24results about How to "Bright color" patented technology

The present invention relates to a polyimide powder and a preparation method therefor. With respect to the polyimide powder and the preparation method therefor, according to the present invention, a preparation process is simplified such that process efficiency can be improved, a polyimide is prepared in the form of a powder so as to facilitate molding thereof, and the polyimide has a low precipitation temperature and a high intrinsic viscosity so as to facilitate processing thereof, and has a uniform particle size so as to have excellent processability.

The present application relates to a kind of light and thin embroidery fabric and its preparation method, belong to fabric technical field, the preparation method includes: S1, preparation modified polyurethane emulsion, cotton fiber and polyester fiber are immersed in modified polyurethane emulsion, dry, the cotton fiber and polyester fiber after treatment are obtained, for standby;S2, take the cotton fiber and polyester fiber after treatment, prepare light and thin yarn using the way of Siro compact spinning, plain weave, obtain light and thin base cloth;S3, preparation finishing liquor;S4, light and thin base cloth is soaked in finishing liquor according to bath ratio, take out, lay on the calender roll, roll liquid, take out the fabric, dry, obtain light and thin embroidery fabric.The sulfonic acid group and polyethylene glycol segment introduced in modified polyurethane, cotton fiber and polyester fiber are immersed in modified polyurethane emulsion, microcrystalline cellulose and chitosan are added in finishing liquor, improve the tensile resistance, hydrophilicity and dyeing rate of light and thin embroidery fabric.

The present invention provides a multilayer milk skin layered yogurt and a preparation method thereof, and relates to the technical field of yogurt, the multilayer milk skin layered yogurt comprises 80-90 parts of raw material milk, 1-10 parts of cream, 0-1.2 parts of a compound stabilizer, 0.01-0.05 part of a strain, 3-8 parts of an anti-acid fruit and vegetable sauce, and 1-8 parts of sugar, the yogurt has at least three layers, the milk skin is located on the upper layer, the middle layer is a yogurt base, and the bottom layer is the fruit and vegetable sauce. The anti-acid fruit and vegetable sauce and the compound stabilizer cooperate to realize fruit and milk co-fermentation fermented milk, multilayer milk skin layering weaning can be formed, the multilayer milk skin layering weaning layering effect is remarkable, the boundary is clear, the product taste is fine, smooth and smooth, the product has natural fruit fragrance and milk fragrance, and the product is visually bright in color and distinct in gradation, and has a good market prospect. The appetite feeling and the eating interestingness are greatly enhanced.

This invention discloses fucoidan-phycocyanin nanoparticles loaded with astaxanthin. The nanoparticles are formed by the self-assembly of fucoidan and phycocyanin through electrostatic interactions and hydrogen bonds to form a carrier, encapsulating astaxanthin within. The nanoparticles have a particle size of 250 nm–350 nm, an absolute zeta potential ≥20 mV, a polydispersity index ≤0.30, and an astaxanthin encapsulation efficiency ≥78%. The composite preservation film uses carboxymethyl cellulose as the film-forming matrix, with the nanoparticles uniformly dispersed therein. The water contact angle is ≥90°, and the water vapor transmission rate is ≤14%. g·mm / (m²·h·kPa), ABTS free radical scavenging rate ≥80%; This invention significantly improves the water solubility and stability of astaxanthin through the ternary synergy of polysaccharide-protein-active factors, realizing the integration of multiple functions of anti-oxidation, antibacterial and physical barrier. When applied to grapes for room temperature preservation for 10 days, the weight loss rate is only 20.23%, and the hardness is maintained at 7.87N. The preservation effect is significantly better than commercially available PE film and pure carboxymethyl cellulose film. Moreover, the composite film has good biodegradability and has broad application prospects in the field of food preservation.

The invention belongs to the technical field of food processing, and relates to a melon rind source stabilizer, an extraction method thereof and application of the melon rind source stabilizer in watermelon juice. The extraction method comprises the following steps: S1, preparing watermelon peel pulp: taking inner peels of watermelons, adding water, and crushing into the watermelon peel pulp; step S2, alkaline hydrolysis ester removal: regulating and controlling a water medium microenvironment to enable the pH value of the melon rind pulp to be 10-13, and reacting at room temperature to remove methyl ester groups; then filtering and washing in sequence to obtain watermelon peel residues; and S3, low-temperature high-pressure homogenization and vacuum freeze drying are combined. The watermelon peel source stabilizer is extracted from watermelon inner peel pulp through alkaline hydrolysis ester removal and low-temperature high-pressure homogenization combined with vacuum freeze drying treatment, has a good network framework, and is not prone to molecular chain breakage, charge shielding or dehydration shrinkage in ultrahigh-pressure sterilization, so that the stability of watermelon juice is improved, and the stability of the watermelon juice is improved. Particularly, the double-effect stability of lycopene and juice in the watermelon juice can be regulated and controlled.

