120results about How to "Increase surface tension" patented technology

The invention discloses an antibacterial water-resistant aluminum-plastic composite hose and a preparation method thereof, and belongs to the technical field of aluminum-plastic composites.The antibacterial water-resistant aluminum-plastic composite hose comprises a hose head and a hose body, the hose body is formed by lap joint of antibacterial water-resistant aluminum-plastic composite sheets, and the antibacterial water-resistant aluminum-plastic composite sheets are arranged on the hose head. The antibacterial waterproof aluminum-plastic composite sheet sequentially comprises an outer-layer PE film, a hyperbranched copolymer, an aluminum foil, an ethylene-methacrylic acid copolymer and an inner-layer PE film, the hyperbranched copolymer and the ethylene-methacrylic acid copolymer are formed by cross-linking and copolymerizing an acrylate cross-linking agent and a sulfydryl-silyl ether cross-linking agent. The hyperbranched copolymer provided by the invention can be used as a bonding layer to meet the requirement of the aluminum-plastic composite hose on peel strength, and the aluminum-plastic composite hose also has good tensile strength, water-proof and oil-proof effects and antibacterial performance.

The invention relates to the technical field of nodular cast iron, in particular to a silicon-molybdenum-chromium-nickel-niobium nodular cast iron material and a preparation method thereof. The material comprises the following chemical components in percentage by mass: 3.0%-3.5% of carbon, 4.3%-4.7% of silicon, 0.1%-0.3% of manganese, less than or equal to 0.05% of phosphorus, less than or equal to 0.02% of sulfur, 0.7%-1.0% of molybdenum, 0.6%-0.8% of chromium, 0.4%-0.7% of nickel, 0.3%-0.6% of niobium, 0.03%-0.06% of magnesium, 0.05%-0.1% of rare earth, 0.006%-0.012% of antimony and the balance of iron. The preparation method comprises the steps of smelting, first-time spheroidizing and inoculation, second-time spheroidizing, second-time inoculation and heat treatment in sequence. According to the obtained nodular cast iron material, the form of graphite and the number of graphite nodules are improved, carbon elements are separated out as many as possible in the form of high-carbon phase-spheroidal graphite, generation of pearlite is reduced, and the mechanical strength and high-temperature resistance of nodular cast iron are improved.

The invention discloses a base membrane for a composite current collector and a preparation method of the base membrane, and belongs to the technical field of current collectors for lithium batteries. Comprising two polymer polar material layers and a polymer reinforcing material layer located between the two polymer polar material layers. The polymer polar material layer comprises polyolefin, a polar polymer material, an amphoteric material and an antioxidant; the polymer reinforced material layer comprises polyolefin, a reinforced material and an antioxidant; the base film for the composite current collector is of a sandwich structure composed of the polymer polar material layer, the polymer reinforcing material layer and the polymer polar material layer, the performance of the edge layer and the performance of the core layer can be considered to the maximum extent, good temperature resistance, tensile strength and electrolyte resistance are achieved, the safety of a device is improved on the whole, and the service life of the device is prolonged. And the current collector development trend is met.

The invention relates to the field of hair dyeing products, in particular to a low-irritation essential oil hair dye and a preparation method thereof. The invention relates to a low-irritation essential oil hair dye, which comprises a No.1 agent and a No.2 agent, the No.1 agent comprises a humectant, a hair coloring agent, an antioxidant, a chelating agent and a solvent A; a thickening agent A, an emulsifier A and a hair conditioner; a pH regulator A, and polydimethylsiloxane; the disinfectant is prepared from an aromatic A, polyquaternium-7, polyquaternium-10, argania spinosa kernel oil, a camellia extract, a ginger root extract and a preservative; the agent 2 comprises a solvent B, cetearyl trimethyl ammonium chloride, sodium stannate and a pH regulator B; a thickener B, an emulsifier B and mineral oil; a chelating agent C; and an oxidant. The hair dye provided by the invention can reduce irritation under the condition of ensuring the hair dyeing effect and relieve the frizz degree of dyed hair, and has a plurality of advantages.

