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47 results about "Automotive coating" patented technology

Anti-aging bronze powder pigment as well as preparation method and application thereof

The invention discloses an anti-aging bronze powder pigment and a preparation method and application thereof in the technical field of bronze powder pigments, and the anti-aging bronze powder pigment takes copper-zinc alloy as a base material, and is sequentially connected with a composite chemical passivation layer, a functionalized organic-inorganic hybrid compact barrier layer and a surface super-hydrophobic layer through chemical bonding from inside to outside; wherein the composite chemical passivation layer is formed by treating a passivation solution containing phytic acid, ammonium metavanadate and sodium tungstate; the functionalized organic-inorganic hybrid compact barrier layer is constructed by a silane mixed solution containing 3-mercaptopropyltriethoxysilane, a reaction type ultraviolet light absorber Si-BP, a reaction type hindered amine light stabilizer Si-HALS and tetraethyl orthosilicate through a sol-gel process. Through the design of a multi-layer composite system, the aging resistance of the bronze powder is improved, and meanwhile, the optical decoration performance can be reserved to the maximum extent, so that the dual strict requirements of high-end outdoor applications such as automobile coatings on durability and visual texture can be met.
Owner:INNER MONGOLIA XUYANG NEW MATERIALS CO LTD

Functional radiation refrigeration coating as well as preparation method and application thereof

The invention discloses a functional radiation refrigeration coating and a preparation method thereof, and aims to overcome the defects that after a water-based coating is formed, the stability is low under ultraviolet irradiation, the adaptability to a humid environment is limited, and the radiation refrigeration performance is low. The preparation method comprises the following steps that firstly, silane modified zinc oxide dispersion liquid is prepared; mixing the silane modified zinc oxide dispersion liquid with a beta-cyclodextrin solution, and performing ultrasonic uniform dispersion; and then adding the uniform dispersion liquid into the aqueous polyurethane dispersion liquid, continuing to add the poly (N-isopropylacrylamide) dispersion liquid and the thickening agent, and fully stirring. And finally, uniformly coating a substrate with the modified waterborne polyurethane dispersion liquid, and carrying out heating treatment to prepare the multifunctional radiation refrigeration coating. The waterborne polyurethane material obtained by the preparation method can be widely applied to the fields of automobile coatings, energy-saving coatings and the like.
Owner:HANGZHOU HIWETECH CHEM TECH CO LTD +1

Premixing device for automobile coating production

The utility model discloses a premixing device for automobile coating production, which belongs to the field of coating production and comprises a premixing tank provided with a premixing stirrer, the top of the premixing tank is respectively connected with a premixing pigment feeding pipe and a premixing filler feeding pipe, and the bottom of the premixing tank is connected with a premixing material discharging pipe. The side parts of the premixing tank are respectively connected with a premixing resin feeding pipe and a premixing solvent feeding pipe, the premixing pigment feeding pipe is connected with the first tubular screw conveyer, the premixing filler feeding pipe is connected with the second tubular screw conveyer, the top of the premixing tank is also connected with an air outlet pipe, and the air outlet pipe is connected with a vacuum pump. The premix produced by the utility model is good in uniformity.
Owner:SICHUAN AOBEILONG NEW MATERIAL TECH CO LTD

An auxiliary trolley for installing an electrophoresis chamber for pretreatment of automotive coating.

This utility model relates to the field of automotive painting auxiliary equipment technology, specifically an auxiliary trolley for installing an electrophoresis chamber for automotive pre-painting. It includes a power mechanism, a main frame of the trolley, kick plates, railings, limiting grooves, a railing door, a trolley positioning and locking mechanism, a patterned steel plate, and a lifting mechanism. The power mechanism is located on both sides of the main frame of the trolley. The railings are fixed along the four perimeters of the main frame, and the kick plates are fixed around the perimeter of the railings. A railing door is located on one side of the railing above one set of power mechanisms. Four trolley positioning and locking mechanisms are respectively located on the main frame of the trolley. Each railing corresponding to a positioning and locking mechanism has a limiting groove. The patterned steel plate is fixedly laid on the upper surface of the main frame of the trolley. The lifting mechanism is located inside the installation auxiliary trolley. This utility model allows for rapid movement and changes in the construction area, greatly shortening the work surface transfer time and improving installation efficiency. It is faster and more labor-saving than manual handling.
Owner:DESIGN INST NO 9 MINISTRY OF MECHINE BUILDING

