53results about How to "Improve the effect of surface treatment" patented technology

An antireflective member according to the present invention has an uneven surface pattern, in which unit structures are arranged in x and y directions at respective periods that are both shorter than the shortest wavelength of an incoming light ray, on the surface of a substrate and satisfies the following inequality (1): lambda, / lambda ) . . ., where lambda is the shortest wavelength of the incoming light ray, theta i is the largest angle of incidence of the incoming light ray, ni is the refractive index of an incidence medium, lambda is the period of the uneven surface pattern in the x direction, and lambda is the period of the pattern in the y direction. As a result, diffraction of short-wave light components can be reduced in a broad wavelength range.

The invention belongs to the technical field of building materials, and specifically relates to a modified material and treatment method of a low-quality aggregate. The modified material of the low-quality aggregate provided by the invention comprises the following components in percentage by mass: 46-50% of cement, 10-15% of a mineral admixture, 2-5% of an active powder, 0.2-0.6% of a water reducing agent, 0.001-0.004% of a viscosity adjusting agent, 0-3.2% of an expanding agent, 0-0.12% of an air entraining agent, and 0-0.0007% of a defoaming agent. The modified material provided by the invention can realize effective filling and coating modification of the low-quality aggregate through the cooperation between the components, and the adjustment of the use amount, and especially through the cooperation of the specific use amount of the cement, active powder and viscosity adjusting agent, the surface tension and viscosity of the modified material can be effectively adjusted, and a porepenetration amount and a shell coating thickness are coordinately optimized. The combined use of the inorganic and organic components promotes the secondary hydration / chemical bonding of a slurry layer, and improves the strength of an interface between the aggregate and the slurry layer. The cylindrical compress strength of the aggregate after modification treatment is increased by 40% or more, acrushing value is reduced by 30% or more, and a water absorption rate in 24 h is reduced by 15% or more.

The invention discloses a sputtering ion gun which is provided with an airflow direction regulating device, an argon ion generating device and a focusing lens, wherein the argon ion generating device is internally provided with an on-load voltage adjustable electronic accelerating grid mesh and a lamp filament correlated with a reference point position of the electronic accelerating grid mesh; one side wall of the electronic accelerating grid mesh is provided with a circular tube of a metal mesh; the electronic accelerating grid mesh is provided with a grid mesh anode at the front end and a grid mesh cathode at the rear end; the motion speeds of argon ions along the axial direction of the grid mesh are controlled through regulating a voltage loaded on the electronic accelerating grid mesh, thus the ion generating efficiency is regulated. The sputtering ion gun can be used alone during surface etching or deep analysis, and can be used for obtaining an improved surface treatment effect and ensuring that a surface treatment process is controllable. The ion sputtering and vacuum annealing can be adopted for performing repeated circular treatment during sample surface cleaning treatment or surface reconstruction. The material of the whole set of ion gun completely meets the requirement for use in an ultrahigh-vacuum environment, and can resist to baking at high temperature of over 200 DEG C.

An antireflective member according to the present invention has an uneven surface pattern, in which unit structures are arranged in x and y directions at respective periods that are both shorter than the shortest wavelength of an incoming light ray, on the surface of a substrate and satisfies the following inequality (1): lambda, / lambda ) . . ., where lambda is the shortest wavelength of the incoming light ray, theta i is the largest angle of incidence of the incoming light ray, ni is the refractive index of an incidence medium, lambda is the period of the uneven surface pattern in the x direction, and lambda is the period of the pattern in the y direction. As a result, diffraction of short-wave light components can be reduced in a broad wavelength range.

The invention discloses a preparation method of a bioactive porous tantalum implant, which comprises the following steps: carrying out acid pickling treatment on a three-dimensional porous tantalum implant material to obtain a pretreated material; performing micro-arc oxidation treatment on the pretreated material, an in-situ growth film layer with bioactive substances is formed on the surface ofthe pretreated material, and an electrolyte adopted in the micro-arc oxidation treatment comprises bioactive functional substances; and carrying out hydrothermal treatment on the in-situ growth film layer to obtain the bioactive porous tantalum implant. Tests prove that the in-situ growth film layer can effectively endow the three-dimensional porous tantalum implant material with a biological activity function. The prepared porous tantalum implant with the living activity is simple in technological process, easy to realize industrial production, simple in electrolyte and hydrothermal treatmentsolution components, free of pollutants, easy to control and low in cost, can be used for preparing various orthopaedic implant materials, and has a wide application prospect.