The invention discloses a laser welding hump defect suppression method, which relates to the field of welding, and comprises the following steps: S1, processing a micro groove structure on a first welding surface of a first to-be-welded part and / or a second welding surface of a second to-be-welded part; filling alloy powder into each micro groove structure; and S2, the first welding face and the second welding face are welded together in a penetrating welding mode. The micro-groove structures are machined on the first welding face and / or the second welding face, the alloy powder is added into the micro-groove structures, the surface tension of liquid metal in the welding process is increased, the alloy powder can supplement the insufficient surface tension, humps are reduced or avoided, and the welding quality is improved. And the burning loss of beneficial alloy elements in the high-power laser welding process can be made up, the microstructure of the welding seam is regulated and controlled, and the mechanical property of the welding seam is optimized. According to the method, the hump defect can be restrained on the premise of not additionally arranging auxiliary equipment, and the weld joint which is attractive in shape and good in performance is obtained; and the application range is wide.

The invention discloses an aluminum etching solution and a preparation method and application thereof, the aluminum etching solution is composed of the following raw materials in percentage by mass: 55-75% of phosphoric acid, 1.5-8.5% of nitric acid, 2-10% of glacial acetic acid, 1-6% of an additive and the balance of deionized water, and the additive is composed of a surfactant accounting for 0.005-1% of the total mass of the aluminum etching solution and a buffering agent accounting for 1-5% of the total mass of the aluminum etching solution; all the raw materials can be used for etching aluminum-silicon-copper after being uniformly mixed, and the method has the advantages that the lateral erosion amount is small, the etching depth-to-width ratio can reach 2.23 or above, meanwhile, the etching taper angle is large, the etching rate is controlled between 5800-6200 / min, and the requirement of the market for the etching rate can be met.

The utility model relates to the technical field of flue gas desulfurization, and particularly provides a small movable high-activity calcium-based desulfurizing agent preparation device which comprises a feed port, a first-stage digester, a second-stage digester, a third-stage digester, an atomizing nozzle, a liquid injection port, a spraying control system, a double-shaft spiral propelling rod, a heating layer, an oil injection port, a temperature control device, a discharge port and the like. The feeding hole is positioned above the inlet of the first-stage digester; the first-stage digester, the second-stage digester and the third-stage digester are sequentially arranged from top to bottom; an upper-stage outlet is connected with a lower-stage inlet; atomizing nozzles are assembled at the tops of the first-stage digester and the second-stage digester and are connected with a liquid injection opening and a spraying control system; a double-shaft spiral propelling rod is mounted in the center of a cavity of the digester; heating layers are arranged on the two sides and the bottom of a stirring tank of the digester and are connected with an oil injection port and a temperature control device; and the discharge hole is positioned below the outlet of the third-stage digester. The utility model solves the problem of large occupied area of production equipment in the existing quicklime digestion technology, and meets the requirements of various factories on small-batch preparation of calcium-based desulfurizers anytime and anywhere.

The invention provides a tungsten and titanium nitride / titanium selective etching solution which comprises the following components in percentage by mass: 5%-30% of an oxidizing agent, 0.5%-10% of an alkaline etching agent, 0.1%-1% of a tungsten corrosion inhibitor, 0.01%-0.05% of a surfactant and the balance of deionized water. According to the etching solution disclosed by the invention, the etching on W can be reduced while the high etching rate of TiN / Ti is maintained.

The invention relates to an ink-jet printing ink formula and a preparation method thereof, and belongs to the technical field of ink preparation. The carbon black color paste specifically comprises the following raw materials in parts by mass: 3 to 7 parts of carboxylated carbon black, 2 to 4 parts of modified protein, 1 to 3 parts of a dispersant, 0.1 to 0.3 part of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 0.1 to 0.12 part of N-hydroxysuccinimide, 1 to 5 parts of a 2-morpholinoethanesulfonic acid buffer solution, 0.1 to 0.3 part of an auxiliary agent and 10 to 50 parts of a composite solvent. The polyethylene glycol modified ethanol clostridium protein is used in the components, and carboxylated carbon black and the dispersing agent are combined, so that the compatibility among the components in the system is improved, and good thermal stability and system stability are achieved while the particle size of the black ink is refined.

