227 results about "Sodium gluconate" patented technology

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 relates to a method of producing a carbonated composite:a. providing a particulate mineral material, wherein the mineral material comprises metal slag, wherein the metal slag comprises steel slag;b. providing a modifier, wherein the modifier comprises sodium gluconate;c. mixing the mineral material and the modifier with water to form a slurry;d. treating the slurry with carbon dioxide, to form a wet solid residue, wherein the concentration of carbon dioxide is greater than about 10 vol%; ande. drying the wet solid residue to form the carbonated composite.

The application discloses an oil and gas field polymer solution viscosity protection system with improved ferrous ion tolerance, and belongs to the technical field of oil and gas field chemicals.The system comprises the following components in mass percentage: 5-10% of a ferrous ion stabilizer, 10-20% of a free radical capturing agent, 10-20% of a structure reinforcing agent, 5-10% of a synergist, and the balance of water; the ferrous ion stabilizer is at least one selected from sodium gluconate, potassium gluconate, diethylene triamine pentaacetic acid and hydroxyethylidene diphosphonic acid; the free radical capturing agent is a compound containing phenolic hydroxyl; the structure reinforcing agent is an imidazoline compound; and the synergist is an aldehyde compound.The application method of the viscosity protection system is as follows: the viscosity protection system is first added into liquid water, polymer powder is then added, a gel breaker is further added, and stirring is uniformly performed to obtain a polymer solution.The viscosity protection system significantly reduces the influence of ferrous ions on the viscosity of the polymer solution, and improves the application effect of polyacrylamide substances in the field of oil and gas fields.

The invention relates to the technical field of catalyst preparation, and discloses a carbon modified copper-based catalyst and a preparation method and application thereof. The method comprises the following steps: (1) sequentially carrying out coprecipitation and aging on an alkaline precipitant solution, a metal salt solution and an anion modifier solution to obtain an intermediate product I; and (2) under the condition that the oxygen concentration is not higher than 5% by volume, roasting the intermediate product I to obtain the carbon modified copper-based catalyst, the anion modifier solution contains sodium dodecyl diphenyl ether disulfonate and sodium gluconate in a molar ratio of 1: (1-10); the pH value of the anion modifier solution is 9-11; the metal salt solution contains zinc salt, copper salt and aluminum salt. The prepared carbon modified copper-based catalyst has the advantages of high conversion per pass of carbon dioxide, low activation temperature, high methanol selectivity, long-period operation and stable structure.

The invention relates to the technical field of well cementation engineering, in particular to a multi-element micromolecule compounded high-temperature-resistant oil well cement retarder and application thereof. The multi-element micromolecule compounded high-temperature-resistant oil well cement retarder is prepared from the following raw materials in parts by weight: 20 to 30 parts of disodium 1-hydroxyethylidene-1, 1-diphosphonate, 5 to 10 parts of sodium tetraborate, 5 to 10 parts of sodium gluconate, 2 to 5 parts of chromium sulfate and 65 to 130 parts of water. The invention can effectively solve the problem of performance failure of the traditional oil well cement retarder caused by a large temperature difference environment with a bottom hole circulation temperature of more than 220 DEG C and more than 90 DEG C.

The invention relates to the technical field of building materials, and discloses special waterproof concrete for a waterproof curtain based on a mineral admixture and a preparation method of the special waterproof concrete. The metastable state shielding main slurry takes cement, S95-grade slag powder and microbeads as cementing materials, and sodium carbonate, sodium gluconate and salt-tolerant anionic polyacrylamide are used as auxiliary materials; the delayed acid activator is prepared from aluminum sulfate octadecahydrate, citric acid monohydrate and water. The preparation method comprises the steps that the two components are prepared respectively and conveyed through an independent pipeline, and the component B is directly injected into a central flow field of the component A at the tail end of a grouting pipeline. By means of calcium ion shielding and aluminum ion delayed release mechanisms, the contradiction between slurry long-distance conveying fluidity keeping and rapid thixotropic hardening after mixing is solved, and a formed consolidation body has an organic and inorganic interpenetrating network structure, is excellent in anti-seepage performance and is suitable for deep underground engineering waterproof curtain construction.

