41results about How to "Increase color variety" patented technology

The invention provides a nylon powder material for selective laser sintering and a preparation method of the nylon power material. The nylon powder material is prepared from, by weight, 50-80 parts of nylon powder, 1-20 parts of resin coloring agents, 0.05-2 parts of dispersing agents, 0.1-1.5 part of surface modification agents, 0.5-2 parts of antioxidants and 0.1-1.5 parts of light stabilizers. The nylon powder material for selective laser sintering is colored. The colored nylon powder material can directly form 3D printed products uniform in luster and different in color through the SLS technology under the condition that the printed products do not need to be post-processed, and different requirements of clients in various fields for product colors can be met.

The invention discloses environment-friendly water-based acrylic acid modified alkyd protective paint used for spraying mechanical equipment, and a preparation method of the protective paint. The environment-friendly water-based acrylic acid modified alkyd protective paint used for spraying the mechanical equipment comprises the following components in parts by weight: 10-12 parts of water-based alkyd resin, 40-47 parts of acrylic emulsion,20-25 parts of water, 1.8-2.4 parts of a pH (potential of hydrogen) regulator, 0.3-0.6 parts of a dispersant, 0.1-0.15 parts of a defoaming agent, 4.0-5.0 parts of rutile titanium dioxide, 0.4-0.5 parts of carbon black, 5-8 parts of compound zinc phosphate, triphosphoric acid, barium sulfate, talcum powder, iron-titanium compound powder, an anti-settling agent, a film forming assistant, a flash-rust preventive, a base material wetting agent and a thickening agent. The protective paint has excellent chemical properties such as corrosion resistance and water resistance, and is high in drying rate, excellent in low-temperature film forming effect, high in plumpness and good in weather resistance.

The invention provides a preparation method for a three-dimensional pattern coating, the three-dimensional pattern coating, a lamp accessory and a lamp. The preparation method comprises the followingsteps: carrying out pretreatment on a substrate; coating the substrate with a thermosetting acrylic resin-based primer with a first thickness, wherein the first thickness is in a range of 9-12 micrometers; drying the primer at a first specified temperature; coating the dried primer with thermosetting acrylic resin-based transparent finish paint with a second thickness which contains a cracking agent, wherein the second thickness is in a range of 10-13 micrometers; and drying the finish paint at a second specified temperature to obtain the three-dimensional pattern coating on the substrate. Thedifference of the shrinkage rates of the priming paint with specific thickness and the finishing paint with specific thickness is utilized, a cracking agent is used for assistance, so that the finishing paint is cracked to form the texture similar to ice patterns, and the three-dimensional pattern coating is obtained. The coating is unique in pattern and has a three-dimensional effect. In addition, the preparation method is simple in process and wide in application range.

The invention discloses a technological method of preparation of a low-temperature curing heavy-duty epoxy powder coating, and the technological method comprises the following steps: A, pulverizing epoxy resin into a fine-particle powder by using a pulverizing apparatus, and then adding other auxiliaries; B, mixing the epoxy resin powder and the auxiliaries, and performing uniform stirring; C, putting the uniformly-stirred mixture in a heating and pressurizing apparatus with the temperature of 100-103 DEG C, and performing heating and pressurizing, so as to obtain a semi-finished product, wherein the time of the heating and pressurizing process is not less than 20 minutes, and the obtained semi-finished product is flaky; D, pulverizing the flaky semi-finished product obtained in the step C, and then adding a polypropylene filler with the weight ratio of 2-3% and a pigment with the weight ratio of 3-5% after pulverization; E, stirring the mixture obtained in the step D and sieving the mixture with a sieve; and F, checking the sieved epoxy-powder coating, and performing packaging. The technological method enriches the application fields of the epoxy powder coating, saves the processes of the later-stage use of the epoxy powder coating, and guarantees relatively good application performance of the epoxy powder coating.

The invention discloses a colored plate mobile phone backboard production process. The production process comprises the following steps: (1) manufacturing a colored plate; (2) transferring a first target texture to the outer surface of the colored plate to form a first texture layer, and forming a first coating layer on the first texture layer; (3) transferring a second target texture to the first coating layer to form a second texture layer; (4) carrying out pressure forming to form a mobile phone backboard blank; (5) forming a second coating layer on the outer surface of the mobile phone backboard blank subjected to pressure forming; (6) spraying a wear-resistant light-cured ink layer; and (7) performing CNC accurate carving, and manufacturing a finished mobile phone backboard product. According to the process, the colored composite plate is adopted, and light is refracted and reflected back and forth in different textures and coating films through splicing combination of two different textures and two layers of covered nano optical coating films, so that a mobile phone can present flowing colors, and the color diversity of the backboard is enhanced.