The invention discloses a pine needle organic compost preparation and application method, and belongs to the technical field of organic fertilizers, and the pine needle organic compost preparation and application method comprises the following steps: mixing potassium sulfate, plant ash, modified attapulgite, borax, pine needles and rape seed cakes, uniformly stirring, grinding, and carrying out puffing treatment to obtain a puffed material; uniformly mixing the puffed material, potassium citrate and a composite strain, fermenting, and drying to obtain a fermented material; mixing the leavening, the seaweed extract, the modified cellulose and the lignin aqueous dispersion to obtain a compound microcapsule; mixing the compound microcapsules, the reinforcing filler and the organic fertilizer to obtain a mixture, and dehydrating, granulating, screening and packaging the mixture to obtain the organic compost. The compound microcapsules avoid the loss of beneficial components of the leavening and the organic fertilizer in the processes of dehydration, granulation, screening and packaging, and the compound microcapsules provide a living space for composite strains in the leavening; the reinforcing filler has a porous structure, so that the adsorption of the fertilizer is improved.

The invention discloses a rotary gas membrane separation device and a wastewater deammonification system thereof, belonging to the technical field of wastewater treatment. The rotary gas membrane separation device comprises an inner sleeve and an outer sleeve which are rotatably connected, and the inner sleeve and the outer sleeve are divided into a first exhaust chamber, a heating chamber and a second exhaust chamber by a sealing bearing; a water inlet pipe and a water outlet pipe are arranged on the inner sleeve, and a first gas collecting chamber, a degassing chamber and a second gas collecting chamber are formed in the inner sleeve by a check valve, and a separation filter element is arranged in the degassing chamber. The wastewater deammonification system comprises a wastewater tank, a liquid supply bracket, a liquid discharge bracket, a mounting bracket, a rotary gas membrane separation device and a rotating mechanism, and the liquid supply pipe exchanges heat with the gas discharged from the outer sleeve through a heat exchanger. A low-boiling point physical evaporation treatment technology is formed, which can be widely used for the separation of elements below the boiling point of water (such as ammonia element), and the concentration of recovered ammonia is ensured. The rotation of wastewater can prolong the treatment time, prevent particulate matter from clogging the membrane pores, and ensure the element recovery efficiency and recovery rate.

The invention discloses a two-stroke heavy oil aviation piston engine, and belongs to the technical field of unmanned aerial vehicle engines, the two-stroke heavy oil aviation piston engine comprises an engine body, a spark plug, an exhaust pipe, a fuel oil supply system, a crank connecting rod mechanism, two pistons and an auxiliary heating system, the engine body is composed of a crankcase and two piston cylinders, and the two piston cylinders are horizontally and oppositely distributed on the two sides of the crankcase; the two sides of the crankcase are connected with the short output shaft and the long output shaft in a penetrating and coupling mode, and a rotating cavity opposite to the crankshaft connecting disc is formed in the crankcase. The opposed crankshaft connecting disc is provided with two crank throws in an opposed 180-degree working phase, and the structure of the opposed crankshaft connecting disc without a central shaft neck can reduce the centrifugal force of rotation and improve the operation stability; the crank throw is connected with the piston through a connecting rod, and the joint can rotate; the two pistons are respectively positioned in the two piston cylinders; and the auxiliary heating system is dispersedly arranged on the engine body, consists of a temperature switch and a heating rod, and is used for heating the purified oil-gas mixture provided by the fuel oil supply system.

The invention relates to the field of aromatherapy, in particular to dried flower color locking aromatherapy and a preparation method thereof. The dried flower color locking aromatherapy comprises the following components in parts by mass: a transparent glass bottle, liquid aromatherapy and dried flowers, the liquid aromatherapy is arranged in the transparent glass bottle, and the dried flowers are soaked in the liquid aromatherapy. The liquid aromatherapy product is prepared from the following components in parts by weight: 50 to 65 parts of dipropylene glycol monomethyl ether, 5 to 8 parts of benzalkonium chloride, 10 to 12 parts of deionized water and 12 to 18 parts of color locking composition, wherein the color locking composition is ethylene glycol stearate, sodium carboxymethyl cellulose and essence. According to the dried flower color locking aromatherapy, the problems of fading and corrosion of dried flowers are solved, the original color and luster of the dried flowers are kept, fading and corrosion of the dried flowers are avoided for a long time, fragrance is kept, and the dried flower color locking aromatherapy has ornamental value and decorative value.