This invention relates to the field of semiconductor cleaning technology and discloses a cleaning agent for semiconductor silicon wafers and its preparation method. This cleaning agent aims to solve the problem that traditional strong alkaline or phosphate-based wet electronic chemical cleaning agents easily corrode the silicon wafer surface, damage the crystal lattice, and thus affect electrical performance. This cleaning agent utilizes a multi-component synergistic effect: a surfactant system composed of alkyl glycosides and sophorolipids enhances particle wetting and stripping; lipase and silicon-pharmacoprotein precisely catalyze the removal of specific contaminants; sodium gluconate complexes metal ions; gelatin-polyacrylamide copolymer disperses contaminants to prevent secondary contamination; glycerol and trehalose maintain enzyme activity; and ultrapure water ensures the system meets the electronic-grade purity standards for wet electronic chemicals. Overall, it avoids strong alkaline corrosion, maintains the integrity of the silicon wafer lattice, and improves particle removal efficiency, meeting the high standards required for wet electronic chemical-based silicon wafer cleaning agents in advanced processes.

The application belongs to the technical field of concrete admixtures, and particularly relates to a grass-planting concrete admixture and application thereof. The grass-planting concrete admixture comprises the following raw materials in parts by weight: silica fume 80-86 parts, water reducing agent 2-4 parts, accelerator 5-10 parts, adjusting agent 1-2 parts, and reinforcing agent 2-4 parts; the reinforcing agent is prepared by mixing polyacrylamide, EVA emulsion and sodium gluconate at a mass ratio of 1:1:2. The grass-planting concrete admixture is used for preparing concrete, which can effectively improve the strength of the grass-planting concrete, the compressive strength of which is more than 15 MPa, and promote the growth of plants, guarantee the porosity and provide an excellent living environment for the growth of plants, and effectively solve the problems of the prior art.

The invention relates to the technical field of degumming agents, and discloses a preparation process of a degumming agent for a solar photovoltaic silicon wafer. The degumming agent comprises the following components in percentage by weight: 2-8% of tetramethylammonium hydroxide, 3-6% of organic alcohol amine, 0.5-1.5% of alkyl glycoside, 0.2-0.8% of a chelating agent, 0.5-3% of a functional additive and the balance of deionized water, the chelating agent is sodium gluconate; the functional additive comprises a sodium silicate corrosion inhibitor, a thickening agent and a penetrating agent; the preparation method comprises the following steps: S1, adding trimethylamine and epoxy chloropropane into tetrahydrofuran, carrying out stirring reaction at 60-65 DEG C for 8-15 hours, and removing a solvent to obtain a cationized intermediate; s2, adding the cationized intermediate into water, adding sodium carboxymethyl cellulose, uniformly stirring, heating and pressurizing to 120-130 DEG C, stirring and reacting for 8-12 hours, and removing the solvent to obtain the modified sodium carboxymethyl cellulose.

The invention relates to the technical field of concrete admixtures, in particular to a preparation method of a high-performance concrete retarder. According to the method, graft copolymerization and supramolecular chemical modification are organically combined, firstly, straw fibers serve as a matrix and are subjected to free radical graft copolymerization with acrylic acid and acrylamide, carboxyl and amide functional groups are introduced, and nanofibers with a slow release function are formed; then constructing a dynamic network structure with sodium gluconate and zinc ions through supramolecular self-assembly (hydrogen bonds and coordinate bonds), compounding with the modified sweet potato powder, and performing swelling treatment to obtain the retarder. According to the retarder prepared by the method, the initial setting time reaches 9-10 hours, the final setting time reaches 10-11 hours, the compressive strength of 3d exceeds 45MPa, the compressive strength of 28d reaches 75MPa or above, and the retarder has good compatibility with a polycarboxylate superplasticizer and is free of the problem of condensation sensitivity. The method is suitable for the low-carbon fields of maritime work cement, light building materials and the like.

