83 results about "Blue dye" patented technology

The invention discloses a dyeing method of an ornamental blue dye, and relates to the dyeing method of the ornamental blue dye, through combination of plasma treatment and boiling-off, fiber impurity diseases can be effectively removed, the surface activity is enhanced, the adsorption uniformity and permeability of the dye are improved, and tiny pits exist on the fiber surface subjected to plasma treatment, so that the dyeing quality is improved. Compared with the prior art, the method has the advantages that when the dye is dyed, the molecular structure is changed, the roughness is higher, the dip dyeing firmness of the dye is improved, and the fiber damage can be reduced and the dye utilization rate can be improved on the premise of ensuring the dyeing effect by optimizing the components of the ornamental blue dyeing solution and the pretreatment solution. Besides, by means of segmented treatment in the dyeing process, dye can be promoted to fully permeate into the fibers, dyeing defects are reduced, the dyeing firmness is improved, finally, microwave is used for assisting color fixation, bonding of the dye and the fibers is further increased, the color fixation time is shortened, and meanwhile the coloring firmness is obviously improved.

The invention provides a substituted amino bipyridine derivative as well as a preparation method and application thereof, the structure of the substituted amino bipyridine derivative is as shown in formula I. In the formula, R1, R2, R3 and R4 are independently selected from any one of H, C1-C6 alkyl, C2-C6 alkenyl, C2-C20 alkynyl, C3-C6 cycloalkyl, C5-C20 aryl or C5-C20 heterocyclic radical; when R1, R2, R3 and R4 are not methyl, no more than one of R1, R2, R3 and R4 is H; and when any one of R1, R2, R3 and R4 is methyl, the rest groups are independently selected from H or methyl. When the substituted amino dipyridyl derivative provided by the invention is used as a blue dye, the dyed blue dye is bright in color, deep in dyeing and comprehensive in dyeing fastness; the preparation process is simple, convenient to purify, safe, simple, convenient and energy-saving, the product quality is stable, the reproducibility is good, the yield is high, and the method is suitable for industrial production.

The invention relates to the technical field of microbial fermentation, and particularly discloses a composite blue dye and a fermentation process thereof. According to the method, the fermentation temperature and pH are controlled, the flux of synthesized mesoscopic blue is limited, part of the flux is led to synthesis of pyridone, the mesoscopic blue in the fermentation liquor is regulated and controlled to be mixed with pyridone in a certain proportion, and the purified product mesoscopic blue is compounded with pyridone to form the composite blue dye with a stable specific color. The cost of separately purifying the ornamental blue and the pyridone and then mixing the ornamental blue and the pyridone according to a certain proportion to obtain the composite blue dye is reduced, so that the composite blue dye can be better applied to a subsequent dyeing process. According to the invention, a blue-viewing product form is added, a better dyeing effect can be achieved on the premise of not increasing the production cost, and the application market is widened.

The invention discloses a preparation method and a dyeing process of 5, 5 '-dihydroxy-observation blue, and relates to the field of dye chemical industry. According to the preparation method of the 5, 5 '-dihydroxy-observation blue, provided by the invention, amino on the observation blue is converted into hydroxyl by utilizing the catalytic effect of the vanadium-based catalyst in an acid environment, the production of the 5, 5'-dihydroxy-observation blue can be realized through one-step reaction, the yield is up to 32.47% or above, and the obtained compound can be used as a blue direct dye and can be used for preparing blue dye. After being dyed, a fabric can present bright blue, the K / S value reaches 10 or above, and the fabric has excellent color fastness, and the color fastness to washing, the color fastness to soaping and the color fastness to wet rubbing all reach 4-5 levels.

The invention relates to the technical field of dyeing and finishing, and particularly discloses a biological blue dye, a dyeing solution as well as a preparation method and application thereof. The pyridone dye is mixed into the ornamental blue dye, the ornamental blue light is adjusted, the ornamental blue light shifts to the cyan light, and the red light effect is weakened, so that the problems of reddish color and insufficient dyeing depth after ornamental blue dyeing can be effectively solved, and along with the increase of the mixing proportion of the pyridone dye, higher color depth can be obtained under the same dyeing concentration and number of times, and the dyeing effect is improved. The dry and wet rubbing fastness of the dyed cloth is improved by 0.5 level.

