70results about How to "Improve salt water resistance" patented technology

The invention discloses a plasma non-stick pan and a fabrication method thereof. The plasma non-stick pan comprises a pan body and a non-stick coating, and the pan body is coated with the non-stick coating. A plasma layer is arranged between the non-stick coating and the pan body and comprises a MCrALY layer and a mixture layer coated on the outside of the MCrALY layer. The mixture layer is formed by MCrALY particles and metallic oxide particles. The MCrALY layer is good in toughness, high in bonding force, capable of being easily bonded with a substrate, high in bonded firmness and capable of providing a buffer effect well and laying a foundation for subsequent mixture layer coating. The MCrALY particles and the metallic oxide particles are blended in the mixture layer, so that high rigidity and brittleness are provide, and the pan body surface rigidity and anti-abrasion performances are improved greatly; by the buffering effect of the MCrALY layer, the mixture layer and the MCrALY layer are bonded firmly, reliably and enduringly in the condition that the high rigidity and brittleness of the mixture layer is guaranteed.

The lower temperature baked silver mirror back lacquer consists of priming lacquer and finishing paint. The priming lacquer consists of inorganic cross-linking agent, talc powder, barium sulfate, modified alkyd resin, coloring pigment, antiskimming agent, drying agent, and organic solvent in certain weight proportion. The finishing paint consists of inorganic cross-linking agent, talc powder, barium sulfate, modified alkyd resin, coloring pigment, antiskimming agent, drying agent, leveling agent and organic solvent in certain weight proportion. The present invention has silver mirror back lacquer with baking temperature lowered to 100 deg.c, raised adhesion, high wet head resistance, high temperature change tolerance, high salt fog resistance, high salt water resistance, high corrosion resistance and good post finishing property.

The invention discloses a preparation method of an aqueous fluorine-modified phosphorus-containing acrylate emulsion. The preparation method comprises the steps of firstly preparing a pre-emulsion, then preparing a seed emulsion, and carrying out emulsion polymerization, so as to obtain the milky-white and slightly-blue aqueous fluorine-modified phosphorus-containing acrylate emulsion. According to the preparation method, a phosphate emulsifier is taken as an anionic emulsifier, meanwhile, phosphate is added as a functional monomer, phosphate groups are intruded into the emulsion, so that the emulsion has the characteristics of fine granularity and flash rusting resistance, and a coating has high adhesive force and certain salt water resistance; by adding a fluorine-containing modified monomer having good effects in the reduction of surface free energy and the improvement of surface dewatering and oleophobic performance, the water resistance of the coating of the emulsion is enhanced, and the pollution resistance of the coating of the emulsion is improved; meanwhile, the utilized fluorine-containing modified monomer is a fluorine-containing acrylic monomer, so that the problems of environment friendliness and biological harm of a long-fluorocarbon-chain compound are avoided, and the prepared emulsion is environmental friendly; the utilized nonionic emulsifier does not contain APEO (alkylphenol ethoxylate) and is environmental friendly.

The invention discloses a water-based antirust paint and a preparation method thereof. The water-based antirust paint comprises the following active ingredients in parts by weight: 36.0-72.0 parts of water-based resin, 0.01-0.80 part of a dispersing agent, 3.0-10.0 parts of red ferric oxide powder, 7.0-20.0 parts of PAST-2 biological anti-corrosion pigment, 5.0-10.0 parts of barium sulfate, 4.0-9.0 parts of sericite, 10.0-20.0 parts of deionized water, 0.2-0.5 part of a composite type corrosion inhibitor, 0.05-0.1 part of composite anti-corrosion mould-proof bactericide, and 0.05-0.1 part of a defoaming agent. The preparation method comprises the following steps of adding the dispersing agent, composite anti-corrosion mould-proof bactericide, composite type corrosion inhibitor and the defoaming agent into the deionized water, stirring and dissolving, then adding red ferric oxide powder, PAST-2 biological anti-corrosion pigment, barium sulfate and sericite, and stirring at high speed and dispersing to obtain color paste; carrying out ball milling on the color paste, then adding the water-based resin, and evenly dispersing to obtain the water-based antirust paint.

The invention discloses composite modified mortar for air-entrained bricks. The mortar is prepared from the following ingredients (by weight): 58% of quartz sand, 11% of fly ash, 4% of glass fiber, 2% of diatomite, 3% of bentonite, 4.5% of quicklime, 9% of cement, 2% of aluminium powder, 4.5% of redispersible latex powder, 1% of a water reducer and 1% of an additive. The production technology is simple, and cost is low. The prepared mortar has good strength, low thermal conductivity and good crack resistance, is energy-saving and environmentally friendly, satisfies needs of constructional engineering and accords with requirements of environmental protection. By adding expansive soil into cement for calcination modification, adhesion of cement in the mortar is enhanced. By adding diatomite obtained after technological modification, performance of the mortar is improved, and the mortar has little shrinkage deformation. By using 1 wt% of cellulose ether as an additive, bondability of the ingredients is raised so as to further enhance strength of an air-entrained brick.