An embodiment of the invention provides a lamp box fabric and a lamp box. The lamp box fabric comprises a reflecting layer and a base material layer, wherein the reflecting layer is arranged on one side of the base material layer and made of metal. When visible light is reflected by the reflecting layer, the surface of the lamp box fabric at least present metallic gloss, and a light guide plate and a reflecting piece are sequentially stacked between the base material layer and a fabric layer. As the reflecting layer is arranged in the lamp box fabric, the lamp box fabric can reflect external light, the surface of the lamp box fabric can present the metallic gloss, the lamp box fabric can present gradually varied color effects when being viewed from different angles outside the lamp box fabric, and color diversity of the lamp box can be improved. In addition, owing to the light guide plate and the reflecting piece, the utilization rate of light can be effectively enhanced.

In one embodiment, the invention provides a lamp-box fabric and a lamp-box. The lamp-box fabric includes a reflecting layer, a base material layer and a material distributing layer, which are arranged in a successively laminated manner. A plurality of grooves are formed in one side, which faces to the reflecting layer, of the base material layer, wherein reflecting components are located in the grooves. Materials of the reflecting layer comprise metal. By arranging the reflecting layer in the lamp-box fabric, the lamp-box fabric can reflect external light, so that the surface of the lamp-box fabric has a metal-like luster. By observation at different angles from exterior of the lamp-box fabric, the lamp-box fabric can show a gradual-varying colorful effect; in addition, a plurality of grooves are arranged on the one side, which is towards the reflecting layer, of the base material layer and are filled with the reflecting components, light, which is not utilized by the reflecting layer, is cyclically utilized, thus improving the color diversity of the lamp-box.

The invention provides colored decorative paint difficult to fall off, and relates to the field of building paint. The colored decorative paint difficult to fall off comprises primer, decorative paint and protective paint, and the spraying steps are as follows: carrying out surface treatment on a wall surface to be sprayed, smearing putty, troweling the putty, waiting for drying, and preparing the primer and a brushing tool; after the putty is dried, the primer is brushed on the wall surface through a brushing tool, the brushing thickness is 2-3.5 mm, waiting is conducted for 30-50 min till the primer is completely dried, meanwhile, decorative paint is blended, and ground color decorative paint and colored decorative paint are formed. Through a three-layer compounding mode of the primer, the decorative paint and the protective paint, a layer of compact high-transparency paint film is formed through a polyester cross-linking reaction of the protective paint while the primer is used for improving the alkali-resistant and waterproof capacity and the adhesiveness of the inner layer, and the decorative paint is not prone to falling off under the condition that the color of the decorative paint is guaranteed. The acid and alkali resistance and scrubbing resistance of the outer paint surface are improved, the service life of the paint surface is effectively prolonged, and the practicability of the paint surface is enhanced.

The invention discloses a method for preparing colored sand with metallic silver effect. The chemical plating method is mainly used to plate silver metal on the surface of sand and gravel, which mainly includes the following steps: 1) adding pretreated sand and gravel into a container, Distilled water and glucose are fully stirred; 2) Mix a certain amount of silver nitrate with ammonia water or amine, and stir until there is no precipitation; 3) Add the solution in 2) to 1) and stir for a period of time at room temperature, then dry to obtain silver plating colored sand. The preparation process of the present invention is highly efficient, low in cost, high in quality grade, and imparts a strong metallic feeling to the surface of the sandstone.

The embodiment of the invention provides lamp box cloth and a lamp box, the lamp box cloth includes a reflection layer and a substrate layer, the reflection layer is arranged on the one side of the substrate layer, the reflection layer comprises a metal material, when visible light is reflected by the reflection layer, the surface of the lamp box cloth shows at least metal luster, a plurality of grooves are arranged on the substrate layer at intervals, and quantum dots are arranged and packed in the grooves. The reflection layer is arranged in the lamp box cloth, so that the lamp box cloth can reflect external light, and the surface of the lamp box cloth shows the metal luster, when the lamp box cloth is observed from different external angles, a gradient color effect can be shown by the lamp box cloth, the color diversity of the lamp box can be enhanced; in addition, due to the arrangement of the quantum dots, purposes of effective heat dissipation and wide color gamut can be achieved.

The invention discloses a colorful SMC material applied to bathroom products, which comprises the following components in percentage by weight: 65.9-73% of continuous-phase resin paste, 1-3% of dispersed-phase color matching base paint, 1-1.6% of a thickener and 25-30% of alkali-free glass fibers, and the sum of the weight percentages of the components is 100%. The invention also provides a preparation method of the colorful SMC material. The colorful SMC material disclosed by the invention has the advantages of good surface gloss, various colors, good product color stability, good mechanicalstrength and simple production process.

