264results about How to "Good gloss retention" patented technology

The invention relates to a water-based primer-topcoat braking paint and a preparation method thereof. The braking paint comprises the following materials by weight percentage: 30-40 of water-based acrylic resin, 2-10 of amino resin, 1-3 of neutralizing agent, 2-5 of compound rustproofing pigment, 1-3 of tinting pigment, 10-20 of filling agent, 0.1-0.5 of defoaming agent, 0.1-0.5 of flatting agent and 25-40 of deionized water, wherein the water-based acrylic resin is a free radical polymerization resultant which comprises the following materials by weight percentage: 10-30 of monomer containing hydroxy acrylic acid, 5-20 of monomer containing carboxyl acrylic acid, 2-8 of internal crosslinking monomer, 20-40 of other acrylic acid monomer, 15-30 of phenyl ethylene monomer, 1-5 of evocating agent and 40-50 of alcohol ether latent solvent. When the paint is prepared, the dispersion and the abrading condition of the pigments and the filling agents are reasonably controlled to ensure that each component of the paint fully plays the respective function. The paint ensures the corrosion prevention effect and the decoration of a coating and realizes the combination of a primer and a topcoat.

The invention belongs to the field of powder paints and particularly relates to a self-cleaning super-weather-proof powder paint. The self-cleaning super-weather-proof powder paint comprises a carboxyl-terminated polyester particle system and a fluorocarbon resin particle system in a weight part ratio of 4:1-1:4, wherein the fluorocarbon resin particle system contains TiO2 nano-particles. As carboxyl-terminated polyester is introduced into a pure fluorocarbon paint, the phase separation occurs in a solidification process, and the fluorocarbon resin floats up to the surface of a coating to serve as coating protection and ageing resistance; the carboxyl-terminated polyester and the like and a substrate can be well wetted, so that the coating and the substrate can be well adhered and can hardly crack and spall; as the TiO2 nano-particles only exist in a fluorocarbon phase, the resin on a bottom layer cannot be broken, and the excellent stability of the system is guaranteed; and the TiO2 nano-particles are scattered in a dry blending manner, and the complex preprocessing is avoided, so that the preprocessing process can be greatly shortened, the cost is lowered, and the efficiency is improved.

The present invention provides a dental mill blank having excellent mechanical strength and having gloss retention high enough to maintain the gloss similar to that of natural teeth in an oral cavity for a long period of time. The present invention is a dental mill blank made of a cured product of a curable composition containing: a polymerizable monomer (A); and a spherical inorganic filler (B) having an average primary particle size of not less than 0.1 μm and less than 1 μm.

Disclosed are aliphatic polyester resins containing 2,2,4,4-tetramethyl-1,3-cyclo-butanediol and solvent borne, thermosetting coating compositions prepared therefrom. The aliphatic polyesters exhibit good hardness and flexibility when formulated into thermosetting coatings compositions.

Disclosed are solvent borne thermosetting coating compositions containing curable, aliphatic polyesters, acrylic copolymers, crosslinkers, and nonaqueous solvents. The aliphatic polyesters contain 2,2,4,4-tetramethyl-1,3-cyclobutanediol. Blends of acrylic copolymers with these aliphatic polyesters exhibit good compatibility, viscosity reduction, and good Tg retention. Coating compositions formulated from these blends exhibit high gloss, hardness with flexibility; solvent and chemical resistance; and outdoor durability.

Disclosed is an article having reduced susceptibility to mar and scratch formation during abrasion of its surface, wherein the article is derived from a composition comprising: (i) at least one rubber modified thermoplastic resin; (ii) a second rigid thermoplastic polymer present in a range of between about 10 wt. % and about 80 wt. %, based on the weight of resinous components in the composition; and (iii) at least one additive selected from the group consisting of (a) a silicone oil and (b) a hydrocarbon wax, said additive being present in an amount in a range of about 0.3 parts per hundred parts resin (phr) to about 3 phr.

The invention discloses a preparation method of a low-temperature curing water-based acrylic amino baking coating, belonging to the field of a production technology of a water-based amino baking coating. The method comprises the following steps of: mixing water, a wetting dispersant, an antifoaming agent, an anti-settling agent, a color filler, anticorrosion filler and water-based epoxy modified acrylic resin, and dispersing uniformly to obtain slurry; in a stirring state, adding water-based amino resin, an anti-flash rust agent, a drier and a leveling agent into the ground slurry; and dispersing uniformly by a high-speed dispersing machine. The water-based acrylic amino baking coating provided by the invention is convenient to produce, the product has a single component, the diluent is water, the cost is low, and the product is environment-friendly; and after being diluted, the water-based acrylic amino baking coating is directly subjected to spray construction, the construction is convenient, the curing temperature is low, the drying speed is high, the construction efficiency of the water-based acrylic amino baking coating is improved, the resources are saved, and the cost is lowered. The dried film is flat, full and bright, and has good gloss retention and color retention and excellent mechanical performance, water resistance and corrosion resistance; and the film is resistant to grease and high temperature.

