657 results about "Polyaspartic acid" patented technology

Provided are a nanocomposite polyurethane coating for aviation and a preparation method therefor. The coating is a product obtained by mixing a polyaspartic acid ester resin as a raw material with a fluorine-modified nano-SiO2 containing an active amine group and a fluorocarbon resin and reacting same. The nanocomposite polyurethane coating for aviation solves the problems of poor stain resistance, difficulty in cleaning, and poor toughness of existing aircraft skin coatings, and improves the toughness and ease of cleaning of the coating.

The invention belongs to the field of agricultural chemistry and bio-fertilizer, and discloses a fertilizer synergist based on polyaspartic acid, alginate oligosaccharide and mannan oligosaccharide and a preparation method of the fertilizer synergist. According to the synergist, polyaspartic acid derived from plant source amino acid, alginate oligosaccharide extracted from natural brown algae and mannan oligosaccharide extracted from plants are used as main raw materials, and the polyaspartic acid, the alginate oligosaccharide and the mannan oligosaccharide cooperate to form an induction-complexation-adsorption three-effect-in-one mechanism, wherein the alginate oligosaccharide and the mannan oligosaccharide induce plant root activity and stress resistance gene expression; the polyaspartic acid is dominated to form a multi-point weak complex network, so that slow release and controlled release of nitrogen and potassium ions are realized; the three components cooperate on the surface of soil colloid to form an adsorption layer, and nutrient leaching loss is reduced. The preparation process adopts a green process of'enzymatic pretreatment-segmented complexing-low-temperature forming ', so that the oligosaccharide activity is maintained, and the use of an organic solvent is avoided. The obtained synergist can significantly improve the nitrogen utilization rate and the root activity and prolong the fertilizer efficiency period, and is suitable for green and efficient agricultural production of various crops.

The invention discloses a potassium fulvate chelated macroelement water-soluble fertilizer with stress resistance and growth promotion functions, and relates to the technical field of water-soluble fertilizers, the potassium fulvate chelated macroelement water-soluble fertilizer comprises the following raw materials by weight: 167-210 parts of mineral source potassium fulvate, 450-460 parts of potassium nitrate, 300-310 parts of urea, 150-160 parts of potassium dihydrogen phosphate, 30-40 parts of potassium sulfate, 15-25 parts of EDTA-disodium, and 5-15 parts of citric acid. 0.5 to 1.5 parts of brassinolide and 4 to 6 parts of polyaspartic acid; according to the potassium fulvate chelated macroelement water-soluble fertilizer with the stress-resistant and growth-promoting functions, through chelation cooperation of potassium fulvate and nitrogen, phosphorus and potassium, the solubility of the chelated phosphorus element in water is increased, and the chelated phosphorus element can be more uniformly distributed in soil; by adopting an EDTA-disodium and citric acid composite chelating system, volatilization and loss of nitrogen elements are reduced, the problem of precipitation of calcium, magnesium and phosphorus is solved, and the soil conditioner is suitable for hard water areas and especially has outstanding performance in saline-alkali soil and arid areas.

The invention relates to a composite coating based on modified polyaspartic acid ester, a terrace system and a construction method of the terrace system, and belongs to the technical field of terrace coatings. The composite coating provided by the invention comprises a bottom layer coating, a middle layer coating and a surface layer coating, the prime paint comprises the following components: specific organic silicon modified polyaspartic acid ester prime coat resin; the component of the middle-layer coating comprises specific polyaspartic acid ester floating coat resin; and the component of the surface layer coating comprises specific imide modified polyaspartic acid ester surface coating resin. The invention also provides a terrace system formed after construction of the composite coating, the terrace system has the advantages of crack resistance, compression resistance, moisture resistance, skid resistance, high adhesion, high strength, high wear resistance, yellowing resistance, long service life and the like, does not contain a solvent, avoids environmental pollution caused by volatilization, can keep excellent performance for a long time when being used for outdoor pavements, and has a wide application prospect. The problems of poor applicability, bubbling cracking, yellowing and the like of the existing floor coating in an outdoor severe environment are solved, the application range is wide, and the application value is high.

