31results about How to "Improve early water resistance" patented technology

An inorganic water paint rich in Zn for steel contains the component A prepared from Zn powder, thickening agent and filler and the component B prepared from mixed silicon sol, deposition resistant, emulsion, surfactant and assistant. Its advantages are high resistance to salt fog and ageing, low cost and no environmental pollution.

The invention relates to an industrial coating, in particular to an anti-doodling coating for an outdoor facility and a preparation method of the anti-doodling coating. The anti-doodling coating mainly aims at solving the technical problems that a doodling coating in the prior art contains a bonding agent, has higher attaching power on a general surface, and is relatively difficult to remove by using a physical or chemical method after setting in case of vicious doodling, and the surface is prone to being damaged. The anti-doodling coating disclosed by the invention is an oxidative dry type single-component waterborne coating, and comprises the following components by part by mass: 30-65 parts of fluorinated polyacrylate-modified soybean oil polyurethane resin, 1-10 parts of additive, 15-30 parts of pigment and filler and 10-25 parts of water.

The invention relates to a modified inorganic lithium silicate binder, and in particular relates to a water-based binder containing lithium silicate, silica soil and auxiliaries. More specifically, the modified inorganic lithium silicate binder comprises 10-25 parts of lithium silicate, 60-75 parts of silica soil and 10-15 parts of modified binder and 0.6-3 parts of auxiliaries, wherein the lithium silicate is prepared from 3-10 parts of de-ionized water, 0.5-1.5 parts of lithium hydrate, 5-12 parts of silica soil and 1-2 parts of stabilizer through a reaction; the modified binder is organic fluorine and / or an organic silicon modified acrylic emulsion. The binder provided by the invention is environment-friendly and free of pollution; the content of SiO2 of the modified inorganic lithium silicate binder does not exceed 20%; and the binder is low in viscosity, short in drying time; as a result, the formed dry film is insoluble in water, and excellent in bonding strength, flexibility and impact resistance; the binder is used for preparing an anticorrosion water-based inorganic zinc rich paint, and the combination properties of the paint film are improved; especially, the paint film is excellent in corrosion resistance, high in bonding strength, tough and wear resistant, and also excellent in crazing resistance, oil resistance, organic solvent resistance, weather fastness and high / low temperature resistance; the paint film has the welding performance with paint and has a function of protecting steel structures against corrosion for a long time.

The invention relates to a polyurethane aqueous dispersion containing a hydroxy group as well as a preparation method and application of the polyurethane aqueous dispersion. The polyurethane aqueous dispersion containing the hydroxyl group contains long-carbon-fatty-chain vegetable oil modified polyol, polyether triol and other polyol components. By virtue of reaction between the polyurethane aqueous dispersion and an isocyanate curing agent, quick film formation can be realized, and a formed film has excellent water resistance, chemical resistance, film formation property, glossiness, flexibility and sanding property as well as quick surface drying property.

The invention belongs to the technical field of aqueous coating materials, and provides a copolymer P, an aqueous dispersion resin containing the copolymer P, and applications of the aqueous dispersion resin in aqueous coating materials. The copolymer P is prepared by carrying out a reaction on the following components by weight: 3-30 wt% of a hydroxyl-free hydrophobic polymer I, 30-80 wt% of a hydroxyl functional hydrophobic polymer II, and 10-40 wt% of a carboxyl functional hydrophilic polymer III, wherein a monomer Ia and an initiator are subjected to a polymerization reaction to obtain thehydroxyl-free hydrophobic polymer I, and the monomer Ia is one or a variety of materials selected from a vinyl compound, a vinyl ester and (methyl) acrylate. According to the present invention, withthe application of the obtained aqueous dispersion resin in the coating material, the early-stage water resistance of the prepared paint film can be significantly improved.

