120results about How to "High pigment content" patented technology

Provided is a process for the preparation of a pigment dispersion which comprises a pigment surface treatment step of introducing at least one hydrophilic dispersibility-providing group onto the surface of a pigment directly and / or with the interposition of a polyvalent group, and a dispersion step of dispersing a surface-treated pigment obtained at the surface treatment step in an aqueous medium, characterized in that the dispersion step involves the dispersion of the surface-treated pigment in admixture with a wetting agent and water and a resin for providing dispersibility and / or fixability is added during and / or after the dispersion step.

The invention relates to a security element for security papers, bank notes, ID cards or the like, having at least one plastic layer on which at least two metal layers of different color are so disposed side by side and on the same side of the plastic layer that the different colors are visually checkable.

Printing ink formulations containing polyvinyl isoacetals as a binder component exhibit lower solution viscosity and higher binder Tg, allowing use of more binder and more pigment, thus increasing depth of color and printing speed, as well as lowering the risk of delamination and ruboff.

A process producing multi-layer coatings in light metallic color shades, comprising the successive steps: (1) applying a 5 to 20 μm thick base coat layer to a pre-coated substrate, (2) applying a clear coat layer onto the base coat layer, (3) jointly curing the base coat and clear coat layers, wherein the base coat layer is applied from an unmodified water-borne metallic base coat having a ratio by weight of pigment to resin solids of 0.3:1 to 0.45:1, wherein the pigment content consists 60 to 100% by weight of at least one non-leafing aluminum pigment with a platelet thickness over 100 to 500 nm and 0 to 40% by weight of at least one pigment different from aluminum pigments, wherein the pigment(s) different from aluminum pigments are selected in such a way that the multi-layer coating obtained exhibits a brightness L* (according to CIEL*a*b*, DIN 6174), of at least 80 units.

The present application provides a porous sintered multicomponent applicator nib and methods of making and using these nibs. The porous nibs are made from sintered plastic particles. These nibs are used with liquid applicators devices, medical devices, writing tools or cosmetic applicators to apply liquids containing high solids or pigments to surfaces such as metal, paper, skin, hair, tissue or a wound.

A colored coating material for a color mirror that includes a film-forming component, a pigment, and a solvent, wherein the pigment, which comprises a calcined inorganic pigment comprising one or more elements or oxides of elements selected from the group consisting of Fe, Mn, Co, Ni, Al, Cr, Ti, Sb, Cu, Si, Zn, Li and P, and has a primary particle average particle size of no more than 0.1 μm, is used in a quantity within a range from 40 to 90% by mass relative to the combined weight of the film-forming component and the pigment.

Disclosed is a water-based pigment ink composition comprising, as colorants, (1) a surface treated pigment having a water-dispersibility imparting group introduced to the surface thereof and (2) a water-dispersible polymer-encapsulated pigment which is a pigment wholly coated with a polymer. The water-based ink composition exhibits good color developability and satisfactory abrasion resistance, causes little blurring, and has excellent storage stability.

The invention discloses an extraction method of roselle red color. The method comprises the steps of selecting materials, drying, smashing, digesting, enzyme treatment, clarifying, concentrating, blending, sterilizing and drying. Compared with the prior art, the method has the advantages that low pigment loss rate is ensured in a raw material drying process, the unit raw material utilization efficiency and pigment extraction rate are increased, the problem of thickness of an extracting solution is solved in a mild way, the stability of pigments in a processing process is ensured, the processing cost is reduced remarkably, and the product quality is enhanced. The method contributes to saving energy and protecting the environment, is friendly to the ecological environment, does not cause any adverse effect, and is a novel processing process which is worthy of popularization for natural plant pigments.