The invention relates to the technical field of colored spun yarns, in particular to a full-color-gamut dye liquor color mixing and spray dyeing device and a method for preparing colored spun yarns. The full-color-gamut dye liquor mixing and spray-dyeing device comprises three dye liquor batching tanks which are respectively used for batching red dye liquor, yellow dye liquor and blue dye liquor, the bottom end of each dye liquor batching tank is provided with a first liquor discharge pipe, and each first liquor discharge pipe is provided with a first proportional valve; the upper end of the dye liquor mixing tank is respectively communicated with each first liquid discharge pipe through a pipeline, and the dye liquor mixing tank is used for mixing and preparing dye; the first atomizing nozzle is arranged below the dye liquor mixing tank, is communicated with the dye liquor mixing tank through a pipeline, and is used for atomizing and spraying the mixed dye liquor to the surface of the fiber. The full-color-gamut spray-dyeing colorful spinning fiber life slivers can be obtained, then production of the full-color-gamut colorful spinning yarn is achieved through the drawing procedure, the technological process is shortened, the color matching efficiency is improved, and meanwhile textile fabric made of the yarn has high color fastness.

The application relates to the technical field of microbial fermentation, and specifically discloses a kind of compound blue dye and its fermentation process. The application controls the fermentation temperature and pH, limits the flux of observing blue, makes part of the flux to the synthesis of pyridone, regulates and controls the mixed pyridone in the fermentation liquor at a certain proportion, and after purification, the product is formed into a compound blue dye with stable specific color, reduces the cost of mixing the compound blue dye at a certain proportion after separately purifying observing blue and pyridone, and makes it better applied to the subsequent dyeing process. The application increases the product form of observing blue, can achieve better dyeing effect under the premise of not increasing production cost, and widens the application market.

The invention provides a high-reliability dye PDLC composition, a PDLC dimming film and a preparation method of the PDLC dimming film. The dye PDLC composition comprises the following components in percentage by weight: 35 to 67 percent of liquid crystal composition, 1 to 8 percent of dichroic dye, 30 to 60 percent of polymer precursor, 0.05 to 3 percent of photoinitiator and 0.2 to 1 percent of spacer particles. The dichroic dye comprises at least one kind of dichroic yellow dye, at least one kind of dichroic red dye, at least one kind of dichroic purple dye and at least one kind of dichroic blue dye. By selecting the specific dichroic dye, the PDLC dimming film is rich and changeable in color and particularly good in black display effect, has the high optical performance that the on-state haze is smaller than 4%, the off-state haze is larger than 95% and the contrast ratio is larger than 5, has excellent UV resistance and heat-resistant stability and is not prone to fading, and therefore the actual requirement for long-term use in various application scenes can be met.

The invention relates to the technical field of synthesis of natural dyes by a biological method, in particular to an antibiotic-demand-free ornamental blue high-yield strain as well as construction and application of the antibiotic-demand-free ornamental blue high-yield strain. Corynebacterium glutamicum is used as an initial strain, a tricarboxylic acid circulating gene is regulated and interfered, and the copy number of exogenous blue pigment synthetase BpsA in a genome is adjusted, so that the ornamental blue high-yield strain is obtained. The strain does not need to use antibiotics in the fermentation process, the yield is stable, the product production capacity equivalent to the level when antibiotics are used can still be achieved through fermentation under the antibiotic-free condition, and the growth performance of the strain is kept. The method for producing the ornamental blue by using the strain provided by the invention ensures that the ornamental blue product is natural and green, also improves the efficient production capacity of the strain, solves the contradiction between green environmental protection and stable high yield of the ornamental blue dye, is green and environment-friendly, and has a remarkable industrial application prospect.

