593 results about "Varnish" patented technology

The invention discloses a UV varnish applied to a PVC edge band and a preparation process thereof, and relates to the technical field of paints.The UV varnish comprises, by mass, 15-35% of hydroxyl polyester acrylate, 5-10% of a curing agent, 1-5% of a curing agent, 1-5% of a curing agent, 1-5% of a curing agent, and the balance of water. 15-35% of aliphatic polyurethane resin with 3-4 functional groups; 15-25% of an active monomer; 0.2-0.5% of a wetting dispersant; 0.5-1% of a dispersant; 0.2%-0.5% of a defoaming agent; 0.1 to 0.2 percent of a flatting agent; 0.5%-0.8% of a fluorocarbon modified leveling agent; 3.5 to 5% of a photoinitiator; 0.5%-2.2% of a functional auxiliary agent; 5-15% of a matting agent; and 0.5-1% of nano aluminum oxide. According to the UV varnish, the flexibility reaches grade 1, the adhesive force reaches grade 0, the yellowing resistance E * is 1.0-1.5 (grade 1), and after a cold and hot cycle test, a paint film is free of cracks, bubbles, gloss loss and the like.

The invention relates to the technical field of electromagnetic wire insulating layers, in particular to an insulating layer for an electromagnetic wire and a preparation method thereof, and the preparation method comprises the following steps: coating an insulating improved paint on the electromagnetic wire by adopting an enameling machine, and then continuously baking the electromagnetic wire by adopting the enameling machine to complete the preparation of the insulating layer. According to the insulating layer for the electromagnetic wire, the insulating layer is coated with the insulating improved paint through the enameling machine, the insulating improved paint is prepared from the polyimide paint, the xylene solvent, the weather change resistant functional agent and the modified filler, and the raw materials are co-matched, co-assisted and mutually blended to achieve a synergistic effect; the obtained insulating improved paint optimizes the softening breakdown property, wear resistance and pollution resistance of an insulating layer in a system, the performance coordination of a product is improved, and the weather resistance and temperature change resistance stability effects of the product are remarkable.

The invention belongs to the technical field of stoving varnish door plates, and discloses a preparation process of a solid wood core stoving varnish door plate. The method comprises the following steps that polygonal solid wood strips are spliced into a solid wood plate blank, then hot press molding, double-face sanding and vacuumizing are conducted, then curing and sanding are conducted after the solid wood plate blank is soaked with a wood reinforcing agent, and a pretreated solid wood plate is obtained; and coating seal primer on the pretreated solid wood board, spraying white primer and grinding, spraying a layer of white primer and grinding, spraying three layers of finish paint, and finally spraying varnish and grinding, drying, polishing and sealing edges to obtain the solid wood core stoving varnish door board. The wood reinforcing agent is prepared from the hydrophilic nano silicon dioxide aerogel powder, the modified waterborne polyurethane dispersoid, the microencapsulated ammonium polyphosphate and other raw materials, and a synergist is introduced into a varnish layer, so that the hardness, cracking resistance, deformation resistance and fire resistance of a paint film are effectively improved. Therefore, the method has a wider application prospect.

A process is disclosed for recovering soft poly(vinyl butyral) from a plasticized poly(vinyl butyral) multilayer sheet comprising stiff poly(vinyl butyral) and soft poly(vinyl butyral). The multilayer sheet. which may be scrap or recycled material. is first converted to a granulate form and then treated with plasticizer. This plasticizer treatment serves to remove the soft poly(vinyl butyral) component from the granulate. but thereby provides a varnish comprising the soft poly(vinyl butyral) mixed with excess plasticizer. This varnish is however highly viscous and thus difficult to handle or mechanically process. The present disclosure provides a solution to this handling problem by the addition of soft poly(vinyl butyral) having a lower concentration of plasticizer to the varnish. until a product is obtained having a sufficiently low concentration of plasticizer to render the product capable of mechanical processing. for example pelletizing. The resulting product can then be utilized to form soft poly(vinyl butyral) sheets, thereby improving the recyclability of scrap multilayer poly(vinyl butyral) materials.