The invention belongs to the technical field of stainless steel surface treatment, and particularly relates to a stainless steel passivation solution and a preparation method thereof. The water-based cutting fluid is prepared from the following raw materials: cerium salt, copper sulfate, citric acid, sodium dihydrogen phosphate, ammonium molybdate, sodium tungstate, aminated-silane modified SiO2 nanoparticles, polyethylene glycol, L-ascorbic acid, polyaspartic acid, an anti-settling agent, a surfactant and the balance of deionized water. According to the invention, a three-dimensional network skeleton is constructed by using aminated-epoxy group silane modified SiO2 nanoparticles, so that the problem of weak interface bonding force of a traditional passivation layer is solved; according to the formula, the proportion of biodegradable components such as citric acid and polyaspartic acid is extremely high, cerate adopts a low-toxicity rare earth compound, molybdenum / tungsten elements are fixed in a stable oxide form, the dosage of EDTA is remarkably reduced through a compounding technology, residual ions are adsorbed in combination with a three-dimensional network, and the balance of environment friendliness and long-acting corrosion resistance is achieved.

The invention relates to a phosphorus-free zinc-free seawater special-purpose scale and corrosion inhibitor, which comprises, by weight, 20-25% of sulfonic acid modified polyaspartic acid, 8-12% of quaternized chitosan, 5-10% of a sulfonate copolymer, 5-10% of polyepoxysuccinic acid, 1-3% of benzotriazole or methyl benzotriazole, 0.5-1% of sodium tungstate, and the balance of deionized water. According to the formula, traditional corrosion inhibitors such as phosphorus and zinc are completely abandoned, functions are achieved through natural polymer derivatives such as sulfonic acid modified polyaspartic acid and quaternized chitosan, and the scale and corrosion inhibitor has the following environmental protection advantages that the scale and corrosion inhibitor does not contain phosphorus and zinc elements at all, and water eutrophication and heavy metal accumulation caused by a traditional phosphorus and zinc formula are avoided.

The invention relates to a composite reverse osmosis membrane acidic cleaning agent, a preparation method and a cleaning process thereof, and belongs to the technical field of environment-friendly water treatment. The cleaning agent comprises the following components in percentage by mass: 4-8% of inorganic acid, 20-40% of organic acid, 1-3% of a surfactant, 0.5-1% of a chelating agent, 0.5-1% of a compound corrosion inhibitor and the balance of deionized water. The composite corrosion inhibitor is formed by compounding 2-mercaptobenzothiazole and the like according to a specific mass ratio, the molecular weight of polyaspartic acid is 5000, and the molar ratio of Zn to Mo in the zinc-molybdate compound is 2: 1. The preparation method comprises the following four steps: firstly preparing a compound corrosion inhibitor premix, then preparing an acidic base solution, and then sequentially adding the components to finally obtain the cleaning solution. According to the cleaning process, a cleaning agent and deionized water are mixed, the membrane flux recovery rate is larger than or equal to 85% through cleaning of a specific process, the reverse osmosis membrane can be effectively cleaned, and the performance of the reverse osmosis membrane can be recovered.

The invention relates to a preparation method of fluorine-free antifouling bio-based polyurea coating resin with high wear resistance, and belongs to the technical field of high polymer materials. According to the method, polydimethylsiloxane (PDMS) is locked in a polyurea matrix through an interpenetrating network polymerization (IPN) technology, and the environment-friendly coating is prepared by combining a bio-based raw material castor oil (CO) and benzene-free isocyanate. The preparation method comprises the specific steps of prepolymer preparation, mixing of polyaspartic acid ester and PDMS, vacuum defoaming and curing forming. The obtained coating does not contain fluorine compounds and volatile organic solvents (VOCs), and has high hydrophobicity (the water contact angle is larger than or equal to 105 degrees), wear resistance (the Taber wear index is smaller than or equal to 0.1558) and excellent mechanical performance (the tensile strength is 16.64-20.69 MPa). By adjusting the content of PDMS (X value is 10-25%), the hardness (69D-77D), surface energy (26.0-27.8 mJ.m <-2 >) and other properties of the coating can be regulated and controlled, and the coating is suitable for antifouling scenes such as building walls and industrial equipment, and has remarkable environmental protection advantages and application prospects.

