232results about How to "Good gloss and color retention" patented technology

The invention relates to a solar-absorbing coating used for converting solar energy (sunlight) into thermal energy, and provides three kinds of selective solar-absorbing coatings. The coating is prepared from resin, absorbents, extender pigments, addition agents and solvents, and the color of the coating is formed by mixing a plurality of absorbents (pigments); the coating mainly plays the role of converting the solar energy into the thermal energy, and has the certain function of decoration; and the color of the coating is brownish red, bottle green and black, and the absorptance of the coating to sunlight is 0.95, therefore the coating can be used as a heat-absorbing coating for solar water heaters, solar greenhouses and military image decoys.

The invention discloses aqueous acrylic acid-modified alkyd resin and a preparation method thereof. Basic alkyd resin of the aqueous acrylic acid-modified alkyd resin is prepared from an unsaturated fatty acid, benzoic acid, trimethylolpropane, pentaerythritol, maleic anhydride, isophthalic acid, ethylene glycol monobutyl ether and butanol. The aqueous acrylic acid-modified alkyd resin is prepared by adding styrene, methyl methacrylate, butyl acrylate, acrylic acid, a silane coupling agent, benzoyl peroxide, tert-butyl hydroperoxide, ethylene glycol monobutyl ether and a mixing neutralizer into the basic alkyd resin. According to the aqueous acrylic acid-modified alkyd resin and the preparation method thereof, the advantages of alkyd resin and acrylic resin are integrated, and a product has high gloss retention, color retention and weather resistance; a production process is simple, the raw materials are readily available, and the production cost is low; a paint production process is simple, water is used as a diluting agent, and safety and convenience in construction are ensured.

The invention provides a water metallic paint and a preparation method thereof. The paint mainly comprises the components of 30-60wt% of acrylic resin, 4-15wt% of amine resin used for paints, 10-40wt% of pigment, 3-10wt% of stuffing, 0.5-5wt% of lacquer solvent, 0.5-3wt% of addition agent and 20-50wt% of water. The components are weighted according to mixture ratio, mixed according to certain charging sequence, and then subjected to the working procedures of dispersing, grinding and the like, thus obtaining the water metallic paint. The paint takes water as a solvent, is added with a small amount of lacquer solvent, is environment-friendly, and has the main advantages of simple production technology, low cost, good levelability, high adhesive attraction, high luster, resistance to yellowing, high solid content, low viscosity, good heat resistance and capability of being used for a long time at the temperature of 180 DEG C.

The invention provides a metal salt-free sealing agent for an aluminum alloy anodic oxide film, belonging to the technical field of aluminum alloy anodic oxide film post treatment. The sealing agent of the invention is prepared by water solution composed of 1.0-10g / L of a hydration accelerator, 0.01-2g / L of a wetting agent, 0.01-3g / L of an ash inhibitor and 1-15g / L of a pH buffering agent, wherein the pH of workpiece fluid is 5.5-6.5, the operating temperature is 70-90 DEG C, and the sealing speed is 1.0-2.0min / um. The metal salt-free sealing agent creatively adopts organic compounds which are easily subject to biodegradation, does not contain any metal ions of nickel, cobalt, magnesium, calcium, lithium and the like as well as fluorinions, and obtains satisfactory sealing effect of the nano-pores of the aluminum alloy anodic oxide film by virtue of the scientific and coordinated component formula of the water solution; the aluminum alloy anodic oxide film obtained by seal treatment through the sealing agent has the advantages of good corrosion resistance, capability of meeting the requirements of GB 14952.1-94, good light-protection and color-protection properties of a film layer, no ash and pruina, no water stain after drying as well as light flowing color and small color difference change in case of sealing the organic dyeing film; and the metal salt-free sealing agent is widely applicable to sealing treatment of an original-color anodic oxide film, an electrolytic coloring anodic oxide film, a hard oxide film and a dyeing anodic oxide film.