Device for treating precipitated sludge sediment from wastewater treatment, in particular wastewater from paints and varnishes and / or coating materials and / or liquid special waste, comprising chamber filter presses with filter cloths through which the precipitated sludge sediment is to be treated, wherein at least one removable precoat layer of a filtration aid in a predetermined concentration is applied to each filter cloth.

The application belongs to the technical field of coatings, and discloses a UV film finishing varnish with yellowing resistance and high hardness, and a preparation method and application thereof. The UV film finishing varnish comprises a hexafunctional alicyclic polyurethane acrylic resin, a difunctional linear polyurethane acrylic resin, a pure acrylic resin, an acrylic ester active diluent, a filler, an ultraviolet absorber, a non-alkaline hindered amine radical scavenger and a photoinitiator. The weight ratio of the hexafunctional alicyclic polyurethane acrylic resin, the difunctional linear polyurethane acrylic resin, the pure acrylic resin and the acrylic ester active diluent is (2.5-3.5):(1-1.5):0.5:(2.0-3.0). The preparation raw materials of the difunctional linear polyurethane acrylic resin include isocyanate, poly-1,4-butanediol and hydroxyethyl acrylate. The paint film formed by the UV film finishing varnish meets good yellowing resistance and high hardness performance, and is not prone to cracking after cold and hot cycles.

A method of making an object including a coating unit having antibacterial and antiviral activity includes (a) providing an untreated object; (b) spraying a primer material onto a surface of the untreated object so as to form a primer coating layer, thereby obtaining a primed object; (c) baking the primed object obtained in step (b) to dry the primer coating layer, thereby obtaining a baked object; (d) spraying a varnish material onto a surface of the baked object obtained in step (c) so as to form a varnish coating layer on the primer coating layer, thereby obtaining a varnished object; and (e) baking the varnished object obtained in step (d) to dry the varnish coating layer, thereby forming a coating unit having the primer coating layer and the varnish coating layer on the surface of the object. An object including an untreated object and a coating unit is also provided.

As a charge-transporting varnish for forming a charge-transporting thin film with excellent hole transport properties, a charge-transporting varnish is provided, comprising copper halide (I) or pseudo-copper halide (I), one of an amine selected from formulas (1) to (3), SiO2 nanoparticles, and a solvent. (where R...) 1 ~R 4 Each can independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms. L represents an alkylene group having 3 to 8 carbon atoms, and oxygen atoms may be present between the carbon atoms in the aforementioned alkylene groups. However, there must be at least 3 carbon atoms between H₂N⁻ and -OH. R 5 ~R 6 Each of these can independently represent an alkyl group having 1 to 6 carbon atoms that can be replaced by a hydroxyl group, and oxygen atoms may be present between the carbon atoms of these alkyl groups. However, R 5 and R 6 (At least one alkyl group is substituted with a hydroxyl group, or an oxygen atom is present between carbon atoms.)

A packaging film comprises an outer layer formed of a heat-scalable polymer. A polyolefin-based sealant layer laminated to an interior facing surface of the outer layer. A varnish coating layer is disposed on an exterior facing surface of the outer layer, the varnish coating layer configured to impart a tactile feel of paper to the outer layer.

A method for packaging sheet metal parts made from an electrical steel strip or sheet to form a laminated core is disclosed. In order to achieve advantageous process conditions, it is proposed that when the hot-melt adhesive varnish layers are pressurized in the axial direction of the stacked sheet metal parts, they are pressurized multiple times by means of a pressure pulse in that the pressure pulse is exerted through either an impingement with pulse pressure or a relief of pulse pressure.

Embodiments herein relate to systems and methods for varnish detection and / or monitoring in hydrocarbon fluids. In various embodiments, a system for monitoring varnish compounds in fluids is included herein including a control circuit in communication with a fluid property sensor. The system can measure one or more fluid properties (such as dielectric constant, density, resistivity, viscosity and the like) with the fluid property sensor, monitor the same over a time period, and identify an occurrence of a rate of change in the measured property indicating a presence of the varnish compounds. In various embodiments, a system herein can be configured to measure a fluid property of a fluid with a fluid property sensor, monitor the fluid property value over a time period, and predict a time of the onset of varnish compound formation based on the trend of the fluid property value over time. Other embodiments are also included herein.