Viscosity detection equipment and method applied to production of coating for automotive upholstery

The invention relates to the technical field of automobile coating detection, and discloses a viscosity detection device and method applied to automobile interior trim part coating production, the viscosity detection device applied to automobile interior trim part coating production comprises a base, a viscometer mounted on the base, and a fixing frame fixedly mounted on the base, a hopper is arranged at the upper end of the fixing frame, a limiting barrel is axially arranged in the hopper, a flow guide rod is movably sleeved with the limiting barrel, a buoyancy barrel is fixedly connected to the lower end of the flow guide rod, and a plurality of slow flow layering pieces and a directional flow guide piece are arranged on the inclined face of the buoyancy barrel. The buoyancy cylinder is matched with the slow flow layering part, on one hand, the flow velocity of the coating can be reduced, and the coating is prevented from entraining air to enter the detection cup due to too high flow velocity, and on the other hand, the slow flow layering part enables the coating to form differentiated flow, generate shearing force and turbulent flow, extrude and promote bubbles to be separated upwards, so that original bubbles in the coating are discharged. The viscosity detection accuracy of the coating is improved.
Owner:KUNSHAN HUAXIN CHEMICAL CO LTD

Reflective heat-insulation coating as well as preparation method and application thereof

The invention belongs to the technical field of automobile coatings, and discloses a reflective heat-insulating coating as well as a preparation method and application thereof. The reflective heat-insulation coating provided by the invention comprises modified acrylic resin, reflective heat-insulation filler and an ultraviolet light absorber according to a specific mass ratio, and optional auxiliaries such as pigment and a defoaming agent. The modified acrylic resin can form a strong combination effect with hollow glass beads and titanium dioxide in the reflective heat insulation filler through multiple modes such as non-covalent combination, space winding and physical barrier, and has excellent compatibility with other components in the coating; according to the present invention, the compactness of the film layer obtained after the reflective thermal insulation coating film forming and the adhesion with the cold-rolled steel sheet surface are effectively improved, and the film layer has advantages of excellent reflective thermal insulation effect, excellent durability and excellent salt spray resistance, can well meet the requirements of automobiles in the long-term use process, and has excellent application prospects.
Owner:SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD

Wet-on-wet water-based automobile intermediate coating based on interface self-strengthening and multi-network cooperation as well as preparation method and application of wet-on-wet water-based automobile intermediate coating

The invention belongs to the technical field of automobile coatings, and particularly relates to a wet-on-wet water-based automobile intermediate coating based on interface self-strengthening and multi-network cooperation as well as a preparation method and application of the wet-on-wet water-based automobile intermediate coating. The water-based paint is composed of the following components: a water-based main resin system, amino resin, an aqueous solution of ammonium zirconium carbonate, a polyethylene glycol-block-polycaprolactone-urea-based copolymer, a flash-dry wax emulsion, a volatile pH regulator, a solvent, an auxiliary agent, a water-based color paste and water. According to the intermediate coating disclosed by the invention, the temperature-sensitive characteristic of ammonium zirconium carbonate is utilized, an ionic cross-linked network is quickly formed during flash drying, the wet film strength is instantly improved, and the problems of bottom biting, color bleeding and the like are fundamentally prevented. Through the chemical crosslinking of the amino resin and the dynamic hydrogen bond network cooperation of the temperature-sensitive hydrogen bond enhancer, the paint film has high hardness, chemical resistance, excellent flexibility and excellent stone impact resistance at the same time. The flash-dry wax emulsion forms a net on the surface of a paint film, so that the scratch resistance is improved; and during baking, melting and interpenetrating with the upper and lower coatings to form a reinforced interface to lock the interlayer adhesive force.
Owner:SHANDONG JIAMEITAI NEW MATERIAL CO LTD