The invention discloses a refrigerator door trim and a surface treatment method thereof, and relates to the technical field of door trim surface treatment. The present invention comprises a door trim body; a rectangular groove is provided on the door trim body; a 3D special-shaped curved surface is provided at the connection between the rectangular groove and a surface of the door trim body; a number of ventilation holes are provided on the door trim body The surface of the door trim body is sealed with a decorative film; the decorative film includes a PET base material, a UV layer, an ink layer, and an adhesive layer sequentially from the inside to the outside. The present invention moves the decorative film to the top of the door trim body by opening air holes on the surface of the door trim body, and seals the surroundings of the decorative film with the door trim body; then vacuumizes the sealed space to make the decorative film stick Coated on the surface of the decorative strip body, it has high hardness and high color diversity; it is environmentally friendly and efficient; it solves the problem that the IMD process cannot be applied to curved surfaces with large R angles, especially 3D special-shaped surfaces.

The embodiment of the invention provides lamp box cloth and a lamp box. The lamp box cloth comprises a reflecting layer, a base material layer and a cloth material layer, wherein the reflecting layer, the base material layer and the cloth material layer are arranged in a sequential stacking manner, a first binder is arranged between the base material layer and the cloth material layer, miniature holes are formed in one side, close to the cloth material layer, of the base material layer, at least one part of the first binder is positioned in the miniature holes in the base material layer, the reflecting layer is made of metal, and the cloth material layer has light transmission. According to the technical scheme, the reflecting layer is arranged in the lamp box cloth, therefore, the lamp box cloth can reflect external light rays, thus the surface of the lamp box cloth can show the metallic luster, when observation is carried out from different angles of the outside of the lamp box cloth, the lamp box cloth can show the gradually variational color effect, and thus the color diversity of the lamp box can be improved.

The invention discloses a processing method of a wool fabric and wool ready-to-wear clothes having surface gradient color effect and aims to provide a method by that the gradient color effect is formed from one end to the other end of the wool fabric and wool ready-to-wear clothes. The method includes the steps of: adding a wool chlorination modifier to a penetrating agent solution to prepare a wool chlorination modifying treatment liquid; at constant speed, immersing one end of the wool fabric and wool ready-to-wear clothes in the wool chlorination modifying treatment liquid until the other end is immersed to perform wool chlorination modification to different degrees; dyeing the wool fabric and wool ready-to-wear clothes, after the chlorination modification, to prepare the product, wherein a dark-to-light gradient color effect is formed from one end to the other end of the surfaces of the wool fabric and wool ready-to-wear clothes. The method can form the gradient color effect, whichhas abundant color layers and natural transition, on the wool fabrics, so that color diversification and individuation of wool fabric products is improved.

The invention provides a multi-axis simulation grain pouring mechanism. The multi-axis simulation grain pouring mechanism comprises a plurality of portal frames, and main transmission shafts, main driving motors, main sliding rods and main sliding plates are arranged on the two opposite side walls of cross beams of the portal frames. The main transmission shafts are rotationally installed on the side walls of the portal frames, and output shafts of the main driving motors are connected with the main transmission shafts. The main sliding rods are arranged on the side walls of the portal frames,the main sliding plates are in sliding connection with the main sliding rods and are further in threaded connection with the main transmission shafts, and the main transmission shafts drive the mainsliding plates to slide on the main sliding rods. Main clamping pipes are arranged on the main sliding plates. Due to the fact that the multiple portal frames are erected above a forming groove, mainclamping pipes and auxiliary clamping pipes which can move towards or away from each other on the cross beams are designed on the portal frames, auxiliary color pouring guns are installed on the mainclamping pipes and the auxiliary clamping pipes, and during grain drawing operation, the different main clamping pipes and auxiliary clamping pipes are controlled to make relative movement, the purpose of drawing a plurality of grain lines and drawing crossed tree-shaped grain lines in the main color paste at the same time can be achieved.

The invention an ultrahigh-weather-resistance PVC (polyvinyl chloride) coextruded surface material and a manufacturing method thereof, belonging to the field of composite materials. The ultrahigh-weather-resistance PVC coextruded surface material comprises the following components in parts by mass: 40-60 parts of PVC powder, 20-50 parts of CPVC (chlorinated polyvinyl chloride), 10-20 parts of calcium carbonate powder, 0.4-6 parts of stabilizer, 4-7 parts of impact modifier, 1-3 parts of lubricant, 0.4-0.9 part of anti-ultraviolet agent, 0.4-0.9 part of antioxidant, 0.5-1 part of antistatic agent, 3-6 parts of whisker and 3-6 parts of toner. By adjusting the formula, the material has comparable weather resistance with ASA (acrylonitrile-styrene-acrylate), and has higher surface hardness and Vicat softening point temperature. The material is low in cost, does not need to depend on import, and can obviously lower the production cost. The production cost of the product is only about one half of that of the ASA material. The product can be widely used in surface coextrusion of PVC door / window profiles, PVC wood-plastic profiles and PVC tiles to enhance the physical properties and colorfulness of the product.