The invention relates to a cathode electrophoretic (CED) coating, in particular to a resin emulsion for a hydrophobic cathode electrophoretic coating and a preparation method thereof. The resin emulsion for the hydrophobic cathode electrophoretic coating is prepared by reacting cation fluorocarbon resin with a full sealing polyisocyanate crosslinking agent containing an active hydrogen compound as a sealant, then acidifying and adding deionized water to be dispersed; the cation fluorocarbon resin is prepared by polymerizing an acrylic acid monomer containing a fluorine monomer and a functional monomer through a solution and carrying out ring opening; and the full sealing polyisocyanate crosslinking agent accounts for 20-25% of the whole monomer mass and is prepared by reacting polyisocyanate with the sealant in the presence of a catalyst. After the resin emulsion is prepared into a cathode electrophoretic coating varnish and forms a film, a contact angle of a coating film and water is 100-120 degrees, therefore, the hydrophobicity, the weathering resistance and the decoration of the water-borne cathode electrophoretic coating are greatly improved.

The invention discloses acid rain resistant flexible outer wall emulsion paint, which comprises the following components in percentage by weight: 10.0 to 35.0 percent of water, 0.3 to 1.5 percent of dispersing agent, 0.1 to 0.4 percent of wetting agent, 0.1 to 0.8 percent of defoaming agent, 1.0 to 4.0 percent of propylene glycol, 0.0 to 25.0 percent of rutile type titanium dioxide, 10.0 to 25.0 percent of filler, 0.1 to 0.3 percent of preservative, 0.1 to 1.0 percent of mildew preventive, 0.05 to 0.20 percent of PH regulator, 0.0 to 2.0 percent of film forming aid, 35.0 to 55.0 percent of elastic latex and 0.1 to 2.0 percent of thickening agent. The acid rain resistant flexible outer wall emulsion paint can reduce the damage to outer walls of buildings due to factors of acid rain, concrete outer wall cracking and the like.

A powder coating composition which comprises (A) a fluorine-containing copolymer having a crosslinkable reactive group and (B) a curing agent being capable of forming crosslinkage by reacting with the crosslinkable reactive group of the fluorine-containing copolymer in a weight ratio (A)/(B) of 40/60 to 98/2, and contains rutile titanium oxide and other pigment. The powder coating composition can form a coating film which can exhibit excellent weather resistance even under very strict environment specified in AAMA 2605 standard, etc., and is suitable particularly for an exterior member for building, for example, an aluminum sash.

The invention relates to a coating with performances of self-cleaning, heavy corrosion protection and super weather resistance. The coating with performances of self-cleaning, heavy corrosion protection and super weather resistance comprises an epoxy resin particle system which consists of epoxy resin and curing agent A, and a fluorocarbon resin particle system which comprises fluorocarbon resin, curing agent B and TiO2 nanometer particles. The ratio (weight in parts) of the epoxy resin particle system to the fluorocarbon resin particle system is 4-1:1-4. The self-cleaning powder coating with performances of heavy corrosion protection and super weather resistance disclosed by the invention has phase separation during the curing process to form a fluorocarbon face and an epoxy bottom layer, TiO2 nanometer particles only exist in the fluorocarbon face, and photocatalysis decomposition is prevented under the action of TiO2 due to the high chemical stability of fluorocarbon, so that the powder coating has good performances of self-cleaning, heavy corrosion protection and super weather resistance.

