472 results about "Blue dye" patented technology

The disperse yellow-brown dye composition and corresponding disperse dye are provided. The disperse yellow-brown dye composition consists of component A in 1-99 wt% and component B in 1-99 wt% basically, with the structures of component A and component B being shown. The disperse yellow-brown dye composition may be treated into liquid state with particle, emulsion, powder or granule. The disperse yellow-brown dye based on the disperse blue dye composition is used in dyeing polyester fiber material, and through regulating the ratio of different components, excellent yellow to orange dyed fabric with bright color, excellent dispersivity, sunfast property, water resistance, sweat resistance and other advantages may be obtained.

The present invention relates to one kind of disperse blue dye composition, and the disperse blue dye composition comprises dye A shown in expression (I), one or several kinds of dye B shown in expression (II), and one or several kinds of dye C shown in expression (III). When the disperse blue dye composite of the present invention is used in dyeing hydrophobic fiber material, especially polyester fiber material and acetate fiber material, the disperse blue dye composite has the features of high dyeing degree, high dye fastness, high build up, good level dyeing property, etc.

A guest-host liquid crystal display device comprises a pair of substrates opposing each other with a space therebetween, a guest-host liquid crystal held in the space, the guest-host liquid crystal containing a dichroic dye mixture exhibiting a black color as a whole, and electrodes provided on the substrates for applying a voltage to the guest-host liquid crystal. The dichroic dye mixture comprises a bis-azo blue dye having a thienothiazole ring represented by the following chemical formula (1) and a tris-azo bluish purple dye having a benzothiazole ring represented by the following chemical formula (2): wherein R1 is a hydrogen or halogen atom, CnH2n+1, COCnH2n+1, OCOCnH2n+1, COOCnH2n+1, or CH2COOCnH2n+1, wherein n is an integer from 1 to 8; each of R2 and R3 is a hydrogen atom or CnH2n+1; R3 may be or and a combination of R2 and R3 may form wherein n is an integer from 1 to 8, and m is an integer from 1 to 5; and R4 is a hydrogen or halogen atom, or CnH2n+1, wherein n is an integer from 1 to 8.

The invention discloses a method for preparing a novel Fe3+-doped TiO2 opened-port or closed-port hollow sphere composite catalyst, which comprises the following steps of: preparing a Fe3+-doped carbon/titanium dioxide nuclear shell particle by using a template method-hydrolysis cladding method and calcining for 2-4h at certain temperature to obtain the Fe3+-doped TiO2 opened-port or closed-port hollow sphere composite catalyst. The method can be applied to solar visible light catalytic degradation cation blue dye solution. In the invention, the Fe3+-doped TiO2 composite hollow sphere is prepared from ferric sources, titanium sources and carbon spheres with low cost, thereby the invention has the advantages of no pollution caused by used raw materials, simple process of method, no pollutant emission in the preparation process, short preparation period, less energy consumption and low cost, and can realize scale preparation, and the invention belongs to the green synthesis technology. A light absorption side of the composite light catalyst carries out red shift to a visible light region after the doping of Fe3+, so that the utilization ratio of the solar visible light is improved and the degradation efficiency under the visible light is greatly improved.

The present invention discloses a vat dark blue dye and its preparation method. Its composition comprises (by weight portion) portion of vat dark blue, 0.8-2 portions of dispersing agent and 0.8-2 portions of lignin, and also contains (wt%) 0.1%-1.0% of dust-proofing agent. Its preparation method includes the following steps: (1) stirring water, vat dark blue, dispersing agent and lignin, beating and mixing them; (2). grinding; (3) drying; and (4). adding dust-proofing agent, and mixing them uniformly obtain the invented dye which can be directly used to make pigment pad dyeing and pigmentation cheese dyeing so as to reduce energy consumption.

The disperse blue dye composition consists of component A in 1-99 wt% and component B in 1-99 wt% basically, with the structures of component A and component B being shown. The disperse blue dye based on the disperse blue dye composition may be liquid state with particle, emulsion, powder or granule. The disperse blue dye based on the disperse blue dye composition is used in dyeing polyester fiber material, and through regulating the ratio of different components, excellent deep blue dyed fabric with bright color, excellent dispersivity, sunfast property, water resistance, sweat resistance and other advantages may be obtained.

