR34##

Claim 22

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR35##

Claim 23

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR36##

Claim 24

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR37##

Claim 25

The improved image-forming composition according to one of claims 1-4 wherein said diol is ##STR38##

Claim 26

In a film for forming an image comprising an image-forming composition on a substrate, wherein said image-forming composition contains (a) a tellurium compound reactable with a glyceryl ether to form an image-forming tellurium compound; (b) a reductant precursor which will abstract labile hydrogen from a hydrogen donor under the influence of activating energy to become a reducing agent with respect to the image-forming tellurium compound; (c) a source of labile hydrogen for reaction with said reductant precursor; and (d) a matrix in which said tellurium compound, reductant precursor and source of labile hydrogen are combined in amounts effective to form an image-forming composition which may be applied to a substrate, the improvement wherein said source of labile hydrogen is a diol of the formula R.sup.7 --X--CH.sub.2 CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium compound.

Claim 27

In a film for forming an image comprising an image-forming composition on a substrate, wherein said image-forming composition contains (a) a tellurium compound reactable with a glyceryl ether to form an image-forming tellurium compound; (b) a reductant precursor which will abstract labile hydrogen from a hydrogen donor under the influence of activating energy to become a reducing agent with respect to the image-forming tellurium compound; (c) a source of labile hydrogen for reaction with said reductant precursor; and (d) a matrix in which said tellurium compound, reductant precursor and source of labile hydrogen are combined in amounts effective to form an image-forming composition which may be applied to a substrate, the improvement wherein said source of labile hydrogen is a diol of the formula R.sup.7 --X--CH.sub.2 CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium compound.

Claim 28

The improved film according to claim 25, wherein said tellurium compound is selected from the group consisting of R.sub.x --Te--Hal.sub.y ; (Hal--R.sup.8).sub.x --Te--Hal.sub.y ; and TeCl.sub.n Br.sub.m in the foregoing formulae, R being an organic radical containing at least one carbonyl group, R 8 being the residue of an ethyleneic hydrocarbon, Hal being halogen, x being 1, 2 or 3; and x+y=4; n being an integer from 1 to 4 and m+n=4.

Claim 29

The improved film according to claim 25, in which the tellurium compound is a tellurium oxide, a tellurite or tellurate salt, or an inorganic tellurium compound derived from a tellurium oxide, in which the tellurium has a valence between +2 and +6.

Claim 30

The improved film composition according to claim 25, wherein said reductant precursor is selected from the group consisting of 2-isopropoxynaphthoquinone; 2-t-butylanthraquinone; 1,10-phenanthrenequinone; 1,1'-dibenzoylferrocene; 1-phenyl-1,2-propanedione; 2-hydroxy-1,4-naphthoquinone; benzil; furil; diacetylferrocene; acetylferrocene; 1,4-bis (phenyl glyoxal) benzene; o-naphthoquinone; 4,5-pyrinequinone; 4,5,9,10-pyrinequinone; benzophenone; acetophenone; 1,5-diphenyl-1,3,5-pentanetrione; ninhydrin; 4,4'-dibromobenzophenone; 1,8-dichloroanthraquinone; 1,2-benzanthraquinone; 2-methylanthraquinone; 1-chloroanthraquinone; 7,8,9,10-tetrahydronaphthacenequinone; 9,10-anthraquinone; and 1,4-dimethylanthraquinone.

Claim 31

In a method for recording electromagnetic radiation, wherein said radiation impinges upon a photo-sensitive film to produce a change in at least one property thereof, which film is a photosensitive composition carried upon a substrate, the photosensitive composition containing (a) a tellurium compound reactable with a glyceryl ether to form an image-forming tellurium compound; (b) a reductant precursor which will abstract labile hydrogen from a hydrogen donor under the influence of activating radiation to become a reducing agent with respect to the image-forming tellurium compound; (c) a source of labile hydrogen for reaction with said reductant precursor; and (d) a matrix in which said tellurium compound, reductant precursor, and source of labile hydrogen are combined in amounts effective to form a photosensitive composition which may be applied to a substrate, the improvement wherein said source of labile hydrogen is a diol of the formula R.sup.7 --X--CH.sub.2 --CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium composition.

