233 results about "Automotive coating" patented technology

The present invention provides for an etch and mar resistant low VOC clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automotive coatings. The coating composition includes isocyanate, carbonate and melamine components. The isocyanate component includes an aliphatic polyisocyanate. The composition may be formulated as a two-pack or one-pack coating composition, wherein the isocyanate functionalities are blocked with a blocker such as a mono-alcohol.

Disclosed herein is a substrate comprising a coating composition of silica nano-particles having enhanced mar and scratch resistance. In particular, the invention relates to a coating composition that contains silica nano-particle dispersion for use in automotive coating applications.

Disclosed is an acrylic pressure-sensitive adhesive composition that gives a pressure-sensitive adhesive layer exhibiting superior adhesiveness even to coatings, which are likely to cause low adhesion due to bleeding typically of a surface conditioner, without requiring, for example, washing process.The acrylic pressure-sensitive adhesive composition contains a vinyl monomer or a partial polymer thereof (a); and a (meth)acrylate co-oligomer (b), in which the vinyl monomer contains, as a main component, an alkyl(meth)acrylate monomer (a1) having an alkyl group with 2 to 14 carbon atoms, and the (meth)acrylate co-oligomer (b) has a weight-average molecular weight of from 1000 to 30000 and contains, as monomer components, 96 to 99.5 percent by weight of an alkyl(meth)acrylate (b1) and 0.1 to 4 percent by weight of a (meth)acryloyl group-containing silicone oil (b2).

The invention belongs to the technical field of water-based polyurethane paints, and discloses a water-based polyurethane paint containing a polyether glycol / nano TiO2 hybrid material, and a preparation method and application thereof. The paint comprises the following components in parts by mass: 25-75 parts of polyether glycol / nano titanium dioxide hybrid material, 15-65 parts of diisocyanate, 100 parts of polyether glycol, 8-16 parts of polyhydroxy-carboxylic acid, 0.05-0.5 part of organo-metallic catalyst, 0.5-10 parts of crosslinking agent, 6.2-12.4 parts of neutralizer, 1-8 parts of chain extender and 0.2-2.0 parts of defoaming agent. The paint enhances the compatibility between the nano titanium dioxide and polyurethane base, has the advantages of favorable thermal properties, favorable mechanical properties, favorable wear resistance and excellent ultraviolet resistance, and can be widely used in the fields of architectural paints, automobile paints, wood paints, electrodeposition paints, paper conditioning paints, glass fiber paints, electrophoretic paints and the like.

A high-volume, low-pressure(HVLP) spray gun coupled with quick connect ring nut and a spring-loaded air diverter and a method for assembling the same applies, for example, non-latex paints, such as, for example, automobile paints, thinner-based paints and / or the like to surfaces. A barrel attaches to a body of the spray gun which has an air cap attached to a ring nut with a retaining ring and the spring-loaded air diverter. The air diverter then abuts the air cap. The diverter has intermediate channels therein. A trigger engages a two-stage air bypass valve which allows air from an air source to move through a bypass channel, a top channel and / or diverter channels to exit through a pair of diverter orifices and an opening in the air cap. The air atomizes the paint in a nozzle channel of the gun and exits the opening in a conically diverging spray pattern. The air from the diverter orifices forces the diverging spray pattern into a different spray pattern.

Asymmetrical bis benzotriazoles of the formula Iwhere G2' is perfluoroalkyl of 1 to 12 carbon atoms, preferably CF3, and where G2 does not contain said group are red-shifted and due to the asymmetry are particularly soluble and useful in a host of applications including automotive coatings, thermoplastics and especially in adhesive compositions, themselves useful in solar panels and other laminate structures.

