206results about How to "Excellent color development" patented technology

A white-light-emitting tandem OLED device having spaced anode and cathode including: first and second light-emitting units disposed between the anode and cathode; an intermediate connector including an n-type layer and a p-type layer disposed between the first and second light-emitting units; and a fluoranthene-containing electron-transporting layer adjacent to the n-type layer of the intermediate connector and including at least 25% of a 7,10-diaryl-substituted fluoranthene compound having no aromatic rings annulated to the fluoranthene nucleus.

The invention discloses bi-component polyester sheath core complex fiber and its producing method. The core is ultra complete extinction polyester with 5-10% titanium dioxide. The sheath is polyester with dye-ability cationic dyes. The method includes the following steps: putting the sheath and core respectively; distributing into assembly; mixing and extruding by nozzle plate; spinning. The invention uses cationic dyeable polyester to increase fabric dye-ability and color emissivity, titanium dioxide to improve fiber permeability resistance. The produced fiber which can be used to make swimming cloth has the advantages of good fabric performance, color emissivity, permeability resistance etc. The technology is simple and easy to operate.

The ink composition 60 is produced in such a way that the difference between dynamic surface tension(mN/m) and static surface tension(mN/m) determined at 24-26[deg.]C by maximum foam pressure method is 0-7(mN/m). The printing method comprises the following process. The ink composition 60 is reserved in the ink tank 50 of the ink head 1 and fed from the ink tank 50 into an ink chamber 40 with a jet nozzle 31, voltage is applied on a diaphragm section 12 formed of a piezoelectric material and pressure is applied on the ink composition 60 filled in the ink chamber 40 through the diaphragm section 12 to jet droplets of the ink composition 60 via the jet nozzle 31, and the droplets are put on a printing material to print images on the printing material.

The invention relates to a green composite additive for sauced beef, which is characterized in that the green composite additive is prepared by a composite curing agent and a composite spraying agent, wherein the composite curing agent contains 0.6 to 1.2 weight portions of celery powder, 0 to 0.4 weight portion of spinach powder, 0.08 to 0.15 weight portion of nitrate reducing bacteria and 0.08 to 0.015 weight portion of abnormal VC sodium; and the composite spraying agent contains 0.05 to 0.15 percent of tea polyphenol and 0.7 to 2 percent of sodium lactate aqueous solution. The composite additive is nutritious, healthy and widely applied, and not only can be applied to the sauced beef but also can be applied to meat products such as smoked sausages, smoked hams, fermented sausages, and so on. Moreover, the green composite additive accords with the requirements of consumers on safe and green foodstuffs, has larger realistic meaning in industrial production, provides a novel concept for production of the green meat products, and simultaneously creates good economic benefit for enterprises.

A solvent-free composition is prepared, which is a composition comprising a polyol component (A) and a polyisocyanate component (B), wherein the polyol component (A) is composed of a low-molecular-weight polyol (A1) with a molecular weight of 350 or less. The viscosity of the aforementioned low-molecular polyol (A1) may be 500 mPa·s or less at 25°C. The aforementioned low-molecular polyol (A1) may be, for example, C2-6 alkylene glycol or the like. In addition, the polyol component (A) may be composed of a low-molecular polyol (A1) and a polymer polyol (A2) as a diluent. The aforementioned polyisocyanate component (B) may be a modified product or a derivative of polyisocyanate (for example, a multimer of diisocyanate, etc.). The aforementioned solvent-free composition may further contain an epoxy group-containing compound (aliphatic diol glycidyl ether, aliphatic polyhydric alcohol glycidyl ether having a hydroxyl group, etc.) (C) that may have a hydroxyl group. Such a solvent-free composition has a small load on the environment, has excellent coating film properties, and has high application efficiency.

The invention discloses a method for preparing ceramic pigment titanium dioxide. An introduced purifying technology after ilmenite acidolysis comprises the following steps: 1) adding a certain amount of a polyacrylamide anionic surfactant in an acidolysis fluid suspension; 2) adding a certain amount of a polyacrylamide cationic surfactant and an inorganic salt flocculating agent; and 3) standing for 4-6 hours, extracting half part of clear liquid and conveying the half part of clear liquid to a filter press for solid-liquid separating, performing titanium liquid purification, and then introducing into a vacuum crystallization system for crystallization. A titanyl sulfate hydrolysis technology comprises the following steps: 1) adding seed crystal titanium liquid in liquid alkali to prepare seed crystal; 2) neutralizing the material and aging the material; and 3) adding preheated hydrolysis titanium liquid, heating the material to a boiling state for keeping for 3 hours, and stopping hydrolysis. The purifying technology after ilmenite acidolysis and titanyl sulfate hydrolysis technology are optimized and improved, impurity content in the product is low, product particle size is controlled in D50=2-2.5 [mu]m, and D90 is less than 5[mu]m.