Primer for nylon and polyphenyl ether composite material and preparation method thereof

The invention relates to the technical field of automobile coatings, in particular to a primer for a nylon and polyphenyl ether composite material and a preparation method of the primer. The primer comprises the following components in parts by weight: 30-40 parts of hydroxy acrylic resin, 1-5 parts of amorphous polyester resin, 1-5 parts of a dispersing agent, 0-1 part of an anti-settling aid, 0-1 part of a flatting agent, 0-1 part of carbon black, 5-20 parts of titanium dioxide, 5-10 parts of filler and 20-40 parts of a solvent. Compared with the prior art, through the synergistic effect of the hydroxy acrylic resin and the amorphous polyester resin, the adhesive force of the primer to a nylon and polyphenyl ether composite material base material is remarkably improved, and particularly, the high-pressure water washing resistance is greatly improved; the key technical problem that the adhesive force of the coated composite material does not reach the standard is effectively solved.
Owner:DONGLAI COATING TECH SHANGHAI

Automobile coating wash resistance performance tester and method

The present application relates to the technical field of automobile paint testing, in particular to a kind of automobile paint wash resistance tester and method, including test table, clamping part and testing mechanism.The present application is installed with flushing assembly and scrubbing assembly by plug-in installation mode, for simulating the real use situation of automobile coating, the angle of flushing and scrubbing is adjusted by angle adjusting part, the height during testing is adjusted by distance adjusting part, and multiple control groups are set at the same time for comparison test, and different angle flushing and scrubbing and different height flushing situation are simulated, to ensure the reliability of test result data, a variety of different situations are tested at one time by multiple quick-release installation and control test process, and the convenience of test process is improved.
Owner:HUATU CHEM (JILIN) CO LTD

A high-solids-content silicon-containing multi-arm star-shaped hydroxyl polyester for antifouling automotive coatings and its preparation method

PendingCN122302244AEpoxyPolyester
This invention discloses a high-solids-content silicon-containing multi-arm star-shaped hydroxyl polyester for antifouling automotive coatings and its preparation method. The preparation method includes the following steps: mixing 1,3-dihydroxymethylurea, polyol, and caprolactone, adding an acid catalyst for reaction, and after the caprolactone has completely reacted, adding a single-ended epoxy-based polysiloxane and a cationic ring-opening catalyst dropwise. After the addition is complete, the reaction continues until the epoxy value decreases to below 1% of the initial value. Then, distilled water is added to decompose the cationic ring-opening catalyst. The mixture is then distilled under high vacuum conditions and cooled before being discharged to obtain the high-solids-content silicon-containing multi-arm star-shaped hydroxyl polyester. The high-solids-content silicon-containing multi-arm star-shaped hydroxyl polyester of this invention has advantages such as long activation period, low application viscosity, high application solids content, good chemical resistance of the coating film, fluorine-free properties, and good stain resistance when applied to polyurethane coatings.
Owner:YINGDE BOTE CHEM INDAL +1

Automobile coating electrophoresis overturning clamp and using method

The invention provides an automobile coating electrophoresis overturning clamp and a using method, the automobile coating electrophoresis overturning clamp comprises a regulation and control unit and mounting frame shells, three mounting frame shells distributed up and down are arranged on one side of a fixed frame shell, the mounting frame shell located in the center is connected with one side of the fixed frame shell, and the two mounting frame shells located on the upper side and the lower side are both in transmission connection with a distance control assembly; the regulation and control unit is arranged in an inner cavity of the fixed frame shell. Through the arrangement of the regulation and control unit, the distance between every two adjacent mounting frame shells can be adjusted, so that the distance pressed by the corresponding clamping part can be adjusted, the clamping part can be vertically adjusted, the clamping part can be transversely adjusted through the translation assembly, the position adjustment range of the clamping part is large, and the clamping part can be conveniently adjusted. And for automobile parts with large sizes or different shapes, stable clamping is facilitated, the automobile coating quality is improved, and the application range of the clamp is expanded.
Owner:DALIAN HUATAICHEN SCI & TECH SERVICE CO LTD

