60results about How to "Improve wettability and permeability" patented technology

The invention provides total-synthesis water-based cutting fluid for sapphire and a preparation method of the cutting fluid. The cutting fluid for the sapphire comprises the following components of: in percent by weight, 8-25% of lubricant, 2-10% of rust inhibitor, 2-7% of an extreme-pressure additive, 0.25-2% of a settling agent, 0.5-3% of fungicide, 0.2-0.8% of a wetting agent, 3-5% of a cosolvent, 4-15% of pH stabilizer, 0.2-0.8% of defoamer and the balance water. According to the total-synthesis water-based cutting fluid for the sapphire, the reasonable additives are adopted for compounding, lubricating and wetting permeation performance of the cutting fluid are better than common water-based cutting fluid for sapphire, the total-synthesis water-based cutting fluid for the sapphire canreach the level of oil-based cutting fluid for the sapphire, and meanwhile the defects of poor powder sedimentation, large oil mist, potential risks for open flames, difficult post-processing and thelike of the oil-based product are avoided.

The invention discloses a test reagent for realizing the online rapid nondestructive test of the quality of a gold plating layer and a using method of the test reagent. The reagent contains trifluoroacetic acid and copper sulfate pentahydrate. The using method comprises the following steps: dropwise adding 2-3 drops of test reagent in a to-be-detected region of the gold plating layer, wiping the gold plating layer by using dust-free cloth after 60-120s, and observing the color change condition of the gold plating layer; if the color of the gold plating layer is changed, judging that a workpiece is a defective product; if the color of the gold plating layer is unchanged, judging that the plating layer is qualified. The test reagent disclosed by the invention is rapid in reaction, an obvious color difference exists between a generated corrosion product and the plating layer, and a result is high in accuracy and easy to judge; the test reagent is extremely simple in operation, no special instruments are needed, and online detection can be realized; the test reagent can be used for realizing nondestructive test, and workpieces which are qualified through test can be continued to be processed, assembled and circulated on a production line, so that the resource is saved; the test reagent is low in cost but capable of accurately reminding a manufacturer of stopping the subsequent processing of a defective product of the plating layer and taking remediation measures in time, so that more loss is avoided.

The invention discloses a special synergist for low-capacity pesticide spraying and a preparation method thereof. The special synergist for low-capacity pesticide spraying comprises, by mass, 1-50% high-grade alcohols, 1-60% of surfactant, 0.1-10% of film-forming agent, 0.1-10% of thickening agent, 1-20% of condensation nucleus substances and the balance oil-phase carrier. The preparation method of the synergist comprises the following step that the high-grade alcohols, the surfactant, the thickening agent and the condensation nucleus substances are mixed and introduced into an oil phase understirring, the materials are ground by a grinding machine to be prepared into a stable oil suspending agent, then the film forming agent is added, the materials are fully stirred and filtered to remove residues, and the finished product is obtained. An application method of the synergist includes the steps that the special synergist for low-capacity or ultra-low-capacity pesticide spraying is selected, after the synergist and a prevention chemical are mixed evenly according to the density of 50 g per mu, water is added to 0.5-1 kg, after the materials are evenly mixed, and the mixture is poured into a low-capacity or ultra-low-capacity pesticide spraying mechanical box for pesticide spraying. Liquid pesticide evaporation can be remarkably inhibited, liquid pesticide flying and bouncing arereduced, and the liquid pesticide utilization rate is increased.

The invention relates to a finishing solution and a preparation method thereof. The finishing solution consists of the following components in part by weight: 22 to 30 parts of triethanolamine, 3 to 5 parts of diethanol amine, 5 to 10 parts of boric acid, 3 to 6 parts of sebacic acid, 3 to 6 parts of surfactant, 8 to 12 parts of sulfonated caster oil, 4 to 6 parts of neodecanoic acid, 2 to 4 parts of triazine compound, 0.2 to 0.5 part of emulsified silicone oil and 49.8 to 20.5 parts of water. The finishing solution has a good lubricating effect, can effectively remove rust and oxide skin on the surface of a metal piece to make the metal piece bright like before, has a good antirust effect, eliminates an anti-rust process flow, has a good defoaming capacity, and avoids foam overflow to avoid influencing work environment.