This invention discloses a mother-of-pearl varnish for wood products with high resistance to yellowing and high transparency, and its application. It consists of a main agent, a curing agent, and a diluent in a mass ratio of 100:(40-60):(10-20). The main agent includes: 40%-50% aldehyde-ketone resin, 0.1%-0.5% defoamer, 5%-10% liquid metallic pearlescent pigment, 1%-2% ultraviolet absorber, and 40%-50% diluent. The curing agent includes: 20%-30% HDI trimer isocyanate, 25%-35% isocyanate adduct, 30%-50% n-butyl acetate, 0-15% ethyl acetate and / or propylene glycol methyl ether acetate, and 0.1%-0.5% dehydrating agent. The product of this invention exhibits excellent resistance to yellowing, good film transparency, high brightness, strong shimmer, and a strong three-dimensional effect. It can be widely used for surface coating of wood products such as wardrobes, kitchen cabinets, bathroom cabinets, and display cases.

The invention discloses a macro-micro cooperative driving cable parallel spraying robot for the surface of large equipment. The robot is composed of a macro robot, a moving platform and a spraying module. The macro robot adopts a detachable metal static platform frame and a four-drive rope to cooperatively control multi-degree-of-freedom movement of a disc-shaped movable platform, and three-dimensional accurate positioning is achieved through an XY linear translation table and a scissor type lifting mechanism. The innovativeness lies in that four-wheel-drive parallel rope layout and model prediction anti-interference control are adopted, and vibration errors are effectively restrained; a micro mechanical arm and a four-axis linkage rotating platform are integrated, and multiple sensors are arranged to achieve high positioning precision; a four-head atomizing nozzle system is innovated, spraying of primer, colored paint and varnish is completed through 90-degree step-by-step rotation, and the high surface coverage rate is achieved through an S-shaped alternate path. And the color paint saturation is controlled by combining six-valve flow. The device can be quickly reconstructed to adapt to different working conditions, the spraying efficiency is greatly improved, and the device is particularly suitable for high-quality spraying operation of large equipment such as airplanes and ships.

The invention provides a radiation-curable protective varnish showing good anti-soiling and durability characteristics.

This invention provides a high weather-resistant three-color paint and its preparation method. The high weather-resistant three-color paint includes a white primer, a red primer, a blue primer, a topcoat, a clear coat, and a curing agent. Modified silica is added to the white primer, red primer, blue primer, topcoat, and clear coat. The modified silica is obtained by copolymerizing hydroxyl hyperbranched polymer-coated nano-silica, 2,4-dihydroxybenzophenone-grafted cyanuric chloride, and hydroxyl acrylate. This modified silica possesses a three-dimensional cross-linked network structure, which directly enhances the mechanical properties of the paint film. It also incorporates abundant ultraviolet absorbing groups, significantly improving the weather resistance of the paint film. Simultaneously, the large number of active hydroxyl groups it contains enhances the adhesion of the paint film. During the curing process, the isocyanate groups of the curing agent combine with the hydroxyl-containing components in the system to form a highly integrated and dense paint film structure, further improving the mechanical properties, weather resistance, and optimizing acid and alkali resistance of the paint film.

The invention discloses a preparation process and application of modified polymer-based oil polish, and the preparation process comprises the following steps: adding deionized water into a reactor, adding an emulsifier and modified silicon dioxide, adding part of methyl methacrylate, ethyl acrylate, butyl acrylate and acrylic acid, and uniformly stirring; adding an ammonium persulfate aqueous solution for reaction, dropwise adding the residual parts by mass of methyl methacrylate, ethyl acrylate, butyl acrylate and acrylic acid, heating for reaction after the dropwise addition of the monomer is completed, cooling to room temperature after the reaction is completed, and filtering to obtain a modified acrylate emulsion; uniformly mixing the modified acrylate emulsion, a flatting agent, a wetting agent, a coalescing agent, a defoaming agent and deionized water, and filtering to obtain the modified polymer-based oil polish. The oil polish disclosed by the invention has excellent leveling property, high glossiness and good wear resistance.