The optical polyester film comprises an anti-ultraviolet layer, an antifouling layer and an anti-fog layer, the antifouling layer and the anti-fog layer are located on the two sides of the anti-ultraviolet layer respectively, and the anti-fog layer comprises, by weight, 70-80 parts of first aromatic polyester; 7 to 15 parts of nano organic silicon particles; 5-23 parts of a hydrophilic agent; the anti-ultraviolet layer is prepared from the following substances in parts by weight: 30 to 45 parts of anti-ultraviolet particles; 0.5 to 1 part of blue polyester; 54 to 69.5 parts of second aromatic polyester; the antifouling layer comprises the following substances in parts by weight: 15-20 parts of modified silicon-fluorine particles; 80 to 85 parts of third aromatic polyester; the weight ratio of the ultraviolet absorbent in the anti-ultraviolet particles is 5%-10%; the weight ratio of the blue dye in the blue polyester is 10%-15%; the weight ratio of silicon to fluorine in the modified silicon-fluorine particles is 4-5%. The film provided by the invention has the advantages of antifogging, antifouling, excellent ultraviolet resistance, scratch resistance, rolling and extraction performance, and excellent optical performance.

The present disclosure provides a display panel and a display device. The material composition of a red filter unit (201) of the display panel comprises a 1,5-substituted alkylamino anthraquinone red dye having a mass percentage content of 0.5-20%. The material composition of a blue filter unit (202) comprises a blue dye, the blue dye comprising at least one of a 1,4-substituted alkylamino blue dye or a hydroxy anthraquinone blue dye which has a mass percentage content of 0.5-20%. The material composition of a green filter unit (203) comprises a 1,4-substituted alkylamino anthraquinone green dye having a mass percentage content of 0.5-20%.

A display device (100) can include an antireflection pattern (152) or a column spacer (154) positioned between a light-emitting diode (D) and a bank layer (150), wherein the antireflection pattern (152) or the column spacer (154) contains a blue dye (135b). The blue light reflected by the antireflection pattern (152) or the column spacer (154) is barely perceptible to the human eye, thus helping to reduce visible spots such as rainbow mura caused by external light reflections. Furthermore, the blue light emitted by the light-emitting diode (D) can pass through the antireflection pattern (152) and / or the column spacer (154), thereby increasing the intensity of the transmitted light. This can improve image quality while minimizing brightness loss.

1. The name of the design product: trailing skirt (topless top blue dye gradient fishtail). 2. The use of the design product: for wearing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view; the top of the design product is not easy to see or not visible during use, omit the bottom view. 6. Other circumstances that need to be explained: the prosthesis model in the design product is a prop and does not belong to the protected design content.

The invention provides an infrared-transmitting nylon composite material as well as a preparation method and application thereof. The infrared-transmitting nylon composite material is prepared from the following components in parts by weight: 40 to 90 parts of nylon, 20 to 40 parts of transparent glass fiber, 0.5 to 2 parts of coupling agent, 1 to 3 parts of flexibilizer and 0.2 to 0.5 part of composite dye, the composite dye is prepared from the following components in percentage by mass: 20%-40% of red dye, 30%-50% of blue dye and 20%-40% of yellow dye. The infrared-transmitting nylon composite material provided by the invention is black, excellent in mechanical property and relatively high in infrared transmittance.

The present invention belongs to the technical field of textile printing and dyeing, and specifically relates to a method and device for solving the problem of reactive turquoise blue dye spots, including a dyeing pool, and further including a laminar flow mixing component, the laminar flow mixing component is installed on the dyeing pool, and the laminar flow mixing component is used for stratifying and mixing the dye in the dyeing pool; by setting the laminar flow mixing component, on the one hand, the dye solution is pumped out of the dyeing vat for stirring and mixing. During the dyeing process, compared with directly mixing in the dyeing pool, pumping it into the auxiliary vat for mixing can avoid the influence of fabrics and mechanical equipment on the dye mixing, and enhance the convenience of stirring and mixing the dye and the dye solution. On the other hand, by setting the laminar flow tube, the extraction and discharge range of the dye and the dye solution is increased, and the uniformity is enhanced. Therefore, in the actual application process, the uniformity of the dye dissolution in the dyeing pool can be enhanced.

The invention discloses a high-fastness disperse blue dye as well as a preparation method and application thereof, and belongs to the technical field of disperse dyes. The dye comprises the following raw materials in parts by weight: 45-50 parts of a component A, 0-18 parts of a component B and 46-62 parts of an auxiliary agent. The general formula of the component A is the general formula of the component B. The preparation method comprises the following steps: (1) weighing the raw materials; and (2) uniformly mixing to obtain a finished product. The high-fastness disperse blue dye disclosed by the invention has excellent wet treatment fastness such as washing resistance and perspiration resistance and high sublimation fastness, overcomes the defect of the existing dye in fastness performance, complements and perfects the chromatography of the high-fastness disperse blue dye, especially fills the blank of no high-sublimation-fastness sapphire blue and brilliant blue series in printing and pad dyeing processes, and has the advantages of high fastness, high fastness, high fastness and the like. The use requirements of various high-end textiles under different dyeing processes can be met.

