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42results about How to "Guaranteed color stability" patented technology

White organic electroluminescent device and manufacturing method thereof

The invention provides a white organic electroluminescent device and a manufacturing method thereof. The white organic electroluminescent device comprises a cathode layer, an anode conducting layer and an organic layer which is clamped between the cathode layer and the anode conducting layer, wherein the organic layer comprises a phosphorescent luminous layer and a fluorescent luminous layer; the luminous color of the phosphorescent luminous layer is different from that of the fluorescent luminous layer; and a composite inner connecting layer is arranged between the phosphorescent luminous layer and the fluorescent luminous layer. The manufacturing method of the white organic electroluminescent device comprises the following steps of sequentially forming the anode conducting layer, the organic layer and the cathode layer on a substrate from bottom to top, wherein the organic layer comprises the phosphorescent luminous layer and the fluorescent luminous layer, and the luminous color of the phosphorescent luminous layer is different from that of the fluorescent luminous layer; and forming the composite inner connecting layer between the phosphorescent luminous layer and the fluorescent luminous layer. By adopting the white organic electroluminescent device and the manufacturing method thereof, the illuminating efficiency can be improved and the color stability can be ensured.
Owner:BOE TECH GRP CO LTD

Solar spectrum and black-body radiation spectrum simulation system based on quantum dot LED

The invention belongs to the technical field of simulation light sources, and particularly relates to a solar spectrum and black-body radiation spectrum simulation system based on a quantum dot LED. The system comprises a light source module, a light dimming system, a focusing lens, a light mixer and a light distribution lens group, wherein the light source module comprises K monochromatic light quantum dot LED light sources or ultraviolet LED light sources with different peak wavelengths; the focusing lens converges monochromatic light to the light mixer at the public focal point of the focusing lens, and the light mixer mixes the monochromatic light into simulated sunlight or simulated black-body radiation light within the wavelength of 200-1,200 nm; and finally, the monochromatic light is emergent through the light distribution lens group. According to the solar spectrum and black-body radiation spectrum simulation system, during synthesis of a target spectrum, under an ideal implementation condition, the association coefficient r of synthesized light and the target spectrum within 400-730 nm is greater than 0.99, and the color temperature deviation delta CCT is less than 100 K; and generally, the developing index Ra is greater than 98, the special developing indexes from R1 to R15 are all greater than 96, and the color tolerance difference SDCM is less than 1.
Owner:FUDAN UNIV +1

Method for storing color and luster and flavor of Chinese chestnut-lotus root composite ultramicro whole powder with easy gelatinization

The invention relates to a method for storing the color and luster and flavor of Chinese chestnut-lotus root composite ultramicro whole powder with easy gelatinization, and belongs to the field of the food processing of fruits and vegetables. The method comprises the following main processes of: peeling Chinese chestnuts and fresh lotus roots, cutting into slices, and keeping colors by using a composite color fixative prepared from citric acid, ascorbic acid and N-acetylcysteine; freeze-drying by microwave to prepare dried slices; and crushing the dried slices of the Chinese chestnuts and thelotus roots coarsely, mixing, and performing airflow type ultramicro full crushing to prepare the Chinese chestnut-lotus root composite ultramicro whole powder with the easy gelatinization. In the processing process, the change of the color and luster in the drying and crushing processes in the later period can be controlled by color-keeping processing; in the drying process, the change degree ofthe color and luster and flavor in the conventional hot-air drying process is reduced obviously by the microwave freeze-drying technology; and in the crushing process, the loss of excessive heat generated by the mechanical shearing crushing technology on the color and luster and flavor is prevented effectively by the airflow type ultramicro full crushing technology, and the flavor and nutrition of the Chinese chestnuts and the lotus roots can be better mixed by high-pressure air combination in the ultramicro full crushing process.
Owner:杭州建德天堂食品有限公司 +1

