68results about "Polyurea/polyurethane coatings" patented technology

The present invention is directed to novel organometallic complexes as catalysts for the reaction of compounds with isocyanate and hydroxyl functional groups to form urethane and/or polyurethane and the process employing such catalysts. More particularly, the present invention is directed to novel complexes of zinc(II) with substituted amidines. These novel catalysts are useful for the production of urethanes and polyurethanes which are important in many industrial applications.

The invention relates to a preparation method of novel cloudy-surface release paper, which comprises the following steps that: a film-coated layer is coated on one side surface of a base release paper, a cementing compound layer is coated on the other side surface of the base release paper after being cooled to obtain a substrate layer to standby use; a layer of cloudy-surface coating agent with the thickness of 0.2 micrometer to 2 micrometers is coated on the surface of a film layer; the cloudy-surface coating agent is radiated by ultraviolet rays to obtain a cloudy-surface coating, and then a layer of mold release agent is coated on the surface of the cloudy-surface coating to obtain a cloudy-surface release layer for standby use; and the cloudy-surface release layer is bonded with the substrate layer. Sine the polyester cloudy-surface coating is firstly coated on the surface of the film layer, a plurality of convex-concave structures are obtained on the surface of the film layer after being processed; and then the silicon release agent coating is coated on the surface of the cloudy-surface coating, the bottom surface of the silicon release agent coating at a liquid state penetrates into concaves on the surface of the polyester cloudy-surface coating and the silicon release agent coating is fixedly connected with the polyester cloudy-surface coating through the concaves after being solidified, so the bonding force is firmer and more reliable.

The invention relates to a preparation method for cathode electrophoresis paint with combined bottom surfaces. The preparation method comprises the following steps of preparing a curing agent, matrix resin, dispersion resin, positive ion acrylic resin, an emulsion I, a positive ion acrylic emulsion, and mill base sequentially, then mixing the mill base, the emulsion I, the positive ion acrylic emulsion and deionized water according to the proportion of 1:(1-2):(3-5):(6-7), regulating the solid content of a paint working solution to be 15%-30%, after 48 hours of circulation, coating through electrophoresis so as to prepare the cathode electrophoresis paint with the combined bottom surfaces. When the cathode electrophoresis paint with the combined bottom surfaces is baked, the epoxy component with strong surface tension is deposited at the under layer, and the crylic acid component with little surface tension is on the surface layer, so that the coating with good corrosion resistance and weather resistance is formed.

The present invention discloses one kind of sandy paint made of color paint flakes. The sandy paint of the present invention has thin and soft color paint flakes added to replace coarse sand, and forms coating with excellent color and layered texture, less roughness surface, capacity of being polished, different colors and granite-like decoration effect.

The invention relates to environmentally-friendly mercerizing polyurethane white paint used for environmentally-friendly woodware and metal, consisting of a component A, a component B and a component C that are mixed evenly by weight ratio that component A: component B: component C is equal to 1: 0.4 to 0.6: 0.5 to 0.6 when in use. The component A is obtained from the following ingredients by weight ratio: coconut oil alkyd resin, 45 to 55 parts; propylene glycol methyl ether propionate, 2 to 5 parts; n-butyl acetate, 3 to 6 parts; dispersing agent, 0.3 to 0.5 part; Tian-shuang brand anion auxiliaries, 1 to 2 parts; titanium dioxide, 30 to 40 parts; extinction powder, 5 to 7 parts; anti-yellow auxiliaries, 1 to 3 parts; Lubrizol 1400SF, 1 to 3 parts; Tian-shuang brand deodorant, 0.2 to 0.5 part; defoamer, 0.2 to 0.5 part; and leveling agent of 0.3 to 0.5 part. The component B is obtained from the following ingredients by weight ratio: n-butyl acetate, 30 to 50 parts; HDI trimer poly isocyanate, 22 to 30 parts; and HDI-TDI trimer, 30 to 40 parts. The component C is obtained from the following ingredients by weight ratio: n-butyl acetate, 75 to 85 parts; and propylene glycol methyl ether propionate, 15 to 25 parts. The environmentally-friendly mercerizing polyurethane white paint used for woodware and metal of the invention has the advantages of: 1. strict selection, ultra-low-free TDI and low odor; 2. good product adhesion, good flexibility and good anti-cracking and anti-shedding performance; 3. high white coating, excellent anti-yellowing performance, good hiding power, good fullness and high delicate touch; 4. good construction performance, fast low-temperature drying, surface drying at room temperature for 25 minutes, brush painting or spray painting, convenient grinding, substrate settlement workload reduction, and production efficiency improvement; and 5. negative ions release.