The invention provides a pure blue gel ink, which comprises the following components by weight portion: (a) 2.0 to 7.0 portions of water-soluble blue dye, (b) 0.1 to 0.2 portion of thickening agent, (c) 0.5 to 2.5 portions of acrylic resin, (d) 10.0 to 15.0 portions of humectant, (e) 0.05 to 0.3 portion of antiseptic anti-mildew agent, (f) 0.1 to 0.5 portion of auxiliary agent, and (g) 74.5 to 82.25 portions of water, wherein the total weight of the components (a) to (g) accounts for 95 to 100 percent of the total weight of a composition. The pure blue gel ink has the advantages of good stability and water-fast writing.

The present invention discloses a kind of cationic black dyes used in modified Dacron and blend dye for Dacron and acrylic textiles, which comprise the following components by weight: 10-40 percent of yellow dyes by chemical formula weight (I), 10-40 percent of hyperon by chemical formula weight (II), 5.8 percent of the blue dyes by chemical formula weight (III) and the rest accessory ingredients. The inventive dyes solve the problem that fails to heat resistance in the two process and cationic dyes, and bright-color remains unchanged and the fastness heightened.

This invention discloses the bacillus of glutaminic acid, this fungus by name glutaminic acid bacillus (Corynebacteriumglutamicum ) G32, own to preserve in ' China model culturation preservation center ' it is CCTCC NO.M205028 of preserve number. The bacterial strain is in short bar shape when it is young, exist individually or in pairs, ' V ' shape arranged, not forming mycelium, leather blue dye is positive but easy to fade, do not move, does not give birth to the spore , does not resist the acid , facultative anaero which needs nutrition-rich medium, its colony is protruding, semitransparent, the glassy surface. The ammonia amount of Gln accumulated in this fermented liquid of fungus reaches 75-80g/L, and this fungus tolerance is up to the salt concentration of 8%- 10% of ammonium sulfate.

A cyan dye set and ink-jet ink composition with high water-fastness. The cyan dye set is suitable for use in ink-jet printing and includes Acid Blue 90 dye and at least one copper phthalocyanine type blue dye. The cyan dye set has good water-fastness and exhibits improved printing quality when applied in ink-jet printing.

The invention discloses a mesothermal disperse blue dye composition, which comprises by weight: 73%-99% of component A, 1%-25% of component B and 0%-2% of component C. Wherein, the component A is a compound as shown in formula (1), the component B is one or more of the compounds shown in formula (2), and the component C is one or more of the compounds shown in formula (3). The mesothermal disperse blue dye composition provided in the invention has bright color, good alkali resistance, good color fastness to light, and great lifting power, and is obviously higher than disperse blue 56# in terms of sublimation fastness and washing fastness. In addition, the mesothermal disperse blue dye composition has good comparability and strong color rendering capability, so that the usage amount of the dye can be obviously reduced, thus reducing cost.

The invention discloses a disperse blue dye composition, mainly comprising a component A and a component B, wherein the component A is at least one of compounds shown by a formula (I), and the component B is a compound shown by a formula (II). The invention also discloses a disperse dye comprising the dye composition and a preparation method and an application of the disperse dye. The disperse dye disclosed by the invention has the advantages of bright color, good deep dyeing property, high strength, good lifting power, good sublimation fastness, excellent fastness to saliva and the like; in particular, the disperse dye has a good printing effect; the printed fabric is clear in outline, thick and bright in color, and better than an expensive C.I. disperse blue 60 dye finished product in dyeing intensity; as a result, the usage amount of the dye can be greatly saved and the dyeing cost also can be saved.

A dispersed blue dyestuff compound is made up of the one or a few dyestuff A, one or few dyestuff B, one or a few dyestuff C and the assistant which the weight percent of the A is 30-90%, the B is 5-50%, the C is 1-40%. The Dacron fiber material dying by the dyestuff has the good pile-on properties, so the dying fabric has the good color, dispersibility and sun proof, wash resistance, sweat resistance.