Claim 32

In a method for recording electromagnetic radiation, wherein said radiation impinges upon a photo-sensitive film to produce a change in at least one property thereof, which film is a photosensitive composition carried upon a substrate, the photosensitive composition containing (a) a tellurium compound reactable with a glyceryl ether to form an image-forming tellurium compound; (b) a reductant precursor which will abstract labile hydrogen from a hydrogen donor under the influence of activating radiation to become a reducing agent with respect to the image-forming tellurium compound; (c) a source of labile hydrogen for reaction with said reductant precursor; and (d) a matrix in which said tellurium compound, reductant precursor, and source of labile hydrogen are combined in amounts effective to form a photosensitive composition which may be applied to a substrate, the improvement wherein said source of labile hydrogen is a diol of the formula R.sup.7 --X--CH.sub.2 --CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium composition.

Claim 33

The improvement according to claim 29, wherein there is included in said photosensitive composition a tellurium compound selected from the group consisting of R.sub.x --Te--Hal.sub.y ; (Hal--R.sup.8).sub.x --Te--Hal.sub.y ; and TeCl.sub.n Br.sub.m in the foregoing formulae, R being an organic radical containing at least one carbonyl group, R 8 being the residue of an ethyleneic hydrocarbon, Hal being halogen, x being 1, 2 or 3; and x+y=4; n being an integer from 1 to 4 and m+n=4.

Claim 34

The improved method according to claim 29, wherein the tellurium compound is a tellurium oxide, a tellurite or tellurate salt, or an inorganic tellurium compound derived from a tellurium oxide, in which the tellurium has a valence between +2 and +6.

Claim 35

The improvement according to claim 29, wherein there is included in said photosensitive composition a reductant percursor selected from the group consisting of 2-isopropoxynaphthoquinone; 2-t-butylanthraquinone; 1,10-phenanthrenequinone; 1,1'-dibenzoylferrocene; 1-phenyl, 1,2-propanedione; 2-hydroxy-1,4-naphthoquinone; benzil; furil; diacetylferrocene; acetylferrocene; 1,4-bis (phenyl glyoxal) benzene; o-naphthoquinone; 4,5-pyrinequinone; 4,5,9,10-pyrinequinone; benzophenone; acetophenone; 1,5-diphenyl-1,3,5-pentanetrione; ninhydrin; 4,4'-dibromobenzophenone; 1,8-dichloroanthraquinone; 1,2-benzanthraquinone; 2-methylanthraquinone; 1-chloroanthraquinone; 7,8,9,10-tetrahydronaphthacenequinone; 9,10-anthraquinone; and 1,4-dimethylanthraquinone.

Claim 36

In an imaging method employing a reducible tellurium compound which may be decomposed by electrons to form tellurium and by-products reactive with amides, the tellurium compound being disposed in a film-like layer, the improvement comprising subjecting said layer to an activating energy in the form of free electrons having sufficient energy to reduce said tellurium compounds to free tellurium and by-products reactive with amides, and including in said film-like composition a source of labile hydrogen of the formula R.sup.7 --X--CH.sub.2 --CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium compound.

Claim 37

In an imaging method employing a reducible tellurium compound which may be decomposed by electrons to form tellurium and by-products reactive with amides, the tellurium compound being disposed in a film-like layer, the improvement comprising subjecting said layer to an activating energy in the form of free electrons having sufficient energy to reduce said tellurium compounds to free tellurium and by-products reactive with amides, and including in said film-like composition a source of labile hydrogen of the formula R.sup.7 --X--CH.sub.2 --CHOH--CH.sub.2 OH wherein R 7 is alkyl, alkanoyl, thiazolinyl, alkenyl, benzyl, alkylbenzyl, alkoxybenzyl, hydroxyalkylbenzyl, and halobenzyl; the alkyl radical having from 1 to 7 carbon atoms; and X is oxygen or sulphur, there being at least one mole of said diol in said composition for each mole of said image-forming tellurium compound.

Claim 38

The improved method according to claim 33, wherein said tellurium compound is selected from the group consisting of R.sub.x --Te--Hal.sub.y ; (Hal--R.sup.1).sub.x --Te--Hal.sub.y ; and TeCl.sub.n Br.sub.m in the foregoing formulae, R being an organic radical containing at least 1 carbonyl group, R 1 being the residue of an ethyleneic hydrocarbon, Hal being halogen, x being 1, 2 or 3; and x+y=4; n being an integer from 1 to 4 and m+n=4.

Claim 39

The improved method according to claim 33, wherein said tellurium compound is tellurium oxide, a tellurite or tellurate salt, or an inorganic compound formed from a tellurium oxide in which the tellurium has a valence between +2 and +6.