The invention relates to an aqueous pigment paste comprising or containing a) an organic and / or inorganic pigment, b) a humectant, c) a preservative such as alkali sorbates or the water-soluble salts of para-hydroxybenzoic acid, and d) water, wherein the aqueous pigment paste has a pH value in the range of 4.0 to 6.5 or is adjusted to a pH value in the range of 4.0 to 6.5. The invention further relates to a kit-of-parts coating system comprising or formed from a) at least one aqueous pigment paste according to the invention and b) at least one aqueous coating compound, as well as a tinted aqueous coating system obtainable from the kit-of-parts coating system by mixing the aqueous pigment paste A) with the aqueous coating compound B).Furthermore, the invention relates to a method for tinting an aqueous coating compound as well as the use of the aqueous pigment paste according to the invention for coloring water-based paints, varnishes, glazes, plasters, primers and / or fillers or for the production of or as interior paint, facade paint, filler, plaster, primer, varnish, glaze or pigment paste or as a component thereof.

The utility model relates to the technical field of water-based glass stoving varnish production, in particular to a water-based glass stoving varnish preparation device which comprises a box body, a first bottom plate fixed to the bottom of the box body, a stirring shaft rotationally connected to the top of the first bottom plate, a top plate fixed to the top of the stirring shaft, and a lower fan millstone fixed to the outer side of the stirring shaft. An upper fan millstone is arranged at the top of the lower fan millstone, and a stirring barrel is arranged outside the stirring shaft. A second motor drives a lead screw to rotate to drive a second scraping ring to move in the vertical direction, then the second scraping ring drives the stirring barrel to move upwards, residual raw materials on the inner wall of the stirring barrel in the moving process are scraped off through a first scraping ring, the component proportion during secondary preparation is prevented from being affected, meanwhile, the interior of the device is conveniently cleaned, and the production efficiency is improved. In the process that the second scraping ring drives the stirring barrel to move downwards to reset, the second scraping ring scrapes off impurities on the inner wall of the filter screen, automatic cleaning of the filter screen before each time of preparation is achieved, the filter screen is prevented from being blocked, and the discharging effect is improved.

The present invention relates to the field of vacuum varnishing, and in particular to a vacuum varnishing device for motor windings and a varnishing process thereof. The varnishing process comprises: obtaining winding structural parameters of the motor winding and dynamic viscosity data of the insulating varnish, and determining initial varnishing parameters based thereon; placing the motor winding vertically in an axial direction into an immersion cylinder and pre-baking the motor winding, allowing the motor winding to cool naturally after the pre-baking, and then vacuum evacuating the immersion cylinder; injecting insulating varnish after the vacuum evacuation, and performing pressure varnishing according to the initial varnishing parameters; real-time monitoring of the temperature data of the motor winding to determine the varnishing front travel speed, and adjusting the varnishing pressure accordingly; determining a penetration depth characterization value based on the temperature data to adjust the varnishing pressure and varnishing duration; and after the pressure varnishing is completed, unloading the pressure and sequentially performing back-painting, dripping, secondary back-painting, low-temperature drying, and high-temperature curing. The present invention reduces the probability of insufficient varnish penetration of the motor winding during vacuum varnishing.