The invention discloses stable permeation composite type rust coating and a preparation method thereof. The stable permeation composite type rust coating is formed by mixing epoxy resin E-44, xylene, absolute ethyl alcohol, aluminum triphosphate, zinc phosphate, iron oxide red, zinc molybdate, penetrant epoxy phosphate, a dispersing agent, a defoaming agent and a curing agent. Antirust agents are aluminum triphosphate, zinc phosphate and zinc molybdate. Triphosphate radical ions can have a stronger chelating ability with various metal ions, and a passive film is formed on the surface of a coated object; zinc phosphate and ferric ions have a higher condensation ability, phosphate anions react with iron anodes, a firm protection film with ion phosphate as a main body can be formed, and the compact purification film is insoluble in water, high in hardness and excellent in adhesive force; zinc molybdate can release molybdic acid ions, a composite insoluble substance formed on the surface of steel has an anti-rust effect; in this way, the anti-corrosion performance of the coating is excellent through the synergistic effect of the components.

The invention discloses a coupling method for a waterborne epoxy coating and graphene oxide composite coating interfacial hyperbranched polyamide. The method is characterized in that graphene oxide grafted with hyperbranched polyamide in situ is obtained on the basis of a polycondensation reaction of carboxy group on the surface of the graphene oxide and the hyperbranched polyamide; furthermore, abundant amino groups at the ends of hyperbranched polyamide molecules participate in curing of the waterborne epoxy coating to realize the coupling of the waterborne epoxy coating and the graphene oxide. According to the graphene oxide interfacial hyperbranched polyamide, on the one hand, the dispersity of the graphene oxide is improved; on the other hand, interfacial chemical reaction is improved. The method has the advantages that the action of water, saline water, acid and alkali is remarkably isolated from that of hydrophilic groups and base materials in the coating, and the properties such as water resistance, saline water resistance, acid and alkali resistance and the like in the coating are improved.

The invention discloses a salt-water-resistant waterborne acrylic coating. The salt-water-resistant waterborne acrylic coating comprises the following raw materials in parts by weight: 140-180 parts of waterborne epoxy-modified acrylic emulsion, 20-30 parts of fumed silica, 14-20 parts of heavy calcium carbonate, 6-10 parts of precipitated barium sulfate, 10-16 parts of coal gangue powder, 2-4 parts of tetrabutyl titanate, 4-8 parts of water-based defoamer, 3-6 parts of coalescing agent, 2.5-4.5 parts of antifreeze, 2.5-4.5 parts of water-based wetting and leveling agent, 2.5-4.5 parts of water-based preservative, 2.5-4.5 parts of water-based thickener, and 100-140 parts of water. According to the salt-water-resistant waterborne acrylic coating, the obtained coating has excellent curing performance, has a large coating film density, has excellent adhesion, and has extremely high salt water resistant performance, and meanwhile, the phenomenon of coating film sagging is overcome, and thecoating has a long service life.

The invention discloses an anti-rust modified coating, which is prepared from the following raw materials: modified styrene-acrylic emulsion, modified hydroxyl calcium phosphate, a modified rust inhibitor, modified borate, high chlorinated polyethylene resin, xylene resin, diethylene glycol monobutyl ether, aluminum tripolyphosphate, modified zinc phosphate, composite iron-titanium powder, mica powder, triphenyl phosphite, graphite, sodium nitrite, sodium molybdate, chlorinated paraffin, a dispersing agent, a defoaming agent and an anti-flash-rust agent. The anti-rust modified coating has excellent anti-rust performance.

The invention discloses a water-based polymer antibacterial material with good water resistance and a preparation method thereof. The water-based polymer antibacterial material is prepared from the following components in parts by weight: 50-70 parts of modified starch, 20-30 parts of modified water-based polyurethane, 40-50 parts of a reactive emulsifier, 10-15 parts of a nano-silver dispersant, 5-10 parts of negative ion crystals and 10-20 parts of a phenolic antioxidant. The problem that a coating film formed by waterborne polyurethane is low in initial viscosity and poor in water resistance is solved. The water resistance, salt water resistance, corrosion resistance and other physical and mechanical properties of the coating can be effectively improved by adding the reactive emulsifier, and the negative ion crystals are used, so that the waterborne polymer coating can release a large number of negative ions, the content of formaldehyde, voc and dust in indoor air is effectively reduced, and the effects of killing bacteria and removing peculiar smell are achieved.

An oxidized peat fulvic acid composite water retaining agent is prepared from, by mass, 50-60 parts of oxidized peat fulvic acid, 15-25 parts of cationic compound monomers, 8-15 parts of anionic compound monomers, 0.1-0.8 part of a cross-linking agent and 0.4-3.8 parts of initiator. The oxidized peat fulvic acid is prepared from, by mass, 1 part of oxidized peat, 0.05-0.20 part of an oxidizing agent and 2.95-8 parts of industrial pure water. The cationic compound monomer is one of (3-methacrylamidipropyl) trimethyl ammonium chloride, methyl acrylyl ethyl trimethyl ammonium iodide, (3-acrylamidopropyl)trimethyl ammonium chloride, dimethylaminoethyl methacrylate, N,N-dimethylaminoethyl acrylate and 2-diethylaminoethyl methacrylate. The cross-linking agent is composed of, by mass, 5-8 parts of N,N-methylene bisacrylamide and 0.5-3 parts of glycerine or ethylene glycol diglycidyl ether or dimethylol urea. The initiator is prepared from, by mass, 5 parts of ammonium persulfate and 1-4 parts of potassium sulfite.