The invention discloses reactive dye ink for digital printing and a preparation method, and particularly relates to the field of fine chemical engineering and textile printing and dyeing. Comprising the following components in percentage by weight: 8wt%-25wt% of reactive dye, 2wt%-8wt% of a polymeric dispersant, 0.5 wt%-3wt% of an inorganic dispersant, 1wt%-4wt% of an organic-inorganic composite complexing agent, 0.5 wt%-5wt% of a viscosity modifier, 0.1 wt%-2wt% of a surfactant, 0.3 wt%-1.5 wt% of a pH buffering agent, 0.05 wt%-0.8 wt% of a preservative and the balance of deionized water. Through a dual stabilization mechanism of macromolecular steric hindrance and a nanoparticle rigid barrier and deep removal of destructive metal ions by a composite complexing agent, the particle size growth rate of the ink after accelerated aging for 30 days at 40 DEG C is lower than 5%, the ink can be stably stored for more than 12 months without sedimentation at normal temperature, and by combining a pure ink system, the stability of the ink is improved. And the fixation rate on the cotton fabric exceeds 85%, the color fastness to washing is greater than or equal to grade 4, the color fastness to dry / wet rubbing is greater than or equal to grade 4, and the color fastness to light is greater than or equal to grade 5.

The present application provides a kind of red direct dye, the red direct dye includes the compound with formula (I) shown as follows: Wherein, R1, R2, R3, R4, R5, R6 each independently is H, -SO3M, -NO2, -OCH3 or halogen, M is H, Na or K.The red direct dye and its composition of the present application are bright and brilliant, high fastness to sunlight, and excellent in environmental protection (without aniline) performance.The preparation method of the red direct dye and its composition of the present application has less wastewater, and is friendly to the environment.

The invention relates to a novel printed acrylic fabric and a production process thereof. The production process comprises the following steps: slurry preparation, printing, drying, steaming, water washing and shaping. Different from the prior art, the acrylic fabric is steamed after being printed in the technical scheme. Under the steaming damp and hot conditions, the acrylic fibers are expanded, dye ions with positive charges and fiber acid groups with negative charges are strongly and quantitatively combined through ionic bonds, cationic dye diffuses into the fibers and is combined and cured with the acid groups, and the requirement for color fastness is met.

This invention belongs to the field of edible fungus drying technology, and relates to a method for improving and drying *Auricularia auricula-judae* (golden ear fungus). The method includes the following steps: 1) Cleaning: removing the matrix attachment end and impurities from the fresh *Auricularia auricula-judae* fruiting body; 2) Slicing: slicing the fresh *Auricularia auricula-judae* fruiting body into thin slices with a thickness of 6-9 mm; 3) Heat pump far-infrared combined drying: drying the *Auricularia auricula-judae* slices using a heat pump far-infrared combined drying equipment; the drying temperature is 45-65 ℃, the humidity is 8-12%, and the infrared power is 800-1000 W. This invention, by controlling the process parameters of the heat pump far-infrared combined drying process, utilizes the synergistic effect of the heat pump and far-infrared radiation system to rapidly and efficiently prepare dried *Auricularia auricula-judae* slices with high total phenolic, total flavonoid, and total polysaccharide content. Furthermore, this dried *Auricularia auricula-judae* product has good color and low hardness, making it suitable for subsequent processing and development of functional products.

The invention provides a preparation method of gardenia jasminoides bean curd, and belongs to the technical field of food processing. The soybeans, the poria cocos and the Chinese yam are mixed and pulped, the extracting solution containing the gardenia jasminoides extract is added before solidification, the gardenia jasminoides bean curd which is golden in color can be directly obtained, the preparation method is simplified, meanwhile, the poria cocos and the Chinese yam are added into the bean curd, the components of a coagulant are adjusted, and the taste and the effect of the bean curd are enriched.