The invention provides a vibration wear-resistant coating and a preparation method and a spraying process thereof. The vibration wear-resistant coating comprises PU type primer and UV photocurable finish coating. The PU type primer is prepared from 40-50 parts of thermoplastic acrylic resin, 10-20 parts of hydroxy acrylic resin, 1-3 parts of cellulose acetate butyrate, 1-2 parts of adhesion promoter, 2-4 parts of auxiliaries, 15-25 parts of pigment filler and 20-30 parts of mixed solvent; and the UV photocurable finish coating comprises the following components in parts by weight: 10-20 partsof high-functionality polyurethane acrylate, 15-25 parts of six-functionality polyurethane acrylate, 15-28 parts of four-functionality polyurethane acrylate, 4-10 parts of two-functionality polyurethane acrylate, 0.5-1 part of a dispersing agent, 0.5-1 part of a leveling agent, 0-10 parts of extinction powder, 0-25 parts of wax liquor, 0-10 parts of a photoinitiator and 20-30 parts of a mixed solvent. When the vibration wear-resistant coating is applied to a mobile phone (plastic material) frame or a mobile phone side key, the vibration wear resistance and durability of the product can be improved, and a coating film can be prevented from falling off after long-time use.

The fabric of twitty yarn capable of being dyed with cationic dye features that the fabric contains twitty yarn comprising PET fiber capable of being dyed with cationic dye and common PET fiber. The fabric has relatively lower dyeing temperature, excellent color emissivity and capacity of obtaining dark and light stripe effect. When the fabric is heterochrosis dyed with both cationic dye and one other dye capable of dyeing partial yarn, it will exhibit different colors in different directions. When it is dyed with only cationic dye, it will exhibit jean-like effect and have dispersed white dots.

The present invention provides a compound food coloring preservative and the making method. The compositions of the present invention based on weight ratio are: cooked cured-meat pigment 30-35 percent, nisin 1-1.5 percent, sodium dehydroacetate 10-15 percent, potassium sorbate 10-15 percent, D- gluconic acid-triangle-lactone 30-35 percent and ascorbic acid 10-15 percent. The present invention uses cooked cured-meat pigment, which is made by the reaction of hemoglobin and sodium nitrate, and a certain quantity of nisin, sodium dehydroacetate, sodium sorbate, D- gluconic acid-triangle-lactone and ascorbic acid to completely compound based on a certain ratio, and then the present invention shows a good effect of replacing sodium nitrite, which not only can make the meat products have good color, but also can extend the shelf life of products. The results show that the compound food coloring preservative has good functions of colorizing and bacteriostasis, can obviously restrain the growth of microorganism in the meat products, can reduce the residue of the nitrate, can extent the shelf life of the meat products, and can produce meat products in place of sodium nitrate.

The invention provides a preparation method of a styrene-acrylic emulsion with VOC lower than 100 ppm and a coating containing the emulsion. The VOC of the final emulsion coating can be controlled to be lower than 100 ppm. The emulsion has excellent color contrast properties, mechanical stability and water resistance, alkali resistance and scrubbing resistance of a paint film, and is suitable for being used as a building coating emulsion.

The invention relates to the ink technical field, and in particular relates to water-based narrow coated paper flexible printing ink and a method for preparing the same. The water-based narrow coated paper flexible printing ink comprises the following raw materials in parts weight: 30-45 parts of self-crosslinking water-based acrylic emulsion, 20-28 parts of modified water-based acrylic resin, 15-20 parts of yellow pigment powder, 1-3 parts of pigment dispersant, 0.2-0.8 parts of organic silicon defoamer, 1-4 parts of nonionic organic surfactant, 2-6 parts of dodecanol ester, 3-8 parts of PH stabilizer, 3-5 parts of anionic surfactant and 5-10 parts of water. The water-based narrow coated paper flexible printing ink provided by the invention is environment-friendly and non-toxic, good in use security, stable in performance and good in printing adaptability to coated paper, and has excellent color rendering property, good glossiness and good product quality.

The invention relates to the technical field of preparation of ceramic glazed bricks, and provides a wear-resistant antifouling ceramic starlight glazed brick and a preparation method thereof. The glittering effect is achieved through multiple reflection, dispersion and refraction methods of crystals in the glaze, a glaze layer of the glazed brick has the multi-layer glittering effect and the three-dimensional decoration effect, and the grade and decoration of the product are improved; and an excellent flashing effect can be achieved only by polishing according to a conventional polishing process of a glazed product. The glazed brick disclosed by the invention has relatively high hardness and excellent antifouling property and wear resistance.

A fundus camera includes an illumination unit which includes an optical element configured to irradiate an eye fundus with visible light from a position conjugate with an anterior eye portion of an eye to be examined, and an imaging unit configured to take an image of the eye fundus with light which is emitted from the illumination unit and reflected from the eye fundus, wherein the illumination unit includes a blue LED chip and a fluorescent member that is excited by light emitted from the blue LED chip and emits fluorescence, and the fluorescent member is irradiated again with apart of the light reflected by the optical element.