The present invention relates to black pigment compositions comprising(a) carbon black, and(b) a compound of the formula(MO3S)m-Q(CH2)k—X]n,  (I)whereinQ is a pigment or pigment intermediate radical selected from the group of anthraquinone, perinone, perylene, diketopyrrolopyrrole, thioindigo, iminoisoindoline, iminoisoindolinone, quinacridone, 6,13-dihydroquinacridone, flavanthrone, dioxazine, indanthrone, anthrapyrimidine and quinophthalone,X is a cyclo hetero aliphatic group with at least one 5 or 6 atom ring or a hetero aromatic group with at least one 6 atom ring,M is hydrogen, a metal cation or nitrogen cation,k is 0 or 1, andm and n are each independently of the other from 0 to 4, wherein 0 and 4 are not simultaneously 0.Compositions are useful for coloring high molecular weight material, like inks, plastics and in particular automotive coatings.

The invention relates to paint, in particular to waterborne metal flashing paint and a preparation method thereof. The invention particularly relates to waterborne acrylic resin metal flashing paint which has a core-shell structure containing a chelation group, and is particularly applicable to automotive coatings. The flashing paint combines the advantages of the core-shell structure and an acetyl acetoxyl functional group, so that the disadvantage of high volatile organic compound (VOC) emission of the conventional solvent-based metal flashing paint is overcome; the sagging resistance, solid content and metal flashing property are improved; and the metal flashing paint is well matched with overcoat varnish.

The invention discloses a making method of scraping-proof, stone-impacting resistant aqueous nanometer automobile paint in the chemical paint making technical domain, which comprises the following parts: 60-70% paint filming base, 5-15% nanometer powder, 20-25% solvent water and 0.5-1.0% adjuvant, wherein the adjuvant contains thickener, dispersant, defoamer and filming agent; the weight rate of crosslinking agent and nanometer emulsion is 0.9:1-1:1; the crosslinking agent is chemical material of melamine type; the scraping-proof index of paint layer can be 96-99% (displayed by glass keeping rate).

The present invention provides for a clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automotive coatings. The coating composition includes isocyanate and melamine components. The isocyanate component includes an aliphatic polyisocyanate. The composition may be formulated as a two-pack or one-pack coating composition, wherein the isocyanate functionalities are blocked with a blocker such as a mono-alcohol.

The invention provides an automobile anticorrosive coating with a self-recovery function and application thereof and belongs to the field of automobile anticorrosive materials. In the automobile anticorrosive coating, self-recovery microcapsules are uniformly dispersed between an intermediate coat and a primer of an automobile coating so as to form the anticorrosive coating, of which the structure is similar to a sandwidge structure. Microcracks can be easily formed in the automobile coating due to influence of factors such as physical impact, temperature change, aging and the like on the automobile coating during long-time use; the self-recovery microcapsules embedded in the coating are damaged by an outer force; released core materials can directly generate crosslinking polymerization reaction with oxygen in the air without catalyst so as to recover the microcracks to prevent further corrosion on the metallic surface; and the automobile anticorrosive coating can be widely applied to self-recovery of automobile industrial anticorrosive coatings.

The invention discloses a nano waterborne automotive coating and a preparation method thereof. The formula of the coating comprises 45 to 55 parts of waterborne polyurethane resin, 1 to 5 parts of nano titanium dioxide slurry, 2 to 4 parts of aid, 15 to 20 parts of pigment, 5 to 10 parts of filler, and 8 to 15 parts of solvent (water). The preparation method comprises the following steps of: proportioning the raw material, dispersing and grinding to the fineness being less than 20 microns to obtain a component A; preparing a component B from a hydrophilic polyisocyanate curing agent; and mixing and curing the component A and the component B to prepare the waterborne automotive coating. The coating has the advantages of bright color, impact resistance, ultraviolet resistance, environment friendliness, economical efficiency and energy conservation.

A method and system are provided for dispensing a colored polymerizing composition. Two reactive components and one color component are pumped from respective containers at a metered volume. The color component, which is preferably a low-viscosity automotive paint is injected into either the first or second stream of reactive component at a point immediately prior to mixing all components in a dispensing device for dispensing the resulting colored fluid mixture onto a surface to be coated. The mixture may be dispensed by pouring or spraying onto the surface. The method and system are particularly useful for mixing and dispensing colored polyurethane or polyurea coatings, such as for spray-on truck bed liners.