The invention relates to the technical field of scale and corrosion inhibitors, in particular to a preparation method and application of an enhanced boric acid efficient environment-friendly phosphorus-free scale and corrosion inhibitor, and the enhanced boric acid efficient environment-friendly phosphorus-free scale and corrosion inhibitor comprises the following components in parts by weight: 50-100 parts of a water-soluble polyol-boric acid mixture, 0-50 parts of polyepoxysuccinic acid, 0-50 parts of polyaspartic acid, 0-50 parts of benzotriazole and 0-50 parts of zinc chloride. The high intermiscibility of polyhydric alcohol, water and boric acid is utilized, the dosage of boric acid in a solution is effectively increased, the effects of boric acid on scale inhibition, corrosion inhibition, sterilization and the like are amplified, meanwhile, the freezing temperature of the scale and corrosion inhibitor is reduced due to the addition of polyhydric alcohol, the scale and corrosion inhibitor can be used in winter more easily, and the scale and corrosion inhibitor is suitable for popularization and application. The invention provides an implementation way of a novel efficient environment-friendly phosphorus-free scale and corrosion inhibitor, and the scale and corrosion inhibitor has the advantages of environment friendliness, convenience in use and good scale and corrosion inhibition performance.

The invention relates to a corrosion and scale inhibitor for TRT and a preparation method of the corrosion and scale inhibitor, and relates to the technical field of chemical reagents. The corrosion and scale inhibitor is prepared from the following components in percentage by mass: 15 to 20 percent of morpholine, 25 to 30 percent of aminoethyl ethanolamine, 15 to 20 percent of 1-hydroxyethyl-2-undecylimidazoline onium salt, 12 to 18 percent of sodium polyaspartate, 8 to 12 percent of itaconic acid-allylsulfonic acid copolymer, 1 to 3 percent of alkyl glycoside and the balance of a mixture of water and glycerol in a mass ratio of 1 to (1 to 3). The corrosion and scale inhibitor disclosed by the invention can synchronously inhibit corrosion of an acid medium and scale deposition of salts such as NH4Cl and the like, and the corrosion inhibition rate and the scale inhibition rate are effectively improved.

The invention provides a green compound scale inhibitor for geothermal fluid. The compound scale inhibitor comprises modified polyaspartic acid, high-hydrolysis polymaleic anhydride, polyepoxysuccinic acid and polyacrylic acid. According to the environment-friendly compound scale inhibitor for the geothermal fluid, the modified polyaspartic acid, the high-hydrolysis polymaleic anhydride, the polyepoxysuccinic acid and the polyacrylic acid are compounded, a good synergistic effect is achieved, scale inhibition is achieved through chelation solubilization and lattice distortion, the scale inhibition advantage in actual geothermal water is obvious, and the environment-friendly compound scale inhibitor has a good actual popularization value.

The invention relates to the technical field of glass cleaning agents, in particular to an environment-friendly cover plate glass cleaning agent and a preparation method thereof. The environment-friendly cover plate glass cleaning agent comprises the following raw materials in percentage by weight: 12-20% of inorganic base, 8-12% of a surfactant, 5-8% of a chelating agent, 3-5% of a humectant, 1-3% of an adsorbent, 1-3% of a dispersing agent, 0.3-1% of a buffering agent and the balance of deionized water, the surfactant is dodecyl glucoside and dodecyl ethyoxyl sulphobetaine, and the weight range ratio of the dodecyl glucoside to the dodecyl ethyoxyl sulphobetaine is (3-1): 1; the chelating agent is one or more of sodium gluconate, sodium polyaspartate and sodium polyepoxysuccinate. According to the present invention, the degradable surfactant and the degradable chelating agent are adopted, and the dispersant is added to modify the nanometer titanium dioxide, such that the low pollution property is achieved while the high decontamination efficiency and the anti-fingerprint ability are considered.

The present invention provides a soil conditioner and a preparation method and application thereof, belonging to the technical field of soil conditioners. The soil conditioner of the present invention comprises the following raw materials in parts by weight: 70 to 90 parts of modified pig manure biochar, 8 to 15 parts of polyaspartic acid, 5 to 10 parts of potassium titanium oxalate, 1 to 3 parts of ammonium molybdate, 40 to 60 parts of calcium silicate, and 20 to 30 parts of lime. The present invention uses a mixed modifier to modify pig manure biochar, which can greatly reduce the content of cadmium and arsenic in edible parts. In addition, the raw materials in the soil conditioner cooperate with each other to reduce the content of heavy metals in the edible parts to the greatest extent.