The invention provides a monascus purpureus bacterial strain with the collection number of CGMCC 11611. The invention further provides a method for fermenting and producing monascus pigment by the bacterial strain. The method includes the steps: (1) taking collected monascus purpureus and performing spore cultivation to obtain spore suspension; (2) inoculating the spore suspension into a fermentation medium, fermenting and cultivating the spore suspension for 36-60 hours, adding L-type amino acid and D-type amino acid into the fermentation medium, and continuing fermentation and cultivation; (3) extracting the monascus pigment by ethyl alcohol after fermentation. The invention discloses a novel monascus purpureus bacterial strain which can be used for fermenting and producing the monascus pigment. According to the fermenting and producing method of the monascus pigment, the amino acid serves as an inductive agent and induces the monascus purpureus to generate the monascus pigment, lipase activity is reduced to be lower than 110U by the prepared monascus pigment, the amino acid is low in cost, easily obtained and high in induced generated pigment content and has high lipase inhibitory capacity, and the method for fermenting and producing the monascus pigment is simple and easy to operate.

The invention discloses a rosa roxburghii polysaccharide, as well as a preparation method and application thereof. The preparation method mainly comprises raw material pretreatment, extraction, deproteinization, de-coloration, alcohol precipitation, as well as separation and purification, wherein the extraction is to mix pretreated rosa roxburghii dry powder and water in a mass volume ratio of (1to 15) to (1 to 35), and perform extraction at a temperature of 55 to 95 DEG C; perform centrifugal separation to obtain a rosa roxburghii polysaccharide extracting solution, and concentrate the rosaroxburghii polysaccharide extracting solution under reduced pressure to 1 / 3 to 1 / 6 of the original volume to obtain a concentrated solution of the rosa roxburghii polysaccharide. The rosa roxburghii polysaccharide prepared by the invention has the advantages of high purity and uniform molecular weight. Compared with the existing rosa roxburghii polysaccharide, as proved by in-vitro fermentation experiments, the rosa roxburghii polysaccharide disclosed by the invention can promote the generation of short-chain fatty acids such as acetic acid, propionic acid and butyric acid, promote the growthof beneficial bacteria such as lactic acid bacteria and bifidobacterium, and can be taken as prebiotics. Meanwhile, the rosa roxburghii polysaccharide can inhibit the activity of alpha-glucosidase, and can be applied to healthy foods or medicines having auxiliary therapy effects on intestinal diseases and diabetes mellitus.

The invention provides a polyvinyl acetal having a degree of acetalization of from 45 to 80 mol %, which is obtained through acetalization of a polyvinyl alcohol having a degree of polymerization of from 30 to 1000 and a degree of hydrolysis of from 80.0 to 99.99 mol % and having a specific amount of an ionic group bonded to the terminal thereof via a sulfido bond. The polyvinyl acetal of the invention is useful for binders for ceramic forming and for binders for ink or paint.

The invention discloses a sweet potato for processing preserved sweet potato and a cultivation method and an application thereof, belonging to the field of cultivation and processing of the sweet potatoes. The No.18 Ji sweet potatoes cultivated by adopting the cultivation method can be processed into the high-quality low-sugar purple preserved sweet potato without any additives by cleaning, shaping, steam-boiling, saccharification and baking. The preserved sweet potato has the characteristics of soft texture, low sugar content and translucent color and luster, is rich in anthocyanin and selenium element, has oxidation resistance and high free radical removing capacity which is 20 times of VE and 50 times of VC, and can prevent cardiovascular diseases, prevent tumors, prevent mutation, prevent radiation, delay aging, improve immunity and have good anti-cancer effect.

The invention belongs to the technical field of food processing, and discloses a vegetable protein / soybean polysaccharide nano-emulsion embedded with a natural fat-soluble pigment and a preparation method of the vegetable protein / soybean polysaccharide nano-emulsion. The preparation method comprises the following steps: dissolving vegetable acid-soluble protein and soluble soybean polysaccharide into deionized water respectively, stirring for 2 to 3 hours, adjusting the pH values of the stirred solutions I to be 2.0 to 4.0 to obtain a protein stock solution and a polysaccharide stock solution respectively, adding the protein stock solution into the polysaccharide stock solution, mixing to obtain a uniform mixed solution II; dissolving the natural fat-soluble pigment into grease, adding the grease containing the dissolved natural fat-soluble pigment and mogroside into the mixed solution II, and carrying out stirring and homogenizing to obtain an emulsion I; heating the homogenized emulsion I at 80 to 90 DEG C for 0.5 to 1 hour, so as to obtain the vegetable protein / soybean polysaccharide nano-emulsion embedded with the natural fat-soluble pigment. The vegetable protein / soybean polysaccharide nano-emulsion is high in natural pigment content, low in sugar content, small in particle size distribution, and high in stability under an acidic condition, and can be used for development of functional foods and health products.