The invention provides a polyurethane matt varnish for benzene-free odor-less furniture, which is composed of a main agent, a curing agent and a diluent. The main agent comprises 66.5-75.5% of hydroxyacrylic resin, 16.0-25.0% of solvent, 0.1-0.3% of defoarming agent, 0.05-0.1% of flatting agent, 0.1-0.5% of anti-settling agent, 0.1-0.5% of dispersing agent, and 4-8% of delustering agent; the curing agent comprises40.0-50.0% of toluene diisocyanate tripolymer, 20.0-30.0% of toluene diisocyanate-trimethylolpropane affixture, and 20.0-30.0% of butyl acetate; the diluent comprises 60.0-70.0% of butyl acetate, 15.0-20.0% of cyclohexanone, and 15.0-25.0% of propylene glycol methyl ether acetate. The product of the invention is favorable for construction, and no odor exists after the construction of the previous night.

The invention relates to the field of coating for building materials, and in particular relates to a water-based antirust and antiseptic paint for metal and a preparation method thereof. The water-based antirust and antiseptic paint for metal comprises the following components in parts by weight: 200-250 parts of deionized water, 180-220 parts of titanium dioxide, 60-100 parts of water-based nanometer sizing agent, 20-40 parts of kaolin, 20-40 parts of nanometer bentonite, 8-15 parts of nanometer zinc calcium phosphate, 40-60 parts of alcoholic acid emulsion, 80-130 parts of water-based fluorocarbon resin, 150-200 parts of pure acrylic emulsion, 20-60 parts of organosilicone emulsion, 10-30 parts of propylene glycol, 1-3 parts of nanometer silicon dioxide, 4-8 parts of dispersing agent and 10-40 parts of coalescing agent. The water-based antirust and antiseptic paint for metal provided by the invention has high brightness, glossiness and plumpness, is non-toxic and harmless in material, non-combustible, unexplosive, safe and environment-friendly, and has excellent antirust and antiseptic performance with the matching of the components.

The present invention discloses an environmental protection fire retardation type textile printing coating material and a preparation method thereof. According to the present invention, a fire retardation type acrylate is adopted as a main base material to prepare a fire retardation type coating material for textile printing, wherein the prepared fire retardation type coating material self-extinguishes within 5 seconds after leaving fire, and has characteristics of good fire retardation effect, good elasticity, low cost, excellent washing fastness resistance, and excellent color fastness; during a production process and a use process of the product, no formaldehyde is released, an environmental protection characteristic is provided, and the product does not contain heavy metals and alkyl phenol substances, and is an environmentally friendly and green product; and the preparation method has characteristics of easy production process control, high production efficiency and stable system, and is suitable for industrial scale production.

The invention discloses a high solid coating for a container and a preparation method of the high solid coating, and relates to the field of the coating chemical industry. The high solid coating comprises a host and a curing agent; the mass ratio of the host to the curing agent is 4:1; the host comprises the following components by mass: 40-60 percent of high solid low viscosity hydroxy acrylic resin, 1-5 percent of a rheological agent, 1-10 percent of a functional pigment, 20-25 percent of a sunproof pigment, 0-1 percent of an antifoaming agent, 1-3 percent of a wetting dispersant, 0.1-0.5 percent of a flatting agent I, 0.1-0.5 percent of a flatting agent II, 1-10 percent of a reactive diluent, 0.1-5 percent of a drier, and 1-5 percent of a mixed solvent. The coating has the advantages that the content of volatile organic compounds is low, the one-step film formation thickness is 150 microns, the surface dry purpose is achieved within 15 min, the film abrasion resistance is low to 40 mg, the coating is saved, the emission and coating time of volatile organic compounds are reduced, and the corrosion resistance, the abrasion resistance and the weathering resistance meet the requirement for anticorrosion outside the container, and adapt to the rapid production requirement of the container production line.