The present invention belongs to the technical field of conveying equipment, and discloses a conveying equipment for intelligent and automatic sorting of construction waste and a method of using the conveying equipment, comprising a feeder, wherein the left end of the feeder is fixedly connected with a conveying belt, the other end of the conveying belt is provided with a large drum screen, the bottom output end of the large drum screen is provided with a first magnetic separator, a screening assembly is provided below the first magnetic separator, a small air separator is provided at the left end of the screening assembly, the left output end of the large drum screen is fixedly connected with a second magnetic separator, the other end of the second magnetic separator is fixedly connected with a vibrator, a first sorting channel is provided at the front end of the vibrator, the other left output end of the large drum screen is fixedly connected with a large air separator, a third magnetic separator is provided at the front output end of the large drum screen, and a second sorting channel is provided at the front end of the third magnetic separator. The present invention solves the problem that the lateral slippage of local garbage and dumping of garbage affect the service life.

The invention discloses a washable protective film and a preparation method thereof, and belongs to the technical field of protective films, the washable protective film comprises the following raw materials by weight: 100 parts of polyethylene glycol terephthalate, 6-8 parts of carbon fiber, 3-8 parts of a modified siloxane polymer, and 0.3-0.6 part of an antioxidant; the modified siloxane polymer is prepared from a flame retardant containing a carbon-carbon double bond, an antibacterial siloxane monomer and 1-dodecene through a polymerization reaction. The washable protective film is prepared by the following steps: weighing polyethylene glycol terephthalate, carbon fibers, a modified siloxane polymer and an antioxidant, uniformly mixing and stirring in a high-speed mixer, melting in a double-screw extruder, and extruding and casting in an extrusion casting machine at the extrusion temperature of 260-280 DEG C to obtain the washable protective film. The obtained protective film is rich in function, good in washing resistance and high in application value.

The invention relates to the technical field of water-based gravure ink, in particular to a preparation process of water-based gravure ink. The existing technical problems of high environmental load, poor wettability and sewage generation of water-based gravure ink are solved. The preparation method comprises the following steps: carrying out polymerization cross-linking reaction on a water-based acrylic polymer and a hydrophilic caprylic capric triglyceride monomer mixture to obtain a cross-linked emulsion; the preparation method comprises the following steps: carrying out mixing dispersion treatment on a disperse dye, the emulsion, an organic solvent, a surfactant, deionized water and an auxiliary agent, grinding, filtering, and introducing a modified polyether composition to obtain the water-based gravure ink. The fineness of the water-based gravure ink is lt; the glossiness is 0.5 mu m and the glossiness is gt; the tinting strength is 100%, and the adhesion fastness is 99%; the VOC content is 0%; the storage stability is 4 years; the surface tension is 15mN / m; in the preparation process, the COD (Chemical Oxygen Demand) of the wastewater is 2mg / L, and the chromaticity is 1 degree.

The present application relates to a kind of preparation methods of coating material, in particular to a kind of preparation methods of neodymium iron boron nano coating material.It includes the following steps: substrate pretreatment;Coating preparation: spray preparation nano coating, the binder of nano coating belongs to silicon-titanium modified polymer system, coating thickness is controlled at 20-25 μm, curing process: 50-70 ℃ surface dry 5-20 min, 160-200 ℃ baking and curing 40-60 min;Coating plasma treatment: plasma treatment 2-4 times.The present application nano gray coating can significantly improve surface tension after plasma treatment, the durability of coating surface tension treated under the condition that air is gas source is obviously superior to nitrogen, surface tension is still above 50 mN / m after room temperature is placed and naturally aged 6 months;After coating surface plasma treatment, drawing strength is also improved simultaneously.