Disclosed is a pressure-sensitive adhesive sheet to be applied to a surface-conditioner-bearing surface of a vehicle coating. The sheet includes an acrylic pressure-sensitive adhesive layer (Y) as a pressure-sensitive adhesive layer to be in contact with the surface of the vehicle coating. The layer (Y) has been polymerized from an acrylic pressure-sensitive adhesive composition through the application of active energy rays, the composition includes a vinyl monomer mainly containing an alkyl (meth)acrylate (a1) whose alkyl moiety having 2 to 14 carbon atoms, or a prepolymer thereof (a); an active-energy-ray-activatable polymerization initiator (b); a multifunctional (meth)acrylate (c); and a (meth)acrylate oligomer (d) having a weight-average molecular weight of 1000 to 30000 and containing 1 to 50 parts by weight of a rosin-modified (meth)acrylate (d1) per 100 parts by weight of total monomer components. The pressure-sensitive adhesive sheet exhibits high bond strengths even to surface-conditioner-bearing surfaces of automotive coatings without being reduced in bond strength by the surface conditioner.

The present invention is directed to a monitoring device used for producing a target composition, such as an automotive paint or an architectural paint and a monitoring device used therein. The device includes (A) a client computer usable storage medium located in a client computer, and a host computer usable storage medium located in a host computer in communication with said client computer; and (B) means for dispensing required items for making a desired amount of said target composition, said means for dispensing being in communication with said client computer, said host computer, or said client and said host computer; wherein said client computer usable storage medium, host computer usable storage medium, or said client computer usable storage and said host computer usable storage media have computer readable program code means residing therein for monitoring production of a target composition. The computer readable program code means include (I) means for configuring computer readable program code devices to cause said client computer or said host computer to identify one or more formulas associated with identification criteria of said target composition, said formula providing a required inventory for making said desired amount of said target composition; (II) means for configuring computer readable program code devices to cause said client computer or said host computer to generate a current inventory; (III) means for configuring computer readable program code devices to cause said client computer or said host computer to compare said current inventory against said required inventory to ascertain whether said current inventory fulfills said required inventory; (IV) means for configuring computer readable program code devices to cause said client computer or said host computer to generate a supplementary inventory if said current inventory partially fulfills said required inventory; (V) means for configuring computer readable program code devices to cause said client computer or said host computer to dispense through said means for dispensing said required items listed in said required inventory from current items listed in said current inventory, supplementary items listed in said supplementary inventory, or a combination thereof to make said desired amount of said target composition; and (VI) means for configuring computer readable program code devices to cause said client computer or said host computer to generate an updated inventory. The device can be also used to control the inventory by shipping just in time any components required to produce target compositions, such as refinish tints used in automotive refinish paints.

The presently claimed invention provides a metal-free and low stress thick film of diamond-like carbon (DLC). The diamond-like carbon layer of the present invention has a wide range of applications such as automotive coating, hydrophobic-hydrophilic tuning, solar photovoltaic, decorative coating, protective coating and bio-compatible coating. The presently claimed invention further provides a method and an apparatus to grow a metal-free and low stress thick film of diamond-like carbon by performing deposition and plasma etching to stack more than one diamond-like carbon layers together in the same chamber.

The invention relates to a preparation method of a graphene nanometer material automobile finish. The method combines a novel graphene nanometer material with a traditional automobile finish material to successfully develop a new high-class automobile paint. The graphene nanometer material is composed of graphene slurry, a film forming substance, a color filler, a curing agent, a catalyst and an auxiliary agent; the components are mixed in proportion to interact with each other so as to generate the graphene nanometer material automobile finish. The process is unique, the quality is excellent, the excellent thermal, mechanical and optical properties of the graphene nanometer material are integrated, and super-high thermochemical stability, mechanical property and light transmission property (97.7%) are achieved. The prepared automobile finish has the characteristics of high strength, ultraviolet resistance, oxidization resistance, transparent property, good adhesion, scratch resistance, acid resistance and alkali resistance.