This application provides a layered, environmentally friendly waterborne radiative cooling coating composition, belonging to the field of radiative cooling. The coating composition includes a waterborne radiative cooling primer, a topcoat, and a clear coat. The primer comprises 20-50 parts of a first waterborne emulsion, 10-20 parts of a narrow bandgap optical scatterer, and 10-20 parts of a wide bandgap optical scatterer. The topcoat comprises 20-50 parts of a second waterborne emulsion and 30-60 parts of a wide bandgap optical scatterer. The clear coat comprises 20-50 parts of a third waterborne emulsion. This coating utilizes a synergistic layering of primer / topcoat / clear coat and optimized wide bandgap filler gradation to achieve high solar reflectivity and mid-infrared emissivity at a thinner film thickness, resulting in significant passive cooling. The all-waterborne system disperses and dries at room temperature, resulting in low energy consumption and no VOC risk. The layered structure enhances adhesion, weather resistance, and self-cleaning properties. Compared to high-filler thick-coating processes, this application saves raw materials, energy consumption, and construction steps, extends maintenance cycles, and reduces total life-cycle costs.

Graphene-based sliding varnish and its use in turbomachinery manufacturing. The present invention relates to a sliding varnish formulation comprising a water-based carrier suspension, an inorganic binder, and graphene. This varnish formulation is used to protect turbomachine parts from contact wear in assemblies, particularly in the blades of the hot section of a reactor. Figure for the abstract: Fig. 3

The application discloses a kind of permeable crystalline concrete protective fluid systems with anticarbonization, anticorrosion function and preparation method and application thereof.The protective fluid system includes permeable crystalline inorganic nano concrete protective fluid, reinforcing colorant and organic-inorganic composite resin varnish.The protective fluid system is used to protect concrete structure, including the following steps: first, using permeable crystalline inorganic nano concrete protective fluid to coat the surface of concrete structure, curing to solidification, then using reinforcing colorant to coat, curing to solidification, finally using organic-inorganic composite resin varnish to coat, curing to solidification.The protective fluid system is used for concrete structure protection, not only has excellent waterproof, anticarbonization, weathering resistance, acid and alkali erosion resistance and other advantages, coloring layer and sealing layer can adapt to different decoration needs, while improving surface hardness and weather resistance, three-layer composite structure provides structure, vision, threefold protection of beauty, better than existing single function material.

This invention discloses a processing apparatus and method for a permanent magnet motor stator assembly, relating to the field of motor stator processing technology. The processing apparatus includes a support base on which a first motor, a support plate, and a collecting component are mounted. The support plate has a first through hole, a first opening, a second through hole, a third through hole, and a second opening arranged sequentially in a counter-clockwise direction. A turntable is fixedly connected to the output shaft of the first motor, and a first electric push rod is mounted on the turntable. A connecting plate is connected to the top of the first electric push rod. A cleaning cylinder is installed in the third through hole, and a cleaning component is mounted on the cleaning cylinder. A varnish-impregnating cylinder is installed in the second through hole. This invention solves the problems of existing stator assembly processing apparatuses, which cannot adaptively adjust the support position of the device on the silicon steel sheet according to the winding position to avoid interference, and which cannot shake off the varnish after winding and impregnation.

A coating composition is provided that is less sensitive to running and can provide a high-quality paint or varnish protective coating material. The provided coating composition comprises a polymer (A) as the base polymer. The polymer (A) is a polymer of a monomer material comprising an acrylic monomer and is in the form of an aqueous emulsion in which the polymer (A) is dispersed in an aqueous solvent. The coating composition further comprises a polyvinyl alcohol polymer (B) with a degree of saponification of 80 mol% or higher and a degree of polymerization of 1200 or lower. The amount of the polyvinyl alcohol polymer (B) is 0.3 parts by weight or more and 5.0 parts by weight or less per 100 parts by weight of polymer (A). The coating composition has a viscosity of 25 Pa·s or higher, determined at 30 °C and 2 rpm using a BH viscometer.

The present application relates to the technical field of light polyurethane varnish, especially to the field of IPC C09D175 / 175, more particularly to a clear finish for home products, a preparation method and application thereof. The components include: A component and B component, the weight ratio between the A component and the B component is 1:(0.3-0.6); the A component, by weight percentage, the raw materials include: 50-70% alkyd resin, 1-15% nitrocellulose, 1-5% polyamide wax, 1-5% additives, 3-8% matting powder, and the first solvent makes up the balance; the B component, by weight percentage, the raw materials include: 50-90% TDI curing agent, 0.1-2% dehydrating agent, and the second solvent makes up the balance. The short oil alkyd resin is used in combination with 3106-B-70 and 33089 from Changxing Chemical Industry, which can effectively solve the problem of large difference between positive and negative gloss in the actual production process.