The invention belongs to the technical field of paint and specifically relates to black waterborne automotive chassis paint and a preparation method thereof. The black waterborne automotive chassis paint is prepared from the following raw materials of 20 to 25% of self-emulsification acrylic modified epoxy ester resin, 20 to 25% of waterborne epoxy ester dispersoid, 0.5 to 1.0% of a waterborne drier, 0.01 to 0.5% of graphene, 1 to 2% of carbon black, 5 to 10% of compound zinc phosphate, 10 to 15% of barium sulfate, 1 to 2% of a corrosion inhibitor, 1 to 2% of an environment-friendly solvent, 0.1 to 0.2% of a neutralizing agent, 0.2 to 0.5% of a defoaming agent, 0.4 to 0.6% of a leveling agent, 0.3 to 0.5% of a base material wetting agent, 15 to 39.5% of deionized water and 0.5 to 1.0% of athickening agent. The black waterborne automotive chassis paint disclosed by the invention has very low smell; meanwhile, the product has the advantages of good dryness, good early water resistance and excellent salt spray resistance property.

The invention relates to a waterborne anticorrosive coating as well as a preparation method and application thereof. The waterborne anticorrosive coating is prepared from the following components in parts by weight: 60 to 80 parts of a membrane-forming substance, 2 to 3 parts of a membrane-forming aid, 1 to 5 parts of a filler, 4 to 11 parts of a functional aid, 0.1 to 0.3 part of bentonite and 5to 10 parts of water, wherein the membrane forming substance is carboxyl-containing modified waterborne acrylate polymer emulsion prepared by self-crosslinking adipic dihydrazide, diacetone acrylamideand an acrylate monomer; and the filler is of a sheet-shaped or needle-shaped structure. The waterborne anticorrosive coating is green and environment-friendly; excellent anti-corrosion performance is realized; the service life of a corresponding coating product can be effectively prolonged; the waterborne anticorrosive coating can be widely applied to industrial and retail places with light anticorrosive requirements, has excellent adhesive force, can be directly attached to various substrates, does not need to use primer, can achieve real primer-topcoat integration, and effectively reducesthe process complexity of anticorrosive product preparation.

The invention discloses sand-in-water colorful paint with excellent early water resistance. A method comprises the steps of production of protective glue, production of base paint, production of a sand-in-water colorful paint continuous phase, production of colorful particles and production of the colorful paint. The early water resistance of the sand-in-water colorful paint can be effectively improved, and the problems that paint turns white and changes color due to weather change in practical construction can be well solved.

The invention discloses a preparation method of water-based paint from kaolin filler. The preparation method is characterized in that alkali metal silicate and small-particle-size silica sol are compounded into an Si-O-Si polymer mesh structure during the film forming process, early water resistance of paint film is improved greatly, and final hardness, scratch resistance and stain resistance in the paint film are improved greatly; organic polymer emulsion is added, film forming property of the paint can be improved, and the defects in the traditional two-component water-based paint such as proneness to cracking, poor decorativeness and poor storage stability are overcome. The paint made by the preparation method has the functions such as environment protection, toxicity resisting, heat insulating, high wash resistance, wear resistance, yellowing resistance, aging resistance, stain resistance, good breathability and acoustic insulation.

The invention belongs to the field of marine coating, and particularly relates to a water-based inorganic zinc silicate workshop primer and a preparation method thereof. Potassium silicate with the modulus being 3.7 is adopted as a raw material, silica sol and a silane coupling agent are added to prepare high-modulus potassium silicate with the modulus being 6, then styrene-butadiene emulsion or styrene-acrylic emulsion is added to modify the high-modulus potassium silicate, and finally zinc powder, ferrophosphorus powder and feldspar powder are added to prepare the water-based inorganic zinc silicate shop primer. Various properties of the emulsion are researched by testing viscosity, solid content, modulus and storage stability of the emulsion, and appearance, initial water resistance, adhesive force, weather-proof protection period and the like of a coating film. The addition of the silica sol and the silane coupling agent improves the dryness, the early water resistance, the crosslinking curing degree and the adhesive force, and the addition of the styrene-butadiene emulsion or the styrene-acrylic emulsion greatly improves the substrate wettability, the flexibility and the adhesive force of a coating film.