The invention relates to a preparation method and an application of water-based general automobile coating resin, in particular to water-based resin of water-based general automobile coating color paste with excellent wetting property, and discloses improved water-based general automobile coating resin and an application thereof. The water-based resin is good in wettability and compatibility; the one-component or two-component water-based automobile coating is high in storage stability; and the water-based general automobile coating color paste can be quickly air-dried at normal temperature and is convenient for popularization and application.

The invention relates to water dispersible environmentally-friendly nanometer structure automotive finish paint and a preparation method thereof and belongs to the technical field of production of coating. The finish paint consists of water dispersible nanometer polymer emulsion with a grain size of below 100 nanometers, deionized water, a pigment, an inert antirust pigment, an active antirust pigment, a filler, an aid and the like. The water dispersible nanometer polymer emulsion with a grain size of below 100 nanometers consists of hydrophilic acrylate copolymer, hydrophobic polymer, waterproof liquid and deionized water, wherein the hydrophobic polymer is one of polyurethane, unsaturated fatty acid or dry oil-improved polyurethane. The invention has the beneficial effects that the water dispersible environmentally-friendly nanometer structure automotive finish paint has the characteristics of safety, environment friendliness and innocuity; and meanwhile, a formed paint film is very compact, and the water resistance and the protection and decoration effect of formed paint film achieve or exceed those of traditional oily automotive finish paint. The water-dispersible environmentally-friendly nanometer structure automotive finish paint is widely applied to waterborne automotive coating as well as the coating industry, thereby having great application value and market prospect.

The present invention relates to a weldable pre-primed coating composition, comprising binder resins, a crosslinker, an anti-corrosive pigment, conductive metal powder, carbon nanotubes, etc. The coating composition can be applied to a metal sheet before processing of the metal sheet to maximize the weldability, adhesion, corrosion resistance and processability of the metal sheet. Also, the coating composition can be applied to a metal sheet by a roll coating process to make it possible to eliminate not only an existing electrodeposition process which is carried out by a non-environmentally-friendly wet dipping process, but also an existing electrostatic spray primer coating process which is carried out by an electrostatic spray coating process in which a solvent is scattered, whereby the metal sheet coated with the coating composition has very excellent formability and weldability after its processing. Accordingly, the composition makes it possible to reduce the number of complex automotive coating processes, thereby greatly contributing an increase in productivity, a reduction in energy and an improvement in a work environment.

The invention relates to a preparation method of a scratch-resistant and stone-shock-resistant water-based nanometer automotive coating, which belongs to the technical field of chemical coating preparation technology. The invention combines the environmental protection characteristic of low VOC of the water-based paint with the properties of the small size effect and the surface effect of the nano-particles to prepare the scratch-resistant water-based paint. The water-based paint of the present invention has the following composition and weight percentage: paint film-forming base material 60-70%, nano-powder 5-15%, solvent water 20-25%, additive 0.5-1.0%; additive has thickening agent, dispersant, defoamer, and film-forming aid; in addition, a cross-linking agent is used, the amount of which is based on the nanocomposite emulsion, and the ratio is 0.9:1 to 1:1; the cross-linking agent is mainly a melamine-based chemical substance . The scratch resistance index of the paint coating can reach 96-99% (expressed by the gloss retention rate).

The method provides an automobile factory wastewater treatment method. The method comprises 1) classification treatment: classifying wastewater of an automobile plant into phosphating wastewater, paint spraying electrophoresis wastewater and degreasing wastewater, and pretreating the phosphating wastewater and paint spraying electrophoresis wastewater, and 2) comprehensive treatment: mixing the pretreated phosphating wastewater, paint spraying electrophoresis wastewater and degreasing wastewater, adding lime milk to adjust pH to 9-10, adding a coagulant and a flocculant into the mixture, carrying out stirring, taking the supernatant, adding a dilute acid to adjust pH to 8-9, adding the coagulant and flocculant into the mixture, carrying out stirring, carrying out air flotation, adding a dilute acid into the air flotation waste liquid to adjust pH to 6-8, and carrying out biochemical treatment through bacteria. The invention also provides a use of the method in treatment on automotive coating wastewater.