Automobile ornament surface ice pattern coating as well as preparation method and application thereof

PendingCN121064731ACoatingsAutomotive coatingNano crystalline
The invention discloses an automobile ornament surface ice pattern coating, a preparation method and application, and relates to the technical field of automobile paints.The automobile ornament surface ice pattern coating is prepared from a water-based acrylic acid-organosilicon copolymer, a nanocrystal template agent, low-temperature phase-change filler, inorganic structural color paste, an environment-friendly pattern forming solvent and a nanocellulose flexibilizer; the coating is prepared and applied based on the components. A low-Tg gradient film forming system is constructed by adopting a water-based acrylic acid-organosilicon copolymer, a nanocrystal template agent and a low-temperature phase-change filler are cooperatively introduced, generation of dendritic ice crystals is induced through freezing at-10 DEG C, a concentration gradient is formed in combination with an environment-friendly texture forming solvent, and finally, textures are fixed and locked through stepped curing and UV strengthening, so that the high-temperature-resistant texture coating is obtained. According to the present invention, the real ice flower texture with the fractal dimension of more than or equal to 1.75 and the texture depth of 15-35 [mu] m is constructed on the ABS / PC substrate surface, the VOC content of the coating material is less than 35 g / L, the curing temperature does not exceed 60 DEG C, and the thermal sensitive substrate does not warp.
Owner:广东安捷伦新材料科技有限公司

Waterborne color paint, method for preparing the same, automobile coating, and automobile

This application provides a water-based paint, its preparation method, an automotive coating, and an automobile. By weight, it comprises the following components: 5-30 parts of a water-based polyester-modified acrylic resin secondary dispersion, 20-50 parts of a water-based hydroxyl acrylic resin secondary dispersion, 5-15 parts of a water-soluble acrylic resin, 5-15 parts of an acrylic-modified polyester dispersion, 8-13 parts of an amino resin, 1-2 parts of a dispersant, 2-6 parts of an additive, 5-20 parts of a pigment, 1-5 parts of a solvent, and 15-25 parts of water; wherein the hydroxyl content in the solution of the water-based hydroxyl acrylic resin secondary dispersion is 2.5%-5% by weight, and the hydroxyl content in the solution of the water-based polyester-modified acrylic resin secondary dispersion is 3%-5% by weight. The water-based paint of this application, with its components working synergistically, produces a water-based color paste with excellent hardness, gloss, and resistance to gasoline, water, damp heat, and salt spray.
Owner:HUNAN XIANGJIANG GUANXI COATINGS (CHANGSHA) CO LTD

Preparation method and application of high-bird droppings-resistance coating varnish for automobiles

The invention discloses a preparation method and application of high bird droppings resistant coating varnish for automobiles, and belongs to the technical field of automobile coatings. The high-performance single-component solvent type varnish is prepared by constructing a special'acrylic resin-amino resin-blocked isocyanate 'ternary cross-linked network and introducing functional resin containing a carbamate bond (-NH-CO-O-) as an acid-resistant modified component. The method comprises the following steps: firstly, constructing a basic cross-linking system through pre-dispersion of multi-component resin, and then, carrying out synergistic compounding and regulation by utilizing auxiliaries such as a flatting agent and a drier, so as to finally prepare a finished product. According to the varnish, the high chemical inertness of carbamate bonds is utilized, the resistance of a paint film to acidic substances in bird droppings is remarkably improved, the bird droppings resistance level is Rbd2 level or above, and meanwhile the construction convenience of a single-component system is kept.
Owner:SHANDONG JIAMEITAI NEW MATERIAL CO LTD