A color bamboo and timber processing method comprises extraction of blueberry leaf dyeing liquid, mixing of staining liquids, dyeing of bamboo and timber, natural airing and the like. The color bamboo and timber processing method comprises the following steps: plant staining liquids extracted from blueberry leaves are non-toxic, have medicinal values, are natual and environmental-friendly staining liquids, are high in pigment content, are dark red or purplish red, and are light-resistant and high in heat stability; the bamboo and the timber deyed by the blueberry leaf dyeing liquid can permeate into the interior of a material, so that the material is consistent in internal appearnce and external appearnce, and natural in color; furniture made of the bamboo and the timber deyed according to the method is dark red or purple red, is more noble and elegant in color after being polished and varinished, can even achieve the effect of immitating padauk furniture, and meanwhile, can overcome the defect of paint fading, so that the paint surface is not faded when being touched, and remains consistent with the original paint surface after paint repair.

The invention relates to a photovoltaic-grade ink composition and a patterned transparent packaging backboard for an ink-jet printing process. The ink composition comprises matrix resin, color paste,an adhesion promoter, an interface conditioning agent, an ink auxiliary agent, a curing agent, a diluent and a compatibilizer. The ink composition has the characteristics of long-acting stability, high pigment content, functionalized matrix components and the like; a prepared reflective coating has relatively good reflectivity and weather resistance, is suitable for an ink-jet printing process, and overcomes the problems that conventional ink is large in particle size and prone to adhering to cavity in flowing state or layering and crystallization are prone to happening under condition that external factors fluctuate, pigment and filler are agglomerated and dissociated and separated out, and consequently spray head is prone to being blocked are solved, the interface affinity and matching performance of the coating and packaging adhesive films such as EVA and POE are optimized, the bonding strength between the adhesive films with non-polar components and the coating is remarkably improved, and the requirement for the bonding performance between the coating and the adhesive films can be met even if no external corona or plasma treatment procedure is applied.

The invention provides a tobacco natural plant dye, a preparation method, and an application thereof. The tobacco natural plant dye is prepared from fresh tobacco as a raw material, which is washed with a surfactant and is subjected to bio-pretreatment impurity removal to obtain tobacco powder. The tobacco powder is extracted by a water solution or an ethanol water solution, wherein the pH value of the solution is controlled by NaHCO3 or ethylenediamine; the solution is subjected to heating extraction and is filtered to produce a natural dye stock liquid, which is concentrated, solidified and crushed to obtain the tobacco natural plant dye. In the method, tobacco pigments are used as natural dyes in the dyeing and finishing industry. The preparation method is simple and is high-effective. The tobacco natural plant dye can dye cotton, wool, cashmere and the like. Through regulation on a direct dyeing process, a pre-mordant dyeing process or a same-mordant dyeing process and types of mordants, fabrics in brown color, yellow-brown color, light-brown color, yellow color or green color can be produced. The dyed fabric has high color fastness to rubbing, has natural and gentle gloss and significantly improves usage value of tobacco and application value of the fabrics.

The invention discloses a making method of pitaya cloudy juice. The making method comprises the following steps of firstly, performing squeezing to prepare pitaya flesh juice, performing freeze-dryingdrying to make pitaya peel powder, then preparing primary pitaya cloudy juice, performing preheating sterilization and performing pasteurization to make the pitaya cloudy juice. The cloudy juice is made by adopting whole pitayas and making the whole pitayas into juice, so that the peel components of the pitayas are effectively used, and waste is avoided; besides, betacyanins and anthocyan contained in the peel are used as nutrient additives to be added to the fruit juice, so that the nutrients of the pitaya cloudy juice are increased, the original nutrient and the original flavor of the pitayas are maintained, the juice yield is increased, and the pitaya cloudy juice is stable, free from precipitate and good in mouth feel, and is suitable for crowds of different ages to eat. The pitaya peel is sufficiently used.