The invention relates to the technical field of building material preparation, and discloses a composite foaming preparation method of a light sound-insulation hollow brick, which comprises the following steps: firstly, preparing a negative coordination precursor solution, forming a complex by using sodium gluconate and borax, and dissolving sodium alginate; performing dry premixing on the lithium salt coagulant, the cement and the mineral admixture; mixing the precursor solution, the dry powder and the prefabricated foam to prepare slurry; after pouring, calcium ions excited by lithium salt are used for replacing borate radicals in the precursor solution, and the slurry is induced to generate rheological mutation in a standing stage, so that bubbles and a hollow structure are locked; and finally, curing and demolding to obtain a finished product. By constructing a negative coordination shielding and ion replacement triggering mechanism, the problems that high-porosity slurry is prone to mold collapse and poor in foam stability are solved, an organic gel network is formed in a matrix, and the acoustic damping performance and mechanical stability of the hollow brick are remarkably improved.

The invention relates to the technical field of low-carbon gelling, in particular to a preparation method of a low-carbon gelling material containing AOD (Argon Oxygen Decarburization) slag solid waste. The preparation method comprises the following steps: adding 50-60 parts of activated AOD slag and 20-30 parts of modified aluminum oxide into 80-100 parts of water, stirring and dispersing to form a matrix suspension, sequentially adding 10-15 parts of biomass ash, 5-8 parts of nano CaCO3 and 3-5 parts of sodium carbonate into the matrix suspension, and stirring at the stirring speed of 200-300 rpm for 30-40 minutes; 0.8-1.2 parts of superfine basalt fibers and 0.3-0.6 part of sodium gluconate are added, the mixture is stirred at the speed of 500-600 rpm for 15-20 min, and the low-carbon cementing material is obtained. The early strength increasing speed of the low-carbon cementing material containing the AOD slag solid waste is increased, and the durability of the low-carbon cementing material containing the AOD slag solid waste under complex environmental conditions is improved.

The application discloses a kind of corrosion and scale inhibitor sulfur removal agent and preparation method thereof, belong to sulfur removal agent technical field, by weight parts including following components: hydroxyl alkyl amine modified triazine compound 30~60 parts, polyaspartic acid scale inhibitor 10~25 parts, sodium gluconate 5~15 parts, ethylenediamine tetramethylene phosphonic acid sodium 3~10 parts, organic phosphonic acid corrosion inhibitor 2~8 parts and water 20~40 parts;The hydroxyl alkyl amine modified triazine compound is prepared by triazine sulfur removal agent and N-methyl diethanolamine or diethanolamine under 50~80 ℃ for 2~4 hours, wherein the molar ratio of triazine sulfur removal agent and hydroxyl alkyl amine is 1:0.3~0.8.The application is prepared by using hydroxyl alkyl amine modified triazine compound as core sulfur removal component, triazine sulfur removal agent and N-methyl diethanolamine or diethanolamine are reacted under specific temperature and time, which greatly improves the capture activity and reaction rate of hydrogen sulfide, and improves water solubility and dispersibility, realizes efficient sulfur removal.

The invention provides super-retarded concrete and a preparation method thereof. The super-retarded concrete is prepared from the following raw materials in parts by weight: 250 to 350 parts of cement, 80 to 120 parts of fly ash, 60 to 100 parts of superfine slag powder, 600 to 800 parts of sand, 1000 to 1200 parts of stone, 150 to 200 parts of water, 3 to 5 parts of a high-efficiency water reducing agent, 8 to 12 parts of a composite retarder, 5 to 7 parts of an expanding agent and 32 to 45 parts of an anti-cracking agent, wherein the composite retarder is prepared from sodium gluconate, citric acid and sodium lignin sulfonate, and the mass ratio of the sodium gluconate to the citric acid to the sodium lignin sulfonate is (2.5 to 3.5) to (1.5 to 2.5) to (0.5 to 1.5). According to the super-retarding concrete, the setting time of the concrete can be remarkably prolonged, and the problems of long-time pouring of a building structure, 'cold joint 'in mass concrete construction, slump loss in summer construction and the like are well solved; meanwhile, the super-retarded concrete provided by the invention can reduce hydration heat and improve crack resistance, and can well meet the construction requirements of mass concrete.