The invention discloses an antibacterial and water-resistant aluminum-plastic composite hose and a preparation method thereof, and belongs to the technical field of aluminum-plastic pipes. The antibacterial and water-resistant aluminum-plastic composite hose provided by the invention comprises the following components: a pipe head and a pipe body, wherein the pipe body is formed by overlapping antibacterial and water-resistant aluminum-plastic composite sheets, and the antibacterial and water-resistant aluminum-plastic composite sheets sequentially comprise an outer PE film, a hyperbranched copolymer, an aluminum foil, an ethylene-methacrylic acid copolymer and an inner PE film; the hyperbranched copolymer and the ethylene-methacrylic acid copolymer are cross-linked and copolymerized by an acrylate cross-linking agent and a mercapto-silicone ether cross-linking agent. The hyperbranched copolymer provided by the invention can meet the requirements of the aluminum-plastic composite hose for peeling strength as an adhesive layer, and the aluminum-plastic composite hose also has good tensile strength, water-proof and oil-resistant effects and antibacterial properties.

The invention relates to the technical field of quenching oil, in particular to high-wettability quenching oil and a preparation method thereof. The high-wettability quenching oil comprises the following substances in parts by weight: 40-60 parts of trimethylolpropane; 8-15 parts of tall oil fatty acid; 0.8 to 1.5 parts of a catalyst; and 45 to 55 parts of xylene. The fatty acid methyl ester synthesized by adopting trimethylolpropane and tall oil fatty acid as raw materials has good fluidity and relatively low viscosity, and is beneficial to improving the heat exchange efficiency between metal and quenching oil, so that the cooling effect is improved. On the basis, the molecular structure of the prepared fatty acid methyl ester comprises a long-chain fatty acid part and a short-chain methanol part. The amphiphilic structure enables the fatty acid methyl ester to show good interfacial activity on a water and oil phase interface, so that the wetting ability of the fatty acid methyl ester to a metal surface is enhanced.

The invention discloses a metal-gallic acid amphiphilic ultra-small nano particle and a preparation method thereof, and belongs to the technical field of amphiphilic nano materials. Under all-water-system green preparation conditions, a water or tris buffer solution system of polyvinylpyrrolidone (PVP) with low molecular weight (M.W. = 6000-10000) is adopted, the binding speed between metal ions and gallic acid is slowed down by virtue of weak coordination interaction between N atoms in the PVP and the metal ions, the growth of the metal-gallic acid amphipathic ultra-small nanoparticles is inhibited, and the metal-gallic acid amphipathic ultra-small nanoparticles can be used for preparing the metal-gallic acid amphipathic ultra-small nanoparticles. And the metal-gallic acid amphipathic ultra-small nano particles are prepared. The method is mild in reaction condition, simple to operate, green and environment-friendly, good in product dispersity and convenient for large-scale mass production, and has good applicability to preparation of various metal-gallic acid amphiphilic ultra-small nanoparticles, the prepared product has excellent water dispersion performance and good emulsifying capacity, and the HLB (hydrophile-lipophile balance) value of the product is 12-14.

The present invention provides a MOR molecular sieve membrane and a preparation method thereof, wherein the preparation method of the MOR molecular sieve membrane comprises the following steps: S1, mixing an aluminum source, an alkali solution, a silicon source, a fluoride salt, an organic alcohol and water to obtain a synthetic sol; S2, coating a seed solution on the surface of a porous carrier to obtain a seed layer; S3, coating the synthetic sol on the surface of the seed layer, and performing three temperature-variable crystallizations to obtain a MOR molecular sieve membrane; in step S1, the molar ratio of SiO2, Na2O, Al2O3, ROH, NaF and H2O is 1: (0.1-0.35): (0.03-0.15): (0.2-2): (0.1-0.5): (10-100). The present invention adds an organic alcohol to improve the crystallinity and overall structural integrity of the MOR molecular sieve membrane structure.