The invention relates to a pesticide adjuvant, in particular to a wetting agent for pesticide preparations, a method for preparing the wetting agent and application of the wetting agent to the pesticide preparations. The method for preparing the wetting agent for the pesticide preparations includes steps of adding salicylic acid and potassium hydroxide into a reactor, then adding triethylene tetramine into the reactor drop by drop to obtain intermediate monoamide, adding dehydroabietic acid into the reactor and carrying out a series of reaction to obtain intermediate asymmetric bisamides; adding the intermediate asymmetric bisamides and butanone into the reactor, adding propane suhone into the reactor drop by drop, carrying out suction filtration, repeatedly washing substances in the reactor by the aid of butanone, re-crystallizing the substances, neutralizing the substances by the aid of ethanol solution of alkali, separating white solid from the substances, carrying out suction filtration and drying the white solid under the vacuum condition to obtain the wetting agent for the pesticide preparations. The wetting agent, the method and the application have the advantages that the wetting agent for the pesticide preparations is of an asymmetric structure with the bisamides and bis-sulfonate and is excellent in surface activity, compound property and wetting property, and the pesticide absorption rate can be increased.

The invention discloses a preparation method of an acid-alkali-resistant wetting agent.The preparation method particularly comprises the steps that 0-15 parts by mass of maleic anhydride, 0-15 parts by mass of dodecyl polyoxyethylene ether, 0-15 parts by mass of nonylphenol polyoxyethylene ether and 0-5 parts by mass of p-toluenesulfonic acid are added into a reaction kettle, the vacuum degree is controlled within the range of 0.095 MPa-0.1 MPa at the temperature of 120 DEG C-220 DEG C, reacting is performed for 2-10 h, an acid value and a hydroxyl value of reaction liquid are measured, and if the acid value and the hydroxyl value do not reach the standard, reacting is continuously performed until the acid value and the hydroxyl value both reach the standard; if the acid value and the hydroxyl value reach the standard, the temperature of the reaction liquid is lowered to 80 DEG C-90 DEG C, 0-8 parts of by mass of sodium hydrogen sulfite and 0-5 parts by mass of sodium acetate are added, stirring is performed for 4 h, and then the acid-alkali-resistant wetting agent is obtained.The wetting agent has the advantages of being good in wetting effect, capable of resisting the extreme conditions of strong acid and strong alkali and wide in application range.

The invention belongs to the technical field of semiconductor hard and brittle material processing, and particularly relates to sapphire cutting fluid and a preparation method thereof. The cutting fluid is prepared from the following raw materials: a micromolecular organic solvent, water, an extreme pressure lubricant, a dispersing agent, a wetting defoaming agent, a wetting agent, an emulsifying agent, an anti-rust agent, a sterilizing agent and an alkaline buffering agent. According to the invention, the sapphire cutting fluid disclosed by the invention is mainly applied to the diamond wire cutting industry of sapphire with various sizes and morphologies, solves the problems of edge breakage and other poor edges which are easy to occur when the sapphire cutting fluid is used for cutting, and is not easy to cause the problem of short wires in the cutting process; and after cutting, the flatness performance of TTV, LTV, WARP, BOW and the like meets the requirements, and the sapphire cutting fluid has good recycling performance.

The invention discloses a medium-high temperature strong plugging hard rubber recyclable foam drilling fluid and a preparation method thereof. A low-molecular-weight high-temperature-resistant foam stabilizer, a wetting agent and a bubble film density lightening agent are added into clear water to form a temperature-resistant hard rubber base solution. Sodium bentonite, an alkaline regulator, a sulfonate polymer filtrate reducer, a foaming agent, a temperature-resistant resin filtrate reducer and a foam surface viscosity regulator are added into the temperature-resistant hard rubber base solution to form the medium-high temperature hard rubber recyclable micro-foam drilling fluid or completion fluid. A low-density blocking agent is added and stirred to form the medium-high temperature strong plugging hard rubber micro-foam drilling fluid or completion fluid. The medium-high-temperature strong plugging recyclable foam fluid is low in solid phase content, strong in membrane structure and excellent in foam stabilizing effect before and after medium-high temperature; and the recyclable times and the plugging effect of the completion fluid after the micro-foam drilling fluid can be improved, the loss of the drilling fluid is reduced, the safe and high-effect recyclable micro-foam drilling and completion fluid can be used for exploiting medium-high-temperature and low-pressure easily-leaking oil and gas resources, geothermal wells and the like, and the deep well drilling requirement is met.