Automobile coating filtering structure

ActiveCN120838042AMoving filtering element filtersAutomotive coatingControl theory
The invention discloses an automobile coating filtering structure, and relates to the technical field of automobile coating, the automobile coating filtering structure comprises a bag type filtering mechanism, the bag type filtering mechanism comprises a filtering bin, a connecting mechanism is arranged on the filtering bin, a supporting mechanism is arranged on the connecting mechanism, and the connecting mechanism is used for connecting the filtering bin and the supporting mechanism; and a guide hopper for guiding the coating fed from the feed port to flow into the filter bag is arranged in the filter bin. The device has the advantages that the side supporting assemblies are matched with the filter bag, the wave strip sets are adjusted to be properly and intermittently attached to the side wall of the filter bag, the driving ring drives the filter bag to rotate, the rotation of the filter bag is beneficial to continuously changing the feeding position of paint, and the supporting mechanism is matched with the filter bag, so that the feeding position of the paint can be continuously changed in the up-down moving process of the filter bag and the upper supporting piece; the filter bag vibrates up and down, the upper supporting piece continuously supports the bottom of the filter bag, the lower portion of the filter bag is prevented from collapsing, and the upper supporting part of the filter bag is prevented from stress concentration in the high-pressure, high-flow or up-and-down moving process.
Owner:HUATU CHEM (JILIN) CO LTD

UV curing resin and preparation method thereof

The invention relates to the field of resin, in particular to UV curing resin and a preparation method thereof, and the UV curing resin comprises the following raw materials in parts by weight: 30-50 parts of NEBA, 50-70 parts of IBOA, 1-5 parts of a photoinitiator and 0.1-2 parts of nano silicon dioxide dispersion liquid. NEBA and IBOA are combined in a chemical copolymerization mode, a rigid-flexible synergistic cross-linked network is constructed, the prepared finished product has high cross-linking density, ultralow shrinkage rate and excellent optical performance, indexes such as hardness, solvent resistance and light transmittance are remarkably superior to those of products in the existing market, and the product is suitable for the fields of precise optical elements, electronic packaging, automobile coatings and the like and has wide application prospects. The finished product can be directly applied to existing UV coating equipment, extra investment is not needed, and the process compatibility is high.
Owner:JIANGXI JUSONG TECHNOLOGY CO LTD

Automotive body composite coating, coating methods for vehicles and automotive body composite coatings

PendingCN122538417AAutomotive coatingLight penetration
This invention provides a composite coating for a vehicle body, a vehicle, and a method for applying the composite coating, relating to the field of vehicle painting technology. The composite coating includes a primer layer, a first clear coat layer, a colored clear coat layer, and a second clear coat layer, arranged sequentially from the inside out. By applying the technical solution of this invention, and by sequentially arranging a topcoat layer, a first clear coat layer, a colored clear coat layer, and a second clear coat layer in the vehicle body coating from the inside out, orderly light penetration, selective coloring, and high-fidelity reflection are achieved in the multi-layer structure. This results in a deep, transparent color and a rich, crystal-like texture, solving the technical problem of flat color caused by traditional automotive coatings using only a single layer of clear coat.
Owner:CHERY AUTOMOBILE CO LTD

Water-based wear-resistant automobile coating and preparation method thereof

The invention discloses a water-based wear-resistant automobile coating and a preparation method thereof, and belongs to the technical field of automobile coatings. The preparation method comprises the following steps: carrying out surface treatment on cellulose to endow nanocellulose with modifiability and functionality, oxidizing by using sodium periodate, grafting by using glutaraldehyde to introduce an aldehyde group structure, and introducing L-lysine to further graft and modify to obtain carboxyl grafted nanocellulose, and carrying out ring opening esterification on the carboxyl grafted nanocellulose and an epoxy group of epoxy resin to obtain the epoxy resin modified nanocellulose. The nano cellulose and the epoxy resin are firmly attached through an intermolecular acting force, so that the wear resistance is improved; furthermore, the copper-based coated nano filler is prepared, so that the wear resistance of the coating is enhanced; in addition, nano cellulose with a double-amino structure is introduced to be firmly combined with the metal-based nano filler through adsorption force, so that the nano filler is prevented from sliding when a paint film is rubbed.
Owner:YINGDE YAKAI HIGH-TECH MATERIALS CO LTD