The invention relates to the technical field of polymer materials, and discloses a deodorizing full-effect children's paint. The paint comprises, by mass, 10-20% of water, 1-2% of a dispersant, 0.1-1%of an anionic surfactant, 0.2-1% of a defoamer, 0.5-2% of a thickener, 0.5-2% of a rheological agent, 10-30% of a pigment, 10-30% of a filler, 36-46% of a functional emulsion, 0.5-1.2% of a deodorizing film-filming aid, 0.1-2% of an antibacterial agent, 1-0.4% of a preservative and 0.5-2% of an antifreeze agent. The paint has the advantages of good resistance to dirt and scrubbing, no formaldehyde, no peculiar smell, high hiding power and good antibacterial and mildew-proof effects, and is used for painting the interior wall of a child's room in order to effectively solve the problems generated in the children's room and make the child live in a safe and comfortable environment. The paint can achieve a good effect when brushed two times during use.

The invention discloses a water-based polyurethane anti-corrosion coating for containers and a preparation method thereof. The raw material formula is composed of the following components in terms of weight percentage: 5-14% of tap water, 20-50% of water-based polyurethane dispersion, and 10% of acrylic emulsion -20%, anti-rust pigment 5-10%, body filler 10-25%, coloring pigment 0-15%, anti-settling agent 0.3-1.0%, film-forming aid 2-6%, thickener 0.3-1.0% , defoaming agent 0.1-0.4%, salt-spray resistant hydrophobic agent 0.5-1.0%, anti-corrosion and anti-mold agent 0.1-0.3%, pH regulator 0.1-0.4%, wetting and dispersing agent 0.5-1.0%, antifreeze agent 0.5-2 %, leveling agent or substrate wetting agent 0.1-0.4%; the product of the present invention does not contain harmful substances such as organic solvents and heavy metals, and has excellent environmental protection, simple and convenient construction, safe and stable storage, and excellent performance.

The invention belongs to the technical field of paint, and particularly relates to a water-based crane protection primer and a preparation method thereof. The water-based crane protection primer is prepared from the following raw materials: water-based alkyd resin, water-based epoxy resin, water-based driers, graphene, pigments, composite zinc phosphate, barium sulfate, environmental-friendly solvents, neutralizers, anti-foaming agents, leveling agents, substrate wetting agents, deionized water and thickening agents. The water-based crane protection primer has the advantages of good water resistance and anti-corrosion performance.

The invention relates to a water-based engineering machinery decoration finishing coat and a preparation method thereof, belongs to the technical field of coatings, and concretely relates to a water-based crane decoration finishing coat and a preparation method thereof. The finishing coat comprises, by weight, 40-60% of waterborne alkyd resin, 0.3-1.0% of an aqueous drier, 1-5% of titanium dioxide, 10-20% of molybdate red, 6-15% of barium sulfate, 1-2% of an environmentally friendly solvent, 0.1-0.2% of a neutralizer, 0.2-0.5% of a defoamer, 0.4-0.6% of a leveling agent, 0.3-0.5% of a substrate wetting agent, 20-40% of deionized water and 0.5-1.0% of a thickener. The finishing coat has a VOC content of 100 g / L or less, and has a very low smell and a good environmental protection performance; and the finishing coat can be fast hard on a paint film, and the hardness of the finishing coat after 1 h surface drying can reach HB.

The invention provides a high-toughness insulating epoxy resin cured product as well as a preparation method and application thereof. The high-toughness insulating epoxy resin cured product comprisesthe following raw materials: matrix resin, a curing agent, a toughening agent and an accelerant, the matrix resin is a mixture of an epoxy resin and an inactive resin modifier containing a hydrophobicaliphatic chain and an aromatic ring, the toughening agent is a mixture of an active diluent and nanoparticles, andhydrogen bonds can be formed between the active diluent and the nanoparticles. Thelong hydrophobic aliphatic side chain and the aromatic ring in the inactive resin modifier can endow the product with extremely low viscosity, so that the viscosity of the epoxy resin is reduced, the compatibility between the epoxy resin and other components is improved, the flexibility is improved, excellent early water resistance, hardness performance and corrosion protection are provided, and excellent insulation and heat resistance are provided; the reactive diluent can react with the nanoparticles to form a damping branched chain and toughening suspension chain structure with the nanoparticles, so that the intermolecular distance of an epoxy resin system can be increased, and better toughness is provided.

