77results about How to "Strong resistance to salt water" patented technology

The nano composite water-base epoxy resin coating material comprises: epoxy constituent composed of epoxy resin, active diluent, nano SiO2 particle, and silane coupling agent; and water-base amic curing agent constituent composed of water-base amic curing agent, wet dispersant, defamer, paint, filler, film-forming adjuvant, thickener, and water. This invention also discloses opposite preparation method, improves greatly product properties, and has no pollution.

The invention discloses a solvent-resistant acrylic emulsion, belonging to the field of acrylic emulsions. The solvent-resistant acrylic emulsion comprises 180-260 parts of water, 50-60 parts of styrene, 40-50 parts of butyl acrylate, 0.5-5 parts of acrylic acid, 1-5 parts of an anionic emulsifier, 1-5 parts of a functional monomer, 0.2-1 part of an initiator, 0.1-0.5 part of an oxidant and 0.1-0.5 part of a reducing agent. The preparation method for the solvent-resistant acrylic emulsion comprises the following steps: 1) pre-emulsification; 2) polymerization; and 3) post-elimination. The solvent-resistant acrylic emulsion provided by the invention is improved in scrub resistance and solvent resistance while having the basic performance of good adhesion, hardness, water resistance, salt water resistance, salt spray resistance, scrub resistance and the like, so the application scope of the acrylic emulsion is broadened, the application properties of the coating are enhanced, the basic performance of the emulsion is substantively improved, and the cost performance of the emulsion is greatly improved.

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 invention provides a waterborne monocomponent polyurethane severe corrosion-resisting primer and a preparation method thereof. The primer is prepared from waterborne monocomponent polyurethane emulsion, a rust resisting pigment, a coalescing agent, a defoaming agent, a thickening agent, optional wax emulsion, physical filler, a dispersing agent and deionized water. The waterborne corrosion-resisting primer provided by the invention has the advantages of high antirust ability, excellent corrosion resistance, as well as high adhesion and good water resistance of the whole paint film; in addition, the whole paint film has excellent waterproof and antifouling properties and a metal base material is strengthened.

The invention discloses a high-performance priming and finishing combined paint with corrosion inhibition, pollution prevention and heavy corrosion protection functions. The paint comprises two components: a component A includes a curing agent, an adhesion promoter, a wetting dispersant, silicon dioxide, hollow glass beads, talcum powder, nano micro powder, an anti-settling agent, a curing accelerator and an environment-friendly solvent; and a component B includes solvent-free liquid epoxy resin, modified elastic epoxy resin, silica sand, a wetting dispersant, superfine precipitated barium sulfate, titanium dioxide, aluminum triphosphate, barium metaborate, nano micro powder, an anti-settling agent, multi-functional auxiliaries, a corrosion inhibitor, an anti-fouling agent, high-strength hollow glass beads and an environment-friendly solvent. By aid of reasonable allocation of the component concentration, the paint has excellent adhesive force, durability, abrasion resistance and impact resistance, and excellent salt water resistance, oil resistance, alkali resistance and a certain degree of acid resistance; and the solid content is high, and the construction is convenient.

The invention relates to the technical field of paints, in particular to heat-resistant paint and a preparation method thereof. The heat-resistant paint is prepared from the following components in parts by mass: 8-12 parts of tung oil, 3-5 parts of quartz powder, 1-3 parts of aluminum phosphate, 4-9 parts of polyarylsulfone resin, 4-9 parts of polyimide resin, 5-7 parts of butanol, 3-7 parts of nonisocyanate polyurethane, 2-4 parts of china clay, 2-4 parts of talcum powder, 5-8 parts of cobalt iso-octoate, 0.2-1.2 parts of an anti-settling agent, 8-18 parts of a curing agent and 2-6 parts of an anti-cracking agent. The heat-resistant paint has the benefits that 1 the heat-resistant paint prepared by mixing the tung oil, the polyarylsulfone resin, the polyimide resin, the butanol, the nonisocyanate polyurethane, the talcum powder and the cobalt iso-octoate is good in heat-resistant effect, and has excellent physical and chemical properties such as the decorative property, the heat resistance, the salt fog resistance, the salt water resistance, the water resistance, the cold tolerance, the oil resistivity, the hydrocarbon solvent resistance, the adhesive force, the impact strength and the flexibility.

The invention discloses a hydrophobic anti-corrosion ceramic coating, which uses epoxy resin and modified silicone resin as a film-forming material, and adds various fillers, auxiliary agents and solvents, including body fillers, pigments and fillers, curing agents, coloring Agent, toughener, diluent, leveling agent, epoxy coupling agent and solvent. The hydrophobic anti-corrosion ceramic coating of the present invention has stable performance, strong adhesion, excellent salt water resistance, strong acid and alkali corrosion resistance, good weather resistance, high hardness, and excellent wear resistance; and it is environmentally friendly and non-toxic (low VOC), and has Good protection, decoration and functional effects, low price of raw materials, simple preparation method, suitable for the surface of metal substrates that need to be protected under harsh corrosion environments.

