1125 results about "Coloring agents" patented technology

The invention belongs to the field of medical instrument coloring agents, and provides a natural anthocyanin endoscope coloring agent. According to the invention, the innovative design of combining a ternary color-stabilizing compound formed by anthocyanin, a co-chromophore and hydroxypropyl beta cyclodextrin with a chitosan sodium alginate polysaccharide system and a composite buffer system is adopted, and the viscosity is controlled to be 200-320 millisecond, the particle size of spray droplets is 40-60 microns, and the thickness of a thin film is 10-30 microns through specific molar ratio compatibility and a genipin crosslinking technology. Through accurate regulation and control, the excellent performance that a double-network thin layer is formed under the calcium ion environment that the absorbance retention rate at 520 nanometers is not lower than 90% and the elution rate is not lower than 90% under the irradiation of hundred thousand lux white light is achieved, the technical problems that a traditional endoscope coloring agent is poor in safety, low in stability and insufficient in mucous membrane contrast ratio are solved, and the wide clinical application value is achieved.

Formulation delivery systems, formulation delivery devices, and formulation cartridges for the same are provided. Formulation delivery systems include a reusable handle, a formulation dispensing assembly, and a controller. The formulation dispensing assembly includes a reciprocating nozzle assembly and a pump. The reciprocating nozzle assembly is fluidically-coupleable to the formulation cartridge or the cleaning cartridge received within the reusable handle. Formulation delivery devices include a reusable handle configured to receive a formulation cartridge therein, and a formulation dispensing assembly disposed in the reusable handle. The formulation dispensing assembly includes fluid conduits, a pump fluidically connected to the fluid conduits, a reciprocating nozzle assembly, and a controller. Formulation cartridges include a reusable cartridge body and a formulation cartridge refill unit.

The invention relates to a thermoplastic molding composition (P) comprising: (A) thermoplastic polymer composition (A) comprising: (A-1) 10 to 50 wt.-% of graft copolymer (A-1), (A-2) 1 to 50 wt.-%, of thermoplastic polymer matrix (A-2) based on one or more vinylaromatic copolymers, (A-3) 20 to 50 wt.-%, of polymerized alkyl methacrylate component (A-3), and (A-4) 0 to 45 wt.-% of comonomer which is copolymerized with the at least one polymerized alkyl methacrylate component (A-3), where the sum of (A-1), (A-2), (A-3) and optional comonomers (A-4) is 83.2 to 99.8 wt.-%; (B) a hindered amine light stabilizer composition (B), comprising at least two of substances (B-1) to (B-3): (B-1) 0 to 0.9 wt.-%, of at least one hindered amine light stabilizer having a dipiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the dipiperidine structure (B-2) 0 to 0.9 wt.-%, of a hindered amine light stabilizer mixture having a monopiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the monopiperidine structure, and (B-3) 0 to 2 wt.-%, of at least one hindered amine light stabilizer having a polymeric structure comprising piperidine groups with at least one alkyl group at each of the 2 and 6 positions of the piperidine groups (C) 0 to 5 wt.-%, of one or more further additives (C), different from (B); and (D) 0 to 10 wt.-%, of colorants, dyes and / or pigments (D), different from (C); wherein the constituents (A) to (D) sum up to 100 wt.-% of the molding composition (P).

The application relates to the technical field of cosmetics, in particular to a high-concealment makeup-maintaining air cushion and a preparation method thereof. A film forming agent in the high-concealment makeup-maintaining air cushion comprises the following: trimethylsiloxy silicate 5-7 parts, isododecane 0.3-0.7 parts, and acrylic acid (ester) / polymethyltrimethicone methacrylate copolymer 2-3 parts. A colorant comprises the following raw materials in parts by weight: titanium dioxide 5-7 parts, silica 0.8-1.2 parts, mica powder 5-7 parts, CI 77492 0.4-0.8 parts, aluminum hydroxide 0.8-1.2 parts, CI 77491 0.4-0.6 parts, triethoxyl octyl silane 0.8-1.2 parts, and CI 77499 0.3-0.5 parts. The particle size of the titanium dioxide at least comprises any two of 4 nm, 30-50 nm and 200-260 nm. The air cushion has the advantages of prolonging the makeup-maintaining time of the air cushion and improving the concealment effect.

