35results about How to "Hue stability" patented technology

The invention discloses a production method of a fine-denier porous POY black yarn. The method comprises the following steps of: drying semi-dull slices, drying black masterbatch, adding the slices and the black masterbatch material into a screw extruder, fusing the added materials in the screw extruder, respectively processing the fused materials in a metering pump and a spinning beam, spinning on a pack, cooling the materials by lateral blowing, applying oil on strands, processing the strands in draw-off godets GR1 and GR2, winding and shaping, and inspecting products. The method is characterized in that the step of drying the black masterbatch comprises the following sub-steps of: based on a continuous drying mode, firstly, adding the black masterbatch into a crystallization and drying tank, introducing heated dry air from the lower part of the crystallization and drying tank, and blowing out the heated dry air from the top of the crystallization and drying tank so as to dry the black masterbatch, wherein the drying time is 2 hours, the dried black masterbatch falls into an intermediate material storage bin for storage under the crystallization and drying tank, and the black masterbatch is further injected by a masterbatch injector under the intermediate material storage bin. The production method of the fine-denier porous POY black yarn has high masterbatch spinnability and better cooling effect, and can improve the oil application uniformity of spinning cakes and the productivity.

The invention discloses a preparation method of a polyester film for coating a tag. Functional coating is performed on the surface of the polyester film to increase the adhesive force of the surface of the film, and the problem of corona attenuation of a common corona film can be effectively prevented, so that convenience is brought for downstream manufacturers to carry out UV ink printing, conductive ink printing and barcode printing. Tag films are mainly white, customers demand much on the hue, high-temperature resistance, no deformation and high tensile strength are required during later processing, and meanwhile, the ink adhesive force has to be guaranteed for the customers. Therefore, the polyester film for coating the tag has the main technical characteristics of stable hue, high-temperature resistance and high strength and ink adhesive force.

The invention provides a preparation method of gold imitated card paper. According to the preparation method provided by the invention, gravure printing is adopted for transferring gold imitated gravure ink composition onto the surface of a silver card paper, and drying and curing are carried out, so that the gold imitated card paper is obtained. When the gold imitated card paper is taken as a printing stock during printing, the gold imitated card paper is not influenced by a printing process, hue of the gold imitated card paper is consistent with the hue of standard sample manuscript gold card paper, stable hue of the gold imitated card paper can be guaranteed, and a printing technology of the gold imitated card paper is simple. The invention also provides a bar code printing method. According to the bar code printing method provided by the invention, the gold imitated gravure ink composition is printed on the surface of the sliver card paper except a region in which a bar code is required to be printed, so that the region in which the bar code is required to be printed can not contain the gold imitated gravure ink composition and is in the colour of the silver card paper; and white gravure ink is overprinted in the region in which the bar code is required to be printed, and sign contrast between black bars is increased, so that the grade standard of the bar code is met.

The invention relates to a colorful oily fertilizer anticaking agent and an application thereof. The colorful oily fertilizer anticaking agent comprises components in percentage by mass as follows: 1%-3% of allura red aluminum lake, sunset yellow aluminum lake, indigo blue aluminum lake, fast green aluminum lake, purple aluminum lake, chocolate brown aluminum lake or brilliant black aluminum lake and 97%-99% of an oily anticaking agent, the components are milled by a horizontal milling machine and are mixed uniformly, and the colorful oily fertilizer anticaking agent is prepared; the colorful oily fertilizer anticaking agent is applied to fertilizer packaging, and accordingly, the fertilizer appearance color is corresponding red, yellow, blue, green, purple, brown or black. The colorful oily fertilizer anticaking agent and the application thereof have the advantages that the corresponding red, yellow, blue, green, purple, brown or black oily fertilizer anticaking agent is provided according to different colors of the fertilizer appearance, so that the fertilizer hue is stable, the packaging capacity is high, inner and outer colors are consistent, chromatic aberration and uneven dyeing are avoided, the color is uniform, and besides, the colorful oily fertilizer anticaking agent can be resistant to light and heat, is fadeless and non-discoloring and is taken as a fertilizer variety distinguishing and fertilizer anti-counterfeiting mark; the method is simple, the use cost is low, the anticaking performance is good, when the fertilizer is coated with the agent, the fertilizer loosening rate is up to or higher than 90%, biodegradation can be realized, and environmental protection is facilitated.

The present invention relates to a display device (1A) including a plurality of display elements (10A) formed on a substrate (2A). Each of the display elements (10A) includes an organic segment (4A) containing an organic compound which generates light upon application of an electric field, and a first and a second electrode elements (3A, 5A) for applying the electric field to the organic segment (4A). The first electrode segment (3A), the organic segment (4A) and the second electrode segment (4A) are formed on the substrate (2A). In this case, the second electrode segment (5A) is provided with an opening (52A) for allowing passage of light generated in the organic segment (4A). The first and second electrode segments may be formed adjacent to each other in a plane parallel to the substrate. In this case, the organic segment is formed so as to cover both the first and second electrode elements.

The invention relates to a yellow near-infrared high reflective coating and a preparation method of the yellow near-infrared high reflective coating. The yellow near-infrared high reflective coating comprises the following components in percentage by weight: 20 to 50% of yellow near-infrared reflective pigments, 10 to 50% of a film-forming matter, 30 to 60% of a solvent and 4 to 30% of an additive. The film-forming matter is organic silicon resin, and the solvent is water or C1-C4 alcohol. The invention further provides the preparation method of the yellow near-infrared high reflective coating. The yellow near-infrared high reflective coating is high in reflectivity, bright in yellow chrominance and good in mechanical properties, and applied to outer surfaces of building exterior facades and top layers or oil storage tanks, vehicles and aircraft shells and ship decks to obviously lower temperature inside a coating material.