The utility model provides a kind of corona gap adjusting device, comprising: rack, be set to the rack and with the rack form rotating connection's corona roller, fixed in the rack and located the corona roller directly above bracket, fixed in the bracket close to the corona roller one side telescopic mechanism, fixed in the telescopic mechanism close to the corona roller one side ceramic electrode and fixed to the gap measuring device of rack;The ceramic electrode with the corona roller directly opposite and mutually spaced arrangement, the telescopic mechanism is used to adjust the spacing of the ceramic electrode to the corona roller, the gap measuring device is spaced with the corona roller, for measuring the gap size between the ceramic electrode and the corona roller.The utility model's corona gap adjusting device can improve corona effect, increase aluminum foil surface roughness, oil removal effect and surface tension, and gap measurement accuracy.

The utility model discloses anti-pulling mica paper which comprises an anti-pulling cross-linked network layer which is arranged above a mica paper base material, an aluminum foil layer is arranged above the anti-pulling cross-linked network layer, and an upper mica pulp sheet layer is arranged above the aluminum foil layer. The graphene layer is arranged below the mica paper base material, a polyimide film layer is arranged below the graphene layer, a lower mica pulp sheet layer is arranged below the polyimide film layer, and a lower mica pulp sheet layer is arranged below the lower mica pulp sheet layer. Organic insulating silicon resin glue is arranged among the mica paper base material, the anti-pulling cross-linked network layer, the graphene layer, the polyimide film layer, the aluminum foil layer, the upper mica pulp sheet layer and the lower mica pulp sheet layer, the anti-pulling cross-linked network layer is arranged in the mica paper, and the anti-pulling cross-linked network layer is of a double-layer structure composed of alkali-free glass fiber cloth and acetate fiber cloth. The alkali-free glass fiber cloth and the cellulose acetate fiber cloth are good in toughness and pulling resistance, the edge of the mica paper cannot be warped or cracked in the using process, and the service life of the mica paper is prolonged.

The invention relates to a preparation method of a high-speed mouthpiece adhesive for PET (polyethylene terephthalate) tipping paper, which is mainly prepared by adding EVA (ethylene-vinyl acetate) emulsion, polyvinyl alcohol, a plasticizer, a wetting agent, a defoaming agent, a pH (potential of hydrogen) regulator, a bactericide and the like into prefabricated acrylic emulsion. The preparation method is characterized in that the prefabricated acrylic emulsion has a high solid content of 65-70%, and is prepared by suspension polymerization of a soft-segment acrylate monomer, a hard-segment acrylate monomer, a crosslinking monomer, abietate and a reactive emulsifier with carbon-carbon double bonds; the mass ratio of the prefabricated acrylic emulsion to the EVA emulsion to the polyvinyl alcohol to the plasticizer to the wetting agent to the defoaming agent to the pH value regulator to the bactericide is (20-30) to (55-65) to (5-10) to (3-5) to (0.1-0.5) to (0.1-0.5) to (0.1-0.5) to 0.1. The high-speed mouthpiece adhesive for the PET tipping paper can meet the requirements of the high-speed mouthpiece adhesive for the PET tipping paper on the bonding force, the cohesive strength and the bonding stability.

The invention relates to the field of new energy, in particular to a negative pole piece, a preparation method of the negative pole piece and a battery. The negative pole piece comprises a current collector and a negative active material layer arranged on the surface of the current collector; the negative electrode active material layer comprises a porous material and an alloy material filled in pores of the porous material; the alloy material comprises a Na-K-M ternary alloy, and a metal element M contained in the Na-K-M ternary alloy is selected from one of the IIA family and the IIIA family. When the negative pole piece is applied to the lithium ion battery, the electrochemical performance is remarkably improved.

The invention discloses a fast-curing powder coating and a preparation method thereof, and belongs to the field of powder coatings. According to the invention, carboxylated polyester resin and triglycidyl isocyanurate are added for cross-linking reaction to form a network structure. The curing accelerator can activate carboxyl functional groups and effectively promote the functional groups in the carboxylated polyester resin to react, so that the curing speed of the powder coating is increased; the added precipitated barium sulfate can reduce the overall viscosity of the powder system; the modified leveling agent and the wetting accelerant have a synergistic effect, so that the wettability of the powder coating is effectively improved, the internal surface tension of the powder coating in the curing and melting process is reduced, the leveling performance of the powder coating is improved, meanwhile, the carboxylated polyester resin is easier to infiltrate pigments, volatile substances are accelerated to overflow from the surface, and the color fastness of the powder coating is improved. Meanwhile, under the synergistic effect of the degassing agent, bubbles are accelerated to break and overflow, the appearance of a coating film is obviously improved, a flat coating film surface is obtained, and therefore the problem that the coating film surface is rough and uneven due to rapid curing is solved.