The invention provides a production method for one-bath one-step dyeing of a disperse / reactive dye, and belongs to the technical field of textile dyeing. According to the method, firstly, woven gray cloth is subjected to moisture regaining after doffing, pretreatment is conducted at a certain temperature and time, on the basis that a refining emulsifier and hydrogen peroxide are added, an oxygen bleaching agent is added into a pretreatment solution, oil and dirt in the spinning, weaving and other processes are directly removed, the permeability of the fabric and the adsorption capacity of the fabric to dye are improved, and the fabric has a good dyeing effect. The uniformity and color fastness of subsequent dyeing are improved, and the fabric is bright and pure in color and good in stability, has good coloring and leveling properties on the bright color, and is excellent in dyeing effect; after first acid adjustment, dyeing is carried out in a neutral dye bath by directly using dye liquor containing disperse dye and reactive dye at a certain temperature and for a certain time, the disperse dye does not need to be microencapsulated, the operation is simple and convenient, only clear water is needed for cleaning after dyeing, the dyeing time is shortened, the cleaning process is simplified, the water saving rate is high, and the purposes of saving energy and reducing consumption are achieved.

The present application relates to a kind of photonic crystal time-temperature indicating film device and its preparation method, belong to new material field.A kind of photonic crystal time-temperature indicating film device, the time-temperature indicating film device includes substrate and the indicating film attached to it, the indicating film is prepared by the central region of one-dimensional photonic crystal film after being treated by alkaline aqueous solution;The one-dimensional photonic crystal film is formed by inorganic nanoparticle disorder accumulation layer and copolymer nanoparticle disorder accumulation layer on substrate alternately stacked.The photonic crystal time-temperature indicating film device of the present application has the advantages of bright color, reusable, simple preparation method, can be customized according to the demand time-temperature indicating range, and is expected to be used as a new type of time-temperature indicating device.

This invention belongs to the field of food processing technology, specifically relating to a method for producing high-antioxidant-activity, low-oil, crispy whole-fruit water chestnut chips. Using whole water chestnut bulbs as raw material, this invention employs ultrasonic-ultra-micro pulverization synergistic cell wall breaking, high-voltage pulsed electric field assisted treatment, and vacuum low-temperature puffing to prepare a high-antioxidant-activity, low-oil, crispy whole-fruit water chestnut chip. This method eliminates the need for frying, utilizing a high-voltage pulsed electric field to inactivate enzymes and sterilize, combined with the instantaneous pressure difference during low-temperature vacuum puffing to fix the starch micropores, while retaining characteristic active substances such as polyphenols, flavonoids, and phellandrene. This results in chips with an oil content ≤8 g / 100g, a total phenol retention rate ≥85%, and a puchin content ≥0.18 mg·g⁻¹ DW. The chips are crispy, have a rich natural fruity aroma, and a long shelf life, providing a new solution for producing clean-label, zero-waste, high-nutrient-density snacks.

This invention relates to the field of emulsion gel preparation technology, specifically a method for preparing an emulsion gel for the elderly based on spirulina ultrafine powder and starch. The method includes the following steps: preparing spirulina ultrafine powder, starch, distilled water, and soybean oil; adding spirulina ultrafine powder and starch to distilled water and magnetically stirring to obtain a mixture; heating the mixture in a water bath while simultaneously stirring with a magnetic stirrer; and then cooling the heated solution to room temperature to obtain the spirulina ultrafine powder-starch mixture. This invention successfully solves the problems of spirulina ultrafine powder and starch alone failing to form high-strength gels, having large droplet sizes, and insufficient gel stability when used as emulsifiers, by utilizing the hydrogen bonds and van der Waals forces between spirulina ultrafine powder and starch. Furthermore, the prepared emulsion gel exhibits excellent storage stability and viscoelasticity, is safe for consumption, and the preparation process is novel, simple, and easily scalable for industrial production.

The invention relates to the technical field of ceramics, and particularly discloses a wear-resistant antique gold thread brocade glaze ceramic product and a preparation method thereof.According to the wear-resistant antique gold thread brocade glaze ceramic product, through the synergistic effect of multiple components in glaze, on the basis of maintaining the unique artistic texture of antique brocade glaze, the problem that a reinforcing phase in traditional brocade glaze is prone to falling off is solved, and the wear-resistant antique gold thread brocade glaze ceramic product is obtained. And the obtained product realizes effective unification of archaized art aesthetic appreciation and long service life, and is especially suitable for high-end furnishings and daily use occasions with higher requirements on surface durability.