A polymerizable blue dye having a structure of general formula (1) is disclosed. In addition, a preparation method of the blue dye, a polymerizable liquid crystal composition including the blue dye and a host liquid crystal, and an optically anisotropic body formed by curing the composition are also disclosed. The blue dye has good light absorption characteristics similar to C.I. Solvent Blue 104, and at the same time, its anti-aging performance after long-term exposure to sunlight is significantly improved.

The invention belongs to the technical field of biological probe preparation, and particularly relates to a fluorescent probe for hypochlorous acid detection and application thereof. The fluorescent probe comprises a near infrared fluorescent probe NIR-CDs and a red light fluorescent probe R-CDs, and the NIR-CDs probe is synthesized and prepared by taking toluidine blue dye as a precursor and introducing gallic acid; the R-CDs are prepared by using a nuclear fast red dye as a precursor to adjust the emission wavelength of carbon dots and introducing biuret. The fluorescent probe provided by the invention is simple and convenient in preparation method, easy to operate and stable and reliable in detection result, and compared with part of types of probes in the prior art, the probe material provided by the invention has the advantages of high sensitivity, wide application range, stable fluorescent signal and the like, so that the probe material can be used for preparing the fluorescent probe. The fluorescent probe has very important practical value and popularization and application significance in hypochlorite (ClO-) detection or related fluorescence imaging detection application.

The invention relates to the field of intelligent wearable equipment, and discloses intelligent sleeve glasses type multifunctional liquid crystal dimming glasses which comprise a glasses frame, glasses legs are fixedly connected to the two sides of the glasses frame, a color adjusting assembly is fixedly connected to the outer portion of the glasses frame, a shell is fixedly connected to the outer portions of the glasses legs, and an interaction assembly is installed in the shell. The shell is used for communicating with a mobile terminal APP and customizing the light transmittance, and a modularized light color self-adaption and audio enhancement integrated system is installed in the shell. The light color sensing module is arranged to collect ambient light intensity and spectral information in real time, a multi-layer color adjusting assembly composed of a red dye liquid crystal layer, a blue dye liquid crystal layer and a neutral gray light reducing film is combined, and a light color compensation algorithm integrated in the central processing module is used for cooperative operation. The driving voltage of the three layers of optical films can be dynamically adjusted according to specific color temperature characteristics of ambient light and user setting, so that color cast is compensated while brightness is adjusted.

The invention relates to the technical field of dichroic dyes, and particularly provides a total anthraquinone type black dichroic dye, a guest-host liquid crystal composition containing the total anthraquinone type black dichroic dye and application of the total anthraquinone type black dichroic dye. The total anthraquinone type black dichroic dye provided by the invention comprises an anthraquinone type orange dye, an anthraquinone type red dye and an anthraquinone type blue dye, each of the anthraquinone orange dye, the anthraquinone red dye and the anthraquinone blue dye comprises a structural formula as shown in a formula (1). The total anthraquinone type black dichroic dye provided by the invention shows remarkable absorption in a visible light broadband range of 400-650nm, not only covers a main interval from purple light to red light, but also keeps relatively stable absorbance in the broadband, and shows broadband absorption characteristics; meanwhile, the average dichroic ratio can reach 11.28, and the optical performance is excellent; and the material also has excellent switching performance between a black opaque state and a transparent state, and can realize rapid reversible switching between the two states under the action of an electric field.

1. The name of the design product: tableware (blue dye gold Tang grass). 2. The use of the design product: the design is used for tableware in the scene of family, restaurant, etc. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best shows the design points: set 7 top view. 5. The design for which protection is sought includes color. 6. As expressed in the views submitted, omit other views, omit the rear, left and right views of each set.