The invention discloses a quaternary ammonium salt type pyrrolidine polyoxyethylene ether composition and a preparation method thereof, and relates to the technical field of polyoxyethylene ether materials. The quaternary ammonium salt type pyrrolidine polyoxyethylene ether composition is prepared from the following raw materials in parts by weight: 20 to 30 parts of quaternary ammonium salt type pyrrolidine polyoxyethylene ether, 0.5 to 1 part of antioxidant and 25 to 35 parts of deionized water. According to the invention, cyanuric chloride and amino decaglycol monomethyl ether react to generate a monosubstituted compound, and the monosubstituted compound and 3, 5-di-tert-butyl-4-hydroxybenzylamine react to generate the antioxidant. The quaternary ammonium salt type pyrrolidine polyoxyethylene ether composition prepared by the invention has good surface tension and oxidation resistance.

The invention discloses a cutting fluid for a semiconductor material and a preparation method thereof, and relates to the technical field of cutting fluids. The semiconductor material provided by the invention is composed of the following raw materials: 0.001-30.00 parts of a water-soluble lubricant; 0.001 to 30.00 parts of an anti-wear lubricant; 0.001 to 20.00 parts of an extreme pressure lubricant; 0.001 to 50.00 parts of a special wetting agent; 0.001 to 30.00 parts of an emulsifying dispersant; 0.001 to 90.00 parts of an antirust agent; 0.001 to 90.00 parts of a corrosion inhibitor; 0.001 to 10.00 parts of a bactericide; 0.001 to 50.00 parts of a settling agent; and 0.001 to 99.00 parts of deionized water. The prepared cutting fluid for the semiconductor material has high permeability and high lubricity, the surface quality of slices is high, the warping degree is low, and the cutting efficiency and the yield are improved.

The invention discloses a method for preparing a waterproof hand-painted textile pigment. The waterproof hand-painted textile pigment comprises the following components in parts by weight: 60-70 parts of pure acrylic emulsion, 5-15 parts of pigment toner, 0.5-1.5 parts of thickener, 2-5 parts of ultraviolet absorber, 2-5 parts of antioxidant, 3-6 parts of cross-linking agent, 1-3 parts of leveling agent, 1-3 parts of waterproofing agent, 1-3 parts of film-forming aid, 60-70 parts of deionized water, 1-2 parts of mildewproof agent BCM, 1.5-2.5 parts of 202 defoamer, 2-3 parts of organosilicon quaternary ammonium salt, and 5-7 parts of softener. The problem of poor waterproofness and adhesion of traditional hand-painted pigments is solved, and the process of high-temperature baking required for coloring of traditional textile pigments is not required. It can be colored by drying naturally, and the softness of the fabric is not affected after drying. It has the characteristics of being washable, non-cracking, anti-friction and anti-sun. It is a new type of pigment that can be applied to carriers such as wall surfaces, clothes, shoes and hats, flower pots and gypsum.

The invention discloses a cement grinding aid which comprises the following components in parts by mass: 300-500 parts of fly ash, 15-40 parts of an organic grinding aid component, 2-8 parts of an inorganic grinding aid component, 1-3 parts of a dehydrating agent, 3-6 parts of a water absorbent, 2-5 parts of hydrophobic silicon dioxide and 8-13 parts of double-end silane polyethylene glycol, through component matching optimization and surface modification, the capacity of cement particle surfaces for resisting moisture in a mixed material is improved, meanwhile, absorption and volatilization of the moisture in the mixed material are effectively accelerated, and the fluidity of cement powder in a mill is effectively improved; the problems that an existing grinding aid cannot solve the problems that a high-moisture-content raw material is burnt in the ball-milling process, the yield is reduced, and the strength is reduced in the application process are solved.