The invention relates to a light decorative acrylic plate and a preparation method thereof, and relates to the technical field of high polymer materials, the plate is prepared from a methyl methacrylate / polymethyl methacrylate prepolymer, a thermal initiator, a cross-linking agent, a low-boiling-point pore-foaming agent A and a high-boiling-point pore-foaming agent B, and the low-boiling-point pore-foaming agent A and the high-boiling-point pore-foaming agent B are immiscible with a polymerization system; and the phase selective coloring agent is only dissolved in the pore-foaming agent B. The preparation method comprises the following steps: mixing the components to form a multiphase dispersion system; pouring into a mold, then horizontally standing, and enabling the two pore-foaming agents to generate a concentration gradient by utilizing gravity; then programmed heating is carried out, the pore-foaming agent A is gasified to form micropores in the first low-temperature stage, the plate body is cured in the second medium-temperature stage, the pore-foaming agent B is gasified to form macro pores in the third high-temperature stage, and meanwhile the coloring agent is deposited on the inner walls of the macro pores in situ; and finally cooling, demolding and annealing. By means of the process, light weight, three-dimensional gradient texture construction and pore inner wall selective coloring of the board are achieved.

The invention relates to color cosmetic compositions including, in a physiologically acceptable medium, flattened, porous ceramic particles and at least one coloring agent, as well as to methods and kits including such compositions in container(s) or in application.

The invention discloses a cup-sticking-free and easy-to-detach lipstick and a preparation method thereof. The cup-sticking-free and easy-to-detach lipstick comprises a shape fixing agent, an emollient, a film-forming agent, a coloring agent, a thickening agent, a skin feeling conditioning agent, a preservative, functional components and an aromatic. According to the invention, the use of a sticky resin film-forming agent is avoided, the problem that a film formed on the surface of the paste cannot be smeared due to long-time placement is avoided, and the synthetic wax is selected as the film-forming agent, has good film-forming property, strong adhesion and excellent color fixation performance, and can generate good interaction with a makeup removal product due to the special structure, so that the makeup removal effect is improved. And therefore, disassembly is easier, and no residue exists.

The invention relates to the field of color paste, in particular to color paste for silica gel leather and a preparation method of the color paste. The color paste for the silica gel leather at least comprises the following raw materials in parts by mass: 55-75 parts of film-forming resin, 10-30 parts of a coloring agent, 9-15 parts of a combined reinforcing agent, 3-6 parts of a dispersing agent, 3-10 parts of filler, 2-4 parts of a wetting agent, 3-10 parts of water, 2-10 parts of a thickening agent, 0.3-0.5 part of a defoaming agent, 0.2-0.4 part of an ultraviolet absorbent and 5-10 parts of polymerized emulsion. The finally prepared color paste material not only has excellent pigment dispersibility and compatibility of a silica gel matrix, but also can avoid the use of an organic solvent and avoid greater environmental protection problems, and can finally maintain good stability, storability and other properties, the comprehensive performance is greatly improved, and the color paste material is suitable for industrial production. The higher application performance requirement of the existing silica gel leather on the color paste is effectively met.

The invention relates to the technical field of coating preparation, and provides a super-hydrophobic oleophobic epoxy anticorrosive wear-resistant powder coating and a preparation method thereof. According to the coating, phenolic epoxy resin and bisphenol A epoxy resin are used as matrix resin, phenolic hydroxyl resin is used as a curing agent, super-hydrophobic / oleophobic carbon nanotubes are used as a modifier, ethylene-tetrafluoroethylene copolymer and polyamide resin are used as flexibilizers, super-hydrophobic / oleophobic nano silicon dioxide powder and super-hydrophobic hollow glass beads are used as fillers, and the super-hydrophobic / oleophobic nano silicon dioxide powder and the super-hydrophobic hollow glass beads are used as fillers. The super-hydrophobic and oleophobic epoxy anti-corrosion wear-resistant powder coating is prepared by taking an inorganic pigment as a coloring agent through the steps of material preparation, premixing, melt extrusion, tabletting, cooling, crushing and sieving under the cooperation of various functional assistants. The powder coating is subjected to electrostatic spraying (40-70 KV), the coating film thickness is about 350 microns, and the powder coating is cured into a film after being subjected to hydrophobic / oleophobic min at 180 DEG C / 5 min or 230 DEG C / 1.5 under the baking condition of 180 DEG C / 5 min. The contact angles of oil drops and water drops can reach 160 degrees and 161 degrees respectively, and the rolling angles are 2 degrees and 1 degree respectively.