The invention discloses an activator for a fabric, i.e., an asymmetric dimeric surfactant, and preparation process thereof. The asymmetric dimeric surfactant is asymmetric bis(amidosulfonic acid)phosphate and has a structural formula as described in the specification; and in the formula, R is phosphate and M is Na or K.

The invention provides a wettable powder of propargyl ester. The powder is prepared from, by weight, 5-20% of clodinafop-propargyl, 1.25-5% of safener, 1-15% of solvent, 1-8% of emulsifier, 1-15% of moisturizing dispersant, 1-25% of synergist, 10% of surface activating agent, 0.5% of pH conditioning agent and the balance filler, and the total percentage of the materials is 100%, wherein the mass ratio of the safener to clodinafop-propargyl is 1:(3-5). The wettable powder of propargyl ester overcomes the deficiencies that caking is prone to happen, and the heat preservation stability is bad in the processing process of low melting point propargyl ester.

The invention discloses a high-efficiency environment-friendly penetrant for fabric pretreatment (asymmetric Gemini surfactant) and a preparation method thereof. The asymmetric Gemini surfactant is particularly an asymmetric bisamide sulfonate phosphate of which the structural formula is disclosed in the specification, wherein R is phosphate, and M is Na or K.

The invention relates to the technical field of pesticide auxiliaries, in particular to a herbicide auxiliary agent and a preparation method thereof. The herbicide auxiliary agent at least comprises the following components in percentage by weight: 5-30% of a polyoxyethylene type nonionic surfactant, 20-40% of betaine, 20-40% of alkyl glycoside and the balance of water, totaling 100%. The herbicide auxiliary agent provided by the invention is an environment-friendly auxiliary agent, no three wastes are generated in the production process, and the preparation raw materials are low-toxicity or non-toxic substances, are easy to biodegrade and do not cause harm to the ecological environment; secondly, the herbicide auxiliary agent provided by the invention can significantly reduce the surfacetension of a liquid medicine, has good wetting permeability, efficiently permeates a target, and especially has an obvious synergistic effect on glyphosate and glufosinate-ammonium herbicides.

The invention discloses a biological dispersing agent for circulating cooling water. The biological dispersing agent is prepared from, by weight, 30-60 parts of sodium styrenesulfonate-acryloylmorpholine polymer and/or propylene alcohol-acryloylmorpholine polymer, 10-30 parts of polyaspartic acid, and 1-10 parts of polyoxyethylene ether surfactants. The obtained biological dispersing agent for circulating the cooling water greatly enhances the penetrating capacity of organic matter, and the dispersing capacity of inorganic foulant and organic matter sedimentation; the penetrability of bactericide to biological sludge is improved; the bactericidal effect is improved, so as to optimize the removal effect on the tube wall microorganism and biological sludge. In addition, the biological dispersing agent has a mutual compatibility with scale and corrosion inhibitor and other water treatment agents used in circulating cooling water, and can facilitate the other water treatment agents to play the functions. The biological dispersing agent has the advantages of being simple in preparation method; being safe and environment-friendly; being biodegradable; having wide application prospect.