The application discloses a kind of high-efficiency cleaning methods of fine mud-adhered granular activated carbon, and relates to the field of adsorption separation technology.The method comprises the following steps: immersing granular activated carbon in a first aqueous medium, alternately performing pressure swing treatment by reducing pressure and increasing pressure, and discharging the medium containing fine mud that falls off;then, the activated carbon is cleaned by pulse ultrasonic cleaning using a second aqueous medium, at least two different ultrasonic frequencies are used in the cleaning process, and the medium is synchronously circulated, extracted, separated from fine mud and returned;finally, the activated carbon is treated with a final cleaning solution containing tetrasodium glutamate diacetate and sodium gluconate, and then washed with water to obtain cleaned granular activated carbon.By the synergistic effect of pressure disturbance, multi-frequency pulse ultrasonic, circulating mud removal and chelation cleaning, fine mud adhered to the surface and pores of the activated carbon can be efficiently removed, and the adsorption performance can be restored.The process is efficient and has good cleaning effect.

The invention belongs to the technical field of building construction, and relates to a negative pressure type deep hole grouting material and a construction method. The grouting material comprises the following components in parts by weight: 60-70 parts of cement, 3-5 parts of sodium gluconate, 3-15 parts of hydrophobic fibers, 10-18 parts of silicon dioxide, 20-25 parts of fly ash, 1.5-5 parts of a thickening agent, 0.01-1 part of a water reducing agent, 0.01-1 part of an expanding agent and 50-70 parts of water. The grouting material is improved, sodium gluconate, hydrophobic fibers and silicon dioxide are added at the same time, and the adding amount is controlled, so that the grouting material is more suitable for negative pressure grouting, and the problem of concrete holes is solved.

The invention belongs to the technical field of snow melting and deicing, and discloses an environment-friendly cleaning snow-melting agent for a road surface and a preparation method thereof. The snow-melting agent is composed of 40-80 parts of a chlorine salt solution, 10-20 parts of potassium acetate, 1-10 parts of sodium gluconate, 1-10 parts of urea, 80-100 parts of glycerin and 1-10 parts of a corrosion inhibitor. Wherein the chlorine salt solution comprises 20-40 parts of calcium chloride, 10-20 parts of magnesium chloride and 100 parts of water, and the corrosion inhibitor comprises 1-10 parts of zinc dihydrogen phosphate, 1-10 parts of sodium tungstate, 1-5 parts of thiourea and 1-10 parts of sodium dodecyl benzene sulfonate. The preparation method comprises the steps of raw material pretreatment, mixing and dissolving, corrosion inhibitor adding and the like. The snow melting agent disclosed by the invention has the advantages of good snow melting effect, low corrosivity, small environmental influence, long acting time and low cost, and can reduce the spraying frequency and protect the surrounding environment.

The invention discloses ultra-smooth magneto-rheological polishing slurry for inhibiting surface defects of monocrystalline silicon and a polishing method. The ultra-smooth magneto-rheological polishing slurry comprises the following components: nano cerium oxide with the particle size of 50nm, a dispersing agent, a dispersion stabilizer, a surfactant and a pH regulator, the ultra-smooth magnetorheological polishing slurry comprises the following components in percentage by mass: 1-3 wt% of nano cerium oxide, 0-1 wt% of a dispersing agent, 0.1-2.0 wt% of a dispersion stabilizer, 0-0.5 wt% of a surfactant, 0.1-2 wt% of a pH regulator and the balance of water. The spherical cerium oxide with the size of 50 nm is used as the grinding material, the particle size is small, the sphericity degree is high, meanwhile, sodium gluconate and / or potassium gluconate are / is used as the dispersing agent, and the dispersion stabilizer and the surfactant are added, so that the dispersity of the small-size cerium oxide grinding particles with the size of 50 nm in the polishing solution can be improved; good roughness of the surface of the monocrystalline silicon can be achieved, meanwhile, surface damage can be restrained, and defects caused to the surface of the monocrystalline silicon in the polishing process are avoided.