The invention discloses water-based UV (ultraviolet) curing ink-jet ink and a preparation method thereof, and relates to the field of UV curing ink, and the water-based UV curing ink-jet ink comprises the following components: 25-35% of water-based light-cured resin emulsion; 5%-12% of a rosin-based tackifying monomer; 4%-7% of a photoinitiator; 1%-2% of an amine synergistic agent; 3%-8% of a coloring agent; 8%-12% of an organic cosolvent; 0.2%-0.8% of a surfactant; 0.1%-0.3% of a defoaming agent; and the balance of deionized water. The adhesive force of the ink on a non-absorbent substrate is remarkably improved by introducing the rosin-based tackifying monomer, meanwhile, the compatibility and curing efficiency of the ink are effectively improved by optimizing the ratio of the water-based light-cured resin emulsion to the tackifying monomer and compounding the photoinitiator, and the problem of falling off or abrasion of a cured film is avoided.

A toner comprising a toner particle comprising a colorant, a binder resin, and calcium carbonate particles, wherein an amount of the colorant in the toner particle is from 1.0 to 20.0% by mass; the binder resin comprises a polyester resin; the polyester resin has an aromatic ring concentration of from 50 to 70 mol %; a surface of the calcium carbonate particles is coated with a fatty acid; an amount of the calcium carbonate particles in the toner particle is from 1.0 to 15.0% by mass; a number average particle diameter of the calcium carbonate particles is from 150 nm to 800 nm.

The invention relates to the technical field of feed additives, and discloses a coloring agent added to broiler feed as well as a preparation method and application of the coloring agent. Based on the total mass of the broiler feed, the coloring agent added to the broiler feed comprises the following components: 0.5 wt%-2.0 wt% of grease, 0.2 wt%-1.5 wt% of pigment and 0.01 wt%-0.1 wt% of a fat-soluble antioxidant. According to the broiler chicken feed containing the coloring agent, in the feeding cycle of 14-21 days, the breast skin color of capons with poor coloring can be improved by about 1.5 degrees, the chromaticity of the shanks can be improved by 2-3 degrees, the capons with poor appearance quality can be improved to the ideal chromaticity range purchased in the market, and the commodity grade and the selling price are remarkably improved.

The invention discloses an underfill adhesive for submicron gaps and a preparation method thereof, and relates to the technical field of adhesives, the underfill adhesive comprises the following components: 30-60 parts of a resin matrix, 15-30 parts of a curing agent, 30-60 parts of a functional filler, 10-20 parts of a diluent, 1-3 parts of an interface modifier, 0.05-1 part of a rheology modifier, and 1-5 parts of a coloring agent. The resin matrix comprises hydrogenated bisphenol type epoxy resin or amic acid modified epoxy resin; the functional filler comprises spherical heat-conducting filler and silicon dioxide coated boron nitride. The preparation method comprises the following steps: uniformly mixing the resin matrix, the diluent, the interface modifier and the rheology modifier; adding heat-conducting filler, mixing and dispersing; and finally adding a curing agent and a coloring agent for mixing and defoaming. By adopting the specially-made amic acid modified epoxy resin and the boron nitride filler coated with silicon dioxide on the surface, the interface bonding strength and long-term reliability of the underfill adhesive are remarkably improved, and the underfill adhesive has better pull-off mechanical properties.

The present invention provides an inkjet printing method for forming a printed image on a printing medium, the printed image including a rich image forming section and a light image forming section, the printing duty ratio of an ink containing a colorant being greater than the printing duty ratio of the ink containing the colorant being greater than the printing duty ratio of the ink containing the colorant being greater than the printing duty ratio of the light image forming section. The inkjet printing method includes: a step 1 of applying a pretreatment liquid to an outer edge portion of a portion where a dense image forming portion is formed to obtain a printing medium having a pretreatment liquid applying portion; and a step 2 of applying an ink containing a colorant to a region on the surface of the printing medium obtained in the step 1, said region becoming a dense image forming section, said surface having the pretreatment liquid applying section.

