72 results about "Strong coloring" patented technology

The invention discloses a color regulator special for improving appearance of recombinant tobacco and a preparation method of the color regulator and belongs to the technical field of preparation of food colorants. The color regulator is prepared by mixing three natural pigments including beta-carotene, lycopene and caramel and five additive aids including guar gum, tannic acid, citric acid, sodaand methyl acetate according to a certain ratio, wherein the natural pigments are separated and purified by a supercritical CO2 extraction technology and a reverse osmosis technology; and oil-solublebeta-carotene and lycopene are modified into water-soluble pigments by an emulsification embedding technology. The preparation method is simple and easy to implement. The color regulator has the advantages of high water solubility, strong coloring power, stable performance and safety and no toxicity in combustion. High-quality recombinant tobacco can be prepared by the color regulator.

The invention discloses a method for preparing sodium copper chlorophyll from a pitaya fruit stem. The method uses a fresh pitaya fruit stem as a raw material to extract chlorophyll and prepare the sodium copper chlorophyll through the steps of pre-processing the material, reflux extracting, saponifying, concentrating, extracting, regulating acid and putting copper in, salifying and drying. The invention also researches the stability of the sodium copper chlorophyll, and the color agent produced has fresh color, stable performance, and strong coloring power and is safe and nontoxic. Therefore the color agent can be widely applied for food coloration and as cosmetics and pharmaceutical colorant.

The invention discloses a copper-chrome black pigment and a preparation method thereof. The copper-chrome black pigment is prepared from the following raw materials in percentage by weight: 20-35 percent of copper oxide, 35-55 percent of chromium oxide, and 20-45 percent manganese dioxide. The particle diameter D50 of copper oxide, chromium oxide and manganese dioxide is less than or equal to 2 microns. The copper-chrome black pigment prepared by the method has the advantages of fine particles, uniform particle distribution, and complete copper chromite crystal, so that the copper-chrome blackpigment has strong coloring power, high stability and low product cost, and can satisfy the requirements on the copper-chrome black pigment in various fields.

A method for preparing split-phase black fancy glaze by utilizing industrial slag includes evenly grinding slag coarse materials in a mortar, filling the ground slag coarse materials into a crucible, roasting the materials in a high temperature furnace to 1000 DEG C, conducting heat preservation for 60 minutes, enabling the materials to be naturally cooled, conducting ball grinding after cooling, conducting screening through a 80-mesh screen to prepare fine slag, mixing feldspar, quartz, calcite, talc, calcium phosphate, fine slag, sodium tripolyphosphate and CMC, conducting fine grinding to 250 meshes, modulating glaze slip to be 1.7g / cm<3>, evenly spreading the glaze slip on a base, heating the glaze slip to 1180 DEG C to 1250 DEG C, conducting heat preservation for 20 to 50 minutes, and then conducting natural cooling. Split mechanism and slag coloring oxide generated by a melt in the roasting process of the glaze slip are combined to conduct coloring and enable a little color oxide to generate strong coloring capability. The preparation method of the black fancy glaze is low in cost, high in stability and abundant in decorative pattern. Further, colorant content of the black fancy glaze is 30% to 50% of color material content in common glaze.

The invention relates to a preparation method of an iron oxide water-based color paste, which comprises the following steps: (1) stirring undried iron oxide pigment, and heating to 65-75 DEG C; (2) dropwisely adding 3-6 parts by weight of anionic active agent and 4-8 parts by weight of high-performance dispersing agent, keeping the temperature at 65-75 DEG C, and continuously stirring; (3) adding 2-3 parts by weight of supplementary wetting agent, keeping the temperature at 65-75 DEG C, and continuously stirring; (4) after bubbles appear, cooling to room temperature; (5) adding 0.3-0.5 part by weight of defoaming agent; and (6) adding deionized water to obtain the iron oxide water-based color paste. According to the invention, the prepared iron oxide pigment has high dispersity, fine granularity and strong coloring power.