The invention relates to a nano-material modified silicone acrylic emulsion. The nano-material modified silicone acrylic emulsion is prepared from the following raw materials in percentage by weight:65-75% of an organic silicon modified acrylic emulsion, 1-3% of a pH regulator, 10-30% of a nano-material, 1.5-2% of a dry film mildew inhibitor, 1.5-2% of a hydrophobic agent and 0-10% of deionized water. By using the nano material, the dry film mildew inhibitor and the hydrophobic agent and adjusting the dilution process, the product not only satisfies the field use requirements, but also improves the properties of wetting permeability, drying speed, water resistance, mildew resistance and the like on the muddy base material. The silicone acrylic emulsion has a good reinforcing effect and can be used for reinforcing and repairing muddy cultural relics.

The invention discloses a process for preparing ethyl trichosanate and a synergist of ethyl trichosanate as a herbicide, and belongs to the field of chemistry. The preparation process comprises the following steps: with recovered trichosanthes kirilowii maxim oil fatty acid as a raw material, filtering, acidifying, esterifying, purifying and the like. According to the synergist of ethyl trichosanate as the herbicide, the amount of ethyl trichosanate is 0.5%-1.5% of volume of herbicide spray liquid. The preparation process is mild in condition and environmental friendly; and the obtained product ethyl trichosanate is used as a novel efficient and low-temperature resistant herbicide synergist and has a good effect.

The invention relates to a synergistic composition of herbicide glufosinate-ammonium, in particular to a composition capable of improving the wetting permeability and moisture retention performance of a spray liquid of glufosinate-ammonium. The composition mainly comprises an isomeric alcohol polyoxyethylene ether nonionic surfactant EP26, a fatty alcohol polyoxyethylene ether polymer emulsifier N-300, an anti-freezing agent, a complexing agent and deionized water. 0.5%-2.0% (mass percentage) of the synergistic composition is added into the spray liquid of glufosinate-ammonium, so that the wetting permeability and moisture retention performance of the spray liquid can be obviously improved, the glufosinate-ammonium medicament is promoted to be absorbed by weeds more quickly, the adverse effect of environment humidity on the pesticide effect is reduced, and the fast-acting property and the comprehensive prevention and control effect of the glufosinate-ammonium on the weeds are improved.

The invention discloses an inorganic modified single-component water-based surface cleaning material and a preparation method thereof, and belongs to the field of inorganic-organic hybrid coating materials. The material is prepared from the following components in parts by weight: 60-65 parts of polyacrylic emulsion, 15-20 parts of inorganic silicate solution, 0.3-0.8 part of defoamer, 0.4-0.8 part of wetting agent, 0.5-1 part of dispersing agent, 0.5-2 part of organic extinction powder, 5-10 parts of composite coalescing agent, 0.3-0.8 part of leveling agent, 0.5-1 part of composite thickener and 7-15 parts of water. Polyacrylic emulsion with high crosslinking density and inorganic silicate are compounded, so that the wettability and permeability (conduit performance) of the coating are improved, the hardness of the coating is improved, the weather resistance of the coating is improved, the coating is suitable for high-grade products with higher requirements on hardness and opening effect, such as office furniture, dining tables and the like, and the product can partially replace a conventional water-based two-component product.

The invention discloses a micro-water car washing liquid, which comprises 6-10% of water-soluble wax, 2-5% of a degreasing agent, 4-7% of a surfactant, 17-23% of a penetrant, 5-9% of an emulsifier, and 50-60% of deionized water. The micro-water car washing liquid disclosed by the invention has the advantages that the car washing liquid instead of water is mainly used for washing a car, so that water resources can be greatly saved. The used product adopts a nano suspension separation technology, the permeation and degradation effects are improved in the bubbling and decontamination process, and the car washing efficiency and quality are effectively improved. Meanwhile, good foaming and anti-oxidation decontamination effects are achieved, good wetting permeability is achieved on stains on the surface layer of a paint surface, a good film forming effect is achieved in the permeation process in cooperation with a surfactant, the stains are removed in a combined mode, two-time spraying cleaning is adopted, the one-time decontamination rate can reach 80% or above, automobile body smudginess is physically separated, automobile paint is perfectly cared, and the service life of the automobile paint is prolonged. The nano water-soluble wax component is contained, car washing is equal to maintenance, car paint cannot be lost as new neutral products after washing, and sun lines cannot be formed on the paint surface.