The present invention belongs to immunological parasitic disease diagnosis technology. The reagent kit is prepared via dye labeling process and includes labeling antigen solution compounded with 2BLN disperse blue dye, soluble schistosoma japoncium egg antigen, 1% sodium azide and bow serum albumen blocking liquid; and test paper strip with nitrocellulose as chromatographic film detection lines of human sheep antigen IgG and contrast lines of soluble schistosoma japonium egg resisting rabbit antigen IgG on the chromatographic film. The serum to be tested is mixed with the labeling antigen solution and the mixture liquid is tested with the test paper strip.

Polyolefin fibers and filaments, and fabrics made therefrom, are rendered dyeable via a combination of dyeability additives. The dyeability additive combination comprises at least one compound selected from the group consisting of the polyamides, copolyamides and polyetherpolyamides and at least one ethylene vinyl acetate. The dyed polyolefin fibers and fabrics are rendered light stable via the use of a combination of stabilizers, which comprises at least one compound selected from the group consisting of the ultraviolet light stabilizers and at least one compound selected from the group consisting of the hindered amine light stabilizers. The ultraviolet light stabilizers are for example hydroxyphenylbenzotriazoles or tris-aryl-s-triazines. The hindered amine light stabilizers are for example of high molecular weight, for instance greater than 1000 g/mol. The dyes are for example anthraquinone blue dyes, anthraquinone red dyes, diazo red dyes or nitro yellow dyes.

The invention discloses a disperse blue dye composition. The composition is basically prepared from one or more of a component A as shown in a formula (I), a component B as shown in a formula (II) and a component C as shown in a formula (III). Furthermore, a component D as shown in a formula (IV) and a component E as shown in a formula (V) can be selectively added into the disperse blue dye according to requirements. The invention further discloses a preparation method and an application of the composition. The disperse blue dye has the advantages of bright color, good sublimation fastness, good perspiration fastness, good light fastness and the like, the dye cost is relatively low, and pollution is relatively small.

Disclosed is a color filter photosensitive resin composition that includes (A) an acryl-based binder resin having at least one carboxyl group, (B) an acryl-based photopolymerizable monomer, (C) a photopolymerization initiator, and (D) a solvent, where at least one of the acryl-based binder resin or the acryl-based photopolymerizable monomer includes a blue dye functional group. The color filter photosensitive resin composition can be prepared into a color filter having uniformity, almost no residue, and high resolution due to ultrafine pixels of 1.4 μm or less.

A water-based ink set for ink-jet recording is provided which is capable of: reducing graininess in a low-density printed part in a cyan direction without reducing the color reproduction range in the cyan direction in a high-density printed part; extending the color reproduction range in a blue direction and/or a green direction; improving the vividness of the blue color and/or the green color; and improving gas resistance in a printed part in the cyan direction. The water-based ink set for ink-jet recording includes a cyan pigment ink employing pigment as a coloring agent and a blue dye ink employing dye as a coloring agent and/or a green dye ink employing dye as a coloring agent. The cyan pigment ink is a light cyan pigment ink having a lightness (L*) of about 60 or more in the L*a*b* colorimetric system.

The invention relates to a dye composition, in particular to a high washing fastness dispersed dark blue dye composition. The high washing fastness dispersed dark blue dye composition is composed of 35 % to 50 % of dispersed red, 20 % to 40 % of dispersed golden yellow, 10 % to 30 % of dispersed purple and 10 % to 30 % of dispersed yellow in a mixing mode, and the balance auxiliaries. The dispersed red is the combination of one or more kinds of compounds shown in a formula (1); the dispersed golden yellow is the combination of one or more kinds of compounds shown in a formula (2); the dispersed purple is the combination of one or more kinds of compounds shown in a formula (3), and the dispersed yellow is the combination of one or more kinds of compounds shown in a formula (4); when the high washing fastness dispersed dark blue dye composition is used for dyeing of spandex fabrics, the dyeing effect is good, the color fastness is good, and the quality of the spandex fabrics can be greatly improved.