The invention relates to a polycarboxylic acid water reducer and a preparation method thereof, and belongs to the technical field of polycarboxylic acid water reducers. The polycarboxylic acid water reducer comprises the following components: isopentenyl polyoxyethylene ether, acrylic acid, an acrylate monomer, modified talcum powder, sodium lignin sulfonate, sodium gluconate, ethylene glycol monovinyl polyethylene glycol ether, ammonium persulfate, methyl ethyl ketone peroxide, sodium hydrosulfide, a chain transfer agent and deionized water. The prepared water reducing agent has excellent fluidity, dispersibility and mechanical strength after being added into concrete.

The invention discloses a preparation method of a rapidly-solidified micro-expansion mining filling material and a continuous filling process, and relates to the technical field of filling materials. The preparation method comprises the following steps: mixing cement, gypsum, an early strength agent, an accelerator, an expanding agent, calcium formate, sodium gluconate and polypropylene fibers to obtain a mixed dry material; mixing the mixed dry material with water to obtain slurry; foam generated by foaming liquid through foaming is introduced into the slurry, and foam concrete slurry is obtained; and molding and curing the foam concrete slurry to obtain the filling material for the rapid-solidification micro-expansion mine. The quick-setting micro-expansion mining filling material prepared by the invention has excellent water resistance and mechanical properties. In addition, due to the filling effect of the foam and the expansion effect of the expanding agent, the prepared rapid-setting micro-expansion mining filling material further has low density, the demand quantity of the filling material during filling can be reduced, and then the filling cost is reduced.

The invention relates to the technical field of textile printing and dyeing, and particularly discloses a disperse dye as well as a preparation method and application thereof. The disperse dye provided by the invention comprises a disperse pigment and an auxiliary agent, the auxiliaries comprise ionic liquid containing imidazolyl, sodium gluconate and sucrose stearate. According to the invention, specific components of the auxiliary agent in the disperse dye are limited, and all the components have a synergistic effect, so that the structural stability of the disperse pigment in an alkali and hydrogen peroxide coexistence environment is obviously improved, and the dyeing uniformity and stability of the disperse dye on polyester-cotton knitted fabric can also be improved.

The application relates to the technical field of adhesion agents, and discloses a preparation method of an environment-friendly adhesion agent for aluminum alloy, which comprises the following steps: adding water, potassium hydroxide, sodium chloride, sodium gluconate, anhydrous tripotassium phosphate, polyether DF-20, 8-hydroxyquinolyl polycarboxylic acid adhesion agent, sulfosuccinate and sodium isooctyl alcohol sulfate into a reaction kettle and stirring uniformly to obtain the environment-friendly adhesion agent for aluminum alloy. The 8-hydroxyquinolyl group contained in the 8-hydroxyquinolyl polycarboxylic acid adhesion agent can interact with the surface of the aluminum alloy or the tinplate through coordination, and meanwhile, the carboxyl contained in the polycarboxylic acid adhesion agent can interact with the carboxyl and other groups in the water-based acrylic resin emulsion through hydrogen bonding, so that the polycarboxylic acid adhesion agent plays a bridging role between the aluminum alloy and the acrylic resin paint film, the adhesion and the bonding performance between the acrylic resin paint film and the base material are enhanced, and better adhesion grade and greater T-peeling strength are achieved.

The application belongs to the technical field of water treatment, and particularly relates to a groundwater heavy metal removal system and method, wherein a water solution of a complexing agent is injected into groundwater at an upstream, the complexing agent comprising the following components in parts by weight: 10 parts of ethylenediamine disuccinic acid tetrasodium salt; 3-3.5 parts of sodium gluconate; 1.5-2 parts of ferrous sulfate heptahydrate; 0.8-1 part of citric acid monohydrate; and 5-6 parts of sodium bicarbonate; a reaction wall is built at a downstream, a strong reduction filler layer is arranged in the reaction wall, the strong reduction filler layer comprises sulfur-modified zero-valent iron particles and conductive particles, the strong reduction filler layer reduces high-valence heavy metals in the groundwater to generate stable precipitates, and the application can promote the heavy metals to flow to the reaction wall, avoid the heavy metals from being retained in soil, and improve the removal effect on the heavy metals.