This invention relates to elasticity styrene - acrylate waterproof latices and its preparation method. It is polymerized by nine kind component and seed emulsion. The preparation method includes as follows steps: whip, vacuumize, whip, polymerization, thermal insulation, cooling, thermal insulation, cooling, filter, casing. This invention has low cost, stable color phase, moderate consistency, good acid and alkaline protection, and lower vitrification point. It can effectively eliminate liberation monomer, avoid enviroment pollution. This invention especially fit for cement group polymer waterproof, waterproofing work as well as impervious seal stuff.

The directly blending rose dye in the shown chemical structure is prepared through the technological process including the first condensation reaction, aniline diazoniation, coupling reaction, the second condensation reaction and the third condensation reaction. The directly blending rose dye contains no carcinogenic chemical, and may be used in dyeing cellulose, polyester/cotton blended fiber, and polyester/viscose blended fiber. It has the advantages of reduced dyeing steps, shortened dyeing time, reduced dyeing waste water exhaust, lowered dyeing power consumption, lowered dyeing cost, increased dyeing yield.

The invention discloses an aqueous bronze pigment and a preparation method thereof. The aqueous bronze pigment is prepared from following raw materials in percentage by weight: 55 to 80% of bronze slurry, 0.1 to 1% of corrosion inhibitor, 15 to 30% of organic coating material, 1 to 5% of dispersant, and 1 to 10% of disintegrating agent; wherein the bronze slurry is prepared by adding bronze powderinto a solvent (20-30%). The problems of a conventional bronze powder surface treatment are solved. The provided aqueous bronze pigment has the advantages of complete and firm coating, stable color phase, and economic and environmentally friendly process in an aqueous system.

The invention discloses a black green flame-retardant shoe edge rubber for forest fire protection shoes. According to the invention, natural rubber and chloroprene rubber are used as the main materials, reinforcing filler and a softener are added to guarantee the physical properties of the rubber material, and the service life of a rubber sole is ensured, so that the shoe edge rubber has forest green coordination, and efficient flame retardants decabromodiphenyl oxide, chlorinated paraffin and zinc borate are adopted as a flame retardant system together to provide excellent flame retardance tothe product; the shoe edge rubber can generate a carbon layer during combustion, can achieve rapid flame retarding and no liquid drop transfer of fire, overcomes the defect of great flammability of conventional NR rubber compounds, has flame-retardant level up to the UL94V-0 level, and meets the self-extinguishing requirement in vertical combustion test. The shoe edge rubber provided by the invention has the characteristics of simple method, low cost and good use effect.

The invention relates to an electric-insulation epoxy resin castable for an outdoor mutual inductor. The epoxy resin castable comprises the following materials by weight percent: 21-26% of resin, 45-55% of filling, 15-25% of a curing agent and 2-6% of other auxiliary agents, wherein the resin is formed by mixing organic silicon modified epoxy resin, phenolic aldehyde epoxy resin, brominated epoxy resin and bisphenol F-type epoxy resin; the filling is silane-processed silica powder; the curing agent is modified methylhexahydrophthalic anhydride; the other auxiliary agents include a curing catalyst, a plasticizer, a reactive diluent, a silane coupling agent, a coloring agent and an antioxidant. The electric-insulation epoxy resin castable has excellent physical and chemical properties and has the performance of heat resistance, low temperature resistance, ultraviolet irradiation resistance, ageing resistance and the like. The electric-insulation epoxy resin castable is applicable to the electric insulation of the outdoor mutual inductor and other electrical equipment.

An image forming apparatus includes photoconductor drums, a plurality of development apparatuses, temperature-humidity sensors that detects at least temperatures or humidity of the development apparatuses, image density adjusting units that adjusts an image density of the toner image, and a control unit that adjusts the image density of the toner image by the image density adjusting units based on detection results of the temperature-humidity sensors. The control unit controls the adjusting unit based on information about color differences of detection values of the temperature-humidity sensors so that the adjusting unit adjusts an image density of the toner image or not.

The invention provides a manufacturing process of a high-brightness black product. The manufacturing process comprises the following steps: extruding PMMA (Polymethyl Methacrylate) to obtain a PMMA sheet, and extruding ABS (Acrylonitrile Butadiene Styrene) to obtain an ABS sheet; heating the PMMA sheet and the ABS sheet until the PMMA sheet and the ABS sheet are fully softened, wherein the heating temperature is 115-125 DEG C; co-extruding the PMMA sheet and the ABS sheet to prepare a composite membrane; carrying out gradient cooling on the composite membrane to normal temperature, wherein the adjacent gradient temperature difference is less than or equal to 20 DEG C; cutting the composite membrane into a flat membrane; the flat membrane is made into a formed membrane; and putting the formed film into an injection mold for injection molding to form a high-black-and-bright product. According to the manufacturing process of the high-brightness black product, the composite membrane is prefabricated, and injection molding is directly carried out on the composite membrane, so that the hue of the high-brightness black product is stable, the consistency of a mass production stage and a small sample plate stage is good, and the development and debugging period is shortened.