48results about How to "Fix color problems" patented technology

The process of preparing nanometer noble metal solution is one chemical reduction process to reduce Cu, Ag or Au ion stabilized with different dispersant into nanometer Cu, Ag or Au particle while adding various kinds of protecting agent to inhibit the agglutination of nanometer particle. The process can prepare superfine nanometer noble metal solution of average granularity smaller than 5 nm and with high stability and greatly raised tolerance to acid, alkali, oxygen, light and heat, and the superfine nanometer noble metal solution has altered physical characteristic and expanded application range.

The invention relates to a dental prosthesis of zirconia material with tetragonal nanometer-sized ZrO2-CaO powder and much added amount of alumina. Said invention also relates to tooth body and false tooth prepared by said above tetragonal nanometer-sized ZrO2-CaO powder and zirconia material for prosthesis, so that making color transparency L*=64-81,colority a*=-1.04- 5.63 and b*=6.95-21.88,thus natural color.

The invention relates to a wear-resistant high-impact-resistance nylon composite material which comprises the following components in parts by weight: 20-80 parts of nylon resin, 10-50 parts of fiber material, 10-40 parts of anti-wear agents, 0.1-2 parts of surface treating agent perfluoropolyether, 0.1-1.0 part of lubricant and 0.1-0.6 part of antioxidant. The preparation method comprises the following steps: uniformly mixing different types of anti-wear agents at medium speed; heating to 90-100 DEG C, adding the perfluoropolyether, and uniformly mixing at high speed; adding the nylon resin, lubricant and antioxidant, and continuing mixing uniformly; and carrying out melt blending extrusion, drawing, cooling, and granulation on the obtained mixture and fiber material through a double screw extruder, thereby obtaining the wear-resistant high-impact-resistance nylon composite material. The wear-resistant high-impact-resistance nylon composite material has the advantages of low friction factor, favorable wear resistance, high mechanical strength, favorable heat resistance, excellent toughness, excellent impact resistance, low mold shrinkage rate, favorable dimensional stability, favorable flowability and high processability.

The invention discloses an illumination control method and system. The method comprises the steps of acquiring the illumination parameters of a target point under ambient light, acquiring a set color value of the target point, obtaining the target control parameters of a lamp based on the illumination parameters of the target point under ambient light and the set color value, and controlling the lamp to emit light towards the target according to the target control parameters. By the adoption of the illumination control method and system, the problem that the color which the target appears to be is different from the set color under the condition of ambient light is solved, and the effect that the color of the target is kept to be the set color is realized.

The invention discloses a building block for training the children's line image recognition ability, a system and a method, and relates to the field of children building blocks. The building block comprises building block units; each building block unit comprises tempered glass, an LED lamp board, a substrate and a shell cover; each side of the shell cover is provided with at least two protrudingcolumns or blind holes corresponding to the protruding columns; different building block units are mutually engaged with each other through protruding columns or blind holes to form a building block assembly; the system of the present invention comprises a signal input system of the building block assembly and a control system for the building block units; and the signal input system of the building block assembly includes a control computer, a data distribution device and an RGB matrix switcher. The invention designs a line and image display device in the building block unit, performs controlling with the control device in the building block, pre-stores lines and patterns for the building block assembly composed of a plurality of building block units, and then splits the building block assembly for independent display, thereby enriching the color and pattern of the surface of the building block and the arrangement and combination mode of the building block.

The invention relates to a coating capable of reflecting and insulating optical heat, which belongs to the technical field of building coatings. A reflective heat-insulating coating comprises a reflective coating and modifying floating beads, wherein the modifying floating beads are uniformly dispersed in the reflective coating. According to the reflective heat-insulating coating disclosed by the invention, from economic considerations, flyash floating beads are used for replacing ceramic hollow floating beads, and good technical effects are obtained; the price of the flyash floating beads is far lower than that of the ceramic hollow floating beads; although the flyash floating beads are high in heat-insulating capacity, the colour of the flyash floating beads is not white enough and the optical heat reflecting performance of the coating is influenced, and a titanium dioxide spray-coating process is used, thus the colour problem of the floating beads is solved; and moreover, the adhesive force of the floating beads on a wall surface is far greater than that of the ceramic hollow floating beads, thus technical effects are achieved. The reflective coating disclosed by the invention can be used independently or by being matched with the modifying floating beads thereof, and has an effect of reflecting optical heat in case of being used independently and has an effect of reflective heat insulating in case of being matched with the modifying floating beads for use.