The invention discloses a new energy battery aluminum shell microbial water-based cleaning agent and a preparation method thereof, and belongs to the field of chemical engineering, the new energy battery aluminum shell microbial water-based cleaning agent comprises 10-20% of potassium hydroxide, 5-10% of sodium metasilicate pentahydrate, 1-5% of sodium gluconate, 1-5% of a corrosion inhibitor, 1-5% of a microbial nutrient, 1-5% of a penetrant, 1-5% of isomeric alcohol ethoxylates, 1-5% of sodium alkyl naphthalene sulfonate, 1-5% of an auxiliary agent, and 1-5% of sodium lignin sulfonate. 0-2% of a polyether defoaming agent, 0-1% of microbial bacteria and the balance of deionized water, totaling 100%. The product disclosed by the invention can decompose organic matters into harmless simple substances by utilizing a microbiological degradation technology and combining with an efficient emulsifying surfactant, so that the wastewater discharge is reduced, and the wastewater treatment cost is reduced.

The invention provides a concrete hydration heat temperature inhibitor as well as a preparation method and application thereof, and relates to the technical field of concrete admixtures, the concrete hydration heat temperature inhibitor comprises the following components in parts by weight: a core retarding temperature inhibition component: 7-10 parts of sodium gluconate and 2-4 parts of chitosan hydrolysate; a nano reinforced composite carrier: 22-30 parts of a nano montmorillonite / fly ash compound and 8-12 parts of calcined zeolite powder; a gradient response wrapping layer: 8-12 parts of fully refined paraffin, 5-7 parts of stearic acid and 1-2 parts of nano silicon dioxide; functional auxiliary components: 0.8 to 1.5 parts of a cross-linking agent, 2 to 3 parts of an emulsifying agent, 1.2 to 1.8 parts of a dispersing agent, 3 to 5 parts of dicalcium silicate micro powder and 0.1 to 0.3 part of graphene oxide; through a gradient wrapping structure of a paraffin outer layer, a stearic acid middle layer and nano SiO enhancement, segmented release within 12-36 hours is realized, compared with traditional single-layer wrapping (8-12 hours), the controlled release period is prolonged by 200%, primary and secondary hydration heat peaks can be inhibited at the same time, and the temperature reduction amplitude is increased by 50-70%.

The invention discloses a treatment method of basalt fibers and application of the basalt fibers in protective fences and protective nets, and relates to the technical field of basalt fiber treatment.The method comprises the steps that a pretreatment agent containing boric acid, sodium gluconate, nitrate and imidazoline surfactants is prepared, and the basalt fibers are subjected to ultrasonic-assisted activating treatment; and carrying out impregnation and gradient curing on the fiber by using a composite modification liquid containing water-soluble epoxy resin, a silane coupling agent, chitosan and the like. According to the method, through the synergistic effect of boric acid and sodium gluconate, metal ions are effectively chelated, the surface activity and interface bonding strength of the fibers are improved, and the treated fibers have excellent tensile strength, shear strength and environmental aging resistance. The obtained fiber is suitable for manufacturing high-strength and high-durability protective fences and protective nets.