The invention discloses a waterproof coating for metal roofs and a preparation method thereof. The main technical point of the technical solution is a waterproof coating for metal roofs, which includes A component and B component; the A component includes the following raw materials in parts by weight: water 150 -155 parts, dispersant 6-8 parts, defoamer 1-3 parts, wetting agent 1-2 parts, titanium dioxide 45-55 parts, zinc oxide 8-12 parts, heavy calcium carbonate 400-420 parts, 8-12 parts of ethylene glycol, 0.7-0.9 parts of hydroxyethyl cellulose and 0.8-1.2 parts of 2-amino-2-methyl-1-propanol; the B component includes the following components by weight: polymerization 340-360 parts of emulsion, 1-3 parts of bactericide, 5-7 parts of film-forming aids, 1-3 parts of defoamer and 5-7 parts of thickener. The waterproof coating of the present invention has the advantages of high adhesion to substrates, good low temperature flexibility, and good anti-cracking performance under the condition of rapid temperature change.

The invention relates to a water-resistant inorganic zinc-rich coating and a preparation technology thereof. The coating is prepared from the following raw material components: a potassium silicate solution, aluminum modified silica sol, a trimethyl benzyl ammonium hydroxide catalyst, dodecyl glycol amide, a silane coupling agent, silicon-acrylic emulsion, low lead zinc powder and a potassium zirconium carbonate hardener; the coating is prepared by the processes of mixing, heating, stirring, and the like. In a preparation process of the coating, the early water resistance of a paint film is improved by adding the potassium zirconium carbonate hardener.

The present invention provides a silane polycondensate modified water dispersible polyisocyanate polymer and a preparation method and application thereof. The polymer has the following chemical formula: each R is independently selected from any hydrolyzable group; n in the chemical formula is an integer greater than or equal to 1; a is an integer selected from 1, 2, 3, 4 and 5; R1 and R2 are any groups which do not participate in the reaction. The outstanding advantages of the silane polycondensate in the aspects of drying speed and water resistance are creatively utilized, the isocyanate compound is modified by a chemical grafting method, and the water-based paint prepared by adopting the curing agent has outstanding early-stage water resistance.

The invention discloses a fluorocarbon-modified water-based alkyd resin coating and its preparation method and application, belonging to the technical field of alkyd resin. The fluorocarbon-modified water-based alkyd resin coating comprises 10 parts by weight of FEVE fluorocarbon resin ~25 parts, 25~35 parts of linseed oil, 10~15 parts of trimethylolpropane, 5~10 parts of pentaerythritol, 15~20 parts of phthalic anhydride, 10~12 parts of benzoic acid, 2~5 parts of adipic acid, polyether 2-5 parts of PPG1000, 5 parts of xylene, 0.02 part of lithium hydroxide, appropriate amount of triethylamine, 10-12 parts of propylene glycol methyl ether; the invention also discloses the preparation method and application of fluorocarbon modified water-based alkyd resin coating, The fluorocarbon modified water-based alkyd resin coating prepared by the present invention has excellent early water resistance, and the early water resistance exceeds more than 7 days; it has excellent late water resistance, generally exceeding 10 days; it has excellent salt spray resistance, exceeding 13 days.

