Abstract:
Photosensitive material for electrophotography containing as a sensitizer the compounds of the formula:
WHEREIN R1, R2 and R3 are selected from the group consisting of nitro, cyano, halogen, trifluoro-methyl, acyl, lower alkyl, lower alkoxy, aryl, aralkyl, and hydrogen; X is selected from the group consisting of oxygen and malononitrile; R4 is selected from the group consisting of, substituted or non-substituted, alkyloxy, alkylamino, aralkyloxy, aralkylamino, aryloxy, and arylamino; and R1, R2, R3 may be the same or different.
Abstract:
A metal-noncorrosive ink comprising a dye having at least one -COOM (M being an alkali metal atom or an ammonium ion) in its molecule and a liquid medium dissolving or dispersing the dye therein, wherein the ink comprises a sulfate and a hydroxide, and its pH is adjusted within a range of from 7 to 10.5.
Abstract:
Provided is an ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I): wherein R1, R2, and R3 are respectively hydrogen or SO3M; R4 is hydrogen, OCH3, NH2, NHCONH2, or SO3M; R5 is hydrogen or SO3M; R6 is hydrogen or NH2; R7 is hydrogen, CH3, or OCH3; R8 is hydrogen, COOM, or SO3M; R5 is hydrogen and R8 is COOM when both of R4 and R6 are respectively NH2; M is an alkali metal, ammonium, or organic ammonium; and m is 0 or 1, or a compound represented by the general formula (II): wherein R1 is hydrogen, CH3, COOM, or SO3M; R2 is hydrogen, CH3, or COOM; R3 is hydrogen, chlorine, COOM, or SO3M; R4 is hydrogen, OCH3, NH2, NHCONH2, or SO3M; R5 is hydrogen or SO3M; R6 is hydrogen or NH2; R7 is hydrogen, CH3, or OCH3; R8 is hydrogen, COOM, or SO3M; R5 is hydrogen and R8 is COOM when both of R4 and R6 are respectively NH2; M is an alkali metal, ammonium, or organic ammonium; and m is 0 or 1.
Abstract:
A liquid composition comprising a water-soluble dye is provided. The composition contains iron and silicon at a concentration of 9 ppm or less. A method for recording with liquid droplets formed from the liquid composition is also provided. Further, a water soluble dye for the liquid composition is provided, the dye containing iron and silicon at a total concentration of 250 ppm or less.
Abstract:
A recording liquid comprises C.I.Acid Red 8 as a recording agent for forming an image and a liquid medium comprising at least (a) a member selected from the group consisting of polyethylene glycol, polyethylene glycol mono methylether and a mixture thereof, (b) a member selected from the group consisting of diethylene glycol, sulfolane and a mixture thereof, (c) a member selected from the group consisting of N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone and a mixture thereof, and (d) water.