The invention relates to the technical field of amorphous calcium carbonate preparation, in particular to rosin-coated stable amorphous calcium carbonate and a preparation method and application thereof. Preparing a polyaspartic acid solution, adding an alcohol organic solvent to obtain a composite solvent, adding the regenerated micro-powder into the composite solvent, stirring and uniformly mixing to obtain a suspension, injecting CO2, and carrying out wet carbonization, vacuum filtration separation, washing and drying to obtain regenerated micro-powder micron particles containing ACC; the preparation method comprises the following steps: adding the calcium carbonate into a rosin solvent, uniformly stirring and mixing, and then carrying out vacuum filtration separation, washing and drying to obtain the rosin-packaged amorphous calcium carbonate micron particles. A uniform coating layer can be formed on the surfaces of ACC particles in a viscous solvent state, so that the influence of moisture on ACC crystallization is fully isolated, and the ACC stability is effectively maintained. Meanwhile, controllable dissolution is achieved through protonation in an alkaline environment, the gelling function of calcium carbonate can be recovered in a cement system, and the material performance is improved.

The invention belongs to the technical field of comprehensive utilization of rare earth resources, and particularly relates to a combined inhibitor and a calcium-containing rare earth ore flotation method thereof. The combined inhibitor is a combination of an organic chelating agent aqueous solution and a water glass aqueous solution; the organic chelating agent is one of polyaspartic acid, hydrolytic polymaleic acid and carboxymethyl chitosan; the mass ratio of the organic chelating agent to the water glass is 2: (10-25); the mass percent of the organic chelating agent aqueous solution is 2-10%, and the mass percent of the water glass aqueous solution is 5-8%. The combined inhibitor has the advantages of being high in selective inhibition effect on calcium-containing gangue minerals, environmentally friendly, environmentally friendly, easy to degrade, low in reagent dosage and the like, the grade and the recovery rate of rare earth in obtained rare earth ore concentrate are high, and the process structure is simple.

The invention belongs to the field of preparation of soil conditioners, and particularly relates to a soil loosening and root promoting soil conditioner and a preparation method thereof. A polymer formed by vinyltriethoxysilane, polyacrylic acid and coumarin under the catalytic action of citric acid is mixed with porous powder obtained after crushing and nutrient organic matter, and freeze-drying is performed to obtain the soil-loosening improved fermentation substrate which can be slowly released in soil; polyaspartic acid and acetylchitosamine are cross-linked under the catalytic action of N-hydroxysuccinimide, root-promoting nutrition powder and auxiliary root-promoting components are mixed, and the obtained composite root-promoting agent can significantly promote the growth of plant root systems; a porous structure contained in the protective stability maintaining agent can provide a relatively stable microenvironment for effective components, and the soil loosening and root promoting agent is mixed with the soil loosening and improving fermentation substrate and the composite root promoting agent, so that the prepared soil loosening and root promoting soil conditioner is remarkable in soil loosening and root promoting effect, long-acting and stable, small in dosage, obvious in effect and stable in conditioning effect after being stored.

The invention discloses a temperature change resistant glass material and a preparation method thereof, and relates to the field of glass. When the temperature change resistant glass material is prepared, crystal whisker silicon is soaked in an aluminum hydroxide solution, and then the crystal whisker silicon, nano silicon dioxide, lithium oxide, sodium carbonate and titanium dioxide are heated, mixed and annealed to prepare glass; the preparation method comprises the following steps: sequentially reacting aluminum oxide with 3-aminopropyltrimethoxysilane, 4-bromo-2-hydroxybenzaldehyde and 4-aminopyridine, so as to prepare functionalized aluminum oxide; the preparation method comprises the following steps: carrying out a reaction on polyaspartic acid ester resin, a hexamethylene diisocyanate-based polyisocyanate tripolymer, a functional monomer and an end-capping reagent to prepare modified polyurea; and mixing the modified polyurea with the functionalized aluminum oxide to prepare a coating material, spraying the coating material on the surface of glass, and drying to prepare the temperature-change-resistant glass material. The temperature-change-resistant glass material prepared by the invention has the capabilities of fouling prevention, heat conduction, impact resistance, coating self-repairing and aging resistance.