A type of water-based paint for rubber products principally contains a type of water-based rubber latex containing a type of vulcanizable rubber acting as a dispersoid; an inorganic pigment and / or an organic pigment; and at least one selected from the group consisting of a vulcanizing agent, a vulcanizing accelerator, and a vulcanizing aid. The type of water-based paint contains no organic solvent, has substantially the same workability and coating properties as those of known paints when the type of paint is applied onto a rubber product, also has high adhesion to rubber products, and is ecologically friendly. The type of paint can be prevented from being transferred to a die during vulcanization.

The invention discloses a kiwi fruit gene capable of improving tomato fruit nutrition quality and a use thereof. The kiwi fruit gene has a DNA sequence shown in the formula of SEQ ID NO.1 in the sequence table. The kiwi fruit gene is cloned in a eukaryotic expression vector so that a plasmid containing the kiwi fruit gene sequence shown in the formula of SEQ ID NO.1 is obtained. Agrobacterium is transformed by the plasmid and the transformed agrobacterium is used for infecting tomato callus so that a transgenic plant capable of improving tomato fruit sugar content and pigment content is obtained. Compared with the wild tomato fruit, the transgenic tomato fruit has obviously improved sugar content, lycopene content, beta-carotene content and chlorophyll content. The kiwi fruit gene having the DNA sequence shown in the formula of SEQ ID NO.1 has an important theory meaning and a practical application value for research, regulation and control of a fruit pigment accumulation process and improvement of fruit nutrition quality.

The present invention relates to a process for the preparation of colorant with enhanced color value from commercially available pungent free chilli oleoresin by extracting the pungent free oleoresin with any one of alcoholic solvent, mixture of alcoholic solvents, mixture of alcohol-ketonic solvent or aqueous ketonic solvent, separating the oleoresin layer and the solvent layer, pooling the solvent layer obtained and separating the final oleoresin layer, and distilling the final oleoresin layer of step (c) to obtain pungent free oleoresin with enhanced color value.

The invention discloses a transcription factor gene for regulating synthesis of xanthophylls and application thereof, wherein the transcription factor gene TePTF1 has a nucleotide sequence shown as in a sequence table SEQ ID NO. 1 and an amino acid sequence show as in the sequence table SEQ IN NO. 2. The gene TePTF1 is acquired by cloning from mature flower tissues of Tagetes erecta. Real-time quantitative analysis shows that the gene TePTF1 has significantly higher expression in mature flowers than immature flowers. In transient expression of the gene TePTF1 in tobacco leaves, the content of xanthophylls increases. The gene shown as SEQ ID NO. 1 plays a positive regulation role in the biosynthesis of plant xanthophylls. The transcription factor gene TePTF1 cloned from Tagetes erecta pigment is applicable to increasing the content of xanthophylls in plants.

One embodiment of an image correction method is an image correction method for correcting image forming condition(s). The image correction method includes forming, on photoreceptor(s), correction test pattern(s) having continuously varying toner gradation; wherein a single correction test pattern in which density is varied in sequence from high to low in paper transport direction(s) is formed as a result of controlling exposing unit laser power(s) while photoreceptor charging potential(s) is / are held constant, or while develop bias(es) is / are held constant, or while photoreceptor charging potential(s) is / are held constant and develop bias(es) is / are held constant. In such case, total length(s) in paper transport direction(s) of such correction test pattern(s) is / are less than or equal to circumference(s) of photoreceptor(s).

The invention relates to a security element for security papers, bank notes, ID cards or the like, having at least one plastic layer on which at least two metal layers of different color are so disposed side by side and on the same side of the plastic layer that the different colors are visually checkable.

