Heat-sensitive transfer recording material

Claim 2

A heat-sensitive transfer recording material comprising a colorant layer containing a colorant transferable by heat; a support, and a compound represented by the formula (I) shown below, contained in said colorant layer or a layer adjacent to said colorant layer: ##STR32## wherein M 2+ represents a chelatable metal ion, R 1 and R 2 each independently represent hydrogen atom, a halogen R atom, a monovalent organic group, X represents --N(R 3 )(R 4 ), --OR 6 and hydroxyl group, where R 3 , R 4 , R 5 each independently represent an alkyl group which may also have a substituent, Y represents a 6-membered nitrogen containing aromatic heterocyclic ring together with ##STR33## Z represents an anion, m represents 1 or 2 and n represents 1 or 2.

Claim 3

The recording material of claim 1 wherein said metal ion is a divalent transition metal ion.

Claim 4

The recording material of claim 2 wherein said metal ion is at least one selected from the group consisting of Ni 2+ , Cu 2+ , Fe 2+ , Co 2+ and Zn 2+ .

Claim 5

The recording material of claim 1 wherein said monovalent organic group is at least one selected from the group consisting of alkyl groups, cycloalkyl groups, aryl groups, alkenyl groups, aralkyl groups, alkoxy groups, aryloxy groups, cyano group, acylamino groups, alkylthio groups, arylthio groups, sulfonylamino groups, ureido groups, carbamoyl groups, sulfamoyl groups, alkoxycarbonyl groups, sulfonyl groups, acyl groups and amino groups.

Claim 6

The recording material of claim 1 wherein said 6-membered nitrogen containing aromatic heterocyclic ring is at least one selected from the group consisting of ##STR34##

Claim 7

The recording material of claim 1 wherein said anion is at least one selected from the group consisting of Cl - , Br - , ClO 4 - , R 6 COO - , R 6 SO 3 - , R 6 4 B - and SO 4 2- (wherein R 6 represents alkyl groups, cycloalkyl groups and aryl groups).

Claim 8

The recording material of claim 1 wherein said compound represented by formula (I) is at least one selected from the group consisting of ##STR35## __________________________________________________________________________ M.sup.2+ R.sup.1 m R.sup.2 X Z __________________________________________________________________________ (7) Cu.sup.2+ ##STR36## 1 1-CH.sub.3 ##STR37## [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (8) Co.sup.2+ 1-C.sub.2 H.sub.5 SO.sub.2 NH 1 1-CH.sub.3 ##STR38## [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (9) Ni.sup.2+ 1-NHCOC.sub.14 H.sub.29 1 1-CH.sub.3 ##STR39## [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (10) Ni.sup.2+ ##STR40## 1 1-CH.sub.3 N(C.sub.2 H.sub.5).sub.2 (ClO.sub.4 .sup. -).sub.2 (11) Fe.sup.2+ 1-CONHC.sub.6 H.sub.13 1 1-CH.sub.2 NHSO.sub.2 CH.sub.3 N(C.sub.2 H.sub.5).sub.2 [(C.sub.12 H.sub.25 SO.sub.3 .sup.- ].sub.2 (12) Ni.sup.2+ ##STR41## 1 1-CH.sub.3 N(C.sub.2 H.sub.5).sub.2 (Cl.sup.-).sub.2 (13) Ni.sup.2+ 1-SO.sub.2 C.sub.2 H.sub.5 1 1-CH.sub.3 ##STR42## (CF.sub.3 COO.sup.-).sub.2 7 (14) Ni.sup.2+ 2-CH.sub.3 1 1-Cl N(C.sub.2 H.sub.5).sub.2 (C.sub.6 H.sub.13 COO.sup.- ).sub.2 (15) Cu.sup.2+ 1-OC.sub.4 H.sub.9 (n) 1 1-CF.sub.3 N(C.sub.2 H.sub.5).sub.2 SO.sub.4.sup.- (16) Ni.sup.2+ ##STR43## 1 1-CH.sub.3 N(C.sub.2 H.sub.5).sub.2 [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (17) Ni.sup.2+ NHCOCF.sub.3 1 1-CH.sub.3 OH [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (18) Cu.sup.2+ ##STR44## 1 1-CH.sub.3 OC.sub.2 H.sub.5 [C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 __________________________________________________________________________