The invention discloses a method for preparing fluorophlogopite compound titanium dioxide. The method comprises the steps of: soaking fluorophlogopite powder in water to obtain mixed solution, adding oxalic acid to adjust the pH value to be between 2 and 3, and then adding a nonionic surfactant; then adding titanium tetrachloride and stirring, and stopping adding and preserving heat for a period of time when the hue of the mixed solution turns blue, wherein titanium metal can be cladded on the surface of fluorophlogopite through the process; and then performing filtration treatment to obtain primary raw materials of the fluorophlogopite compound titanium dioxide, and then performing drying and calcination treatment to finally obtain a finished product of the fluorophlogopite compound titanium dioxide. The fluorophlogopite compound titanium dioxide prepared by the method can be used for coatings, and the coatings have high whiteness (can reach over 99.8), bright and clean surfaces as well as good high temperature resistance and weather resistance, and can never change color and fade. The fluorophlogopite compound titanium dioxide also has the characteristics of good electrical insulating property, antistatic performance, acid and alkali corrosion resistance, strong coloring power and the like, and is simple in processing technology and low in cost.

The invention discloses a water-based matte pigment transfer printing film and a preparation method thereof. The water-based matte pigment transfer printing film comprises a layer of PET base film (1), wherein the PET base film is sequentially covered by a water-based matte primer coating agent (2), and the water-based matte primer coating agent is prepared by mixing water-base resin with high-strength adhesion to the PET base film, inorganic filler, a waterborne curing agent, a waterborne aid and water; the surface of the primer coating agent is at least covered by a layer of water-based matte type release agent (3); then the surface of the release agent is at least covered by a layer of water-based coloring adhesive layer (4); the water-based coloring adhesive layer is prepared from waterborne pigment color paste, water-based hot melt adhesive, waterborne aid and water according to a certain proportion, and the materials are ground, mixed, wetted and dispersed to be prepared into thewater-based coloring adhesive layer; the coating is that the materials sequentially cover the PET base film in a scraper anilox roller coating mode and are dried by a 80 to 170 DEG C drying tunnel. The prepared hot stamping film has the advantages of good matte effect, strong coloring hiding power, multiple color kinds, good flexibility, strong base material adhesion, suitability for continuous hot stamping and the like. As the water-based raw materials are utilized, no volatile organic matter is generated in a production process, VOCs residues in products are avoided, and good environmental,safe and healthy effects are achieved.

The invention discloses a brown non-transparent glaze. The glaze comprises, by weight, 49 parts of frit, 7-9 parts of feldspar, 13-14 parts of quartz, 8-9 parts of kaolin, 3.5-4.5 parts of calcite, 2-3 parts of dolomite, 8-10 parts of calcined talcum, 3-4 parts of calcined tin oxide, 0.5-1 part of a black pigment, and 1-2 parts of a red brown pigment. The glaze has the advantages of strong coloring property, uniform color, fine glaze surface, good hardness, good staining resistance and good acid and alkali resistance. The invention also discloses an environmentally-friendly simple-process method for making a vase by using the glaze.

The invention discloses environmental-friendly printing ink containing a plant adhesive, and relates to the technical field of printing. The environmental-friendly printing ink is prepared from the following raw materials: 250 to 260 parts of waterborne polyurethane emulsion, 3 to 5 parts of pigment, 2 to 4 parts of antifoaming agent, 5 to 7 parts of dispersing agent, 6 to 8 parts of polyethylene wax, 8 to 10 parts of mineral oil, 5 to 7 parts of drying agent, 40 to 50 parts of water, 2 to 4 parts of tung oil, 5 to 7 parts of linseed oil, 15 to 25 parts of starch glue, 15 to 25 parts of abietate, 20 to 30 parts of ethyl alcohol, 10 to 20 parts of Aloe vera gel, 6 to 8 parts of organic base modifier and 2 to 4 parts of water-resistant agent. The environmental-friendly printing ink has the beneficial effects that the printing ink adhesive prepared by the invention is reasonable in formula and simple in preparation process, and uses non-toxic and harmless raw materials; due to adding of the plant raw materials, the environmental-friendly printing ink is natural and healthy, not only ensures health, but also has effects of strong coloring and less possibility in decoloration, and has great advantages for environmental protection and healthy; the prepared ink can be applied in various fields, and is convenient for practical popularization and wide use.