Full-automatic omnibearing rubber roller cleaning device

The invention provides a full-automatic omnibearing rubber roller cleaning device which belongs to the technical field of printing-dyeing machines. The full-automatic omnibearing rubber roller cleaning device comprises a working platform, a rotating motor, a swinging motor capable of moving leftward and rightward, a water spraying device and a drying hole. In the cleaning process, the swinging motor capable of moving leftward and rightward drives the water spraying device and the drying hole to swing leftward and rightward; the rotating motor drives a rubber roller to do circumferential rotation; and the cleaning device and a part to be cleaned move simultaneously to lead the cleaning to be more thoroughly. In the printing process of ceramic tiles, the printing glaze material on the surfaces of the ceramic tiles is easy to enter the rubber roller so as to block mesh holes and further influence the effect of printing products. The traditional rubber roller cleaning equipment only can clean 20% of the residual glaze material in the rubber roller, while the full-automatic omnibearing rubber roller cleaning device can clean the residual glaze material in the rubber roller thoroughly and guarantee the color stability of the printing products. According to the full-automatic omnibearing rubber roller cleaning device, the operation is simple and convenient, the cleaning is thorough, the whole cleaning process is full-automatic, and workers only need to install the rubber roller on a bracket, so that the labor is saved.
Owner:海鸥冠军有限公司

Production method of 4, 4-diaminodiphenyl ether

PendingCN114671770ASolve the problem of not being able to replace the residual oxygen in the solventPrevent oxidationOrganic compound preparationAmino-hyroxy compound preparationNitro compoundDiaminodiphenyl ether
The invention discloses a production method of 4, 4 '-diaminodiphenyl ether, and relates to the technical field of aromatic nitro compound hydrogenation synthesis. According to the production method of the 4, 4 '-diaminodiphenyl ether, firstly, trace oxygen dissolved in the solvent is discharged by adopting a vacuum-pumping solvent evaporation method, and the problem that residual oxygen in the solvent cannot be replaced by only using nitrogen is solved, so that hydroxylamine benzene and azobenzene oxidation in the nitro hydrogenation process is inhibited, the darkening of the product color is avoided, and the product quality is improved. The impurity amount is increased; secondly, a specific inert poor solvent is adopted for crystallization, on one hand, side reaction of the amino compound and the solvent can be prevented, on the other hand, the inert solvent can crystallize and separate out the product from the reaction solvent, but the reaction impurities are reserved in the solvent, and therefore the purity of the product is improved; in addition, the addition of the reducing agent can prevent extremely trace oxygen free radicals in the solvent and nitrogen from oxidizing amino to influence the product color so as to ensure the color stability of the amino compound.
Owner:QINGDAO UNIV OF SCI & TECH

Composite for color developmentdirect reading rapid detection of malachite green and application thereof

The invention discloses a composite for color development direct reading rapid detection of malachite green and an application thereof, and belongs to the field of food detection analysis and environmental monitoring. The preparation method ofthe composite comprises the step that (1) a titanium alkoxide solution is prepared; (2) suction filtration is used so that a filter membrane adsorbsthe titanium alkoxide solution in a saturated mode; (3) a potassiumiodate-colloidal silver mixed solution is prepared; and (4) through the sucking filtration, the potassium iodate-colloidal silver solution passes the filter membraneabsorbing the titanium alkoxide solution in the saturated mode prepared in the step (2), a potassium iodate-Ag/nano-titania composite is generated through aone-step sol-gel reaction. According to the composite for color development direct reading rapid detection of malachite green and the application thereof,the potassium iodate-Ag/nano-titania compositeis used as a color developing agent for detecting malachite green in aquatic products or environmental water bodies;by using the potassium iodate-Ag/nano-titania composite as the color developing agent, a good color development substrate is provided, and color development stability is ensured; and time used for color development is greatly shortened while the sensitivity of color development is improved.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Method for juicing lycium ruthenicum

The invention discloses a method for juicing lycium ruthenicum. The method comprises the following steps: S1, bubbling and cleaning fresh lycium ruthenicum fruit with a 10%-15% NaCl aqueous solution,and spraying purified water to remove impurities on the surface of the fresh lycium ruthenicum fruit; S2, performing air-drying on the fresh lycium ruthenicum fruit to remove skin moisture, performingfreezing for fresh keeping, conveying the frozen fruit to a crusher to remove fruit pedicel during processing of the lycium ruthenicum juice, and pumping the lycium ruthenicum juice to a pulping machine to separate skin seeds; S3, adding VC to a separated feed liquid for oxidation resistance and color protection; S4, breaking cell walls of lycium ruthenicum juice under the condition of high-pressure homogenization at pressure of 25-30 MPa to crush the cell walls of the lycium ruthenicum juice. A large number of experiments show that under certain acidity, the heating temperature of the lyciumruthenicum juice under the condition of keeping activity is improved, the lycium ruthenicum juice can be effectively sterilized, the shelf life of the lycium ruthenicum juice is prolonged, nutrientsin the lycium ruthenicum juice are ensured, color value stability of the lycium ruthenicum juice and the content of anthocyanin are ensured, and it is verified that the lycium ruthenicum juice can besterilized at 62-65 DEG C.
Owner:宁夏杞乡生物食品工程有限公司