The invention discloses a special slow-release compound fertilizer for corn and a preparation method thereof, the special slow-release compound fertilizer comprises the following raw materials by weight: 30-40 parts of urea, 15-20 parts of ammonium sulfate, 20-25 parts of potassium sulfate, 15-25 parts of monoammonium phosphate, 2-3 parts of a seaweed extract, 0.5-1.5 parts of polyaspartic acid, 0.5-1.5 parts of trace elements, and 0.5-1 part of a slow-release agent, the slow-release agent comprises DMPP, the trace elements comprise zinc-boron-titanium citrate, and the slow-release agent comprises potassium sulfate, potassium sulfate, potassium sulfate, monoammonium phosphate, polyaspartic acid, zinc-boron-titanium citrate. The seaweed extract comprises chitosan. DMMP is added into the formula, so that stable supply of nitrogen and synergistic yield increase benefits are achieved; the chitosan, the titanium zinc borate citrate and the polyaspartic acid are added, so that the absorption efficiency of the root system is further improved, the robust growth of corn plants is promoted together, and the acre yield and the grain quality of the corn are effectively improved.

The invention discloses a process for repairing damaged soil ecology by lincomycin waste liquid fertilizer, and relates to the technical field of soil remediation, which comprises the following specific steps: step 1, screening and culturing microbial decomposition flora, the invention has the following advantages: through the chelation of the polyaspartic acid derivative on metal ions and the promotion effect on nutrient absorption, the release and transmission of nutrients are precisely regulated and controlled, so that crops can absorb and utilize the nutrients more efficiently; the nano composite material and the specific biological stimulant containing various beneficial microbial strains and natural plant extracts are jointly fused into the liquid fertilizer, the microbial strains in the specific biological stimulant activate the soil biological environment, the natural plant extracts assist plant growth to resist diseases, and the nano composite material and the natural plant extracts have a synergistic effect, so that the liquid fertilizer has a good application prospect. Physicochemical properties and biological activity of soil are optimized, excellent soil micro-ecology is created for plant growth, healthy and strong growth of plants is promoted, and restoration of damaged soil is enhanced.

The invention provides polyborosiloxane modified polyaspartic acid ester, a preparation method thereof and a polyurea coating, and relates to the technical field of coatings. The structure of the polyborosiloxane modified polyaspartic acid ester provided by the invention comprises amino-terminated polyborosiloxane, and a Si-O bond and a B-O bond of the amino-terminated polyborosiloxane have high bond energy, relatively long bond length and relatively large bond angle; the polyurea coating synthesized from the polyborosiloxane modified polyaspartic acid ester has the advantages of favorable heat resistance, favorable weather resistance, favorable hydrophobicity and favorable elongation at break.

The invention provides high-capacity and high-compaction lithium iron phosphate as well as a preparation method and application thereof, and relates to the technical field of lithium ion batteries. Specifically, an iron source, a lithium source, a carbon source, a dispersing agent, an additive and water are mixed and ground, and a first spray material is obtained after spray drying; mixing and grinding a second iron source, a second lithium source, a second carbon source, a second additive and water, and performing spray drying to obtain a second spray material; fully mixing the two spraying materials, calcining and crushing to obtain lithium iron phosphate; wherein the dispersing agent is prepared from one of polyurethane, polyaspartic acid or a polyhydric alcohol-polyethylene imine block copolymer. According to the preparation method, by introducing the specific dispersing agent, the phenomenon of over-burning fusion can be effectively avoided, and a small-particle material with uniform size is obtained, so that the electrochemical performance is improved; and the mixture is mixed with the spraying material without the dispersing agent, so that the compaction density is effectively improved, and the high-capacity and high-compaction lithium iron phosphate is obtained.