The invention provides a water-based primer for a railroad bridge. The water-based primer comprises water-based red lead alkyd antirust primer and water-based ash cloud iron alkyd finishing coat, wherein the water-based red lead alkyd antirust primer comprises the following components in percentage by weight: 25%-30% of water-based alkyd resin, 35%-43% of national standard red lead powder, 5%-6% of environment-friendly zinc phosphate, 5%-8% of super zinc phosphate, 5%-8% of precipitated barium sulfate, 0.2%-0.3% of water-based dispersing agent, 0.1%-0.2% of water-based defoaming agents, 0.1%-0.2% of water-based foam inhibitors, 1%-2% of hydrated magnesium silicate, 0.5%-1% of water-based composite drying agents, 0.2%-0.4% of water-based anti-skinning agents, 0.5%-1% of water-based thickening agents, 0.5%-1% of neutralizing agents, 0.5%-1% of flash-rust inhibitors, 1%-2% of film-forming auxiliary agents, 0.1%-0.2% of water-based wetting agents and 7.0%-9.0% of deionized water. The product provided by the invention has the advantages of fastness in drying, high corrosion-resistant capacity and salt-fog resistant property, can achieve no blistering or rusting on a surface for more than 1000 h, is very excellent in salt-water resistant property and generates no phenomenon of blistering and rusting after being soaked into a 3% sodium chloride solution for 480 hours.

The invention provides modified high chlorinated polyethylene antirust coating and a preparation method thereof. The modified high chlorinated polyethylene antirust coating comprises the following raw materials in parts by mass: 72-78 parts of high chlorinated polyethylene resin, 10-12 parts of polyvinyl chloride resin, 5-7 parts of zinc borate, 8-10 parts of tributyl citrate, 0.6-1.2 parts of polyvinyl acetate, 0.1-0.5 part of a stabilizer, 8-10 parts of iron oxide red, 8-14 parts of mica powder, 30-40 parts of toluene and 15-18 parts of ethyl acetate. The modified high chlorinated polyethylene antirust coating has good resistance to acid and base and salt water resistance, is relatively short in drying time, convenient to coat and free of limitation of seasons and can be cured at a low temperature; the preparation method provided by the invention is simple and practicable and is suitable for large-scale popularization and application.

The invention discloses a waterborne epoxy anticorrosive antirust paint. With a waterborne epoxy elusion as a matrix, a plurality of pigment fillers and assistants, the waterborne epoxy anticorrosive antirust paint comprises a waterborne epoxy emulsion, water-based zinc phosphate, modified aluminum triphosphate, rutile titanium dioxide, a coalescing agent, a water-based defoamer, a thickener SN636, a wetting agent PE-100, a fungicidal preservative, a flash rusting agent, a dispersing agent 5040, a flatting agent and deionized water. The waterborne epoxy anticorrosive antirust paint is environmentally friendly; the raw materials are low in price; the preparation process is simple; meanwhile, the salt-water resistance is excellent; the adhesive force is high; and the flash rusting effect is good.

The invention discloses a graphene-based/montmorillonite-modified polyurethane floor material and a preparation method thereof. The graphene-based/montmorillonite-modified polyurethane floor material is prepared from the following components in parts by weight: 27-47 parts of polyurethane, 7-14 parts of isocyanate, 3-6 parts of a defoaming agent, 1-4 parts of a wetting dispersant, 1-6 parts of a water absorbent, 1-4 parts of a catalyst, 6-18 parts of graphene, 8-17 parts of montmorillonite, 3-11 parts of ferric chloride, 3-12 parts of sodium carbonate, 3-17 parts of hydrochloric acid and 8-19 parts of borax. Compared with the prior art, the graphene-based/montmorillonite-modified polyurethane floor material disclosed by the invention has the advantages that no free isocyanate is produced in the product, no organic volatile substances are introduced, and the mechanical and chemical properties are good.

The invention discloses a compound cold galvanized coating. The compound cold galvanized coating comprises, by weight, 7-9 parts of modified acrylic resin, 77-79 parts of zinc powder, 1-3 parts of aluminum powder and 11-13 parts of a coating solvent, wherein the acid value of the modified acrylic resin is 0-5mgKOH/g, and the glass-transition temperature of the modified acrylic resin is 20-60DEG C.The compound cold galvanized coating has the advantages that the solid content in the compound cold galvanized coating is more than 80%, the zinc content in a dry film is more than 90%; compared withthe addition of the singular zinc powder, the addition of flake electrostatic conductive aluminum powder to the coating further improves the barrier protection effect of the coating film on the ironand steel surface, and salt water resistance and salt fog resistance are better, and meanwhile, cathodic protection is well provided, and the iron and steel surface can be protected for a long time even in the harsh marine environment; the anticorrosion performance can be comparable to hot galvanizing, flexibility and practicability are even better than hot galvanizing, and the compound cold galvanized coating is widely used in large bridges, airports, stations, offshore facilities and other steel structures.

The invention discloses a water-based epoxy enamel paint being a two-component coating which is prepared by epoxy resin emulsion, curing agents, tinting pigments, auxiliaries and so on. The water-based epoxy enamel paint has tough paint films and the advantages of excellent adhesion, flexibility, abrasive resistance and shock resistance and good chemical resistance, solvent resistance, water resistance, salt water resistance, durability and corrosion resistance. The water-based epoxy enamel paint is widely applied to the surface rust protection of ships, steel structures, wharf steel facilities and so on.

The invention relates to a natural rubber chloroprene rubber composition for a seawater-resistant rubber support as well as a preparation method and application of the natural rubber chloroprene rubber composition. The composition comprises the following components in parts by weight: 50-85 parts of natural rubber, 15-50 parts of chloroprene rubber, 5-15 parts of a vulcanization system and 2.5-7.5 parts of a compatilizer, the vulcanization system comprises a vulcanizing agent, an acid acceptor and a vulcanization accelerator, the vulcanizing agent is selected from one or a combination of sulfur and dicumyl peroxide, and the acid acceptor is selected from one or a combination of zinc oxide and magnesium oxide; the accelerant is selected from one or a combination of two of dibenzothiazyl disulfide and ethylene thiourea (2-thiol imidazoline); the compatilizer is chlorinated butyl rubber. The composition provided by the invention has excellent salt water resistance, thermal aging resistance and low temperature resistance.