41 results about "Lake pigment" patented technology

The present invention provides a magenta recording ink composition including at least a solid solution pigment (A) containing quinacridone, a lake pigment (B) having a xanthene structure, an aqueous solvent, and water, wherein the solid solution pigment (A) has visible light absorption peaks at wavelength ranges of from 510 nm to 530 nm and from 540 nm to 560 nm, and a mass ratio (B / A) of the lake pigment (B) to the solid solution pigment (A) falls within the range of 0.1 to 5.

Improved shelf stable microwave dessert packaged food products for individual servings comprise a cup; a shelf-stable ready-to-heat uncooked microwave bakeable foam product disposed within the cup, and a peelably removable, low gas permeability sealing membrane. The improvements reside in important part in selecting shelf stable food products embodiments having a pH of ≦6 and additionally comprising dried or gelled blue or purple inclusions such as natural or artificial blueberries dispersed within the foam. These inclusions can be colored with natural anthocyanin or artificial Lake pigments. Surprisingly, when the foam has a pH of about 6 or lower, the dried or gelled blue or purple inclusions exhibit color stability for extended times even though the foams are stored at room temperatures. The articles provide high quality finished expanded blue or purple inclusion containing baked dessert goods by microwave cooking and expansion of the foam.

A resin composition includes polylactic acid resin, a plastic resin superior in heat resistance to the polylactic acid resin, and a nucleating agent that promotes crystallization of the polylactic acid resin, with the nucleating agent being a soluble azo lake pigment. The plastic resin superior in heat resistance to the polylactic acid resin is one which has a flexural modulus of elasticity no lower than 1000 MPa at 80° C.

An organic EL device includes an organic EL emitter (2) that emits blue light and a blue color filter (8B) through which the light emitted from the organic EL emitter passes. The blue color filter contains a coloring material selected from the group consisting of a triarylmethane dye, a lake pigment, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment. The chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, is in the range defined by lines connecting three chromaticity coordinates (0.150, 0.060), (0.143, 0.031), and (0.130, 0.049) on the CIE chromaticity diagram.

The invention aims at providing a lake pigment which exhibits excellent light resistance and heat resistance and has a triarylmethane structure and / or a rhodamine structure, and a pigment dispersion using the lake pigment. Therefore, the invention provides a pigment composition, which is characterized in that an untreated pigment of the lake pigment with the triarylmethane structure and / or the rhodamine structure is treated by an organic acid selected from substituted or unsubstituted aryl sulfonic acid and substituted or unsubstituted aryl carboxylic acid.

It is undoubtedly a good way to kill two birds with one stone by using waste aluminum cans to produce new energy hydrogen and environmental protection products potassium alum. Hydrogen has many uses. Hydrogen burns in oxygen and releases a lot of heat. The temperature of its flame-oxygen flame reaches 3000°C, which can be used for welding or cutting metals. As a fuel, hydrogen has the characteristics of abundant resources, high combustion calorific value and less pollution. Potassium alum plays an important role in water purification, paper sizing, paint printing and dyeing, lake pigment pharmaceuticals, paint making, tanning, fiberboard processing, as well as rubber and metallurgy, colored glass, food industry, agriculture, etc. . The invention uses waste aluminum cans as raw materials, produces hydrogen through potassium hydroxide solution, further neutralizes potassium aluminate solution with sulfuric acid, and obtains high-quality potassium alum through crystallization, filtration, washing and centrifugal dehydration. The invention not only eliminates pollution, but also can achieve the purpose of turning waste into wealth and utilizing waste, and is a good method that kills two birds with one stone.

The invention relates to a skin care composition, such as a color cosmetic, comprising an active ingredient that imparts an undesirable color to the composition, at least one inorganic pigment that comprises at least 60 weight percent titanium dioxide, at least one lake pigment, and at least one interference pigment.

The invention relates to a lake pigment and a preparation method thereof, in particular to a natural plant color lake and a preparation method thereof. The natural plant color lake is prepared from raw materials, namely natural plants of red yeast rice, hematoxylon, lithospermum, cpe jasmine, carthamus tinctorius and the like. A metallic salt raw material is adopted as a precipitant, and the natural plant color lake is rich in raw material source, safe and healthy, free of heavy metal, simple in method and capable of meeting requirements of people on safety, nature and multifunction.

The invention discloses a novel monoazo rare earth complex red pigment and an application thereof. The raw material used for preparing the pigment is easily obtained, the reaction condition is simple and feasible and the yield is high; compared with the similar industrial pigments such as lake pigment P.R.53:1, P.R.57:1, P.R.151, P.R.243 and the like, the rare earth complex red pigment has more excellent pigment performances as follows: excellent water resistance, solvent resistance, fastness to heat, light fastness, fastness to weathering and migration resistance. Simultaneously, compared tothe existing organic pigments that are generated by transitional metal ions such as metal salt or complexes, the rare earth complex red pigment has more flamboyant chromatic light and more satisfactory transparency.