The utility model discloses a dip dyeing device capable of dyeing fabric uniformly, and particularly relates to the technical field of fabric processing, the dip dyeing device comprises a heating box, four rotating rollers are rotatably mounted on the front wall and the right wall of the heating box together, a smoke generator is fixedly mounted on the heating box, and a high-pressure pump is fixedly mounted at the rear end of the heating box. Guide rollers are fixedly mounted at the front end and the rear end of the heating box, a steam device is fixedly mounted in the middle of the upper end of the heating box, and stirring devices are rotatably mounted on the front wall and the rear wall of the heating box. According to the dip dyeing device capable of uniformly dyeing the fabric, the designed steam device can generate high-temperature steam, the high-temperature steam is uniformly transmitted to the fabric through the steam outlet holes, the steam is liquefied to release a large amount of latent heat when being in contact with the fabric, heat can quickly and uniformly permeate into all parts of the fabric, and the fabric is uniformly dyed. The non-uniform dyeing depth caused by local temperature difference is avoided, so that the fabric is dyed more uniformly and the color is bright.

This invention relates to the field of glass manufacturing technology, specifically to black backplate glass, its preparation method, and LEDs. The black backplate glass comprises a main component and a colorant component. The main component, by mass percentage of oxides, includes: SiO2 65-70%, Al2O3 4-8%, Na2O 4-10%, K2O 0-3%, MgO 3-8%, ZrO2 0-5%, and CaO 6-15%. The colorant component is introduced externally in the form of a mass fraction, including Fe2O3 0-5%, NiO 0-1%, MnO2 0-0.5%, Co3O4 0-0.1%, Cr2O3 0-0.5%, and Fe3O4 0-25%; and Fe2O3, NiO, MnO2, Co3O4, Cr2O3, and Fe3O4 cannot all be 0. It features high flatness, high absorption opacity, low expansion, high thermal conductivity, and good chemical stability, meeting all the requirements for Micro LED backplane glass.

This invention discloses a school uniform fabric with moisture-wicking, quick-drying, antibacterial, and UV-protective functions, and its preparation method. The school uniform fabric is a weft-knitted plain weave fabric with a low-twist, high-proportion cotton blended yarn as the ground yarn and a high-twist, low-proportion cotton blended yarn as the face yarn. The reverse side of the low-twist, high-proportion cotton blended yarn, woven in loops, serves as a skin-friendly, moisture-wicking, antibacterial, and soft layer. The front side of the high-twist, low-proportion cotton blended yarn, woven in loops, serves as a quick-drying, UV-protective, and crisp layer. The low-twist, high-proportion cotton blended yarn is prepared by Siro compact spinning of cotton fibers, modified polyester antibacterial Supercool fibers, and modified polyester moisture-wicking, quick-drying Supercool fibers. The high-twist, low-proportion cotton blended yarn is prepared by Siro compact spinning of cotton fibers, modified polyester moisture-wicking, quick-drying Supercool fibers, and modified polyester UV-resistant Supercool fibers. The twist coefficient of the former is smaller than that of the latter, and the mass percentage content of cotton fibers in the former is greater than that in the latter.

The present application relates to a synthetic fiber dyeing method, a dyed fabric and application thereof, the dyeing method comprising: soaking and dyeing synthetic fibers in a vegetable dye dip dyeing solution to obtain dyed fibers; immersing the dyed fibers in silicone oil for heat treatment, then taking out, removing surface silicone oil, soaping, and drying. The present application solves the short board of long dyeing cycle and low production efficiency of traditional process, improves the large-scale production capacity; the obtained dyed product has bright color, and the color purity is better than that of traditional process, which improves the product appearance quality and market competitiveness; without adding extra chemical additives, not only the additive procurement cost and subsequent wastewater treatment energy consumption are reduced, but also the environmental pollution caused by chemical additives is avoided, which meets the demand of sustainable development; the process is simplified, the steps of additive preparation, addition and subsequent residual treatment are omitted, and the production complexity and energy consumption are reduced.