The invention relates to the field of building waterproof materials, in particular to a dynamic crystallization-based mass concrete temperature-inhibiting anti-cracking intelligent waterproof agent and a preparation method thereof. The waterproof agent comprises a temperature-inhibiting component and a temperature-inhibiting component, wherein the temperature-inhibiting component comprises 0.2-0.5 part of citric acid, 0.3-0.4 part of tartaric acid, 1.2-1.9 parts of S105 high-activity superfine mineral powder and 0.07-0.09 part of sodium gluconate; an expansion anti-cracking component: 0.1 part of calcium sulphoaluminate, 0.01 part of modified calcium oxide and 0.06-0.08 part of light magnesium oxide; the dynamic crystallization component comprises the following components in parts by weight: 0.9 to 1.2 parts of calcium hydroxide, 0.9 to 1.4 parts of magnesium fluosilicate, 0.3 to 0.5 part of nano active silicon and 1.1 to 1.4 parts of sodium silicate. The invention relates to the field of building waterproof materials, in particular to a dynamic crystallization-based mass concrete temperature-inhibiting and crack-resisting intelligent waterproof agent and a preparation method thereof, and the technical problems of temperature inhibition, crack resistance and waterproof repair of mass concrete are solved through synergistic interaction of all the components of the dynamic crystallization-based mass concrete temperature-inhibiting and crack-resisting intelligent waterproof agent. The waterproof agent comprises a temperature-inhibiting component and a temperature-inhibiting component, wherein the temperature-inhibiting component comprises 0.2-0.5 part of citric acid, 0.3-0.4 part of tartaric acid, 1.2-1.9 parts of S105 high-activity superfine mineral powder and 0.07-0.09 part of sodium gluconate; an expansion anti-cracking component: 0.1 part of calcium sulphoaluminate, 0.01 part of modified calcium oxide and 0.06-0.08 part of light magnesium oxide; the dynamic crystallization component comprises the following components in parts by weight: 0.9 to 1.2 parts of calcium hydroxide, 0.9 to 1.4 parts of magnesium fluosilicate, 0.3 to 0.5 part of nano active silicon and 1.1 to 1.4 parts of sodium silicate. All the components have a synergistic effect, and the technical problems of temperature inhibition, crack resistance and waterproof repair of mass concrete are solved.

The invention discloses a soldering flux for soft soldering of tantalum materials and a preparation method and application of the soldering flux, and relates to the technical field of soldering, and the soldering flux for soft soldering of the tantalum materials comprises, by mass, 15-25% of ammonium fluotitanate, 10-16% of citric acid, 5-8% of sodium gluconate, 10-16% of glycerin, 5-8% of boric acid, 1-3% of sodium dodecyl benzene sulfonate and the balance absolute ethyl alcohol. The soldering flux for soft soldering of the tantalum material is composed of ammonium fluotitanate, citric acid, sodium gluconate, boric acid, glycerin, sodium dodecyl benzene sulfonate and absolute ethyl alcohol according to the specific mass percent, a tantalum pentoxide film on the surface of a tantalum lead can be effectively damaged, and the welding effect of a positive electrode metal pin of a tantalum capacitor and the tantalum lead is improved.

The invention discloses a TGV through hole etching solution and application thereof, and belongs to the technical field of TGV through hole etching. The TGV through hole etching liquid comprises the following components in percentage by mass: 12-18% of sodium hydroxide and / or potassium hydroxide, 4-10% of D-sodium gluconate, 1-2% of alkyl glycoside, 1-2% of sodium polyacrylate and the balance of water. According to the invention, the laser is adopted to punch the glass; and putting the glass subjected to laser drilling treatment into an etching solution, and carrying out etching processing. The TGV through hole etching liquid does not contain highly toxic hydrofluoric acid, and the etching rate is constant; the TGV through hole has good waist diameter ratio and good long-term use effect, can be etched to obtain a good TGV through hole, and saves the production cost.

The invention discloses a high-performance environment-friendly curing agent based on industrial solid waste and a nano material, which comprises the following components in parts by weight: 50-70 parts of an industrial solid waste-based cementing material, 5-15 parts of a nano reinforcing material, 3-8 parts of a bio-based dispersing agent, 10-20 parts of a composite exciting agent and 5-10 parts of a micro-expanding agent, wherein the industrial solid waste-based cementing material is a mixture of steel slag, red mud and ardealite; wherein the nano reinforcing material is formed by compounding hydrophobic nano silicon dioxide and a carbon nano tube; wherein the bio-based dispersant is a loofah sponge extract; wherein the composite exciting agent is a compound of sodium sulfate, sodium silicate and sodium gluconate; wherein the micro-expanding agent is a compound of magnesium oxide and alunite. According to the high-performance environment-friendly curing agent based on the industrial solid waste and the nano material, the compressive strength of the curing agent can be improved and the shrinkage cracking of the curing agent can be reduced while the high flowability of the fluid-state cured soil is ensured.