The present invention provides a temperature sensitive paint for low-temperature use which shows durability at low temperatures, has a high light emission intensity, and makes it possible to perform precise temperature measurements of surface temperature fields by applying the paint to the surface of an object and measuring the light emission even in cases where the measurement distance is long in, for example, a large cryogenic wind tunnel or the like. The temperature sensitive paint for low-temperature use contains a ruthenium complex having a high light emission intensity as a temperature sensitive luminophore, a urethane type polymer as a binder, and an alcohol organic solvent as a solvent. Use of an alcohol organic solvent makes it possible to dissolve a temperature sensitive luminophore at a high solubility and to increase the light emission intensity by raising the temperature sensitive luminophore concentration in the coating film, so that more precise temperature measurements can be performed. By using the urethane type polymer having the durability at low-temperature, it is possible to obtain durability where no cracks occur at low temperatures even when the film thickness is increased. Therefore, adjustment of the light emission intensity and surface treatment such as surface polishing and the like can be performed by using this temperature sensitive paint for low-temperature use.

The invention belongs to the technical field of functional building paint and relates to photochromic glass paint and a preparation method thereof. The photochromic glass paint is prepared from the following raw materials in weigh ratio: 20 to 50 parts of prepolymer, 5 to 20 parts of active monomer, 0.1 to 1 part of initiator, 5 to 20 parts of color changing powder, 0.1 to 1 part of wetting agent,0.1 to 1 part of dispersant, 0.5 to 3 parts of adhesion promoter, 0.5 to 2 parts of enhancer and 0.5 to 3 parts of nano material. The surface of general glass is simply coated with one layer of the photochromic glass paint disclosed by the invention, so that the general glass can achieve a photochromic effect; thus, the surface of the general glass can be coated with the paint in a large scale infactories to manufacture photochromic glass, and construction can be performed in existing building sites to manufacture the photochromic glass.

The invention discloses a simple and convenient synthesis method and application of waste grease based polyhydric alcohol. The synthesis method comprises the following steps: performing simple pretreatment such as filtration, dehydration and decoloration on waste grease, performing heating and stirring reaction with alkamine compounds, and performing amidation with free fatty acid in the waste grease and performing transesterification reaction with glyceride under heating conditions by using relatively high reaction activity of amino groups to form corresponding biological oil based polyhydric alcohol. The method disclosed by the invention is capable of achieving the purpose of turning waste into treasure by adopting the waste grease as a raw material, and an obtained polyhydric alcohol product has the characteristics of good biodegradability, simple and convenient preparation process, small emission of three industrial wastes, adjustable product structure and hydroxyl value, wide application range and low environmental influence level.

The invention discloses a solvent-free isocyanate prepolymer, a preparartion method of the solvent-free isocyanate prepolymer and an isocyanate composition. The preparation method of the solvent-free isocyanate prepolymer comprises the following steps of carrying out dehydration treatment on a dihydric alcohol polymer, dividing the dehydrated dihydric alcohol polymer into three parts, and orderly adding the three parts of the dehydrated dihydric alcohol polymer into isocyanate monomers. The isocyanate composition comprises the solvent-free isocyanate prepolymer as a base component. Through a subsequent feeding method, the preparartion method realizes a reaction of the dihydric alcohol polymer and the isocyanate monomers so that the solvent-free isocyanate prepolymer has relatively low viscosity and a loss of an NCO effective function group of the solvent-free isocyanate prepolymer is effectively avoided. The isocyanate composition utilizes the solvent-free isocyanate prepolymer as a base component, has low viscosity and good stability, is free of a solvent, effectively reduces a cost and is environmentally friendly and safe.