This application relates to the field of dye technology, and provides an environmentally friendly liquid dispersed turquoise blue dye and its preparation method. The preparation method includes: dividing a dispersant into two parts, adding the first part of the dispersant to the turquoise blue dye raw material, and performing a first stirring treatment and a heat preservation treatment sequentially to obtain a pre-dispersed slurry; mixing deionized water, the second part of the dispersant, a wetting agent, and a pH adjuster to obtain an hydration liquid, adding the hydration liquid to the pre-dispersed slurry for hydration treatment to obtain a dispersed turquoise blue slurry; mixing nanocellulose, deionized water, and tannic acid to obtain a premixed liquid, grinding the dispersed turquoise blue slurry and adding it to the premixed liquid, performing a second stirring treatment, and then adding a humectant, an antifoaming agent, and a preservative, and mixing to obtain the environmentally friendly liquid dispersed turquoise blue dye. This invention, by adding the dispersant in two parts, allows the dispersant to be adsorbed onto the surface of the turquoise blue dye particles, reducing particle agglomeration and improving the slurry refinement efficiency and particle size distribution uniformity.

The present application provides a kind of black direct dye and its preparation method and use.The black direct dye includes the compound shown in the following formula (I): Wherein, R1, R2, R3, R4, R5, R6 each independently is H, -SO3M or -NH2, R1, R2, R3, R4, R5, R6 are not simultaneously H;And, when R1 and R4 are -NH2, R2, R3, R5, R6 are not simultaneously H, when R3 and R5 are -NH2, R1, R2, R4, R6 are not simultaneously H;M is H or alkali metal element.The black direct dye of the present application is bright and brilliant, has good solubility, high color fastness, environmental protection (does not contain aniline), and excellent dyeing performance.In addition, the preparation method of the black direct dye of the present application has less wastewater, is friendly to the environment, and is conducive to realizing clean production.

This invention discloses a highly stable, high-brightness, fast-dissolving, dust-free natural blue composition granules, its preparation method, and its applications, belonging to the field of pigment extraction technology. This natural blue composition uses gardenia blue, butterfly pea flower extract, and phycocyanin extract as the ternary coloring components, compounded with buffers (phosphates) and antioxidants (vitamin C and tea polyphenols), and employs an embedding wall material (β-cyclodextrin and sodium caseinate) for emulsification and embedding. Finally, it is produced into composite granules through spray drying and dry granulation processes. The composition granules exhibit a bright and vibrant color, excellent light and heat resistance, rapid dissolution in water without dust generation, and are environmentally friendly. This invention also provides a method for preparing the composition granules and their application as a colorant in food, pharmaceuticals, and cosmetics, offering a safe, stable, and efficient comprehensive solution to replace petroleum-based synthetic blue pigments.

This utility model discloses a chicken and duck slaughtering device with duck blood recovery function, including a filter box, inside which is a recovery box. A partition plate is fixedly connected to the inside of the recovery box, and a motor is fixedly connected to the bottom inner wall of the recovery box. A splined shaft is fixedly connected to the output end of the motor, and the end of the splined shaft away from the motor passes through the partition plate. The collection trough of this utility model is installed on one side of the slaughtering line. Duck blood flowing out during the slaughtering process collects inside the collection trough and flows into the recovery box through a guide channel. As more duck blood is collected, an air bladder, through buoyancy, causes the collection basket to float, keeping the bottom of the collection basket always near the level of the duck blood. The motor, through the splined shaft, drives the splined sleeve, air bladder, and collection basket to rotate together, thereby cleaning the blood foam floating on the surface into the collection basket. This not only makes the duck blood brighter but also improves its taste and reduces its fishy smell.

The invention belongs to the technical field of intelligent toy generation, and relates to a multi-input-method automatic cartoon picture generation type intelligent body toy which inputs vocabularies through voice or a keyboard and is realized by a server, the intelligent body toy comprises a terminal and a remote server, the terminal interacts with the server through a network and is used for receiving voice or character input of a user, and the remote server is connected with the terminal. And displaying and playing the generated result. A semantic understanding module in the server analyzes input into a word meaning feature vector, a story generation module generates a structured story text based on the word meaning feature vector, a cartoon picture generation module creates a cartoon picture or animation through a generation model according to the word meaning feature vector or the story and synchronously generates a matching text and voice, and a return module sends a result to a terminal for presentation. And a cache index module is also arranged to reuse the historical generation result. The method supports double input of voice and text, can automatically and safely generate cartoon multimedia content matched with semantics, supports picture contour printing, and has the characteristics of friendly interaction, quick response and edutainment.