The invention belongs to the field of building materials, and relates to environmental protection paint for a building exterior wall. The environmental protection paint comprises the following components in part by weight: 10-15 parts of water, 40-50 parts of hand feeling filler, 15-20 parts of quartz sand, 8-13 parts of silicon substrate active glue, 6-9 parts of putty, 12-18 parts of diphenyl guanidine, 2-5 parts of hydroxyethylmethylcellulose, 2-4 parts of zinc stearate, 1-3 parts of organic zirconium complex, 3-5 parts of dimethylaniline, 4-7 parts of tetramethylolmethane, 3-6 parts of modified floating bead, and 1-3 parts of texture particle; putty is composed of A and B components according to the mass ratio of 50: 1-5, wherein A component includes 10-15 parts of polymer powder, 1-3 parts of polycarboxylic ammonium salt, 3-5 parts of silicone acrylic emulsion, 20-30 parts of heavy coarse whiting, 3-10 parts of talcum powder, 10-15 parts of lightweight clay brick, 5-10 parts of perlite, 3-6 parts of high-alumina cement, 4-6 parts of dispersible latex powder, 10-15 parts of composite suspension liquid formed by aluminum oxide sol and silicon dioxide soil according to the mass ratio of 1: 1; B component is 15-20 wt% of acrylic emulsion. The environmental protection paint is excellent in water-retaining property, high in caking property, good in alkali resistance, and safe and environment-friendly.

The invention refers to the non-chlorine bleaching to rice husks and other waste such as straw, cob etc. The invention doesní»t use chlorine-containing bleacher in the bleaching period, but uses peroxide or sodium peroxide, in a fixed pH value and temperature range, with some chelator, buffering agent, and stabilizer, carries on the bleach, it can decrease the contamination. The product can be used for producing the once-and-for-all decomposable plate, dinner service.

The invention relates to coating materials for reflecting and insulating light and heat, particularly relates to a reflective coating material and a preparation method thereof and belongs to the technical field of architectural coatings. A heat reflecting and insulating coating material comprises the reflective coating material and modified floating beads, wherein the modified floating beads are uniformly dispersed into the reflective coating material. According to the reflective coating material and the preparation method thereof, from economic considerations, ceramic hollow microbeads are replaced with flyash floating beads, then, a good technical effect is obtained; the price of the flyash floating beads is far lower than that of the ceramic hollow microbeads, and although the heat insulating capability of the flyash floating beads is strong, the color of the flyash floating beads is not white enough, thus, the light and heat reflecting properties of the coating material are affected; the color problem of the floating beads is solved by adopting a titanium white spraying process, and the wall adhesion of the floating beads is far greater than that of the ceramic hollow microbeads, so that the floating beads have technical advantages; the reflective coating material disclosed by the invention can be used separately, can also be used in a manner of being matched with the modified floating beads, has a light and heat reflecting effect during separate use and has a heat reflecting and insulating effect during matched use.

The invention provides a friction improver which is the compound represented by the formula (1).The invention also provides a preparation method of the friction improver, which comprises the following steps of: reacting fatty glyceride with phosphorus pentasulfide to obtain a sulfur phosphoric acid product; and reacting the sulfur phosphoric acid product with zinc oxide and/or zinc hydroxide. The invention also provides a lubricating oil composition containing the friction improver. The color of the friction improver is similar to that of the original vegetable oil, thereby solving the problem in color of T405, and the tribological feature of the friction improver is not inferior to or partially superior to that of T405.The friction improver also solves the problem that T405 can not be compounded with ZDDP, thereby widening the application range.

The invention relates to coating materials for reflecting and insulating light and heat, particularly relates to floating beads and a method for preparing modified floating beads and belongs to the technical field of architectural coatings. A reflective and insulating coating material comprises a reflective coating material and the modified floating beads, wherein the modified floating beads are uniformly dispersed into the reflective coating material. According to the floating beads and the method for preparing the modified floating beads, from economic considerations, ceramic hollow microbeads are replaced with flyash floating beads, then, a good technical effect is obtained; the price of the flyash floating beads is far lower than that of the ceramic hollow microbeads, and although the heat insulating capability of the flyash floating beads is strong, the color of the flyash floating beads is not white enough, thus, the light and heat reflecting properties of the coating material are affected; the color problem of the floating beads is solved by adopting a titanium white spraying process, and the wall adhesion of the floating beads is far greater than that of the ceramic hollow microbeads, so that the floating beads have technical advantages; the reflective coating material can be used separately, can also be used in a manner of being matched with the modified floating beads, has a light and heat reflecting effect during separate use and has a heat reflecting and insulating effect during matched use.