Stain-resistant automotive interior finish paint and preparation method thereof

The invention discloses a stain-resistant automobile interior finish paint and a preparation method thereof, and belongs to the technical field of automobile paints. The stain-resistant automotive interior finish paint comprises a component A and a component B, the molar ratio of hydroxyl in the component A to isocyanate in the component B is 1: (1-1.5), and the component A comprises modified hydroxyl acrylic resin, modified nano silicon dioxide, a water-based wetting agent, a water-based dispersing agent, pigment filler, deionized water, a neutralizer and a hydrophobic modifier octafluoropentanol; the component B adopts water dispersible polyisocyanate; wherein the modified hydroxy acrylic resin is obtained by modifying methyl methacrylate, n-butyl acrylate, hydroxypropyl acrylate, 4-chlorobutyl acrylate, methacrylic acid, allyloxy isomeric alcohol ether sulfate ammonia salt and a macrocyclic high steric hindrance functional monomer; the macrocyclic functional monomer with high steric hindrance comprises 4-ethylene-2-hydroxybenzoic acid N-vinyl imidazole; the modified nano silicon dioxide is prepared from ethyl orthosilicate, phenyltrimethoxysilane and trimethylethoxysilane by adopting a Stber method.
Owner:JIANGYIN RONGXIN PLASTICIZING CO LTD

Hydroxypropyl dispersion with stable pH-viscosity as well as preparation method and application thereof

The invention provides a hydroxypropyl dispersion with stable pH-viscosity as well as a preparation method and application thereof. The hydroxypropyl dispersion is prepared from the following raw materials: 37.27-49.03 g of deionized water; the coating is prepared from 32.37 g to 44.27 g of hydroxy acrylic resin, 1.36 g to 2.67 g of neutralizer and 15.93 g of organic solvent. Wherein the chemical structure of the hydroxy acrylic resin is composed of an inner core A and a shell B, the mass ratio of the inner core A to the shell B is (26.56-34.38): (4.43-9.89), and the glass transition temperature (Tg) of the inner core A is larger than or equal to 25 DEG C. When the hydroxypropyl dispersion with stable pH-viscosity provided by the invention is stored for a long time, the pH value can still be kept stable and does not fluctuate greatly; in a high pH value environment, the hydroxypropyl dispersion has lower viscosity responsiveness; and in the field of single-coating automobile coatings, the construction window of sagging limit and hole burst limit is remarkably improved, and due to the excellent performance of adhesive force, gloss, flexibility and weather resistance, the single-coating automobile coating has higher formula adaptability.
Owner:SHANGHAI KINLITA CHEMICAL CO LTD

An automobile coating production system

The utility model discloses a kind of automobile coating production systems, belong to coating production field, sequentially including premixing system, grinding system, paint mixing system and filtering system, premixing material discharge pipe is connected with the feed inlet of grinding system, grinding fine slurry discharge pipe is connected with the first paint mixing feed inlet of paint mixing system, paint mixing discharge pipe is connected with the feed inlet of filtering system, premixing pigment feed pipe is connected with first tubular screw conveyor, premixing filler feed pipe is connected with second tubular screw conveyor.The utility model can realize continuous production, product uniformity is better, avoid the problem that product is uneven and leads to poor quality.
Owner:SICHUAN AOBEILONG NEW MATERIAL TECH CO LTD

Ultra-fast-drying acrylic resin for automobile coating and preparation method of ultra-fast-drying acrylic resin