Color-spun polyester-viscose fabric and production method thereof

The invention provides a color-spun polyester-viscose fabric and a production method thereof. Four-time continuous hair grabbing is adopted in hairiness grabbing and shearing, one-time hairiness shearing is realized, integral molding is realized, the production efficiency is improved, relatively large tension force is used in the first-time hairiness grabbing to facilitate quick fuzzing, relatively small tension force is used in the second-time and third-time hairiness grabbing to avoid damaging the fabric surface, grabbed hairiness is denser and more uniform, relatively large tension force isused in the fourth-time hairiness grabbing to comb the grabbed hairiness so as to facilitate subsequent hairiness shearing, hairiness grabbing and shearing are uniform through control of the tensionforce in the four-time hairiness grabbing, the fabric is good in wool-like effect, is fluffy and soft in hand feel and is resistant to fuzzing and pilling, difficult in hair slip, good in water washing appearance, comfortable to wear and excellent in antistatic property, the method is advanced and reasonable in processing flow, the product quality is stable, the method is simple and reliable, is high in production rate, short in period and high in color fixation rate and reduces sewage discharge from the perspective of energy saving and environmental protection, the product quality can be improved, and the fabric is good in quality sense and excellent in market economic benefit.
Owner:LILANG CHINA

Color-stabilizing protective glaze, ceramic tile and preparation method of ceramic tile

ActiveCN114873916AExtended Melting Firing TemperaturePerformance deviation is smallCeramic materials productionFritGlaze
The invention discloses a color-stabilizing protective glaze, a ceramic tile and a preparation method of the color-stabilizing protective glaze, and the color-stabilizing protective glaze is prepared from the following raw materials in parts by weight: 15-24 parts of calcined soil, 8-17 parts of wollastonite, 10-35 parts of high-temperature frit, 20-30 parts of matte transparent frit and 10-30 parts of low-temperature transparent frit. The matting temperature of the protective glaze is adjusted by adding the calcined soil, the firing temperature is reduced and the firing time is shortened by adding the wollastonite, and meanwhile, the high-temperature frit, the matte transparent frit and the low-temperature transparent frit are introduced in a high proportion, so that the melting firing temperature of the glaze is expanded, the effect deviation of the glaze under different firing systems is small, and the service life of the glaze is prolonged. And the color development stability of the ink-jet ink under different conditions is ensured. The color-stabilizing protective glaze provided by the invention not only can play a role in protecting a decorative pattern layer and prolonging the service life, but also can stabilize the natural color of decorative ink, and the color of a decorative pattern is not influenced by the change of using process parameters, so that the color-stabilizing protective glaze is beneficial to repeated production on line.
Owner:DONGGUAN CITY WONDERFUL CERAMICS IND PARK +2

Safe and environment-friendly pearlite sand and preparation method thereof

The invention relates to safe and environment-friendly pearlite sand and a preparation method thereof. The pearlite sand comprises the following ingredients in parts by weight: 460-480 parts of colorant and 20-40 parts of quartz sand, wherein the colorant comprises the following ingredients in parts by weight: 390-410 parts of sodium silicate, 45-55 parts of lithium silicate, 2-4 parts of curing agent, 0.5-1.5 parts of metasilicate, 0.5-1.5 parts of concentrated sulfuric acid, 90-110 parts of filler, 380-420 parts of pearl essence, 45-55 parts of film forming assistant and 40-50 parts of water. The pearlite sand is prepared through firstly preparing the colorant, then, mixing the colorant with the quartz sand, and then, carrying out drying and screening. Compared with the prior art, the pearlite sand and the preparation method thereof have the advantages that the quartz sand serves as a basic raw material of the pearlite sand and is colored through the pearl essence, and thus, the surface of the quartz sand can present soft pearly luster; the pearlite sand has the characteristics of high-temperature resistance, lighting resistance, acid/base resistance, water resistance and friction resistance, is environmentally friendly, non-toxic and harmless and can be extensively applicable to coating materials in the fields of automobiles, articles for daily use, buildings and the like instead of natural pearlite sand.
Owner:BNSA NEW MATERIAL SHANGHAI CO LTD