The invention relates to high-coloring-rate thermal sublimation ink based on disperse red 60 dye and a preparation method of the thermal sublimation ink. The thermal sublimation ink contains the following components in percentage by mass: 35%-55% of color paste, 1%-10% of a wetting agent, 1%-10% of a flatting agent, 20%-58% of deionized water and 5%-20% of a solvent, wherein the color paste contains the following raw materials in parts by weight: 20-30 parts of the disperse red 60 dye, 25-35 parts of a solvent, 35-49.5 parts of water, 0.5-2 parts of a surfactant and 5-10 parts of a dispersing agent; and the surfactant is lignosulfonate with a sulfonation degree of 1.05mmol / g-2.0mmol / g. The color paste is prepared by compounding a specific amount of disperse red 60 dye, solvent, water, surfactant and dispersing agent, and the sulfonation degree of lignosulfonate is creatively controlled, and furthermore, the charge balance of the lignosulfonate after lignosulfonate is bonded with the dye is controlled, so that the dyes in the thermal sublimation ink can be still stably dispersed under a small particle size condition, and the thermal sublimation ink has the advantages of high coloring rate, strong coloring capacity and high color fastness and transfer rate in use.

The invention relates to a green fertilizer coloring agent and a preparation method thereof. The green fertilizer coloring agent comprises the following components in part by weight: 5 to 8 parts of coloring agent, 0 to 3 parts of toner, 0 to 10 parts of dispersant and 0 to 10 parts of compatibilizer, wherein the coloring agent is food-grade lemon yellow 1-(4-sulfophenyl)-4-(4-sulfophenyl azo)-5-pyrazolone-3-carboxylic trisodium salt and / or food-grade brilliant blue di[-N-nethyl-N-3(sulfonic benzyl) aminophenyl]-2 sulfonic methylphenyl disodium salt, and the toner is food-grade rose bengal; the green fertilizer coloring agent is prepared by adding the substances into the water according to proportion, and grinding and uniformly mixing the mixture; and the using amount of the green fertilizer coloring agent in each ton of fertilizer is 0.20 to 3.5 kilograms, and the green fertilizer coloring agent is used for coloring the fertilizer to obtain corresponding green fertilizer. The green fertilizer coloring agent has the advantages of strong coloring capability, ecological environment protection, low cost, low using amount, pollution free and the like.

The invention discloses a pure natural plant lipstick which comprises 5-16% of candelilla wax, 48-87% of vegetable oils and 8-20% of a radish root extract. The vegetable oils include castor oil, avocado butter, olive fruit oil and canola oil. According to the pure natural plant lipstick, the radish root extract and the vegetable oils are added into the lipstick, the radish root extract not only can provide a smearing color for the lipstick, but also has strong coloring power and color development degree, and can cooperate with other vegetable oils to repair skin, promote collagen synthesis, resist wrinkles, preserve moisture and relax the skin; in addition, essence, synthetic pigments or preservatives are not added into the lipstick. The lipstick is environmentally friendly and healthy, and all raw materials are from pure plants, have good affinity with skin and are safe and natural. The invention also discloses a preparation method of the pure natural plant lipstick. The preparation method is simple and suitable for industrial production.

The invention discloses an antistatic color master batch based on PET blending modification. The comprises the following ingredients, by weight, 15%-50% of PET resins, 10%-20% of antistatic agent, 15%-30% of pigments, 5%-30% of nano barium sulfate, 0.1%-1% of titanate coupling agents, 0.1%-1% of sodium stearate and 0.5%-3% of ultrafine TAS-2A powder. The antistatic agent is one selected from polyethylene oxide, polyether ester amide, glycerol monostearate and alkyl sodium sulfonate compounds and nano antimony doped tin oxide. The beneficial effects are that the antistatic color master batch has characteristics of high concentration, high dispersion, strong coloring, low cost, excellent antistatic property, convenient usage and the like, 3%-10% of the antistatic color master batch by weight is added in PET production, a surface resistivity of a product can be lowered to 10<9>-10<10> omega.m, the mechanical properties and heat resistance of the material can be raised obviously, and the production cost is lowered.

The invention discloses a method for extracting a sorghum red pigment. The sorghum red pigment is a main color generation substance in sorghum husks and belongs to flavone compounds. The sorghum husks serve as a main raw material, ethanol serves as an extracting agent, hydrochloric acid serves as a pH value regulator, sodium hydroxide serves as a neutralizer and ethyl acetate serves as an extracting solvent. The sorghum red pigment comprises the following steps of washing, drying, extracting and distilling under reduced pressure. The process is simple and convenient to operate; and the prepared sorghum red pigment has natural color and luster and strong coloring power, and is widely applied to the food and beverage industries.