The invention discloses an interpenetrating polymer network core-shell emulsion and a preparation method thereof. The core-shell emulsion is prepared from a monomer, emulsifiers, an initiator, a PH regulating agent and water. The core-shell emulsion is characterized in that the monomer consists of a functional monomer and a mixed monomer, wherein the mixed monomer consists of a vinyl monomer and butyl acrylate, and the functional monomer consists of diacetone acrylamide, adipic dihydrazide, divinyl benzene and a reactive type silicon monomer; the emulsifiers refer to a nonylphenol-free reactive type emulsifier SR-10, a fatty phosphoric acid ester emulsifier and an exclusive non-ion reactive type emulsifier; the initiator refers to sodium persulfate; the PH regulating agent refers to sodium hydrogen carbonate; water refers to deionized water. The preparation method comprises the following steps: (1) in a raw material ratio, preparing a monomer mixed liquid for later use, preparing deionized water and an initiator and stirring to form an initiator mixed liquid for later use; and (2) polymerizing the emulsion. The core-shell emulsion and the method have the beneficial effects of being environmental-friendly and safe, the technology is simple, the scrubbing-resisting capability and the pigment filler bearing capability are strong and the stability of electrolyte and freeze thawing is high.

An ink jet textile printing ink composition according to the invention contains Li⁺, Na⁺, and a compound represented by the following formula (1):

The invention provides a ground glaze suitable for quick firing of a glazed tile. The ground glaze comprises the following components by mass percentage: 27-35% of potash feldspar, 8-14% of albite, 1-4% of calcined talc, 2.5-4.8% of a medium temperature frit, 0.5-2.2% of a high expansion frit, 20-35% of quartz, 10-14% of kaolin, and 7-15% of calcined alumina. In addition, the invention also provides a glazed tile containing the ground glaze. According to the formula design of the ground glaze provided by the invention, the dosages of the quartz and calcined alumina are increased simultaneously, firstly the color development effect and firing temperature of the formula are improved, and then the method of adding the medium temperature frit is adopted to realize the purpose of formula cooling, thus not only broadening the firing range of the glazed tile, meeting the requirement of quick firing, but also reaching a good color development effect.

The present invention discloses a scratch-resistant thermal-sensitive paper manufacturing method, which comprises: a) preparing a pre-coating layer coating liquid: b) preparing an agent A; c) preparing an agent B; d) preparing an agent C; e) preparing an agent D; f) preparing a thermal-sensitive color generating layer coating liquid; g) preparing a top coating layer coating liquid; and h) coating. According to the present invention, the polyolefin dispersion with characteristics of excellent flexibility and excellent impact resistance is developed and utilized in the top coating layer so as to obtain the excellent scratch resistance; the multiple core-shell structure self-crosslinked acrylate and methacrylate copolymer ultrafine dispersions are developed and utilized in the top coating layer formula, such that the excellent wet friction resistance can be obtained after the coating layer is dried; and with the optimization, the colorless dye, the coloring agent and the sensitizer used by the color generating layer are selected to match and are subjected to optimization with the optimal ratio, such that the paper achieves good coloring performance, good storage performance, and a certain protection performance.

The invention discloses a high black vehicle performance polyurethane resin used for leather, and a preparation method thereof. The high black vehicle performance polyurethane resin used for leather is composed of 1 to 30% of auxiliary high black vehicle performance resin and the balance main body polyurethane resin; the main body polyurethane resin is mainly prepared from an isocyanate, a polyol,a chain extender, a solvent, an end-capping reagent, and an auxiliary agent; the auxiliary high black vehicle performance resin is prepared from, by weight, 10 to 50 parts of the polyol of the main body resin, 3 to 15 parts of a polyether polyol, 40 to 90 parts of an aromatic polyester polyol, 30 to 130 parts of a diisocyanate, 5 to 40 parts of diethanolamine, 0 to 30 parts of a chain extender, 0.01 to 0.05 part of a catalyst, 0.1 to 1 part of an end-capping reagent, and 150 to 450 parts of N, N-dimethyl formamide. The high black vehicle performance polyurethane resin is excellent in black vehicle performance, the wear resistance is improved greatly, and the high black vehicle performance polyurethane resin is suitable to be taken as a wet method solvent type polyurethane resin used for leather.

The invention discloses a method for preparing ferrozirconium red stain, which is characterized by comprising the following steps in turn: (1) liquid-phase reaction, which is to perform liquid-phase reaction on zirconium oxychloride, ferrous sulfate and sodium metasilicate pentahydrate in water; (2) separation and drying, which is to separate and dry solid-liquid suspended substances generated by liquid-phase reaction; (3) precalcination, which is to crush dried substances and calcine the crushed substance for 2 to 3 hours at a temperature of between 750 and 850 DEG C; (4) mixing, which is to mix products of precalcination uniformly with lithium fluoride, sodium fluorosilicate and sodium fluoride; (5) calcination, which is to calcine the mixture in the four step for 2 to 5 hours at a temperature of between 900 and 1,000 DEG C; and (6) post processing, which is to treat sintered solid substances by grinding, acid washing, water scrubbing, drying and sieving. The method for combination of liquid-phase reaction and solid-phase reaction improves the encapsulation rate of high-temperature solid-phase reaction, and synthesizes ferrozirconium red stain products which have beautiful chromogenic colors and strong chromogenic force and are stable at high temperature.