摘要:
An optical filter containing at least a clay mineral complex (A). The clay mineral complex (A) comprises a layered clay mineral (B) intercalated with a dye cation (C), and an organic cation (D).
摘要:
A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with peroxomonosulfuric acid or its salt. wherein R111, R112, R121, R122, R131, R132, R141 and R142 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R103, R113, R123, R133 and R143 each independently represent a substituent; and n103, n113, n123, n133 and n143 each independently denote an integer from 0 to 4.
摘要:
It is an object of the present invention to provide an infrared absorption filter which enables a coloring matter having infrared absorptivity to be contained or dispersed uniformly in a high concentration and has excellent durability and an infrared absorption panel comprising this infrared absorption filter. The infrared absorption filter is composed of a polycarbonate resin which contains 20 to 100 mol % of a recurring unit having a fluorene skeleton represented by the formula (1) and 0 to 80 mol % of a recurring unit represented by the formula (2) and a coloring matter having infrared absorptivity.
摘要:
The present invention provides a dye-donor element for use according to thermal dye sublimation transfer, said dye-donor element comprising a support provided with a dye layer containing a dye and a polymeric binder, characterized in that said dye corresponds to the following formula: ##STR1## wherein R.sup.1 to R.sup.12 are as set out in the claims and the description.
摘要:
A thermal transfer sheet including a substrate sheet and a dye supporting layer formed on one surface of said substrate sheet, characterized in that the dye contained in said dye supporting layer is represented by the following general formula ##STR1## wherein R.sub.1 stands for a substituted or unsubstituted alkyl group, cycloalkyl group, aralkyl group or aryl group or an atom or atom group which combines with X to form a five- or six-membered ring; R.sub.2 stands for a substituted or unsubstituted alkyl group, a cycloalkyl group, an aralkyl group or an aryl group, provided that R.sub.1 and R.sub.2 may combine with each other to form a five- or six-membered ring which may have an oxygen or nitrogen atom; R.sub.3 stands for a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group, cycloalkyl group, alkoxy group, aralkyl group, aryl group, acyl group, acylamino group, sulfonylamino group, ureido group, carbamoyl group, sulfamoyl group or amino group; R.sub.4 stands for a substituted or unsubstituted three- to five-membered cycloalkyl group or thienyl group bonded at the .beta.-position, or a substituted or unsubstituted five- or six-membered cycloalkenyl group, or a group represented by the following formula ##STR2## R.sub.5 and R.sub.6 which may be the same or different stand for a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, alkoxy group, acylamino group, sulfonylamino group or ureido group; X stands for a hydrogen atom or an atom or atom group which combines with R.sub.1 to form a five- or six-membered ring; n is 1 or 2; R.sub.7 and R.sub.8 stand for a hydrogen atom, a halogen atom or a lower alkyl group; Z stand for CH.sub.2, O, S or NR.sub.9 ; and R.sub.9 stands for a hydrogen atom or a lower alkyl group.