The invention relates to a modified double-component epoxy resin paint, wherein the raw materials of the main ingredients includes bisphenol A epoxy resin, multiple functional group glycide amine epoxy resin and filler selected from silicon dioxide, titanium oxide, antimony trioxide, zinc oxide and calcium carbonate, the raw material of the curing agent includes modified aliphatic polyamines, organic diatomaceous soil and methyl ethylene glycol.

The invention provides a preparation method of novel polyurethane-modified organic silica gel. The novel polyurethane-modified organic silica gel is a segmented copolymer comprising polyurethane chain segments, polyether chain segments and organic silicon chain segments. Through introduction of the polyurethane chain segments, the novel polyurethane-modified organic silica gel retains excellent weatherability, electric insulativity, hear resistance, stain resistance, gloss and color retention, vibratrion impact resistance, adhesiveness, solvent resistance, flexibility, chemical corrosion resistance and water resistance, and short curing time, and the adhesion between the novel polyurethane-modified organic silica gel and terylene or polyester / cotton fabric is effectively improved. Throughintroduction of an amino active group-containing cross-linking agent, the novel polyurethane-modified organic silica gel has the advantages of excellent gloss retention, cohesiveness, electric insulativity and hear resistance, high surface hardness, good bending resistance, fast curing speed, good tearing resistance and no efflorescence. The novel polyurethane-modified organic silica gel as a segmented copolymer has a controllable structure, greatly develops polyurethane-modified silica gel performances and widens a polyurethane-modified silica gel application scope.

An elastic heat-insulation fluorocarbon coating consists of a host and curing agent. The host is prepared by the following components, by weight, 55 to 65 parts of fluororesin, 0.5 to 1.5 parts of dispersant, 0.2 to 0.4 part of defoamer, 0.3 to 0.5 part of anti-settling agent, 0.3 to 0.5 part of flatting agent, 15 to 20 parts of titanium white, 4 to 8 parts of hollow glass microballs, 1 to 1.5 parts of hollow macromolecular polymer and 15 to 20 parts of mixed solvent. The curing agent is manufactured by the following components, by weight, 90 parts of E405 to 80T, 5 parts of butyl acetate and 5 parts of propylene glycol methyl ether acetate. The weight proportion of the host and the curing agent can be calculated according to the hydroxyl value of the fluororesin and the NCO (isocyanate) content of the curing agent, namely OH / NCO=1:(1.05 to 1.15). The elastic heat-insulation fluorocarbon coating has the advantages of excellent weatherability, stain resistance, washability, decoration performance, excellent normal-temperature and low-temperature elasticity, capability of resisting to fine fissures, improved heat insulation effect and benefits to transport and settlement.

The invention aims to provide a solar energy heat absorption coating which improves the defect of lower solar energy utilization rate of an existing solar energy absorption coating, is capable of converting solar energy into heat energy in a high efficiency manner, and is excellent in weather resistance and light and color retention properties.

The invention relates to internal wall antibacterial emulsion paint and a preparation method thereof. The internal wall antibacterial emulsion paint is characterized in that the paint comprises the following components in portion by weight: 25 to 40 portions of pure acrylic emulsion, 5 to 10 portions of dispersant, 10 to 20 portions of titanium dioxide powder, 0.1 to 0.2 portion of wetting agent, 20 to 40 portions of filler, 0.3 to 0.5 portion of defoaming agent, 3 to 6 portions of antibacterial agent, 0.5 to 1.0 portion of thickening agent, 10 to 25 portions of film forming assistant, 10 to 20 portions of anti-freezing agent, 0.3 to 0.5 portion of flatting agent, 0.3 to 0.5 portion of mildew-proof agent, 2 to 5 portions of colloid nano SiO2 30R12, 0.1 to 0.3 portion of bactericide, and 30 to 45 portions of tap water. The preparation method comprises the following steps: adding the tap water, the dispersant, the wetting agent, the defoaming agent, the anti-freezing agent, the titanium dioxide powder and the filler into a stirring container in turn, and stirring the mixture evenly; grinding the mixture to have the fineness of less than 35mu m in a grinding device; and adding the pure acrylic emulsion, the film forming assistant, the antibacterial agent, the colloid nano SiO2, the flatting agent, the thickening agent, the bactericide and the mildew-proof agent into the mixture, stirring the mixture evenly, and packing the mixture after inspection. The internal wall antibacterial emulsion paint and the preparation method thereof have the advantages that the paint film property of the pure acrylic emulsion with low voc is fully utilized, and simultaneously the introduced antibacterial agent and the functional assistant can keep good physiochemical performance of the paint film and have good environment-friendly performance and antibacterial performance at the same time.