The application discloses a red dye solution, a reagent combination and a method for Masson trichrome staining, and belongs to the field of histochemistry technology. The red dye solution comprises 0.4-1.0% of bibracine, 0.4-1.0% of temptation red and 1-2% of acetic acid, and water is used as a solvent, and the red dye solution further comprises 0.05-0.15% of orange G sodium salt; the reagent combination comprises the red dye solution and further comprises a blue dye solution, the blue dye solution comprises 2% of aniline blue, 1-2% of acetic acid, and water is used as a solvent, and the blue dye solution further comprises 0.005-0.03% of fast green, 0.0025-0.015% of brilliant green or 0.005-0.03% of bromocresol green sodium salt. The reagent combination further comprises hematoxylin dye solution, red differentiation agent and blue differentiation agent. The improved red dye solution for Masson trichrome staining provided by the application increases the affinity for muscle fiber dyeing, makes the muscle fiber dyeing more firm, and can still maintain bright red after phosphomolybdic acid differentiation. Meanwhile, the improved blue dye solution makes the collagen fiber dyeing more bright, and the color contrast between the muscle fiber and the collagen fiber is more obvious and easier to distinguish.

This invention relates to a blended dyeing solution of biological blue dye and biological black dye and its dyeing method, belonging to the field of dyeing and finishing technology. This invention utilizes a blend of biological blue dye and biological black dye, including a co-bath dyeing solution and an over-dyeing solution. Dyeing textiles using the co-bath dyeing solution, or using the black dye solution in the over-dyeing solution for initial base dyeing followed by over-dyeing with the blue dyeing solution, can significantly enhance the depth of the blue color, resulting in a navy blue textile with a reddish correction effect. Dyeing textiles using the co-bath dyeing solution and the over-dyeing solution of this invention can achieve a color depth and luster that are different from the insufficient depth achieved by dyeing the two dyes individually. Furthermore, it can synergistically improve the color fastness to dry and wet rubbing by 0.5-1 grade, and achieve a light fastness of 6-7 grade.

The invention belongs to the technical field of papermaking, and provides a white core white cardboard as well as a preparation method and application thereof. The white core white cardboard provided by the invention comprises raw paper, the raw paper comprises a surface layer, a core layer and a bottom layer which are sequentially stacked from the front side to the back side, at least one surface of the raw paper contains a first coating, the first coating comprises a surface coating, a lining coating and a bottom coating, and the preparation raw materials of the surface coating comprise pigment yellow and pigment green; the core layer is prepared from blue dye and purple dye. Through the combined process of surface coating toning and core layer toning, the whiteness and hue of the front and back surfaces of the white core white cardboard meet the requirements, meanwhile, the hue adjusting space for core layer toning is large, the fault tolerance is high, the effect is mild, the coating pigment adding amount is reduced, the banner blue spot problem caused by excessive dependence on coating toning is avoided, and the production efficiency is improved. The quality of the finished paper is influenced, good printing performance is ensured, and the hue of the finished paper is quickly and accurately regulated and controlled.

The invention relates to a distorted condensed ring blue vat dye with pyrazine and oxazine structures and a preparation method and application thereof, and discloses a preparation method and application of a blue vat dye with a certain distorted structure. According to the blue dye, different conjugated units are creatively connected in parallel through oxazine and pyrazine fused rings, the conjugated structure of molecules is expanded, the absorption wavelength of the molecules is subjected to red shift, and meanwhile, the fused rings provide high rigidity and stability for the molecules. In addition, the heterocyclic structure of oxazine and pyrazine also provides certain distortion for molecules, so that accumulation among molecules is improved, certain solubility of the molecules is ensured, and intramolecular charge transfer is enhanced. Through the design, the absorption spectrum, the light stability, the heat stability and the acid-base stability of the molecule are improved, and huge potential is provided for the molecule as a novel blue vat dye.