The invention relates to the technical field of adhesives, and particularly discloses a low-formaldehyde environment-friendly adhesive and a preparation method thereof. The invention relates to a low-formaldehyde environment-friendly adhesive which is prepared from the following raw materials in parts by mass: 30-50 parts of modified starch, 15-25 parts of vegetable protein, 5-10 parts of modified nano cellulose, 2-5 parts of a composite cross-linking agent and 80-150 parts of water, the composite cross-linking agent comprises amino silane and polyaspartic acid; the modified starch is prepared by performing graft copolymerization on starch subjected to enzymolysis by alpha-amylase and composite anhydride; the vegetable protein is subjected to alkalization and heat treatment before being used; the modified nano-crystalline cellulose is prepared by performing ring-opening etherification reaction on nano-crystalline cellulose, epoxypropane and ethylene oxide in sequence. The low-formaldehyde environment-friendly adhesive prepared by the invention has relatively good bonding strength and relatively low formaldehyde emission.

The invention discloses a polyaspartic acid ester polyurea coating as well as a preparation method and application thereof. The polyaspartic acid ester polyurea coating comprises a component A and a component B, the mass ratio of the component A to the component B is (3-5): 1; the component A is prepared from the following raw materials: polyaspartic acid ester, a silane-terminated polyether polymer, a processing aid and a filler; and the preparation raw material of the component B comprises aliphatic polyisocyanate. The silane modified ether polymer is added into the polyaspartic acid ester polyurea anticorrosive paint disclosed by the invention, so that the toughness, strength and compactness of a prepared coating can be improved, and the impact resistance and chemical corrosion resistance of the coating are enhanced. The silane structure of the silane modified polymer is used as an adhesion promoter to improve the bonding effect of the coating and the base material and improve the adhesion between the polyaspartic acid ester polyurea coating and the substrate, so that other primer is not needed, the construction process is simplified, the construction efficiency is improved, and the construction cost is reduced.

The invention relates to the technical field of coatings, and discloses a composite coating for heat insulation, heat preservation and heat reflection cooling and a preparation method thereof. Comprising an anti-corrosion primer, a heat-insulation intermediate paint and a heat-reflection cooling finishing paint, the heat insulation intermediate paint comprises a component A and a component B in a weight part ratio of (3-5): 1, and the heat reflection cooling finish paint comprises a component C and a component D in a weight part ratio of (2-4): 1; the component A mainly comprises the following components in parts by weight: 40-60 parts of modified bisphenol A epoxy resin and 2-8 parts of petroleum resin; the component B mainly comprises 60-90 parts of an amine composite curing agent prepolymer; the component C is mainly prepared from 20 to 40 parts of hydroxy acrylic resin, 5 to 10 parts of polyfunctional polyether modified polyaspartic acid ester and 5 to 10 parts of bifunctional polyaspartic acid ester resin; and the component D mainly comprises 70-100 parts of a polyisocyanate polymer. The composite coating is excellent in heat insulation and cooling performance and good in construction effect.

The invention relates to the technical field of functional coatings, in particular to a high-strength rain erosion resistant coating and a preparation method thereof.The high-strength rain erosion resistant coating is composed of polyaspartic acid ester resin (A) and a high-elasticity aliphatic polyurea curing agent (B), 2, 3-bis (aminomethyl) cyclohexane, chain-extended diamine and diethyl maleate are subjected to an addition reaction to prepare the high-molecular polymer; the component B is synthesized from dicyclohexylmethane diisocyanate, isophorone diisocyanate, polycarbonate diol and a hexamethylene diisocyanate tripolymer step by step; the high-strength rain-erosion-resistant coating is obtained by adding the functional filler, the flatting agent, the ultraviolet absorbent and the environment-friendly solvent into the component A and the component B in a stirring reaction kettle and stirring in a heat preservation mode, a coating film of the high-strength rain-erosion-resistant coating has excellent mechanical strength, meanwhile, the high-strength rain-erosion-resistant coating is more resistant to rain erosion, construction is convenient and fast, and the high-strength rain-erosion-resistant coating is remarkably superior to a commercially available optimal protective film; the method can be widely applied to outer surface protection of high-end equipment such as aviation, wind power and high-speed rails.