The invention relates to a water-borne acrylic polyurethane primer-topcoat corrosion-resistant decorative coating containing double components. The water-borne acrylic polyurethane primer-topcoat corrosion-resistant decorative coating comprises a component A and a component B, wherein the component A comprises ingredients in parts by weight as follows: 35-55 parts of a water-borne hydroxyl acrylic acid emulsion, 10-20 parts of anti-rust pigments, 5-20 parts of coloring pigments, 5-15 parts of filler, 0.3-1.0 part of a dispersing agent, 0.2-1.0 part of a water-borne anti-settling agent, 0.3-0.6 parts of a defoaming agent, 0.3-0.6 parts of a foam breaker, 3-5 parts of a cosolvent, 4-10 parts of a rheological thickener, 0.2-0.5 parts of a substrate wetting agent, 0.3-5.0 parts of water-borne wax liquor, 0.3-0.6 parts of a flash rust preventing agent and 10-20 parts of deionized water; the component B comprises 10-15 parts by weight of a water-borne polyurethane curing agent. A preparation method comprises steps as follows: the raw materials are sequentially added to a container, are uniformly stirred at medium and high speeds and then are dispersed for 10 min respectively, a mixture is ground, the deionized water is added for uniform stirring, and the component A is prepared. The water-borne acrylic polyurethane primer-topcoat corrosion-resistant decorative coating containing the double components has the benefits of excellent outdoor weather fastness, adhesive force, water resistance, salt water resistance and salt fog resistance.

The embodiment of the invention discloses a method for preparing waterborne resin, and a waterborne coating composition. A main chain structure of the waterborne resin prepared by the method comprises an epoxy resin group, an acrylic resin group and a polyurethane group. In the waterborne coating composition, the waterborne resin of which the main chain structure comprises the epoxy resin group, the acrylic resin group and the polyurethane group is used as main forming resin, wherein the epoxy resin group structure provides excellent corrosion resistance; and the acrylic resin group structureand the polyurethane group structure guarantees excellent weather resistance, chemical resistance and gloss and color retention, so the waterborne coating composition has excellent comprehensive properties. The waterborne resin is non-toxic and harmless, so the damage to the environment caused by the volatilization of an organic solvent is reduced and the environment is protected.

The invention provides a self-crosslinking water-borne wood paint emulsion and a synthetic method thereof, relating to the technical field of coatings. The self-crosslinking water-borne wood paint emulsion contains the following raw materials in percentage by weight: 25%-60% of an acrylic emulsion, 2%-6% of isophorone diisocyanate, 2%-7% of glyceryl triacetate, 10%-45% of acrylic monomers, 20%-50%of a waterborne polyurethane resin emulsion, 0.2%-2% of an emulsifying agent, 3%-6% of nano-crystalline cellulose, 0.2%-1.5% of a defoaming agent and the balance of deionized water. By taking the self-crosslinking acrylic emulsion as a main raw material and utilizing the self-crosslinking acrylic monomers, isophorone diisocyanate, the waterborne polyurethane resin emulsion, glyceryl triacetate and nano-crystalline cellulose and other raw materials, the prepared self-crosslinking water-borne wood paint emulsion has relatively high crosslinking density, the hardness, boiling water resistance, solvent resistance, light remaining property, color remaining property and impact resistance of a coating film are relatively excellent, and the content of volatile organic compounds is low, so that the environmental pollution is avoided, and the human healthy is guaranteed.