The invention discloses a corrosion proof impregnating varnish used for water-based metal components and a manufacturing method thereof. The corrosion proof impregnating varnish is made of de-ionized water, propanediol, dispersant, antifoaming agent, wetting agent, carbon black, iron oxide black, water borne acroid resin, water borne epoxy resin, dipropylene glycol butyl ether, propylene glycol ether and polyaniline water solution, polyaniline carrier particles or polyaniline emulsion. The manufacturing method comprises: the propanediol and the de-ionized water are mixed and stirred, and then added with the dispersant, the antifoaming agent, the wetting agent and the polyaniline water solution or the water solution of emulsion or carrier particles to be evenly mixed together; the carbon black and the iron oxide black are added in to the mixed solution to form uniform pigment paste which is then put into a blending tank after being ground to be evenly stirred; the obtained mixture is added with the water borne acroid resin, the water borne epoxy resin, the dipropylene glycol butyl ether and the propylene glycol ether to be stirred; finally, the stirred mixture is added with the de-ionized water to be diluted and ground. The invention has the advantages of high coating efficiency, stable coating quality, uniform paint film of dip coating, flat and smooth paint film, good hardness, strong adhesive attraction, good corrosion proof performance, excellent painting performance at edges and corners, no leaking painting, good salt mist resistance, environmental protection, low cost, etc.

The invention discloses a solvent type matte wood lacquer and a preparation method of the same. The solvent type matte wood lacquer contains a first component and a second component, wherein the first component contains curing agent and diluents, and the weight ratio of the curing agent to the diluents is 1:1. The solvent type matte wood lacquer provided by the invention has the advantages of being excellent in decorative effect, protectiveness and durability, being high in adhesive force to bottom layer, excellent in abrasive resistance, high in rigidity and high in scratch resistance, and being high in gloss retention, simple to prepare and easy for large-scale production.

The invention discloses a waterborne polyurethane binder. The preparation method of the waterborne polyurethane binder comprises the following steps of: reacting 20-50 parts of diisocyanate, 80-140 parts of polymer polyol, 0.5-2 parts of trihydric alcohol, 0.5-2 parts of dihydric alcohol, 4-10 parts of hydrophilic chain extender, 10-30 parts of cosolvent and 0.01-0.1 part of catalyst under the protection of nitrogen gas at 75-90 DEG C for 2-4 hours; then, adding 10-30 parts of amine terminated polyether chain extender for reacting at 70-80 DEG C for 2-3 hours; cooling to 30-40 DEG C, and then, adding 3-6 parts of neutralizing agent for reacting for 5-7 minutes; adding 200-500 parts of dispersing agent at the room temperature, and dispersing for 10-20 minutes while stirring at a high speed; and adding 1-2 parts of small molecular chain extender for reacting for 1-2 hours to obtain the waterborne polyurethane binder. The waterborne polyurethane binder disclosed by the invention has the advantages of better mechanical performance, water resistance and adhesive force, good low-temperature performance, high gloss and good gloss retention, is used for waterborne ink and acquires an excellent effect.

The invention relates to a waterborne hydroxyl acrylic finish paint and a preparation method thereof. The waterborne hydroxyl acrylic finish paint comprises a component A and a component B, and the component A comprises, by mass, 50-55 parts of an aqueous hydroxyl acrylic dispersion, 4.5-9 parts of deionized water, 0.2-0.3 part of a pH adjuster, 2-3 parts of a cosolvent, 1-1.2 parts of a wetting and leveling agent, 1-1.2 parts of a brightener, 1-1.2 parts of an emulsifier, 3-4 parts of an anti-settling agent, 0.5-0.7 part of a thickener, 0.2-0.4 part of an antifoaming agent, 0.8-1.5 parts of adispersant, 2-21 parts of a pigment and 10-26 parts of a filler; the component B comprises, by mass, 75-85 parts of an aqueous isocyanate curing agent and 15-25 parts of an environmentally friendly solvent; and a mass ratio of the component A to the component B is (8-10):1 . The finish paint in the invention has far higher hardness and glossiness than existing low-hydroxyl waterborne acrylic polyurethane finish paints, and has a far lower cost than high-hydroxyl waterborne acrylic polyurethane finish paints.

The invention discloses a quick-drying amino baking paint, the components of the quick-drying amino baking paint are as follows:alcoholic acid or acrylic acid resin, dispersing agent, pigment, anti-settling agent, polyhydric dibasic ester, 582-2 resin, leveling agent, dimethyl benzene and normal butyl alcohol. The invention also provides a preparation method of the quick-drying amino baking paint. The quick-drying amino baking paint of the invention is mainly applied in the miniature and thinner steel products such as the fan blade, the outer casing of an air-conditioner, the mechanical cover, the steel barrel and the antitheft door and the like. The quick-drying amino baking paint has the advantages that the baking paint is single componet, and after the baking paint being diluted by the thinning agent, the spraying construction can be directly performed, the construction is convenient, and the drying speed is quick; the paint has good decorative property, and can be made into a variety of pigment according to the requirements; the paint has good adhesive force, high gloss and smooth surface; the paint also has good gloss retention and color retention, more than 75 percent of gloss can commonly be retained after the paint is used outside for 3 years to 4 years by the user ; the preparation method is simple and easy to be realized; after being dried,the paint film is flat and bright.