The invention discloses easily-cleaning bright quenching oil special for a bearing and a preparing method of the easily-cleaning bright quenching oil and belongs to the technical field of metal heat treatment. According to the formula, the quenching oil includes 0.2-0.4 part of a dispersing agent, and the dispersing agent is a mixture of liquid paraffin and lauryl sodium sulfate. The dispersing agent comprises, by mass, 33-40 parts of refined base oil, 4-7 parts of cooling agents, 0.2-0.5 part of a brightening agent, 0.02-0.04 part of an antioxidant and 0.3-0.7 part of a surface active agent.The refined base oil, the surface active agent and the antioxidant are evenly mixed, then, the brightening agent and a dispersing agent are added at the same time, stirring is even, finally, the catalysts are added in the manner that adding is conducted while stirring is conducted, stirring is conducted till the uniform state is reached, then the mixture is subjected to standing to reach the roomtemperature, and quenching oil is obtained. By means of the easily-cleaning bright quenching oil special for the bearing and the preparing method of the easily-cleaning bright quenching oil, the brightening agent and the dispersing agent are cooperatively used, and the color problem in the whole workpiece heat treatment process can be effectively solved.

The invention provides a copper master batch and a preparing method thereof. The copper master batch is prepared from, by mass, 75%-96% of PET and 4%-25% of modified nano-copper. The preparing method includes the following steps that the modified nano-copper and the PET are mixed, and a mixed solution is formed; the nano-copper is evenly distributed in a PET base material; the mixed solution obtained in the step S1 is subjected to vacuum reaction prilling, and the copper master batch is obtained. According to the copper master batch and the preparing method thereof, copper with the nanometer particle size and the PET base material are fully and evenly subjected to mixing granulation, the problems that reaction prilling is high in pollution and energy consumption, low in purity and unstable in PH value are solved, the nanometer activity of the copper is fully reserved, and the copper master batch and the preparing method thereof are environmentally friendly, free of pollution and low in energy consumption.

The invention belongs to the field of building materials and relates to a building external wall environmental protection coating. The building external wall environmental protection coating is combined by the following raw materials of, by weight, 10-15 parts of water, 40-50 parts of hand feeling padding, 15-20 parts of quartz sand, 8-13 parts of silicon-based activity glue, 6-9 parts of putty, 12-18 parts of diphenyl guanidine, 2-4 parts of zinc stearate, 1-3 parts of organic zirconium complex, 3-5 parts of dimethyl aniline, 4-7 parts of pentaerythritol and 3-6 parts of modified floating beads; the hand feeling padding is a mixture of polyurethane wool powder and elastic powder and acrylic wool powder and elastic powder; the modified floating bead preparation comprises the steps that pulverized fuel ash floating beads are fed in an efficient powder mixing machine with a spray head, a pre-prepared modified floating bead special sizing agent is sprayed quantitatively when stirring is performed at common temperature, the stirring continues for 20-30 min after the sizing agent is sprayed out, the mixture is discharged and baked at the temperature ranging from 95 DEG C to 105 DEG C, the baking temperature is controlled to range from 80 DEG C to 95 DEG C, the time is controlled to be 10-15 min, cooling is performed, and the screening grading is performed. The building external wall environmental protection coating has the advantages of being excellent in water water-retaining property, high in cohesiveness, good in alkali resistance, safe and capable of achieving environmental protection.

The present invention discloses preparation process of Mycopenolate mofetil. The preparation process includes the following steps: dissolving mycopenolic acid in tetrahydrofuran inside a reactor with reflux cooler through stirring; adding morpholine, alcohol and catalyst magnesia and/or zinc oxide; heating and refluxing; filtering to eliminate catalyst and decompression evaporating to eliminate organic solvent and obtain crude Mycopenolate mofetil product. The preparation process is simple, and has low reaction temperature, less produced impurity, conversion rate as high as 85 % and product purity not lower than 99.7 %, and easy industrial application.

The invention relates to a preparation method of high-purity fluorescein sodium. The preparation method comprises the following steps of: acetylating by using crude fluorescein sodium as the raw material and acetic anhydride as an acetylation reagent; recrystallizing the acetylated fluorescein; hydrolyzing; and salifying to obtain high-purity fluorescein sodium. In the preparation process of the obtained fluorescein sodium, the acetylation solvent is mild and can finish a reaction in a relatively short time without adding a catalyst so that the reaction cost is lower and the obtained product is safer.

The invention discloses a method for separating and preparing cosmetic-grade pueraria isoflavone from pueraria raw materials by using a solvent-resistant nanofiltration membrane, which comprises the following preparation steps: (1) extracting total isoflavone from pueraria raw materials to obtain a pueraria isoflavone crude product; (2) enriching the total isoflavone by a macroporous adsorption resin column; (3) performing dialysis separation by a solvent-resistant nanofiltration membrane, recovering ethanol, performing concentration, and finally performing freeze drying to obtain a pueraria isoflavone highly finished product with high content and high dissolvability. The method of the invention successfully solves a series of problems, which restrict the application in the cosmetic field, of dark brown color, poor dissolvability at normal temperature, organic solvent residue, and the like for pueraria isoflavone products produced by traditional technology, and the method has great economic value and social benefit.