摘要翻译:一种热转印片,其包括在所述基片的一个表面上形成的基片和染料支持层,其特征在于,所述染料支持层中所含的染料由以下通式表示:其中R1代表取代或 未取代的烷基,环烷基,芳烷基或芳基或与X结合形成五元或六元环的原子或原子基团; R 2表示取代或未取代的烷基,环烷基,芳烷基或芳基,条件是R 1和R 2可以彼此结合形成可具有氧或氮原子的五元或六元环 ; R 3表示氢原子,卤素原子,氰基,取代或未取代的烷基,环烷基,烷氧基,芳烷基,芳基,酰基,酰氨基,磺酰基氨基,脲基,氨基甲酰基,氨磺酰 基团或氨基; R4表示在β-位上键合的取代或未取代的三元至五元环烷基或噻吩基,或取代或未取代的五元或六元环烯基或由下式表示的基团 可以相同或不同的R5和R6代表氢原子,卤素原子,取代或未取代的烷基,烷氧基,酰氨基,磺酰基氨基或脲基; X代表与R1结合以形成五元或六元环的氢原子或原子或原子团; n为1或2; R7和R8代表氢原子,卤原子或低级烷基; Z代表CH2,O,S或NR9; R9代表氢原子或低级烷基。
摘要:
A black dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of at least one cyan, magenta and yellow dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the yellow dyes having the formula: ##STR2## and at least one of the magenta dyes having the formula: ##STR3##
摘要:
A heat transfer sheet is provided, which includes a base sheet and a dye carrier layer formed on one side of said base sheet, said dye carrier layer carrying a mixture of at least one dye expressed by the following general formula (I) with at least one other sublimable dye showing a maximum adsorption wavelength at from 560 to 700 nm and having a molecular weight of at least 345: ##STR1## wherein: R.sub.1 to R.sub.4 each are a C.sub.1 to C.sub.6 alkyl group, a cycloalkyl group or a phenyl group, provided that R.sub.2 may be a hydrogen atom or an alkoxy group and R.sub.3 and R.sub.4 may form together a ring.
摘要:
Colorimetrical determination of hydrogen peroxide in clinical examinations, food additives analyses and general analyses can be carried out accurately, rapidly and economically by using a composition for producing color producing reagents comprising 4-aminoantipyrine, a N-substituted-3-alkylaniline and a hydrogen peroxide activating agent such as peroxidase, said composition forming a coloring material having excellent sensitivity and color stability in contact with hydrogen peroxide.
摘要:
Pyridone dyestuffs of the formula ##STR1## are provided wherein R.sub.1 is hydrogen or an optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heterocyclic radical or an optionally substituted amino group, R.sub.2, R.sub.3, R.sub.4 each independently represent hydrogen, halogen, alkoxy, or optionally substituted alkyl or cycloalkyl, R.sub.5 and R.sub.6 each independently represent hydrogen or an optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heterocyclic radical or R.sub.5 and R.sub.6, R.sub.3 and R.sub.5 and R.sub.4 and R.sub.6 form heterocyclic rings, Y is hydrogen or hydroxy, --CN, --COOR.sub.7, --CONR.sub.7 R.sub.8 or --COR.sub.7 or an optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heterocyclic radical, and Z represents --CN, --COOR.sub.9, --CONR.sub.9 R.sub.10, --SO.sub.3 H, --SO.sub.3 .crclbar. or --COR.sub.9, where R.sub.7, R.sub.8, R.sub.9 and R.sub.10 each independently represent hydrogen or an optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heterocyclic radical. The dyestuffs can be used e.g. as cyan image dyestuffs in photographic material, as diffusible dyes which may become mordanted in a receptor layer or as filter, antihalation or acutance dyes in photographic material.
摘要:
A dye composition for keratinic fibers comprises an aqueous alcoholic solution of an indoaniline selected from (a) one having the formula ##STR1## wherein Z is selected from amino, acetylamino and hydroxy; R.sub.5, R.sub.6 and R.sub.7 each independently are selected from hydrogen, lower alkyl having 1-6 carbon atoms and lower alkoxy having 1-6 carbon atoms; R.sub.8 is selected from hydrogen, lower alkyl having 1-6 carbon atoms and together with R.sub.5 and the nitrogen atom to which R.sub.8 is attached form dihydro-paroxazine; and R.sub.9 is selected from hydrogen, lower alkyl having 1-6 carbon atoms and together with R.sub.6 and the nitrogen atom to which R.sub.9 is attached form dihydro-paroxazine, with the proviso that at least two of R.sub.5, R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are other than hydrogen when Z is NH.sub.2 and that only one of R.sub.8 and R.sub.9 form dihydro-paroxazine; (b) an acid salt of said indoaniline in (a); and (c) a double chloride of zinc and said indoaniline in (a). When the indoaniline is employed in combination with an aqueous alcoholic solution, a hair dyeing lotion which also sets the hair is provided by the inclusion therein of a cosmetic film forming resin.