The present invention is directed to a polymeric pigment dispersant to be used as a grind resin to incorporate pigment into a pigment dispersion for a coating composition. The polymeric pigment dispersant is the reaction product of dipentaerylthritol, hexahydrophthalic anhydride, glycidylneodecanoate, dimethylethanolamine, and polyphosphoric acid. The present invention is also directed to a method of preparing the polymeric pigment dispersant. In this method, the dipentaerythritol and the hexahydrophthalic anhydride are polymerized to form an intermediate compound. Next, an epoxy group of the glycidylneodecanoate reacts with the intermediate compound, and then the dimethylethanolamine salts the intermediate compound. Finally, the polyphosphoric acid is added to form the completed polymeric pigment dispersant. The polymeric pigment dispersant has improved stability in the pigment dispersion and is utilized for efficient wetting and grinding of the pigment in the pigment dispersion.

The invention relates to a cultivation method for purple sweet potatoes and a method for processing purple sweet potato powder and belongs to the technical fields of sweet potato cultivation and processing. A new cultivation method is obtained by changing the concentration of thiophanate methyl water solution for soaking seeds, sweet potato seedling planting time and density, fertilizer types and consumption, and types and concentration of inhibitors. According to the cultivation method, acre yield of fresh potatoes is more than 2,200kg, the large medium sized tuber rate is higher than 90.3 percent, anthocyanin content is more than 120mg / 100g, and starch content is more than 31.1 percent; the yield for preparing the purple sweet potato powder from the purple sweet potatoes harvested by the cultivation method is higher than 41.6 percent. Methods of cooking, mashing, drying and pulverizing are adopted, sweet potatoes are sliced, and the sliced sweet potatoes are blanched, cooled, cooked, mashed, dried, pulverized and screened to form the purple sweet potato powder, the defect of poor cluster caused by improper color protection in the traditional process is overcome, and the processed product is bright in color, high in dispersibility and high in water absorption.

The invention discloses a preparation method of zeaxanthine. According to the preparation method, corn gluten meal is dissolved in water, Alcalase2.4L protease is added, enzymolysis temperature is controlled to be 45 to 60 DEG C, enzymolysis pH is adjusted to be 8.0 to 9.0, and enzymolysis time is controlled to be 45 to 90min, wherein adding amount of Alcalase2.4L protease accounts for 1 to 5% of the mass of corn gluten meal; after enzymolysis, pH value of an obtained product is adjusted to be 3.0 to 4.0, the product is subjected to centrifugation, and a supernate is discarded so as to obtain a precipitated enzymolysis product; the enzymolysis product is subjected to extraction with an organic solvent so as to obtain an extract liquor containing zeaxanthine; and at last zeaxanthine is obtained via rotary evaporation. Continuous operation of the preparation method can be realized; and the preparation method is convenient for realization of industrialized mass production, is capable of increasing additional value of corn gluten meal, and possesses excellent economic benefits. The prepared zeaxanthine grease is high in pigment content and stability, and is green and natural.

The invention discloses a germination accelerating and seedling raising method for hyacinth bean seeds. The method comprises the following steps: 1, pretreating hyacinth bean seeds; 2, preparing a nutrient soaking solution; 3, soaking seeds; 4, preparing a seed coating specially used for hyacinth bean; 5, treating hyacinth beans with the seed coating; 6, accelerating germination; 7, disinfecting bud seeds; 8, preparing a nursery substrate; and 9, transplanting and raising seedlings. According to the method disclosed by the invention, the emergence rate is high, the seed germination rate is high, and due to pretreatment of the hyacinth bean seeds, preparation of the seed soaking solution and coating of the seed coating, an excellent germination and seedling growth microenvironment is provided for the hyacinth bean seeds, and the virus resistance, mold resistance and drought resistance of the seeds are obviously improved, so that the germinative force and seed vigor are obviously improved, and heights of the seedlings are increased. Therefore, the seedling resistance is enhanced, the leaves are dark green due to increase of pigment content, the cost is reduced, a powerful guarantee is provided for large-scale cultivation, and the germination accelerating and seedling raising method has excellent practical value and excellent application prospects.