The invention discloses a directional preparation method of a high-stability dark brown pigment and an application of the high-stability dark brown pigment in an acid beverage, and relates to the technical field of food additives. The preparation method comprises the following steps: S1, crushing raw dark green tea raw materials, mixing the crushed raw dark green tea raw materials with water, adjusting the pH value to 9-12, carrying out heating extraction, and collecting a supernatant; s2, repeatedly concentrating the supernate to obtain a concentrated solution; s3, adding an ethanol solution into the concentrated solution, standing, and collecting a precipitate; and S4, volatilizing the ethanol in the precipitate, re-dissolving, taking the supernatant, and drying to obtain the product. By optimizing the extraction and purification process, the dark brown pigment with high extraction rate and high color value is successfully prepared, the dark brown pigment shows excellent stability in a wide pH range and under the conditions of high temperature and high pressure, and the pigment obtained by the invention can be used as a natural brown coloring agent with excellent performance, is widely applied to the field of acid beverages, and has wide application prospects. Meanwhile, an effective way is provided for high-value utilization of dark tea resources.

The invention belongs to the technical field of natural dyes, and provides a natural coloring agent based on roxburgh rose whole plant components as well as a preparation method and application of the natural coloring agent. The preparation method comprises the following steps: fermenting whole rosa roxburghii plants, residues obtained after juicing or dried fruits used as raw materials for 15-30 days under a pure natural acidic or alkaline condition, and soaking cloth to be dyed into fermentation liquor for 7-30 days, so as to finish dyeing. The acidic condition is provided by malic acid or acetic acid, and the alkaline condition is provided by pure natural salt. The method has the advantages of simple process, mild conditions, no use of any chemical synthesis auxiliary agent, environmental protection and safety. By means of the method, natural cloth such as mulberry silk, cotton and hemp can be dyed, the unprecedented and unique golden yellow color can be dyed, and the method has great market application value.

The application provides a triarylmethane derivative, a pigment dispersion liquid, a preparation method thereof and a photoresist, and relates to the field of photoresists. The structural general formula of the triarylmethane derivative is: wherein X1 is selected from one of long-chain alkyl groups with a length of C1-C12, X2 is selected from hydrogen or an alkyl group, X3 is selected from one of H, an alkyl group and an aromatic group, and Q is selected from one of a carboxyl group, a sulfonic acid group and a phosphoric acid group. The triarylmethane derivative can generate strong van der Waals force and pi-pi conjugation effect with pigment molecules in a colorant by virtue of the large-plane conjugated triarylmethane skeleton, so as to be firmly anchored on the surface of the pigment particles; the strong polar functional groups such as the sulfonic acid group in the molecular structure of the triarylmethane derivative are combined with the alkaline dispersant, the side long-chain alkyl groups fully act on the dispersion medium, and the re-aggregation of the nano pigment particles is effectively prevented through strong steric hindrance and electrostatic stabilization mechanism, so that the problem of poor dispersion stability is solved.

The invention discloses a rubber glove box protective glove with a latex coating and a manufacturing method. The glove comprises a mould pressing rubber layer and a local latex coating. The mold pressing rubber layer is prepared through mold pressing vulcanization forming and comprises rubber, a shielding component, a reinforcing filler, a filling agent, an active agent, an anti-aging agent, a plasticizer, a lubricating release agent, a vulcanizing agent and an accelerant. The local latex coating is prepared through latex impregnation, and latex components comprise latex, reinforcing filler, a stabilizer, a diffuser, an active agent, an anti-aging agent, a vulcanizing agent, an accelerant, a thickening agent, a defoaming agent and a coloring agent. Through formula design of the mold pressing rubber layer and the local latex coating and optimization of a latex dipping process, the glove box glove with high mechanical hazard protection performance in the local position is obtained on the premise that the ray protection function and wearing comfort are guaranteed, and the service life of the glove box glove is prolonged. And the service life of the glove box protective glove under the radiation and mechanical dual harm scenes is prolonged.

