53results about "Hydrazone dyes" patented technology

A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.

The present subject matter relates to AIE luminogens for visualization and treatment of cancer, particularly AIE luminogenic probes for cancer cell visualization and discrimination, lysosome-targetingAIEgens for imaging and autophagy visualization, highly fluorescent AIE-active theranostic agents for monitoring drug distribution and having anti-tumor activity to specific cancer cells, probes comprising AIE luminogens for cancer cell imaging and staining, AIE luminogens having clusteroluminogenic features and applications thereof, and methods of preparing thereof.

Disclosed herein are embodiment relating to a methods of obtaining a functionalized porous or fibrous solid substrate with the chemical and/or physical properties of a nano-structured molecular or polymer chemical compound that contains it. In accordance with some example embodiments, the properties of the starting substrate may be modified to obtain a new functionalized substrate. The new substrate may have various applications, such as, for example, an optical- and/or fluorescent-type chemical sensor, as a chemical sequestrator, or as a modifier of the properties of a surface, making it, for example, superhydrophobic.

The invention discloses a pyrrolidine double-fluorine-boron strong fluorescent dye and a preparation method and application thereof, wherein the structure is as shown in formula (1), R1, R2 and R3 areH or C1-C6 linear or branched alkyl group, R5 is H, Cl, xylylene group, nonane group, benzene ring group, OR9, NR9R10, or SR9. R4, R6, R7 and R8 are each independently H, C1-C6 linear or branched alkyl, C1-C6 linear or branched cycloalkane group; wherein R9 and R10 are each independently H, CH2COOEt, oxo group, xylyl group, C1-C6 linear or branched alkyl or C1-6 linear or branched cycloalkane group; the pyrrolidine double-fluorine-boron strong fluorescent dye has the advantages of up to 998 GM double-photon absorption cross section at 700-900nm, high molar absorption coefficient, high fluorescence quantum yield, high light stability and double photon fluorescence and the like.

An ink set contains a first ink containing a compound in which a pyrazolone ring and a thiazole ring are bonded and a second ink containing a compound in which a pyrazolone ring and a pyridinedione ring are bonded. A thermal transfer recording sheet has a first ink layer containing a compound in which a pyrazolone ring and a thiazole ring are bonded and a second ink layer containing a compound in which a pyrazolone ring and a pyridinedione ring are bonded.

The invention discloses a carboxamide type dye which has an azo structure and is used for dyeing polylactic acid fibre. The molecular structure contains a carboxamide group; the general structural formula of the dye is shown above. In the formula, D is a chromogen with the azo structure; m is 1 or 2; X is H or n-CnH2n+1; Y is H, n-CnH2n+1, C6H12 or C6H6; and in the n-CnH2n+1, n meets the following condition: n is more than or equal to 1 and less than or equal to 18,,and n is an integer. The invention simultaneously discloses a method for preparing the dye. The dye is used to improve the rate of dye-uptake and color fastness on the PLA fibre.

Provided are a novel hydrazide chelate complex compound which is excellent in terms of both solubility in a coating solvent and light fastness, which can be used for blue laser recording, and which is useful as a dye for forming a recording layer of an optical recording medium, the hydrazide chelate complex compound being represented by general formula (1) below; and a dye for forming a recording layer of an optical recording medium, the dye containing the compound.

In general formula (1), ring A represents an aromatic ring; R¹ and R⁶ each represent an aromatic ring group or a monovalent nonaromatic ring substituent having 20 or less carbon atoms; R² to R⁵ each represent a hydrogen atom, an aromatic ring group, or a monovalent nonaromatic ring substituent having 20 or less carbon atoms; n represents 0 or 1; a represents an integer of 1 to 3; M represents a transition metal atom; and X represents an atom of Groups 14 to 16 of the periodic table.

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

Disclosed is a novel hydrazide chelate complex compound excellent in both solubility in a coating solvent and light resistance, which is applicable to a blue laser recording and useful as a dye for forming a recording layer of an optical recording medium. The hydrazide chelate complex compound is represented by the general formula (1) below. Also disclosed is a dye for forming a recording layer of an optical recording medium, which contains this compound. (1) In the formula, ring A represents an aromatic ring; R<1> and R<6> respectively represent an aromatic ring group or a monovalent non-aromatic ring substituent having 20 or less carbon atoms; R<2>-R<5> respectively represent a hydrogen atom, an aromatic ring group or a monovalent non-aromatic ring substituent having 20 or less carbon atoms; n represent 0 or 1; a represents a number of 1-3; M represents a transition metal atom; and X represents a group 14-16 element atom of the periodic table.

The present invention relates to a colorant for hair dyeing containing a compound represented by the following general formula (I), a composition for hair dyeing containing the same, and a hair dyeing method:

(in the formula, R₁, R₂ and R₃ each independently represent a hydrogen atom, a linear or branched alkyl group having from 1 to 6 carbon atoms, or a linear or branched alkoxy group having from 1 to 6 carbon atoms, and An⁻ represents an inorganic anion or an organic anion).

The invention discloses a pyrrole hydrazone hydrazine difluoroboron hyperfluorescence dye and a preparation method thereof. The structure of the pyrrole hydrazone hydrazine difluoroboron hyperfluorescence dye is expressed as a general formula (1) which is as shown in the description, wherein R1, R2 and R3 are H or C1-C6 straight-chain or branched-chain alkyl; R5 is H, Cl, a thiophene group, a furan group, a benzene ring group, OR9, NR9R10 or SR9; R4, R6, R7 and R8 are H, C1-C6 straight-chain or branched-chain alkyl and C1-C6 straight-chain or branched-chain naphthene groups independently and separately; R9 and R10 are H, naphthyl, thienyl, C1-C6 straight-chain or branched-chain alkyl or C1-C6 straight-chain or branched-chain naphthene groups independently and separately. The pyrrole hydrazone hydrazine difluoroboron hyperfluorescence dye has the advantages of large molecular plane, high molar light absorption coefficient, high fluorescence quantum yield and highlight stability; meanwhile, the preparation method adopts a one-pot preparation process; and the method is simple. (The formula is shown in the description.).

Provided is a colored composition suitable for the formation of a colored cured film having both heat resistance and solvent resistance. A colored composition comprises (A) a coloring agent and (B) a polymerizable compound, wherein the coloring agent contains a compound having a structural unit represented by formula (1). [In formula (1), R1 represents a hydrogen atom, a methyl group or a trifluoromethyl group, and R2 and R3 independently represent a hydrogen atom, a halo group or a substituted or unsubstituted hydrocarbon group, wherein R2 and/or R3 represents a halo group or a halo-group-substituted hydrocarbon group; A represents a bivalent group; G represents a bivalent hydrocarbon group or a single bond, wherein the bivalent hydrocarbon group may have a linking group selected from a -O- group, a -S- group, a -CO- group and a -NR7- group between a C-C bond; R7 represents a hydrogen atom or a substituted or unsubstituted hydrocarbon group; Zm+ represents a cationic chromophore; m represents a natural number of 1 to 3; and p represents a natural number of 1 to 8.]