The invention discloses a melanin which is extracted from burmann cinnamon bark and a preparation method and application thereof. The preparation method of the melanin extraction comprises the following steps: 1) the burmann cinnamon bark is immersed and extracted by using alkaline solution to be removed of the burmann cinnamon bark and to obtain leaching fluid; 2) the leaching fluid is acidized, leading the melanin to be precipitated, separated and dried, and then the melanin coarse extraction is made; 3) the melanin coarse extraction is put into hydrochloric acid to be hydrolyzed and separated to get the melanin; 4) the obtained melanin is dissolved in alkali solution so as to get the melanin solution which is then extracted by using petroleum ether and chloroform in sequence; 5) the extracted solution is acidified to be separate to get the melanin precipitate, which is then washed in clean water and dried to get the melanin product. The melanin made in the method has strong coloring ability, light fastness and good thermal stability and oxidation resistance performance, can be broadly applied and can particularly well applied to the fields such as edible pigment, cosmetic additive, industrial colorant, and staining agent, etc.

The invention discloses a molding method for a surface-activated nano-carbon black reinforced HDPE water-supply pipe. The molded pipe is prepared by weighing prepared black master batch and HDPE resin in proportion, carrying out extrusion with a single-screw extruder to prepare a blank pipe and then preparing the molded pipe from the blank pipe by using a sizing sleeve, a cooling water tank, a tractor, a cutting machine and a plate turnover rack. According to the invention, the HDPE water supply and drainage pipe prepared from high-gloss black master batch with a high specific surface area, strong coloring ability, good light stability and obvious enhancement effect is obviously improved in strength, anti-oxidation degree, hydrostatic strength and the like.

The invention discloses a polyester color master batch having an antibacterial function. The polyester color master batch comprises, by mass, 20-50% of a carrier, 25-40% of an antibacterial agent, 10-25% of a pigment, 0.5-2% of a nucleating agent, 3-5% of a dispersant, 0.5-3% of a coupling agent and 0.1-1% of a stabilizer. The master batch prepared in the invention has an antibacterial function and also has a coloring performance when the master batch is used in polyester, and also has the advantages of lasting antibacterial property, stable performances, strong coloring strength, good dispersity, use convenience, low cost and wide application prospect.

The invention discloses a preparation method of a highlight black master batch applied to an HDPE (High-density Polyethylene) water supply and drainage tubular product. The preparation method comprises the following steps: internally mixing by utilizing an internal mixer to obtain a uniform melt; extruding and granulating the molded uniform melt through a single-screw extruder to obtain the black master batch. According to the highlight black master batch disclosed by the invention, raw materials are reasonably selected and the raw materials are reasonably proportioned so that nano carbon black in the prepared highlight black master batch has a large specific surface area, strong coloring capability, good light stability and an obvious enhancing effect; the strength, anti-oxidization degree and hydrostatic strength of the HDPE water supply and drainage tubular product prepared from the highlight black master batch are remarkably improved.

The invention relates to a traditional Chinese medicine black hair dye and a preparation method thereof. The Chinese medicine of the invention is composed of: 10-300 grams of Polygonum multiflorum, 10-300 grams of Rehmannia glutinosa, 10-300 grams of Bletilla striata, 20-400 grams of Qingdai, 10 grams of dry pine G - 300 g, ginger 5 g - 200 g, the traditional Chinese medicine composition of the present invention can deeply moisturize the head skin, improve hair quality, make hair soft and shiny, hair has toughness, and can also relieve head pressure and nourish hair It can prevent hair loss, remove dandruff, relieve itching and inhibit the appearance of white hair. The Chinese medicine black hair dye of the present invention has strong coloring power, natural coloring, no fading, no discoloration, no sticking to the skin, and excellent dyeing effect. lasting.

A magnesium-based blue matt glaze is composed of the following raw materials (by weight): 30-36 parts of feldspar, 7-9 parts of quartz, 22-28 parts of talc, 9-11 parts of dolomite, 5-7 parts of kaolin, 13-15 parts of boron frit, 2.5-3.5 parts of cobalt oxide, and 0.8-1.2 parts of manganese oxide. According to the magnesium-based blue matt glaze provided by the invention, cobalt oxide with strong coloring ability is used as a coloring agent, and high-boron frit is used and a certain amount of manganese oxide is added to promote color development. Thereby, the coloring power of the magnesium-based matt glaze is improved, stable blue glazing color is formed by furnace transmutation, and a good glaze is obtained.