Preparation method of juicy peach fruit wine with stable color

The invention discloses a preparation method of juicy peach fruit wine with stable color. The preparation method comprises the following steps: S1, preparing juicy peach pulp; S2, performing high-temperature sterilization on the juicy peach pulp for 30s-120s, quickly cooling the juicy peach pulp to 15 DEG C or below, and feeding the juicy peach pulp into a fermentation tank; S3, simultaneously adding 0.01 ml/L-0. 05ml/L of exogenous pectinase, 2g/L-6g/L of oak chips and 0.2 g/L-0. 6g/L of fining agent into the pulp obtained in the step S2, and treating the pulp for 8h-12h at the temperature of10 DEG C-15 DEG C; s4, filtering the pulp treated in the S3 to obtain filtrate, wherein the filtering pressure is 0.2Mpa to 0.8Mpa, and the turbidity NTU of the filtrate is 100 to 200. Synergistic effects of multiple steps are organically combined, so that the juicy peach fruit wine is light yellow to golden yellow, and the color is stable after the juicy peach fruit wine is bottled; in a whole preparation process, the color stability of the juicy peach fruit wine is ensured through interaction of the steps of passivating enzyme activity at high temperature, resisting oxidation, physically isolating by carbon dioxide or nitrogen, carrying out enzymolysis, adding the fining agent, and clarifying to remove phenolic substances which are easy to brown.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY +1

Manufacturing process for frame picture long in service life

The invention discloses a manufacturing process for a frame picture long in service life. The manufacturing process for the frame picture long in service life comprises the steps that (1) a picture frame is manufactured; (2) a picture is manufactured, wherein (21) needed artwork is printed on the front face of PP synthetic paper with glue; (22) drying is conducted for 5 minutes under the condition of 25 DEG C-30 DEG C, a layer of shadowless glue is smeared on the front face of the PP synthetic paper with glue under the condition without ultraviolet irradiation, and image cross textuye is made to cover the front face of the PP synthetic paper with glue; (23) the image cross textuye is rolled through wheels at 20 DEG C-25 DEG C, and after bubbles between the PP synthetic paper with glue and the image cross textuye are discharged, the PP synthetic paper with glue and the image cross textuye are fixed in clamping plates to be heated; (24) the heated object is put under the condition of ultraviolet irradiation to be solidified, and bonding of the PP synthetic paper with glue and the image cross textuye is completed after solidification; (25) the picture matched with a bottom plate in shape is cut according to the bottom plate; (3) the cut picture is installed in the picture frame. The manufacturing process for the frame picture long in service life has the advantages that the service life is long, the bonding effect is good, and the manufacturing process is simple.
Owner:成都雅致工艺品有限公司

A kind of compound and application for rapid detection of malachite green by direct-reading color development

The invention discloses a compound for rapid detection of malachite green by direct-reading color development and its application, belonging to the fields of food detection and analysis and environmental monitoring. The preparation method of the complex comprises: (1) preparing a titanium alkoxide solution; (2) utilizing suction filtration to make the filter membrane saturated to absorb the titanium alkoxide solution; (3) preparing a potassium iodate-colloidal silver mixed solution; (4) Using suction filtration, the potassium iodate-colloidal silver mixed solution is passed through the filter membrane of the saturated adsorption titanium alkoxide solution prepared in step (2), and the one-step sol-gel reaction generates potassium iodate-Ag / nano-titanium dioxide composite. The present invention uses potassium iodate-Ag / nano-titanium dioxide composite as a color developing agent to detect malachite green in aquatic products or environmental water bodies. The present invention uses potassium iodate / Ag@nano-titanium dioxide composite as a color developing agent to provide a good color developing base material to ensure the stability of color development; while the sensitivity of color development is improved, the time used for color development is also greatly improved reduce.
Owner:ZHEJIANG FORESTRY UNIVERSITY
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