The invention relates to anticorrosive decorative fluorocarbon paint and a preparation method thereof. The fluorocarbon paint comprises the following components in part by weight: 40 to 55 parts of fluorocarbon resin, 10 to 25 parts of cross-linked resin, 5 to 20 parts of mixed solvent, 3 to 40 percent of pigment, 0 to 5 parts of delustering powder and 0 to 1 part of aid. Compared with the prior art, the fluorocarbon paint has good corrosion resistance and decoration effect.

The invention discloses an abrasion-resistant and environment-friendly polyurethane sports ground material and a preparation method thereof. The material is blended with an elastomer A component and a B component, wherein the elastomer A component comprises methylene diphenyl diisocyanate and polyether glycol; the B component comprises polyether triols, polyether glycol, a cross-linking agent, a plasticizer, epoxy resin, acrylic acid, silica solution, whiskers, aluminium oxide and pigment. The sports ground material is used to overcome the harm to human bodies and unsafe hidden dangers caused by TD1 and MOCA used in conventional sports ground paving materials, and provides an environment-friendly, abrasion-resistant, low-toxicity, harmless, low-cost and high-properties polyurethane sports ground material.

The invention relates to the technical field of architectural decoration materials and application. The invention provides a simulated copper coating, and the simulated copper coating is prepared from the following raw materials: by weight, 670-700 parts of a mixed solvent, 60-70 parts of cellulose acetate butyrate, 60-70 parts of polyester resin, 40-50 parts of nitrocotton, 30-40 parts of amino resin, 2-5 parts of a leveling agent, 25-35 parts of an anti-settling agent, 55-75 parts of pearlescent pigments and 10-30 parts of a color pigment. The invention also provides a production process of the simulated copper coating, and the production process comprises the following steps: successively adding the mixed solvent, the cellulose acetate butyrate, the polyester resin, the nitrocotton, the amino resin, the leveling agent, the anti-settling agent, the pearlescent pigments and the color pigment into a vat, stirring and mixing evenly. During the production process of the simulated copper coating, a directional assistant with high glass transition temperature is introduced, various pearlescent pigments are selected and used, and through mixing in a certain proportion, a coating film can perfectly reproduce copper material effects and metal texture.

The invention discloses a water-based nano thin-coating heat preservation paint and a preparation method thereof. The paint comprises the following raw materials by weight: 30-40 parts of an acrylic emulsion, 5-10 parts of titanium dioxide, 20-40 parts of hollow glass beads, 5-20 parts of aerogel and 5-10 parts of a film-forming assistant. According to the invention, the hollow glass beads and aerogel are used as the heat insulation basic raw materials, the heat conductivity coefficient of the paint is greatly reduced and is as low as 0.031-0.035W / m.K, and the paint can reach a remarkable heatinsulation effect under the condition of a very small construction thickness. Meanwhile, the hollow glass beads and the aerogel are conducive to improving the chemical stability of the paint itself,thus improving the covering power, lightening power, corrosion resistance, light resistance and weather resistance, and enhancing the mechanical strength of the paint; cellulose, a wetting dispersant,a defoaming agent and a preservative are mixed; by virtue of ethylene glycol, the acrylic emulsion and a pH regulator, the paint has excellent cohesiveness, weather resistance, film-forming properties, gloss and color retention and mechanical properties; and the use of a vinyl chloride-vinylidene chloride copolymer emulsion also can reach a grade A1 flame retardant effect.

The invention discloses a color steel tile paint which comprises the following components in percentage by weight: 10-25% of acrylate resin, 8-15% of chlorinated rubber, 2-5% of nano silicon dioxide, 4-10% of calcium carbonate, 4-10% of talcum powder, 4-10% of barium sulfate, 0.3-0.8% of anti-settling agent, 0.2-0.5% of defoaming agent, 2-4% of pigment, 7-15% of titanium white and 40-48% of solvent. The color steel tile paint has the advantages of higher aging resistance and longer service life.