The invention discloses a method for measuring the operative bleeding amount and a measuring card, and belongs to the technical field of medical detection. The strong coloring capability of hemoglobin is utilized, and by comparing the color of a postoperative mixed solution of blood and flushing fluid with the color of a reference solution of the preset concentration, the concentration of the hemoglobin of the mixed solution is evaluated, so that the operative bleeding amount is obtained, and the method has the advantages of being rapid, easy and convenient to implement and accurate.

The invention discloses a modified anthraquinone coloring agent, which is prepared by introducing amino groups / substituted amino groups / piperidyl groups and water-soluble sulfonic groups into the molecular structure of a water-insoluble anthraquinone dye taken as the basic material through modification. The modified anthraquinone coloring agent has a structural formula (1) which is represented in the description, and has the characteristics of bright color, strong coloring performance, high coloring rate, good cooperation among each component, no layering, no deposition, and low color degree, high solubility, and good stability of sewage after the paper pulp coloring process,. The using amount of color-fixing agent used in the conventional printing and dyeing process is reduced, so the pollution to the environment is reduced. Moreover the modified anthraquinone coloring agent can be easily applied to industrial production, so the costs for papermaking and paper printing and dyeing are greatly reduced.

The invention discloses a high-emperature-resistant and high-dispersivity non-toxic pigment and a preparation method thereof. The high-temperature-resistant and high-dispersivity non-toxic pigment is prepared from the following raw materials in parts by weight: 40-60 parts of ferrous sulfate, 5-10 parts of Chia seed, 1-3 parts of eucalyptus essential oil, 1-3 parts of hydrogenated castor oil, 2-6 parts of guar gum, 10-14 parts of nano-sized silicon dioxide, 8-12 parts of nano-sized titanium dioxide, 4-8 parts of butyl acetate, 2-6 parts of okra slime, 4-6 parts of a dispersing auxiliary agent, 8-12 parts of a silane coupling agent KH-550, 4-14 parts of montmorillonite, 4-8 parts of shell powder, 3-8 parts of a thickening agent, 0.5-1.5 parts of bisphenol A and 3-5 parts of maifanite powder. The high-temperature-resistant and high-dispersivity non-toxic pigment particles have good dispersivity and uniform and appropriate strength, have the characteristics of strong coloring power, high light resistance and high heat resistance, have good solvent resistance and acid and alkali resistance, are unlikely to powder, fly and diffuse, are safe and non-toxic and have relatively good antibacterial performance, so that the application range of the pigment is greatly widened.

The invention discloses a method for coloring the surface of stainless steel. Some stainless steel products also have shortcomings: first, the bright surface will give people a cold feeling; second, the single color is extremely inconsistent with the surrounding environment. The only way to overcome the above-mentioned shortcomings is to color the surface of stainless steel, but due to the extremely poor adhesion of the smooth surface, it is still an unsolved technical problem to color firmly on such a surface. The invention provides a method for coloring the surface of stainless steel to solve this difficult problem. The specific steps of the present invention are: first sandblasting the surface of the stainless steel, and then coloring the surface after sandblasting, and the specific process of coloring includes painting or spraying paint or plastic spraying or other methods that can be colored. Experiments have proved that the effect of coloring the surface of stainless steel with the above method is excellent, and it can be applied to any stainless steel product that needs coloring treatment on the surface, making the stainless steel product colorful and colorful.

The invention discloses a high-precision and pollution-free color masterbatch and a pelleting process thereof. The high-precision and pollution-free color masterbatch comprises the following components by mass: 88-93 percent of PET resin, 0.5-1 percent of titanium dioxide, 3.0-5.5 percent of chrome yellow, and 3.0-5.8 percent of ultramarine. The pelleting process comprises the following steps: melting, curing and sizing, and pelleting through cutting. The high-precision and pollution-free color masterbatc has relatively strong coloring power and covering power, is highly resistant to water, a solvent, heat, light and migration, bright in color, and high in dispersibility, the manufacturing process is simple, and no pollution is generated in the manufacturing process.