The invention discloses novel polyurethane semi-matte white finish for woodware protection. The finish is prepared by mixing the following components: stearic acid modified alkyd resin, polyketone resin solution, an antifoaming agent, an anti-settling agent, a dispersing agent, white slurry, handfeel wax powder, aerosol extinction powder, 20 percent hydroxyl modified vinyl acetate (VAGH) resin, a leveling agent, an anti-yellowing auxiliary agent, a deodorant and butyl ester. A film prepared from the novel polyurethane semi-matte white finish has the advantages of fullness, moderate hardness, high flexibility, high water resistance, yellowing resistance and environmental protection; and the semi-matte white finish has high comprehensive performance.

The invention provides an organosilicon epoxy acrylic acid modified waterborne alkyd resin and a coating thereof; the formula of the coating comprises the components in parts by mass: 40-50 parts of an organosilicon epoxy acrylic acid modified waterborne alkyd resin emulsion comprising the components of 45-65 parts of tung oil, castor oil or linseed oil, 25-45 parts of phthalic anhydride, trimellitic anhydride or trimellitic anhydride, 3-10 parts of xylene, 5-10 parts of epoxy ester and 5-10 parts of organosilicon ester; 3-4 parts of a pigment; 6-26 parts of a packing; 10-20 parts of deionized water; 0.05-0.5 part of a dispersant; 0.1-0.3 part of a defoaming agent; and 0.9-2.5 parts of a drier. The preparation method of the emulsion comprises the steps: heating oil, glycerol, pentaerythritol and trimethylolpropane with nitrogen protection, adding an alcoholysis catalyst, heating up, keeping a reaction until the ethanol tolerance degree reaches 2.0-5.0 ml/100 ml, and cooling; adding anhydride and xylene; adding organosilicon ester and epoxy ester, and modifying; and adding acrylate, and modifying; and cooling, and dispersing the mixture for two times. The coating has the advantages that easily-volatile organic compounds are reduced with water as a diluent.

The invention discloses high-performance wind-power generating facility coating prepared by taking organic fluorinated silicone modified elastic polyurethane-urea resin as substrate. The high-performance wind-power generating facility coating is prepared from component A and component B according to proportion. The wind-power generating facility coating has toughness, attrition resistance, high elasticity, excellent mechanical property, yellowing resistance, good colour retention, high ultraviolet resistance, high weather resistance, favorable and excellent electrical insulation, chemical stability, moisture resistance and freeze resistance. In addition, the wind-power generating facility coating has high performance and moderate cost and can strongly protect the wind-power generating facility, reduce the maintenance frequency and lower the purchasing cost of the wind-power generating facility, thereby having extremely high implementation value and social and economic benefit.

This invention discloses a high-strength antirust packaging paint, which is composed of: ethylene resin, epoxy resin, polyurethane alkyd resin, rosin-modified resin, acrylate resin, cadmium stearate, lanoline, diphenyl amine, barium petroleum sulfonate, essence, antirust oil, plasticizer, heat stabilizer, antirust agent, diluting agent, adhesion promoter, leveling agent, UV absorbent, dispersant, defoamer and flame retardant. The packaging paint can be directly sprayed, soak-coated or brush-coated onto objects with any shape or appearance. A bright and smooth protective film is formed several minutes later. The protective film has high antirust performance, and can be stripped off for recycling.

The invention provides water-borne acrylic-modified alkyd resin emulsion which comprises the following components in percentage by weight: 15-25% of polyester modified alkyd resin, 10-20% of a glycol ether solvent, 5-20% of a propylene glycol ether solvent, 0-5% of n-butanol, 5-8% of vinyl monomer, 15-25% of acrylic monomer, 2-6% of BPO, 4-7% of organic amine and 21% of deionized water, wherein the polyester modified alkyd resin comprises the following components: 12-20% of rosin, 22-30% of unsaturated fatty acid, 25-35% of polyester, 3-8% of diethylene glycol, 1-5% of pentaerythritol, 7-12% of maleic anhydride, 3-10% of xylene, 0.5-2.5% of sodium hydrogen sulfite and 10% of a glycol ether solvent and a propylene glycol ether solvent. Compared with the prior art, the water-borne acrylic-modified alkyd resin emulsion has the benefits of higher environment friendliness and better water solubility.