The invention belongs to the field of anticorrosive paint, and particularly relates to a preparation method of an attapulgite-carbon nitride-polyaniline composite material and anticorrosive paint containing the composite material.The anticorrosive paint is prepared through the steps that one-dimensional attapulgite and two-dimensional graphite-phase carbon nitride are taken as a composite nuclear body material, aniline is polymerized on the surface of the composite nuclear body material to prepare attapulgite-carbon nitride-polyaniline composite anticorrosive packing, and then the attapulgite-carbon nitride-polyaniline composite anticorrosive packing is mixed with polyurethane, a coloring pigment, packing, a dispersing agent, a flatting agent, a defoaming agent and water to prepare the anticorrosive paint.The attapulgite-carbon nitride-polyaniline composite material is applied to the anticorrosive paint and has the multiple effects of preventing electrochemical corrosion and physical corrosion, enhancing the mechanical performance of a coating and the like.

The invention discloses high infrared shielding rate thermal insulation paint. The paint is prepared from substrate paint, SiO2 aerogel, hollow glass beads with an indium and antimony co-doped type tin oxide coating, surfactant, a curing agent and auxiliaries; in the tin oxide coating, the doping ratio of indium ranges from 0.5 mol% to 3 mol%, and the doping ratio of antimony ranges from 6 mol% to10 mol%; the particle size of the hollow microspheres ranges from 1,000 meshes to 2,000 meshes; the surfactant is anion and amphoteric mixed surfactant; the auxiliaries comprise a dispersing agent, awetting agent, a defoaming agent and a flatting agent. The paint has an infrared light shielding barrier forming a large specific surface area, and can effectively insulate heat and absorb and shieldthe infrared light within a wide wavelength range. The paint prepared through a method has the good homogeneity, the SiO2 aerogel can be uniformly dispersed in the paint system, and then the obtainedcoating has the uniform and stable heat insulation and infrared light shielding performance.

The invention relates to blends of improved polyurethane ionomers with other polymers and methods for making the same. It was found that the blends of polyurethane anionomers obtained by using the method of the invention had improved physical properties than those made by conventional methods.

The invention discloses high-strength polyurethane waterproof paint which comprises a component A and a component B, wherein the component A and the component B are mixed uniformly at a weight ratio of 2:1 when in use; the component A is prepared from the following raw materials: trifunctional polyether polyol, bifunctional polyether polyol, a hydroxyl-terminated phthalic polyol oligomer, a chlorinated diaminodiphenylmethane crosslinking agent, an iron oxide red pigment, aedelforsite fillers, calcium carbonate fillers, 80-100 parts of plasticizer, an antioxidant 264, liquid and/or solid coumarone resin and a silane defoamer; the component B is prepared from the following raw materials: trifunctional polyether polyol, bifunctional polyether polyol, a polyol benzoate plasticizer and isomerized diphenyl methane diisocyanate. The polyurethane waterproof paint has the characteristics of high tensile strength, high breaking elongation rate, tear resistance, water tightness, damp-heat aging resistance, chemical corrosion resistance, relatively low cost and the like, and is especially suitable for water prevention of railway concrete bridge surfaces with high strength requirements.

An antisticking, antiwear and lubricating paint solidified at ordinary temp and with high load-bearing power is prepared from tetrafluorowax, polyurethane resin, Sb2O3, and melamine-tripolycyanate complex. Its advantages are high hardness, high adhesion, and wide temp range (-50-200 deg.C).

The invention provides a high-fidelity durable lightfast UV/UVLED curing coating for a note and a preparation method of the high-fidelity durable lightfast UV/UVLED curing coating. The high-fidelity durable lightfast UV/UVLED curing coating comprises a prepolymer, a pre-polymerization monomer, an initiator, an assistant, a stabilizer and an amine type accelerator, wherein the prepolymer is one of or a combination of more of aliphatic modified epoxy acrylate, acid modified urethane acrylate, aliphatic urethane acrylate, and aromatic urethane acrylate; the pre-polymerization monomer is one of or a combination of more of methacrylate, acrylate, and a vinyl ether monomer. The UV/UVLED coating has the characteristics of transparency, high whiteness and low glossiness, the original color of a printing material is not changed after the surface of the printing material is coated with the coating, and the coating is high in fidelity, and has the physical and chemical resistant properties meeting the requirements of the note when applied to the note.