A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.

Specifically provided is a single pass-curable ink having high color reproducibility and high curing properties at the same time and having high dischargeability when used in printing at high frequency and high jetting speed, as compared with conventional ones. An active energy ray-curable inkjet ink composition contains a metal lake pigment of a rhodamine dye as a pigment, and the active energy ray-curable inkjet ink composition may contain 0.5 to 10% by weight of Pigment Violet 1, Pigment Violet 1:1, Pigment Violet 2, Pigment Violet 2:2, Pigment Red 81, Pigment Red 81:1, Pigment Red 81:2, Pigment Red 81:3, Pigment Red 81:4, Pigment Red 81:5, Pigment Red 169, or Pigment Red 173 as the metal lake pigment of the rhodamine dye based on the total weight of the ink.

The invention discloses a PET (polyethylene terephthalate) base material used for a filter membrane, a preparation method as well as the filter membrane and a plasma display screen comprising the PET base material. The PET base material comprises one or more of inorganic pigment, organic pigment and dye, wherein the inorganic pigment is one or more of metallic oxide, sulfide, sulfate, chromate and carbon black; the organic pigment is one or more of azo pigment, phthalocyanine pigment, heterocyclic pigment, lake pigment and fluorescent pigment; and the dye is one or more of pyrazolone derivative, quinophthalone, fluorescent polycyclic ring dye, naphthazarin, benzopyrone, azo, fluorescent reactive dye, anthraquinone reactive dye, picene ketone dye, anthraquinone reactive derivative, fluorescent polycyclic ring and polymethylene dye. A material with a toning function is added into the PET base material, thus the phenomenon that chemical substances in pressure-sensitive adhesive (PSA) react with the material with the toning function to generate the discoloration is avoided, and meanwhile, the plasma screen capable of improving color is obtained.

The present invention provides a radiation-sentive colored composition, a color filter and a display device. The radiation-sensitive colored composition can be used for manufacturing the color filter with excellent manufacturing characteristic even lake pigment is used as a colorant. The radiation-sensitive colored composition comprises the following components: (A) a colorant with the lake pigment, (B) an adhesive resin, (C) a photopolymerization initiator, (D) a compound with more than two polymerizable unsaturated keys, and (E) a multifunctional thioalcohol. The radiation-sensitive colored composition is used for forming a pixel pattern (3) on a substrate (2). Furthermore a black matrix (4) and a protective film (5) are configured for manufacturing the color filter (1). The color filter (1) is used for manufacturing a display element.

A monoazo lake pigment composition containing a monoazo lake pigment obtained from a laked pigment aqueous slurry prepared by conducting coupling of a diazo component obtained by diazotizing an aromatic amine having a soluble group and a coupler component and conducting laking after or simultaneously with the coupling, wherein the laking is carried out in the presence of a water-soluble acrylic polymer in an amount of 0.1 to 40 parts by weight per 100 parts of the above coupler component, and a gravure ink containing the above pigment composition and a gravure ink vehicle.

A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety on the pigment associates non-covalently with the functional group of the stabilizer; and the nanoscale pigment particles have an average particle size of from about 10 nm to about 500 nm and have tunable coloristic properties that depend on both particle composition and average particle size.

The invention discloses an environmentally-friendly and bacteriostatic waterborne ink and a preparation method thereof. The environmentally-friendly and bacteriostatic waterborne ink comprises the following components by weight: 35 to 75 parts of water-soluble acrylic resin, 15 to 25 parts of an organic pigment, 10 to 20 parts of ethyl alcohol, 15 to 30 parts of deionized water, 0.3 to 1 part of abacteriostatic agent, 1 to 3 parts of a nonionic surfactant and 2 to 4 parts of a filling material and an auxiliary agent, wherein the organic pigment is one or more selected from the group consisting of an azo pigment, a lake pigment, a heterocyclic pigment, a fused ring ketone pigment and a phthalocyanine pigment. The preparation method comprises the following steps: S1, preparation of an A.SAPbacteriostatic agent; S2, weighing and proportioning of raw materials; S3, manufacturing of a pre-slurry; S4, grinding of the pre-slurry; and S5, obtainment of a final product. The environmentally-friendly and bacteriostatic waterborne ink provided by the invention has more scientific and reasonable formula, reduces addition of toxic substances to the greatest extent, has good bacteriostatic andantiseptic effects, can effectively increase the affinity among resin, a pigment and water, and has large market competitiveness.