The invention belongs to the field of automobile coatings, and particularly relates to an ultra-fast-drying acrylic resin for an automobile coating and a preparation method of the ultra-fast-drying acrylic resin for the automobile coating, and the ultra-fast-drying acrylic resin for the automobile coating comprises the following components in parts by weight: 25-35 parts of an organic solvent; 5 to 15 parts of methyl methacrylate; 5 to 15 parts of isobornyl methacrylate; 25 to 35 parts of styrene; 5 to 15 parts of tert-butyl acrylate; 10 to 20 parts of hydroxyethyl methylacrylate; 1-5 parts of a ureido functional acrylate monomer; and 2-6 parts of an initiator. By introducing the ureido functional acrylate monomer, the cross-linking speed of the hydroxy acrylic resin and the isocyanate curing agent can be remarkably improved, and the drying time of a coating film is shortened.
Owner:HANG CHEUNG COATINGS (HUI YANG) LTD

Automobile coating scrubbing resistance tester and method

The invention relates to the technical field of automobile coating testing, in particular to an automobile coating scrubbing resistance tester and method, and the automobile coating scrubbing resistance tester comprises a test board, a clamping part and a test mechanism. The washing assembly and the scrubbing assembly are installed in an inserting mode and used for simulating the real use condition of an automobile coating, the angle adjusting part is used for adjusting the washing and scrubbing angles, the distance adjusting part is used for adjusting the height during testing, and meanwhile multiple groups of control groups are set for comparison testing; meanwhile, flushing and scrubbing at different angles and flushing at different heights are simulated, so that the reliability degree of test result data is ensured, tests of various different situations are completed at a time through multiple groups of quick disassembly and installation and comparison test processes, and the convenience of the test process is improved.
Owner:HUATU CHEM (JILIN) CO LTD

Preparation method and application of a high bird droppings resistant topcoat for automobiles

ActiveCN121736574Bhigh densitySolve acid corrosion pain pointsCoatingsCarbamateAcrylic resin
This invention discloses a method for preparing and applying a high-bird-drop-resistant clear coat for automobiles, belonging to the field of automotive coating technology. This invention constructs a special ternary crosslinking network of "acrylic resin-amino resin-blocked isocyanate" and introduces a functional resin containing urethane bonds (-NH-CO-O-) as an acid-resistant modifying component to prepare a high-performance single-component solvent-based clear coat. The method first constructs a basic crosslinking system through the pre-dispersion of multiple resins, then uses leveling agents, drying agents, and other additives for synergistic compounding and regulation, finally obtaining the finished product. The clear coat of this invention utilizes the high chemical inertness of urethane bonds to significantly improve the paint film's resistance to acidic substances in bird droppings, achieving a bird dropping resistance rating of Rbd2 or higher, while maintaining the ease of application of a single-component system.
Owner:SHANDONG JIAMEITAI NEW MATERIAL CO LTD

pigment

PendingJP2026137679APlastics industryAutomotive coating
To provide a pigment exhibiting a dark grayish-black pearlescent effect or a metallic dark blue / green pearlescent effect with high gloss and high opacity. [Solution] The present invention relates to pigments based on particles coated with at least one layer consisting of a mixture of amorphous carbon (aC) and nanocrystalline graphite (nc-graphite), and to the use of these pigments in paints, plastics, industrial coatings, automotive coatings, printing inks and cosmetic formulations.
Owner:SUSONITY COMMERCIAL GMBH

A nozzle and adhesive spraying device for automotive body painting.

ActiveCN224271878ULiquid surface applicatorsCoatingsAdhesiveAutomotive coating
This application relates to a nozzle and adhesive spraying device for automotive body painting, belonging to the technical field of automotive coating equipment. It includes a nozzle body with a fan-shaped diffusion cavity inside. One end of the nozzle body has a feed channel communicating with the small end of the fan-shaped diffusion cavity, and the other end has an outlet communicating with the large end of the fan-shaped diffusion cavity. The outlet is an arc-shaped slit with the same curvature as the large end of the fan-shaped diffusion cavity, and the symmetry plane of the outlet coincides with the symmetry plane of the fan-shaped diffusion cavity. Because the arc-shaped slit outlet has the same curvature as the large end of the fan-shaped diffusion cavity, and the symmetry plane of the outlet coincides with the symmetry plane of the fan-shaped diffusion cavity, the flow direction of the adhesive at the slit outlet matches the expansion direction of the fan-shaped diffusion cavity. This reduces the accumulation or turbulence of the adhesive at the edge of the outlet, making the travel of the adhesive strip sprayed from any position of the outlet more consistent and the thickness uniform, meeting process requirements.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Recycles containing polypropylene compositions for automotive interior applications