The invention belongs to the technical field of transformer processing, and particularly relates to a network transformer varnish dispensing device which comprises a rack, an incoming material belt line is sequentially installed on the rack, a product moving track is installed on one side of the incoming material belt line, and a varnish dispensing mechanism is installed on one side of the product moving track. One side of the varnish dispensing mechanism is provided with a varnish glue amount detection assembly, one side of the varnish glue amount detection assembly is provided with a defective product receiving mechanism, one side of the defective product receiving mechanism is provided with a defective product taking module, and one side of the defective product taking module is provided with a good product tray discharging and moving mechanism. And a full tray moving mechanism and an empty tray receiving lifting mechanism are further mounted on the rack. Automatic continuous feeding is achieved by integrating the incoming material belt line, the product moving track and the like, automatic material carrying is completed in cooperation with the full material disc moving mechanism and the like, and the production efficiency and continuity are improved; and precise operation of the varnish dispensing mechanism is combined with speed regulation control, so that the glue amount of varnish is uniform, and the product consistency is improved.

This utility model relates to the field of water-based varnish technology and discloses a stirring device for the production of water-based varnish, including a stirring drum. A liquid material feeding pipe is fixedly connected to the upper surface of the stirring drum. This utility model achieves separate feeding of liquid and solid materials by setting up a liquid material feeding pipe and a solid material feeding frame, avoiding problems such as clogging that may be caused by mixing the two. The filter screen can filter impurities in the liquid material, and by pressing the reset buckle, the reset buckle compresses the telescopic spring and retracts into the groove, which can detach the mounting bracket from the positioning seat, thereby removing the filter screen for cleaning and replacement. The motor in the abrasive mechanism drives the drive gear to rotate, which in turn drives the abrasive roller to rotate, thereby breaking up the solid material, reducing the volume of the solid material, facilitating subsequent mixing and stirring, and preventing the solid material from clumping together. This ensures that the solid material can be fully stirred in the stirring drum, thereby improving the quality stability of the varnish product.

The present application relates to the field of paint coating, and discloses a paint coating method for multi-color rice cave stone decoration, which comprises the following steps: first, wall surface pretreatment, first, cleaning the wall surface, ensuring the base layer to be flat, using a scraper to evenly apply anti-cracking mortar on the wall surface, then applying paint putty to level, and then evenly brushing an environmental protection primer to form a primer layer; second, respectively mixing rice cave stone primer and rice cave stone fabric, applying a layer of rice cave stone primer on the treated base layer, then thinly applying a layer of rice cave stone fabric, and thinly applying a second layer of rice cave stone fabric after the first layer is dry; third, when the second layer of rice cave stone fabric is semi-dry, sliding a scraping tool on the surface of the fabric to form texture lines, and then using a painting tool to intermittently wipe the rice cave stone paint on the surface of the fabric; and fourth, finally, spraying a varnish to increase the gloss of the decorative effect and to protect the wall surface, so as to improve the decorative effect and simulation degree of the wall surface.

The invention relates to the technical field of stoving varnish, in particular to high-hardness, high-alcohol-resistance and high-wear-resistance matte transparent electric insulation stoving varnish and a preparation method of the high-hardness, high-alcohol-resistance and high-wear-resistance matte transparent electric insulation stoving varnish. The silicon micropowder is uniformly dispersed in a specific thermosetting acrylic resin, amino resin and epoxy resin triple resin crosslinking system, the highly dispersed state not only does not sacrifice transparency, but also realizes better transparency due to the similar refractive index and extremely small light scattering of the silicon micropowder and the triple resin matrix. Meanwhile, the wear resistance and the scratch resistance are greatly improved through the cooperation of uniformly distributed silicon micropowder particles with extremely high hardness and a triple resin matrix, and a fine matte effect is formed through diffuse reflection of surface light.