The invention belongs to the field of pigment color paste, and particularly relates to a modified coloring agent with a triazine structure and application of the modified coloring agent. The structure of the modified colorant is shown as a general formula D1, and the anchoring group L anchors the modified colorant on the surfaces of pigment particles in a physical adsorption or chemical bond form to realize surface modification of the pigment. According to the modifier colorant, the hydrophilicity or lipophilicity of the pigment can be effectively regulated and controlled by adjusting the variety and number of triazine substituent groups, the nano pigment paste treated by the modifier has self-dispersing performance, other auxiliaries do not need to be added, the dispersity, stability and filterability of the nano pigment paste can be effectively improved, and the nano pigment paste can be used for preparing the nano pigment paste. And the coating has excellent coloring ability.

A photosensitive colored resin composition comprises a colorant (A), an alkali-soluble resin (B), a photopolymerizable compound (C), a photoinitiator (D) and a solvent (E). The iodine value range of the photosensitive colored resin composition is 0.5 g / 100g to 15g / 100g, and the colorant (A) comprises a triphenylmethane colorant (A-1). The invention also provides a manufacturing method of a color filter using the photosensitive colored resin composition to form a pixel layer, a color filter manufactured by the manufacturing method, and a liquid crystal display comprising the color filter. According to the invention, the coloring agent (A) comprising the triphenylmethane coloring agent (A-1) is adopted, and the iodine value of the photosensitive colored resin composition is controlled to be 0.5 g / 100g to 15g / 100g, so that the size of foreign matters in a pixel layer formed by the photosensitive colored resin composition after a multi-stage thermal process can be reduced.

The present invention provides a toner containing colored resin particles of a binder resin and a colorant and an external additive, the binder resin containing a carboxyl group-containing acrylate resin, and the external additive containing carboxyl group-containing acrylate polymer modified metal particles, and a method for preparing the same. By using the specific external additive and the adhesive resin, the prepared toner can still keep stable triboelectrification performance in a high-humidity environment, so that the problems of uneven image concentration and increase of bottom ash are avoided. In addition, the toner has good residual accumulation resistance, residual accumulation on the toner cartridge is reduced, the printing quality is improved, stable printing is still achieved in the high-speed printing process, and good image quality is obtained.

A wavelength selective absorption filter contains a resin, a coloring agent, and a compound having at least one polar group of a carboxylic acid ester bond, a carboxylic acid amide bond, a sulfonic acid amide bond, a urethane bond, or a sulfonyl bond and a MW≤1,000 where dye includes at least one of dye A having a main absorption wavelength range at a wavelength of 390 to 440 nm and dye D having a main absorption wavelength range at a wavelength of 680 to 780 nm, a 20% value wavelength A with respect to an absorbance maximal value exhibited by a main absorption wavelength is 455 nm or less where dye A is contained, and a 20% value wavelength D with respect to the absorbance maximal value exhibited by the main absorption wavelength is 640 nm or more where dye D is contained, and a display device.

An object is to improve all of the following with respect to a photocurable inkjet printing ink composition: discharge stability during printing, as well as tackiness, base material adhesion, bending resistance, abrasion resistance, and solvent resistance of cured coating film. As a solution, a photocurable inkjet printing ink composition is provided that contains a colorant, photopolymerizable components, and photopolymerization initiator, and satisfies all of conditions (1) to (3) below.(1) an ethylene oxide-modified bifunctional monomer is contained by 5.0 to 40.0% by mass, and monofunctional monomers are contained by 60.0% by mass or more, relative to all photopolymerizable components(2) the theoretical Tg of the ethylene oxide-modified bifunctional monomer is 20° C. or lower(3) the theoretical Tg of a copolymer of solely the monofunctional monomers is 20 to 40° C.

The present invention relates to a compacted powder comprising at least: a) an oily phase in an amount of at least 10% by weight relative to the total weight of the composition, said oily phase comprising at least one non-volatile oil; and b) a powdered phase in an amount of at least 40% by weight relative to the total weight of the composition, said powdered phase comprising at least: i) perlite; and ii) at least one spherical filler selected from the group consisting of mineral fillers, organic fillers of natural origin, and mixtures thereof; and iii) at least one particulate colorant; and c) at least one amorphous hydrocarbon-based block copolymer; and d) at least one pigment; the composition is free of talc particles or mica particles in free form and is obtainable via a process comprising the steps of: 1) mixing the oil phase, the amorphous hydrocarbon-based block copolymer, the powdered phase and at least one volatile solvent to form a slurry; and 2) injecting the slurry into a container and shaping it by compaction, in particular pressing and / or suction.