The invention aims to provide a luminous automotive coating wheel hub paint and a preparation method thereof. The wheel hub paint contains luminous powder, methylbenzene, acrylic resin, amino resin, DISPARLON 6900-20X wax liquid, EP-1001 resin, BL-3175 resin, dispersant, S-100 solvent oil, flatting agent, ES-80 conduction accessory ingredient and n-butyl alcohol. The invention has abundant color and special noctilucence effect, has favourable levelling property, film coating property, interlayer mating property and mark covering ability, and can be directly sprayed on aluminum material to obtain favourable salt-resistant mist, CASS and the like; in addition, the invention can adapt to environment without temperature control devices, has favourable electrostatic coating property, environment protection and no radioactivity and can repeatedly glow for a long time.

The invention discloses a preparation method and an application of normal-temperature ketone and hydrazine self-crosslinked nanometer epoxy resin emulsion. The preparation method comprises the following steps: firstly opening a ring of epoxy resin by using lauric acid; consuming away epoxy groups; performing grafting polymerization by using diacetone-acrylamide and an acrylic acid type monomer; neutralizing the emulsion and adding water for dispersion to obtain grafted epoxy emulsion; and adding hexane diacid dihydrazide to prepare normal-temperature self-crosslinked nanometer epoxy resin emulsion. The solid content of the emulsion disclosed by the invention is 45% to 55%; the particle size is 80nm to 100nm; the storage stability is above 6 months; the adhesive force reaches 0-1 grade after the emulsion becomes a film by room temperature curing; the hardness of a pencil is H to 2H; the impact resistance is 50kg.cm to 65kg.cm; the flexibility is 2mm to 3mm; the water resistance is 120h to 150h; and the resistance to 3% NaCl solution is 100h to 180h. The emulsion disclosed by the invention can be widely applied to the fields of water-based anticorrosive paints, water-based wood paints, water-based automobile paints, water-based building paints and the like as base resin.

The invention relates to an automotive coating based on organic fluorine unsaturated polyester resin emulsion and a preparation method of the automotive coating. The automotive coating is composed ofthe following substances in parts by weight: a component A comprising 50-80 parts of organic fluorine unsaturated polyester resin emulsion, 10-15 parts of an active film-forming agent, 0.2-0.5 part ofa cationic surfactant, 0.6-1.2 parts of a dispersing agent, 0.2-0.5 part of a flatting agent, 1-2 parts of a thickening agent, 0.2-0.5 part of an antifoaming agent, 0-10 parts of water-based color paste, 10-35 parts of pigments and fillers, 0.5-0.8 part of an ultraviolet light absorber and 10-30 parts of deionized water; a component B of 5-10 parts of an initiator solution with the mass fractionof 10-20%; and a component C of 4-8 parts of a reducing agent with the mass fraction of 20-40%. The automotive coating disclosed by the invention has the advantages that (1) an unsaturated water-basedresin taking fluorine-carbon bonds as the base is disclosed first, and the automotive coating is excellent in hydrophobic effect, high in corrosion resistance and excellent in antiseptic property; (2) when cured by an oxidation-reduction initiator system, the automotive coating is high in cross-linking degree and hardness; and (3) due to the selected active film-forming agent, the automotive coating is high in film-forming property and difficult to crack.

The present invention is directed to a process for monitoring production of a target composition, such as an automotive paint or an architectural paint and a monitoring device used therein. The process includes (a) identifying one or more formulas associated with identification criteria of the target composition, the formula providing a required inventory for making a desired amount of the target composition; (b) generating a current inventory; (c) comparing the current inventory against the required inventory to ascertain whether said current inventory fulfills said required inventory; (d) generating a supplementary inventory if the current inventory partially fulfills the required inventory; (e) dispensing required items listed in the required inventory from current items listed in the current inventory, supplementary items listed in the supplementary inventory, or a combination thereof to make the desired amount of the target composition; and (f) generating an updated inventory. The process can be also used to control the inventory by shipping just in time any components required to produce target compositions, such as refinish tints used in automotive refinish paints.