The present invention belongs to the field of papermaking technology and provides a white core white cardboard and its preparation method and application. The white core white cardboard provided by the present invention comprises base paper, which comprises a surface layer, a core layer and a bottom layer stacked in sequence from the front to the back. At least one surface of the base paper contains a first coating layer, which comprises a top coating layer, a lining coating layer and a bottom coating layer. The raw materials for preparing the top coating layer include pigment yellow and pigment green, and the raw materials for preparing the core layer include blue dye and purple dye. The present invention uses a combined process of top coating color adjustment and core layer color adjustment to ensure that the whiteness and hue of both sides of the white core white cardboard meet the requirements. At the same time, the hue adjustment space for the core layer color adjustment is large, the fault tolerance is high, the effect is mild, and the amount of coating pigment added is reduced, thereby avoiding the problem of blue spots on the banner caused by excessive reliance on coating color adjustment, affecting the quality of the finished paper, ensuring good printing performance, and achieving rapid and precise control of the hue of the finished paper.

The application provides a blue dye and a fermentation process thereof, the dye comprising (85-98):(0.01-5):(0.5-10) of obelin, N-acetyl obelin and pyridinone in terms of mass percentage; the fermentation process comprises the following steps: inoculating activated obelin-producing recombinant strain liquid into a seed culture medium to culture, and obtaining a seed liquid; and then inoculating the seed liquid into a fermentation tank to carry out three-stage fermentation culture; the process utilizes the stage change of temperature, pH and dissolved oxygen to accurately control the metabolic flow of the strain, ensures the efficient synthesis of obelin, and improves the relative content of N-acetyl obelin and pyridinone; the mass percentage of obelin, N-acetyl obelin and pyridinone in the fermentation liquid is (85-98):(0.005-5):(0.2-10). The application can accurately control the synthesis ratio of the three components, realizes efficient preparation under the premise of ensuring the stability of the components, has strong controllability, and is suitable for industrialized fermentation production.

The invention provides a breast cancer sentinel lymph node positioning device, and belongs to the technical field of medical equipment. According to the device, a light absorption substance is injected through the injection module, the laser emission module emits a laser beam of which the wavelength is matched with the absorption peak of the light absorption substance, and the infrared thermal imaging module captures the temperature change caused by the photothermal effect and displays the overall design of an infrared thermal image. The sentinel lymph node positioning device solves the problem that an existing device using radionuclide combined with a blue dye method cannot position sentinel lymph nodes visually and accurately in real time without radiation. The device comprises an injection module, a laser emission module and an infrared thermal imaging module, and further comprises a temperature control module for controlling the temperature of an irradiation area of the laser emission module to be lower than a set temperature threshold value; the position adjusting module is used for adjusting the position of the laser emitting module; and the control module is used for controlling the laser emitting module, the infrared thermal imaging module and the position adjusting module.

This application belongs to the field of biological probe preparation technology, specifically relating to a fluorescent probe for hypochlorous acid detection and its application. The fluorescent probe includes two types: near-infrared fluorescent probes (NIR-CDs) and red fluorescent probes (R-CDs). NIR-CDs are prepared by introducing gallic acid as a precursor using toluidine blue dye; R-CDs are prepared by introducing biuret to adjust the emission wavelength of the carbon dots using nucleoside red dye as a precursor. The fluorescent probe provided in this application has a simple and easy-to-operate preparation method, and the detection results are stable and reliable. Compared with some types of probes in the prior art, the probe material provided in this application has advantages such as high sensitivity, wide applicability, and stable fluorescence signal. Therefore, it is particularly suitable for detecting hypochlorous acid (ClO₂). ‑ It has significant practical value and promotional significance for detection and related fluorescence imaging detection applications.

The invention discloses a 5, 5 '-dihydroxy-observation blue derivative as well as a preparation method and application thereof, and relates to the technical field of dyes. The invention provides a preparation method of 5, 6-difluoro-2, 3 According to the 5, 5 '-dihydroxy-observation blue derivative, cyanuric chloride is adopted to replace one or two hydroxyl groups on a 5, 5'-dihydroxy-observation blue parent nucleus, then any one of-NH-SO3M,-NH-Ar-SO3M and-NH-Ar-COOM is introduced on the basis of cyanuric chloride modification to replace chlorine atoms of cyanuric chloride, the polarity of molecules is improved, the molecular weight of the cyanuric chloride is increased, and the molecular weight of the cyanuric chloride is increased. And when the dye molecules are used as dye molecules, homogeneous dye liquor with good dispersity can be obtained, and the contact between the dye and fabric fibers is facilitated, so that the reactive dye with good dye uptake, fixation rate and color fastness to fabrics can be obtained.