The invention discloses a water-based potassium silicate zinc-enriched primer having fast drying excellent heat insulation property and used for surface treatment of steel structures; the primer is prepared from the following raw materials in parts by weight: 105-108 parts of a flake zinc powder, 14-16 parts of potassium silicate, 1.4-1.8 parts of a water-based polyurethane emulsion, 5.5-6.5 parts of a styrene-acrylic emulsion, 4.1-4.6 parts of methyltriethoxysilane, 1.1-1.3 parts of praseodymium chloride, 5-7 parts of a brucite fiber, 2.2-2.5 parts of tin antimony oxide, 0.7-0.9 part of sodium lignosulfonate, 0.9-1.2 parts of aluminum oxide, 3.2-3.5 parts of dimethylethanolamine, 7-9 parts of sodium-based bentonite, and 23-25 parts of deionized water. The styrene-acrylic emulsion is modified by the water-based polyurethane emulsion and then is added to the raw materials to be composited with a potassium silicate solution, the flake zinc powder is co-modified by silane doped rare earths, then other effective auxiliary agents are matched, and thus the zinc-enriched primer is prepared; the zinc-enriched primer has the advantages of fast drying speed, good thermal insulation property and good early water resistance.

The invention belongs to the technical field of paint and specifically relates to black waterborne automotive chassis paint and a preparation method thereof. The black waterborne automotive chassis paint is prepared from the following raw materials of 20 to 25% of self-emulsification acrylic modified epoxy ester resin, 20 to 25% of waterborne epoxy ester dispersoid, 0.5 to 1.0% of a waterborne drier, 0.01 to 0.5% of graphene, 1 to 2% of carbon black, 5 to 10% of compound zinc phosphate, 10 to 15% of barium sulfate, 1 to 2% of a corrosion inhibitor, 1 to 2% of an environment-friendly solvent, 0.1 to 0.2% of a neutralizing agent, 0.2 to 0.5% of a defoaming agent, 0.4 to 0.6% of a leveling agent, 0.3 to 0.5% of a base material wetting agent, 15 to 39.5% of deionized water and 0.5 to 1.0% of athickening agent. The black waterborne automotive chassis paint disclosed by the invention has very low smell; meanwhile, the product has the advantages of good dryness, good early water resistance and excellent salt spray resistance property.

The invention relates to a water-resistant aqueous inorganic zinc-enriched coating with an added lithium carbonate hardening agent, and a preparation process of the coating. The water-resistant aqueous inorganic zinc-enriched coating comprises the following components: a potassium silicate solution, a silicone acrylic emulsion, aluminum modified silica sol, dodecyl diol amide, a ilicone acrylic emulsion, a trimethyl benzyl ammonium hydroxide catalyst, a gamma-aminopropyl trimethoxy silane coupling agent, low-lead zinc powder and a zirconium carbonate potassium hardening agent. The aqueous inorganic zinc-enriched coating is prepared from the components through processes such as mixing and stirring, heating and the like. When the coating is prepared, the zirconium carbonate potassium hardening agent is added, and thus the early-stage water resistance of a coating membrane can be improved. The coating is simple in process and relatively good in application prospect.

The invention discloses a microencapsulated curing agent, and a water-based inorganic zinc-rich anticorrosive coating based on the microencapsulated curing agent. The microencapsulated curing agent is formed by coating a curing agent in a silicon dioxide shell layer. The water-based inorganic zinc-rich anticorrosive coating added with the microencapsulated curing agent has a relatively high curing rate, so that the obtained coating has relatively good early-stage water resistance.

The invention relates to a method of preparing water resistant inorganic zinc-rich paint by adding a zirconium carbonate hardener. The paint is prepared by dropwise adding aluminum modified silicasolinto a low modulus potassium metasilicate solution to form a high modulus potassium metasilicate solution as an adhesive agent of the zinc-rich paint, adding a benzyltrimethylammonium hydroxide catalyst, dodecyl diol amide, isopropyl dioctyl tetra-oleophosphoric titanate and silicone acrylic emulsion to achieve uniform particle size distribution of the potassium metasilicate solution and no gelation reaction for a long time, and then adding the zirconium carbonate hardener to improve early water resistance of a paint film.