The invention provides impeller equipment for a sand blasting-shot peening machine table, and the sand blasting-shot peening machine table. The sand blasting-shot peening machine table comprises particle treatment equipment, at least one piece of impeller equipment, one piece of collection equipment, and one piece of lift equipment. The impeller equipment comprises two oppositely-arranged rotary discs, a plurality of blades, a plurality of connection rods, and a protection box body, and each rotary disc is provided with a central hole, a plurality of blade grooves and a plurality of limit grooves. Each blade groove is provided with a groove bottom adjacent to the central hole and a groove top adjacent to the circumference. The inner-groove width of the groove bottom is greater than the inner-groove width of the groove top. Each blade is provided with a blade plate part and two oppositely-arranged side plate parts, and each side plate part is provided with a limit lug. The side plate parts are accommodated into the blade grooves, the limit lugs are accommodated into the limit grooves, and the root width of each side plate part is greater than the top width; the plurality of connection rods are connected with the two oppositely-arranged rotary discs; and the protection box body is provided with a front inclined baffle and a rear baffle, and the front inclined baffle is inclined towards a sand blasting-shot peening outlet surface.

The invention relates to the technical field of antibacterial plastics and in particular relates to a nanometer titania antibacterial plastic and a production process thereof. The nanometer titania antibacterial plastic is prepared from 70-90 parts of epoxy modified resin, 0.2-1 part of a plasticizer, 0.2-1.5 parts of a foaming agent, 0.5-1 part of ethylene bis-stearamide, 0.5-1 part of zinc stearate, 0.1-0.7 part of an initiator, 0.2-0.8 part of an antioxidant, 0.3-0.8 part of a surfactant, 0.3-0.8 part of nanometer titania and 1-2 parts of water. The nanometer titania antibacterial plastic has uniform and lasting antibacterial effects. The production process of the nanometer titania antibacterial plastic comprises the following steps: 1, preparing epoxy modified resin; 2, performing surface treatment on nanometer titania; 3, performing melt mixing on the epoxy modified resin and the nanometer titania subjected to surface treatment; and 4, performing extruded granulation. The nanometer titania antibacterial plastic has the advantage of being easy to operate.

A preparing method of a ceramic-filled polytetrafluoroethylene microwave composite-medium substrate is disclosed. The method includes 1) adding silicon dioxide ceramic powder into a liquid mixture of hydrogen peroxide and concentrated hydrochloric acid after the silicon dioxide ceramic powder is dried, and heating the mixture to 50-70 DEG C to obtain a suspension; 2) subjecting the suspension to suction filtration and drying a product in a vacuum environment; 3) adding the silicon dioxide ceramic powder obtained in the step 2) into a solution mixture of deionized water and absolute alcohol, adjusting the pH value to be 3-5, weighing a coupling agent the weight of which is 1.0-2.5% of the weight of the silicon dioxide ceramic powder, performing ball milling, and fully mixing the mixture to obtain a material mixture; 4) filtering and drying the material mixture to obtain modified silicon dioxide ceramic powder; 5) ball-milling and mixing the modified silicon dioxide powder, chopped glass fibers and polytetrafluoroethylene, and then performing demulsification to obtain dough; and 6) subjecting the dough to molding and hot-pressed sintering. The ceramic-filled material prepared by the method has a low dielectric constant (with epsilon being equal to 2.94), ultralow dielectric loss (with tg[delta] being less than 0.0008, 10 GHz), low water absorption (less than 0.02%) and a small thermal expansion coefficient (less than 20 ppm / DEG C).

The invention discloses an iron oxide color paste, which comprises the following raw materials by weight: 55 parts of iron oxide pigment, 10 parts of an impregnating compound, 3 parts of a nano slurry, 5 parts of an organic silicon defoamer, 10 parts of lithium magnesium silicate and 40 parts of deionized water. The impregnating compound added into the iron oxide pigment is formed by combining lauryl sodium sulfate, a silane coupling agent KH560 and other surfactants, a coupling agent and the like, and aims to enable dual amphoteric surface treatment on the iron oxide pigment so as to enhancethe surface treatment effect, and the added modified silicon dioxide can enhance the contact effect of the impregnating compound and the iron oxide pigment, thereby enhancing the treatment capacity.

The invention discloses a surface treatment process for automotive interior parts, which comprises the following steps: 1) ultrasonic degreasing; 2) roughening; 3) palladium activation; 4) debonding; 5) chemical nickel; 6) pre-nickel plating; 7) 8) semi-gloss nickel; 9) full-gloss nickel; 10) nickel seal; 11) decorative chrome; Improve the effect of surface treatment of automotive interior parts, increase the yield, good aesthetics, long service life, save costs and resources, and rationalize the boric acid in the electroplating process, so that the efficiency and effect of nickel plating are significantly improved improve.

An antireflective member according to the present invention has an uneven surface pattern, in which unit structures are arranged in x and y directions at respective periods that are both shorter than the shortest wavelength of an incoming light ray, on the surface of a substrate and satisfies the following inequality (1): lambda, / lambda ) . . ., where lambda is the shortest wavelength of the incoming light ray, theta i is the largest angle of incidence of the incoming light ray, ni is the refractive index of an incidence medium, lambda is the period of the uneven surface pattern in the x direction, and lambda is the period of the pattern in the y direction. As a result, diffraction of short-wave light components can be reduced in a broad wavelength range.