The invention relates to a method for preparing a yellow pigment for liquid ink. The method comprises the following steps of : reacting 1 portion of 2-amino-5-toluene sulphonic acid with 0.32 portion of sodium nitrite to form a diazo component in 470 portions of ice water and 1.5 portions of thirty to thirty-two percent hydrochloric acid medium; coupling the diazo component with 1.1 portions of 2- hydroxide-3-naphthoic acid in water medium when the PH value is between eight and ten, filtering the diazo liquid, adding the filtered diazo liquid 2-hydrodxy-3- naphthoic acid slowly with stirring within one hundred and twenty and one hundred and fifty minutes and keeping the temperature between fifteen and twenty DEG C and the PH valve between eight and ten and stirring for hundred and twenty and one hundred and fifty minutes; during post treatment of red pigment, adding 0.3-0.5 portion of metal salt for lake and 0.01-0.05 portion of surface active agent, heating to fifty to eighty DEG C; stirring for thirty to sixty minutes, allowing absolute-SO3H and-COOH to react with metal salt to generate red lake pigment; filtering the pigment, cleaning the pigment with water and conducting routine pigmentation treatment to a filter mass after completion. The preparation method has excellent solvent resistance and storage stability life in polyurethane system ink. The method is simple in technology and remarkable in effect, effectively improving the product quality.

There is provided a method for producing a pigment composition which contains a polymer-treated pigment (D) containing an azo lake pigment (A) and an aqueous polymer (C) precipitated with a polyvalent metal salt (B) and also contains a polymer (F) obtained by polymerizing a polymerizable unsaturated monomer (E) in the presence of the polymer-treated pigment (D). The method includes: synthesizing an azo dye by coupling a coupler component with a diazo component obtained by diazotizing an aromatic amine; and preparing the polymer-treated pigment (D). The method also includes producing the polymer (F) by polymerizing the polymerizable unsaturated monomer (E) in the presence of the polymer-treated pigment (D) to coat the polymer-treated pigment (D) with the polymer (F).

The invention relates to the technical field of furniture, in particular to a surface treatment process of furniture. The surface treatment process comprises the following steps of (1) polishing; (2)plastering; (3) coloring, specifically, after a putty layer in the step (2) is completely dried, carrying out polishing by abrasive paper, and then carrying out coloring, wherein one of azo pigments,lake pigments, heterocyclic pigments, fused ring ketone pigments and phthalocyanine pigments is adopted during coloring; and (4) roller coating of primer and raw lacquer. The furniture treated by thefurniture treatment process provided by the invention cannot mildew or crack at a too wet or too dry place; a mixture of the raw lacquer, calcined gypsum powder, silicon dioxide and water is adopted as the putty layer, so that the water resistance is good, the bonding strength is high, and the strength of connection between the putty layer and a raw lacquer layer is high; and a mixture of urushiol, gum, water-soluble glycoprotein, laccase and water is adopted as the raw lacquer layer, so that the strength of peeling between the raw lacquer layer and the primer layer is high, adaptability of apaint film in a too wet or too dry environment is improved, and the service life is prolonged.

Provided are: a water-based ink-jet ink composition capable of suppressing fading and discoloration of printed images on the surfaces of solid formulations such as pharmaceuticals and foods; a methodfor suppressing the fading of printed images on solid formulations; and a solid formulation. The water-based ink-jet ink composition contains an edible lake pigment and a discoloration inhibitor. Thelake pigment includes a specific lake pigment comprising a dye containing at least one selected from the group consisting of red No. 2, red No. 3, red No. 40, red No. 102, yellow No. 4, yellow No. 5,blue No. 1, and blue No. 2. The discoloration inhibitor contains at least one selected from the group consisting of a monosaccharide, a disaccharide, a dextrin, and a sugar alcohol. The content of thediscoloration inhibitor is 50 mass% or less with respect to the total mass of the water-based ink composition.

The invention discloses a method for preparing a cochineal aluminum-free lake pigment by using protein, a product and application of the cochineal aluminum-free lake pigment. The method comprises thefollowing steps: adding axinic acid into a buffer solution with a pH value of 3 to prepare a pigment solution, adding metal ions, and carrying out full stirring to obtain an axinic acid pigment solution; adding protein into the axinic acid solution, carrying out full and uniform mixing, adding polyphenol, carrying out uniform stirring, conducting centrifuging, taking a precipitate, freeze-drying the precipitate, and carrying out grinding to obtain the cochineal aluminum-free lake pigment. The method for preparing the cochineal aluminum-free lake pigment by using the protein is simple and convenient to operate; and the product does not contain aluminum, so the safety of the product is prevented from being doubted. According to the cochineal aluminum-free protein lake provided by the invention, the lake has a relatively good color generation effect in an alkaline dilute iron solution and an alkaline calcium solution, and shows a relatively good dyeing effect on dough, minced fillet and single cream.

Using a plurality of colors of inks comprising an oil-based ink containing a dye lake pigment and an oil-based ink containing a pigment other than dye lake pigments, and superposing the plurality of colors of inks when printing, the oil-based ink containing a dye lake pigment is ejected on a printing medium prior to the oil-based ink containing a pigment other than dye lake pigments.