The invention relates to the technical field of coatings, and discloses a composition for a polyurethane waterproof coating, the polyurethane waterproof coating as well as a preparation method and application of the polyurethane waterproof coating. The composition contains a main agent and an auxiliary agent, the main agent is formed by polymerizing raw material components including polyol, diisocyanate A, bisphenol A epoxy acrylate and a prepolymer; the prepolymer is prepared by a method comprising the following steps: in the presence of a polymerization catalyst, carrying out contact reaction on bisphenol A epoxy resin, polyaspartic acid ester, diisocyanate B and an isocyanate tripolymer to obtain the prepolymer, the use amount molar ratio of the bisphenol A epoxy resin to the polyaspartic acid ester to the diisocyanate B to the isocyanate tripolymer is 1: (0.6 to 1.5): (0.5 to 1): (0.05 to 0.5). The coating provided by the invention is high in modulus, and has higher tensile strength, hardness and waterproof performance.

The invention provides a solvent-free polyaspartic acid ester polyurea floor coating and a preparation method thereof, the coating comprises a main agent and a curing agent, the main agent comprises polyaspartic acid ester resin, a functional auxiliary agent and a pigment filler; the functional auxiliary agent comprises a dispersing agent, a defoaming agent, a flatting agent, a water absorbent and a coupling agent, and the pigment filler comprises pigment and filler; the curing agent comprises a hydroxyl cyclic ketone compound modified polyisocyanate composition. By optimizing and modifying the components in the radix asparagi polyurea coating, a terrace material can be endowed with excellent properties in the aspects of rapid curing, high-humidity constructability, performance retention rate after curing, leveling wettability, good adhesive force with various coating substrates, high and low temperature resistance, high strength and the like, and the comprehensive performance is excellent; the method is suitable for different terrace application fields.

The invention relates to the technical field of scale inhibitors, and particularly discloses a preparation method of a corrosion and scale inhibitor, which comprises the following steps: dissolving modified polyaspartic acid in hydrogenated diesel oil, adding an antioxidant, and uniformly mixing to obtain a solution A; dissolving hydrolytic polymaleic anhydride in hydrogenated diesel oil to obtain a solution B; the preparation method comprises the following steps: uniformly mixing an imidazoline oleoyl polyamine corrosion inhibitor and 2-amino-5-methyl-4-phenylthiazole to obtain a mixture C; the preparation method comprises the following steps: adding sodium dodecyl benzene sulfonate into hydrogenated diesel oil, then adding nano titanium dioxide and nano zinc oxide, and uniformly mixing to obtain dispersion liquid D; dissolving a dispersing agent in the hydrogenated diesel oil to obtain a solution E; and mixing the solution A and the solution B in a reactor, heating for reaction, adding the mixture C, heating for reaction, cooling, adding the solution E, adding the dispersion liquid D, heating for reaction, cooling, carrying out solid-liquid separation, and distilling to obtain the product. The corrosion and scale inhibitor prepared in the invention has good temperature resistance.

The invention provides a fully synthetic cutting fluid special for a copper part and a preparation process thereof. The fully synthetic cutting fluid special for the copper part comprises the following raw materials in parts by weight: 0.5-2.0 parts of a defoaming agent, 1.0-3.0 parts of an antioxidant, 0.5-2.0 parts of a corrosion inhibitor, 2.0-5.0 parts of a surfactant, 0.5-1.5 parts of a metal ion complexing agent and 80.0-100.0 parts of deionized water. Wherein the antioxidant is prepared from carnosol, daidzin and butylated hydroxytoluene. The carnosol and the daidzin can be used for reducing the oxidation reaction by capturing free radicals, and the butylated hydroxytoluene can be used for further enhancing the anti-oxidation effect by interrupting the oxidation chain reaction. And through the combined action and mutual complementation of different anti-oxidation mechanisms, a synergistic effect is formed, and oxidation of the copper part in the machining process is effectively prevented. Wherein the metal ion complexing agent is composed of isothiocyanate, polyaspartic acid and amino trimethylene phosphonic acid, multiple protection mechanisms are formed, and the corrosion resistance of the copper part is remarkably improved. And the existence of the metal ion complexing agent is also beneficial to improving the stability of the cutting fluid.

The present invention relates to an adhesive production method for fast curing at low temperatures for structurally bonding materials together, and to an adhesive composition obtained by this method.