The invention discloses a water-borne wood paint, and a preparation method thereof. The water-borne wood paint is prepared from following raw materials: a resin, a pigment, a filling material, an auxiliary agent, and water, wherein the resin is a mixed resin of water-based acrylic resin and acrylic acid modified waterborne polyurethane resin, or a mixed resin of water-based acrylic resin and waterborne polyurethane resin. The water-borne wood paint is high in strength, possesses excellent chemical resistance, gloss retention, colour retention, and base material permeability, high transparency; obtained films possess water resistance, boiling water resistance, low film forming temperature, and excellent levelling properties; after-tack is not caused; solid content is high; a plurality of steps are avoided; the water-born wood paint is dried quickly at normal temperature; the obtained films are flat and well-rounded; polyurethane paint possesses excellent adhesive force and wear resistance, and is bright and well-rounded, so that the water-born wood paint can be used for painting as a wooden floor paint.

The invention relates to a high-solid chrome-free acrylic polyurethane finish paint consisting of two components A and B which are mixed together according to a ratio of 100:25. The component A comprises the following components in parts by weight: 50-65 parts of self-made tert-carbonic glycidyl ester modified hydroxylated acrylic resin (with 75 mass percent of solids), 10-20 parts of a color filler, 10-20 parts of a chrome-free anticorrosive pigment, 0.5-1.5 parts of an anti-setting agent BE-828, 0.5-1.5 parts of a dispersant, 0.3-1.0 part of a defoaming agent, 0.5-2.5 parts of an anti-sagging agent, 0.3-0.5 part of a leveling agent and 5-10 parts of a solvent. The component B comprises the following components in parts by weight: 50-70 parts of fat diisocyanate and 30-50 parts of butyl acetate. The high-solid chrome-free acrylic polyurethane finish paint disclosed by the invention has relatively high requirements for overall properties including weather resistance, fullness, salt fog resistance, adhesive force, chemical resistance and the like.

The invention belongs to the technical field of coating production, and in particular relates to exterior wall coating, and a preparation method and an application method thereof. The exterior wall coating comprises components A and B, wherein the component A mainly comprises at least one of isocyanate-terminated prepolymer and polyisocyanate and dimmers and trimers thereof, the component B mainly comprises polyaspartic acid ester and polymerized modified polyaspartic acid ester, and the components A and B are respectively mixed uniformly and packaged independently. The coating provided by the invention is good in elasticity; the polyaspartic acid ester and polymerized modified polyaspartic acid ester disclosed by the invention are combined, so that the elasticity and low-temperature flexibility of the coating can be obviously improved, and the coating has small possibility of cracking and good in weather ability, thus being capable of using in cold regions. Substances in the components A and B are matched with one another according to a specific proportion, so that the coating is uneasy to crack, can cover cracks in a wall body, has the function of exterior wall waterproof coating, is simple and convenient to construct, also can improve the ultraviolet light resistance performance of the coating, is good in light and color maintenance, and can keep the color unchanged for 10-20 years.

The invention discloses a self-cleaning antifouling organic-inorganic super-amphiphobic polymer coating which is prepared from the following raw materials: perfluoroalkyl ethanol, methyl isobutyl ketone, HDI trimer, methyl methacrylate, styrene, hydroxyethyl methacrylate, perfluorooctyl methacrylate, benzoyl peroxide, 25-28 parts of methanol silica sol, propylene glycol methyl ether acetate, titanium dioxide, sodium hexametaphosphate, ethyl orthosilicate, vinyl triethoxysilane, an appropriate amount of ammonia water, an appropriate amount of silane coupling agent KH570, an appropriate amount of methyl hydroxyl silicone oil, an appropriate amount of 10% dibutyltin dilaurate, a dispersant, a leveling agent, a defoamer, an appropriate amount of butyl acetate, an appropriate amount of anhydrous ethanol, and an appropriate amount of deionized water. The super-amphiphobic polymer coating provided by the invention is simple and feasible in preparation method, can be firmly combined with a variety of substrates, and has universality, good self-cleaning performance, dirt resistance, scrub resistance, corrosion resistance and other performance, and good application prospects.