A method for forming a multilayer coating film is provided. The method includes coating at least one object with an aqueous primer coating composition, an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition, in that order. The aqueous primer coating composition contains a component (A) which contains a polyolefin resin, a component (B) which contains a polyurethane resin, a curing agent (C) and electrically conductive carbon (D). The aqueous first colored coating composition and aqueous second colored coating composition each contain a core/shell emulsion. The clear coating composition contains a hydroxyl group-containing acrylic resin, a polyisocyanate and a melamine resin. The method improves the appearance, chipping resistance, adhesive properties and low temperature impact properties of a coating film.

The present invention is to provide a photocurable fluorinated copolymer composition which is uniform and excellent in transparency, and a coating film layer obtainable by using it, is excellent in heat resistance and abrasion resistance and exhibits a particularly excellent weather resistance performance. The photocurable fluorinated copolymer composition comprises a specific fluorinated copolymer (A), a specific hydrolysable silane compound (B), an epoxy resin (C) having a cyclohexane ring structure, and a photoreaction initiator (D).

The invention discloses UV (ultraviolet)-highly-clean curtaining finish, which comprises the components by weight percentage as follows: 35-45% of 100% UV resin, 0.3-0.5% of defoamer, 1-2% of dispersant, 4-7% of initiator, 0.2-0.5% of flatting agent, 0.5-1% of antireflection agent and the balance of monomer. The 100% UV resin is trifunctional polyurethane acrylate resin or difunctional epoxyacrylate resin or a mixture of the trifunctional polyurethane acrylate resin and the difunctional epoxyacrylate resin. The monomer is acrylics, modified acrylics or mixtures of the acrylics and the modified acrylics. The antireflection agent is an alkylammonium salt and a special radical modified polysiloxane copolymer solution. The UV-highly-clean curtaining finish is high in clearness, and good in transparency, and has high brightness and smoothness and strong stereoscopic sensation, and a curtain is fully transparent. The paint film structure formed is good in flexibility and scratching resistance, and applicable for wood products such as wood furniture and wood floors.

The invention provides a technique for producing a coating surface layer for a skid resistant polyurea terrace, which aims to solve the skid resistant problem of the prior smooth polyurea terrace, and comprises the following steps: spraying polyurea on a substrate to form a uniform polyurea elastic body base layer; and evenly paving quartz sand particles on the uniform polyurea elastic body base layer when the uniform polyurea elastic body base layer is not solidified completely so as to form a quartz sand particle skid resistant layer. The obtained coating surface layer for the skid resistant polyurea terrace has good skid resistance, can ensure that the surface is nonskid in the rain, after the rain or in a humid environment, and has the advantages of good elasticity, comfortable foot feeling, no joint seam, easy washing, beautiful appearance, durability, wear resistance, aging resistance, and environmental protection. The technique for producing the coating surface layer for the skid resistant polyurea terrace can be widely applied to the ground surfaces of a playground, a tennis court, a basketball court, a badminton court, a gymnasium, a swimming pool, a production department, a hospital, a parking area, a parking lot and the like.

The invention discloses wear-resistant and high-temperature resistant capacitor aluminum case film coating paint and a preparation method thereof. The wear-resistant and high-temperature resistant capacitor aluminum case film coating paint is mainly obtained through mixing and stirring compounds A and compounds B in raw materials according to certain weight parts, wherein the compounds A consist of polyurethane polyatomic alcohol, ethyl ketone, paraffin, isopropanol, polymethyl-benzene gadoleic acid methyl ester and attapulgite, and the compounds B consist of phenolic resin, dimethyl silicone polymer, acrylic ester copolymer modifying agents, straw ashes, silane coupling agents, 6-tertiary butyl-3-methylphenol, stearic acid and tetramethylsilane. The wear-resistant and high-temperature resistant capacitor aluminum case film coating paint has the advantages that the recipe is reasonable, the preparation method is simple, the curing effect on a capacitor aluminum case is good, a capacitor is effectively protected, the prepared film coating paint has the heat resistance performance and the wear resistance performance, and the service life of the capacitor is prolonged.

The invention relates to the technical field of release films, in particular to a preparation method of a silicon-free PET release film. The silicon-free PET release film comprises a PET film, and ischaracterized in that release agents are coated on two sides of the PET film. The silicon-free PET release film prepared by the invention has very good toughness, drug resistance, heat resistance andhigh transparency, is very suitable for various processing and use, does not contain silicon, and has the characteristics of good anti-sticking effect, stable performance and good high-temperature resistance.