Provided is a water-soluble sheet-like coloring material in which sheets are less likely to stick to each other, have appropriate self-standing property and flexibility, and can be quickly brought into a uniform state when dissolved in water.A water-soluble sheet-like coloring material including a film-forming water-soluble polymer; a dissolution accelerator; a colorant; and a moisture-retaining agent.

The invention relates to a high-breathability and high-fitness in-vitro fixing device with a shape memory function and a preparation method of the high-breathability and high-fitness in-vitro fixing device, and relates to the field of biomedical materials, the high-breathability and high-fitness in-vitro fixing device comprises the following components in parts by mass: 40-45 parts of polycaprolactone, 40-45 parts of polylactic acid, 4-6 parts of a compatilizer, 0.5-1.5 parts of a cross-linking agent, 8-12 parts of nano-hydroxyapatite, 10-20 parts of biocompatible polyurethane and 0.1-0.3 part of a coloring agent. The preparation method comprises the following steps: mixing the raw materials, carrying out melt blending, and carrying out extrusion granulation to obtain composite particles; the composite particles are subjected to melt-blowing spinning, and non-woven cloth is obtained; and carrying out hot press molding on the non-woven fabric, shaping and cooling to obtain the high-breathability and high-fitness in-vitro fixing device with the shape memory function. The in-vitro fixing device prepared by the invention has a silk net structure, has good air permeability, a shape memory function and fitness, and has good mechanical properties and antibacterial properties.

The invention provides a coloring device and method for a fiber reinforced composite material, the coloring device comprises a coloring tank, an airtight tool clamp, a first valve and a vacuum pump, the first end of the airtight tool clamp is connected with the fiber reinforced composite material in a sealed mode, and the second end of the airtight tool clamp is connected with the first valve and the vacuum pump through a pipeline; the first valve is used for controlling circulation of gas in the pipeline, and the vacuum pump is used for creating a negative pressure environment in the pipeline; the coloring groove is filled with a coloring agent, and the end face, away from the airtight tool clamp, of the fiber reinforced composite material is arranged in the coloring agent, so that the coloring agent is sucked into the fiber reinforced composite material under the pressure effect. The coloring device is used for coloring the fiber-reinforced composite material, and the hollow fiber-reinforced composite material can be filled with the coloring agent, so that the fiber-reinforced composite material can present a different-color effect.

The present invention relates to a method for coloring keratin fibers comprising applying the following ingredients to said keratin fibers, in one or more separate compositions: i) at least one chitosan compound; ii) at least one acetoacetate compound of formula (I); iii) at least one coloring agent selected from pigments, direct dyes, and mixtures thereof. The invention also relates to a composition comprising at least one specific chitosan compound and at least one beneficial agent selected from coloring agents, acetoacetate compounds, and mixtures thereof.

The invention belongs to the field of geological monitoring, and discloses a loess macropore seepage observation device and method based on a loess digital reconstruction body, and the loess macropore seepage observation device comprises the loess digital reconstruction body, a coloring agent container and a water discharging bottle; the bottom of the loess digital reconstruction body is provided with a permeable stone layer, and the top is provided with a hermetically connected top cover; a plurality of image acquisition devices are arranged around the loess digital reconstruction body; one sides of the drainage bottle and the permeable stone layer are communicated with the bottom of the coloring agent container; the first end of the three-way pipe is communicated with the interior of the top cover, the second end of the three-way pipe is provided with a pressure meter, and the third end of the three-way pipe is communicated with the atmosphere. The loess digital reconstruction body duplicates the macropore structure of the loess sample, the water flow migration process in the macropores of the loess digital reconstruction body can be rapidly observed, the water-driven gas process in the macropores of the loess digital reconstruction body can be rapidly determined, the working efficiency is high, the device is flexible and detachable, and the cost is low. The problem that the three-dimensional migration process of the water flow in the unsaturated loess macropores is difficult to accurately capture at present can be effectively solved.

A coloring composition includes at least one compound S selected from a compound S-1 represented by Formula (1) or a compound S-2 in which the compound S-1 is coordinated to a metal atom, a pigment, a resin, and a solvent