PendingCN121263480APolymer scienceAutomotive coating
The present invention relates to a polypropylene composition (PC) and an article comprising the polypropylene composition (PC), the polypropylene composition (PC) being a hybrid plastic polypropylene blend containing recycled material and comprising inclusions attributable to automotive coatings.
Owner:BOREALIS AG

A weather-resistant enhanced nanocomposite automotive coating method

PendingCN122352527APolyesterWeather resistance
This invention relates to the field of automotive surface treatment technology and discloses a method for enhancing the weather resistance of nanocomposite automotive coatings. This method aims to address the defects of existing nanocoatings, such as stress imbalance, brittle cracking, and photo-induced oxidative degradation. It is characterized by comprising: preparing nanoparticles with an inorganic oxide core and a flexible polyorganosiloxane shell; constructing a hybrid additive containing doped cerium dioxide and a hindered amine stabilizer; constructing a multi-level interwoven film matrix using fluorinated modified resin and branched polyester; and achieving a continuous gradient distribution of coating modulus through gradient modulus control technology. Through the above scheme, this application achieves stress buffering between the inorganic hard core and the organic matrix, suppresses photocatalytic activity, and significantly enhances the coating's high and low temperature resistance, mechanical strength, and long-term weather resistance stability.
Owner:RUIHONG PRECISION TECHNOLOGY (DONGGUAN) CO LTD

A method for manufacturing a phase change heat insulation automobile coating

The application discloses a kind of preparation methods of phase change heat insulation automobile paint, belong to coating preparation technical field, including automobile paint, automobile paint includes thermosetting hydroxyl acrylic resin, heat insulation microparticle, coating solvent, diluent, dispersing agent, rheological aid, leveling agent, ultraviolet absorber;The preparation method includes the following steps: S1, the core layer microparticle is prepared by mixing reflective microparticle and phase change material heated to molten state, S2, the oil phase of methyl methacrylate, core layer microparticle, oil phase solvent, initiator, which is mixed with the water phase of deionized water, emulsifier, is made into emulsion, and the heat insulation microparticle is obtained by heating emulsion and reacting, S3, coating solvent, diluent, thermosetting hydroxyl acrylic resin, heat insulation microparticle, dispersing agent, rheological aid, leveling agent, ultraviolet absorber are sequentially mixed and stirred uniformly to obtain automobile paint;The automobile paint of the application can improve the heat insulation effect of automobile and slow down the amplitude of the temperature rise in the automobile.
Owner:SHENZHEN HUATU TECH CO LTD

An angle-adjustable coating equipment

ActiveCN224332479USpraying apparatusAutomotive coatingMechanical engineering
This utility model discloses an adjustable-angle coating device, comprising: a closed coating chamber, wherein several paint tanks are symmetrically distributed in a cross shape on the inner center of the closed coating chamber, and the opposite sides of each paint tank are fixedly connected to the closed coating chamber. One-way valves are symmetrically mounted on the opposite sides of each paint tank, and guide pipes are fixedly connected to the opposite ends of each one-way valve. Elliptical clamps are fixedly connected to the opposite ends of each guide pipe. The opposing elliptical clamps provide a horizontal elastic clamping operation for the automotive coating panel, allowing for quick insertion and vertical mounting without abrading the outer surface of the panel. Simultaneously, the guide pipes, in conjunction with the paint tanks, inject paint into the clamps, ensuring that the contact area with the panel is also coated with paint, avoiding common clamping dead angles that affect coating uniformity and prolong coating time.
Owner:青岛华磊真空镀膜有限公司