Claim 9

The recording material of claim 1 wherein said compound represented by formula (I) is at least one selected from the group consisting of ##STR45## __________________________________________________________________________ M.sup.2+ R.sup.1 m R.sup.2 X Z __________________________________________________________________________ (1) Ni.sup.2+ H 1 1-CH.sub.3 N(C.sub.2 H.sub.5).sub.2 [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (2) Cu.sup.2+ H 1 1-CH.sub.3 N(C.sub.2 H.sub.5).sub.2 [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (3) Ni.sup.2+ 1-CH.sub.3 1 1-OCH.sub.3 ##STR46## [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (4) Cu.sup.2+ 1-Cl 2 1-CH.sub.3, 3-CH.sub.3 ##STR47## [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 (5) Zn.sup.2+ 1-Cl 1 1-CH.sub.3 ##STR48## [(C.sub.6 H.sub.5).sub.4 B.sup.- ] .sub.2 (6) Ni.sup.2+ 1-C.sub.2 H.sub.5 CONH 1 H ##STR49## [(C.sub.6 H.sub.5).sub.4 B.sup.- ].sub.2 __________________________________________________________________________

Claim 10

The recording material of claim 1 wherein said compound represented by formula (I) is at least one selected from the group consisting of ##STR50##

Claim 11

The recording material of claim 1 wherein said recording material is a sublimation transfer system.

Claim 12

The recording material of claim 1 wherein said colorant is a thermally diffusible or sublimable dye.

Claim 13

The recording material of claim 11 wherein said dye is an azomethine dye obtained by the coupling reaction between a compound having an open chain active methylene group or a closed-chain active methylene group and the oxidized product of a p-phenylene-diamine compound or the oxidized product of a p-aminophenol compound.

Claim 14

The recording material of claim 11 wherein said dye is an indoaniline dye obtained by the coupling reaction between a phenol or naphthol compound and the oxidized product of a p-phenylenediamine compound or the oxidized product of a p-aminophenol compound.

Claim 15

The recording material of claim 1 wherein said colorant is represented by formula (II) ##STR51## wherein X 1 represents a mass of atoms necessary for completion of an aromatic carbon ring or heterocyclic ring of which at least one ring is constituted of 5 to 7 atoms, and also at least one atom adjacent to the carbon bonded to the azo bond is (a) nitrogen atom or (b) carbon atom substituted with nitrogen atom, oxygen atom or sulfur atom, X2 represents a mass of atoms necessary for completion of an aromatic carbon ring or heterocyclic ring of which at least one ring is constituted of 5 to 7 carbon atoms, and G represents a chelation group.

Claim 16

The recording material of claim 1 wherein said colorant is represented by formula (III) ##STR52## wherein X 1 has the same meaning as that defined in the formula (II), Z 1 represents an electron attracting group, and Z 2 represents an alkyl group or aryl group.

Claim 17

The recording material of claim 1 wherein a binder which is one component for forming said colorant layer is a water-soluble polymer selected from the group consisting of cellulose, polyacrylic acid, polyvinyl alcohol and polyvinyl pyrrolidone, and polymers soluble in organic solvents selected from the group consisting of acrylic resin, methacrylic resin, polystyrene, polycarbonate, polysulfone, polyether sulfone, polyvinyl butyral, polyvinyl acetal, nitro cellulose and ethyl cellulose.

Claim 18

The recording material of claim 1 wherein the layer adjacent to the colorant layer is a subbing layer.

Claim 19

The recording material of claim 1 wherein said layer adjacent to the colorant layer is a protective layer.

Claim 20

The recording material of claim 1 wherein the compound represented by formula (I) is present in an amount of 0.01 to 10 g per 1 m 2 of the support.

Claim 21

The recording material of claim 19 wherein said colorant is a dye which is present in an amount of 0.05 to 5 g per 1 m 2 of the support.

Claim 22

The recording material of claim 1 wherein the thickness of said colorant layer is 0.1 to 5 μm as dry film thickness.

Claim 23

The recording material of claim 21 wherein the thickness of said colorant layer is 0.5 to 3 μm as dry film thickness.

Claim 24

The recording material of claim 1 wherein said colorant is a dye which is present in an amount of 0.05 to 5 g per 1 m 2 of the support.