The invention provides a preparation method of novel polyester-modified silica gel. The invention is characterized in that the novel polyester-modified silica gel is a block copolymer of a polyester chain segment, a polyether chain segment and an organic silicon chain segment; by the introduction of the polyester chain segment, the silica gel maintains excellent weather resistance, electric insulativity, cohesiveness, heat resistance, stain resistance, gloss retention and color retention and also has good wear resistance, solvent resistance, mechanical strength and faster curing time, and theadhesive force of organic silica gel on a base material is improved; by the introduction of a crosslinking agent containing amino groups and active groups, the modified silica gel not only has excellent gloss retention, cohesiveness, electric insulativity and heat resistance, but also has the advantages of high surface hardness, bending resistance and the like, and has fast curing speed, wear resistance and no powdering. In the block copolymer, the structure is controllable, and the performance and the application range of the polyester-modified silica gel are greatly expanded.

A plastic insert for all terrain vehicle (ATV) wheel rims. The plastic insert is preferably configured as an exact fit for a particular ATV wheel rim. The plastic insert has a plurality of lug nut holes defined therein that are configured to receive lug nuts to secure the plastic insert to the particular ATV wheel rim. The plastic insert provides protection of the ATV wheel rim from damaging effects of sand and rocks, as well as the ability to customize an associated ATV and / or to beautify old beat up ATV wheel rims of the associated ATV. The plastic insert may have one or more light emitting diodes (LEDs) mounted therein, that may be configured to emit a color(s), and may also have a removable power source mounted therein operationally connected to the LED(S). The removable power source may be a rechargeable battery and / or a non-rechargeable battery.

The invention relates to sprayed and coated odorless polyurethane floor paint which consists of a main agent, a solidifying agent and a diluent, wherein the main agent comprises the following components in percentage by weight: 64-70 percent of odorless alkyd resin, 19.0-25.0 percent of a solvent, 0.5-1.0 percent of a de-foaming agent, 0.1-0.5 percent of a flatting agent, 2-5 percent of a anti-settling agent, 0.5-1 percent of a dispersing agent and 3.0-8 percent of a matting agent; the solidifying agent comprises the following components in percentage by weight: 40.0-50.0 percent of a toluene diisocyanate trimer, 20.0-30.0 percent of 6-hexamethylene diisocyanate trimer and 20.0-30.0 percent of butyl acetate; the diluent comprises the following components in percentage by weight: 30.0-40.0 percent of butyl acetate, 20.0-30.0 percent of dimethyl carbonate, 30.0-40.0 percent of propylene glycol monomethyl acetate. A product construction way of the sprayed and coated odorless polyurethane floor paint adopts machine spraying and coating, and after construction, floors are free from odor after one night.

The invention relates to the field of waterborne coatings and particularly discloses a finishing coat of a waterborne coiled steel coating and a preparation method of the finishing coat, wherein the finishing coat of the waterborne coiled steel coating comprises the following components: a waterborne polyester resin, a rust-proof sizing agent, an amino resin, an acid catalyst, a wetting agent, a levelling agent, a defoamer, an adhesion promoter, a wetting dispersant, an anti-settling agent, a PH regulator, a cosolvent and water. the provided finishing coat of the coiled steel coating is a waterborne product, the VOC (volatile organic compounds) content is very low, the environment pollution is small, the performance of a T-bend is greatly improved, the T-bend does not crack in winter and is anti-sticking in summer, and the physical and mechanical properties equivalent to those of the solvent based coating are achieved.