The invention relates to a product surface machining device, in particular to a tool for surface treatment. The tool for the surface treatment comprises a substrate, a handle, bristles, supporting frames, a gear set, a silk feeding adjusting plate, a connecting rod and round rods; the handle is arranged at the top of the substrate; the bristles are arranged at the bottom of the substrate; the supporting frames are arranged on the two side surfaces of the substrate; the gear set is arranged on the supporting frames and rotatably connected with the supporting frames; the two ends of the connecting rod are correspondingly arranged on the silk feeding adjusting plate and the gear set; the number of the round rods is several; the round rods are evenly arranged between the connecting rods; and the bristles pass through gaps between the round rods. According to the invention, by adjusting the position of the silk feeding adjusting plate, the silk feeding adjusting plate is driven to open outwards or approach inwards, the bristles between the round rods are scattered outwards or gathered inwards to change the density of the bristles and the length of silk feeding, so that the treatment ofdifferent degrees of pollution on the surface of a complex material is completed.

The invention relates to a method for improving the corrosion resistance and fatigue resistance of an aluminum alloy, comprising: shot peening, determining the depth of a residual compressive stress layer, cleaning, alkali corrosion, pickling, anodizing, and sealing, wherein, after determining the residual compressive stress In the layer depth step, based on the relationship between the shot peening intensity parameter and the residual compressive stress layer depth, the residual compressive stress layer depth Ds is obtained from the preset shot peening intensity parameter. In the alkali corrosion step, according to the alkali corrosion depth Dc and There is an optimal coefficient Y between the depths of the residual compressive stress layer Ds, and the alkali corrosion depth is determined as Dc=Y·Ds. According to the corresponding relationship between the alkali corrosion depth Dc and the alkali corrosion time t, the linear fitting curve Dc=f(t) is established, The corresponding corrosion time is calculated from the depth Ds of the residual compressive stress layer. The method can effectively improve the surface treatment performance of aluminum alloy parts, improve the comprehensive performance of the parts, and then improve the quality and performance of equipment, and has great economic and social benefits.

The invention mainly relates to an appearance part and a surface treatment method thereof, and electronic equipment. The method comprises steps that the surface of a substrate is coated with a photocureable coating; illumination treatment on the photocureable coating is performed so that the photocureable coating is cured on the surface of the substrate to form a cured layer; the curing layer is heated to enable the curing layer to expand to form a crack structure; the surface of the curing layer is coated with filler, and fissures of the curing layer are filled with the filler. The method isadvantaged in that the curing process of the photocureable coating is separated from the adding process of the filler in another way, that is, the photocureable coating is firstly cured and then added, so the curing process of the photocureable coating is not influenced by the filler, the curing effect of the photocureable coating can be ensured, selectivity of the filler in the aspects of variety, concentration, particle size and the like can be improved, so the surface treatment effect of the appearance part and the application range of the photocureable coating are improved.

The invention discloses a surface treatment process for a cylindrical plastic container. According to the process, a high-frequency high-voltage device is used for performing surface treatment on the plastic container through electrode discharging, the distance between an electrode and the plastic container to be treated is 1.5 m, the surface of the plastic container to be treated is coated with UV (ultraviolet) ink, and a UV radiation lamp is arranged for irradiation during treatment. According to the process, defects in the prior art are overcome, the electrode is a double-end electrode, the thickness of the electrode is increased, and 2-4 shallow grooves are formed in a knife edge of the electrode, so that arcs produced by the electrode are needle-shaped arcs, the surface treatment effect is improved, the treatment speed is 150 pieces per second, and the treatment efficiency is improved; and the UV radiation lamp is added during treatment, so that the treatment effect is improved.

The invention discloses a magnesium-lithium alloy surface treatment device, which aims to make the magnesium-lithium alloy in the process of chemical conversion uniform conversion film, and no corrosion spots appear when tested by a salt spray test. The technical scheme adopted is: comprising: The treatment tank is used for placing the treatment liquid. The bottom of the treatment tank is provided with a number of liquid spray holes. The liquid spray holes are connected to the variable frequency pump through the liquid channel arranged at the bottom of the treatment tank. The variable frequency pump is connected to the treatment liquid source. The control end of the pump is connected to the controller, the side wall of the processing tank is provided with a position sensor, and the position sensor is connected to the controller; when the magnesium-lithium alloy workpiece is processed, the processing liquid is sprayed through the liquid spray hole to make the magnesium-lithium alloy work. The alloy workpiece is suspended in the treatment liquid, and the position sensor detects the position change information of the magnesium-lithium alloy workpiece and feeds it back to the controller. The controller adjusts the outlet pressure of the variable frequency pump according to the position change information, so that the magnesium-lithium alloy workpiece can be stably suspended in the treatment liquid. in liquid.