The invention discloses an edible printing ink. The edible printing ink comprises, by mass, 20-45 parts of a natural edible toner, 10-30 parts of water, 2-5 parts of ethanol, 40-60 parts of plant oil, 30-40 parts of animal fat, 0.1-1.5 parts of an edible assistant and 1-5 parts of nanometer starch. The natural toner, the plant oil, the assistant and the above nanometer material are adopted, so the edible printing oil has a high glossiness and a strong coloring strength, and completely accords with safety and health requirements of edibles in China.

The present invention relates to a thermal sublimation ink based on disperse black dye compounding, and a preparation method thereof, wherein the thermal sublimation ink comprises, by mass, 25-55% of a pigment paste, 1-10% of a wetting agent, 1-10% of a leveling agent, 20-45% of water, and 5-25% of a solvent, wherein the pigment paste comprises, by weight, 20-30 parts of a disperse black dye, 25-35 parts of a solvent, 40-70 parts of water, 0.5-2 parts of a surfactant, and 5-10 parts of a dispersant, and the surfactant is ligninsulfonate and has a sulfonation degree of 1.5-2.0 mmol / g. According to the present invention, the specific amount of the disperse black dye, the solvent, the water, the surfactant and the dispersant are compounded to form the pigment paste, and the sulfonation degree of the ligninsulfonate is creatively controlled so as to control the charge balance after the combination of the ligninsulfonate and the dye, such that the dye in the thermal sublimation ink can be stably dispersed in the case of the small particle size, and the advantages of high coloring rate, strong coloring, high color fastness and high transfer rate can be provided during the use.

The invention discloses a PTT color master batch and preparation method therefor. The PTT color master batch comprises the following ingredients, by weight, 50%-80% of PTT resins, 20%-50% of soluble dye, 3%-5% of dispersants and 0.1%-1% of anti-oxidants. The soluble dye is a high-grade oil soluble dye. The high-grade oil soluble dye is an anthraquinone dye or a heterocycle dye after chemical purification, and comprises one selected from a yellow GG dye, a red G dye, a red EG dye, a red BB dye, a blue 2RA dye, a purple BA dye, a green G dye and a brown R dye. The beneficial effects are that the PTT color master batch has characteristics of high concentration, bright color, strong coloring power, good stability, convenient usage, low cost and the like, the coloring technologies of PTT are reduced, and environment pollution is avoided.

The invention relates to the technical of PVC (polyvinyl chloride) color master batch coloring, in particular to a preparation method of high-flame-retardance PVC color master batches. The preparationmethod of the high-flame-retardance PVC color master batches comprises the following steps of premixed dispersion by a high-speed internal mixer: firstly adding powdery PVC resin and polyethylene wax; performing high-speed premixing; then, adding heavy calcium carbonate and pigment; performing high-speed premixing to obtain a premix; (2) material mixing: adding a plasticizer into the premix; performing high-speed mixing for short time, wherein the screw rod rotating speed is 360RPM to 450RPM, the temperature is set to be 24 DEG C to 31 DEG C, and the time is 430s to 550s; obtaining a base material; (3) base material extrusion molding; (4) cooling and air drying: performing air cooling after the PVC material is subjected to water cooling; (5) granule cutting. By regulating the material feeding sequence and the material mixing process, the material dispersion uniformity can be improved at the shortest time; simplicity, stability and high efficiency are realized; the production efficiency is improved, so that the prepared color master batches have the advantages of good dispersion performance and strong coloring power.

The invention discloses a preparing method for yellow paint, comprising the following steps: 1. putting water, hydrochloric acid, 3,3`- dichlorobiphenylamine hydrochloride and solid sodium nitrite into diazonium barrel for carrying out diazotization reaction; 2. adding water, liquid alkali, N-acetacetoanilide and PMP into solution barrel for carry out coupling; 3. adding 300 parts of water into additive chemical barrel, heating up to 70oC, adding 25kg of quaternary ammonium salt, melting to bright transparency; 4. boiling after adding water and sodium hydroxide into rosin barrel, adding disproportinated rosin, adding hyperdispersant; 5. adding water and natrium aceticum into coupling barrel, adding diluted hydrochloric acid and adjusting the pH to 6.0-6.5, diazotization coupling at 40-45oC, adding the fluid in step 3, using sodium hydroxide solution to adjust the pH=10.0-10.5 for more than 10 minutes, keeping warm, cooling, filter pressing, rinsing,drying and getting the finished goods with bright color, high transparency, strong coloring power, low oil absorbing quantity and high gloss.