35 results about "Ethylene glycol monophenyl ether" patented technology

The invention discloses a preparation method of phenolic resin polymer microspheres. The method overcomes the defect that the former preparation method adopts a single stabilizer and can adopt different stabilizers as required to prepare phenolic microspheres of different grain diameter distributions to obtain a globular polymer with smooth surface and uniform grain fineness distribution. The method includes the steps of uniformly mixing stabilizer hydroxypropyl methyl cellulose (or carboxymethyl cellulose or arabicgum), ethylene glycol monophenyl ether, formic acid and formaldehyde, then slowly dipping concentrated sulfuric acid, after dipping, heating and stirring the reaction mixture under a certain temperature to react for a certain time and drying the product after separating, soaking in alkali solution and washing. The phenolic resin polymer microsphere prepared by the invention achieves high sphericity and the grain diameter ranging from 0.1-1.5mm by one step reaction, can be used as the base material of macromolecule absorbent and is used for the fields of biological medicines, chromatographic separation and environment treatment, etc.

The invention discloses Chinese herbal medicine antibacterial cotton fibers. The Chinese herbal medicine antibacterial cotton fibers are characterized by being prepared from the following raw materials in parts by weight: 20-23 parts of cotton fibers, 10-13 parts of modal fibers, 8-10 parts of bamboo pulp fibers, 7-9 parts of banana stem fibers, 5-8 parts of down feather fibers, 1-3 parts of sophora alopecuroide extract powder, 1-2 parts of attapulgite, 0.4-0.8 part of ammonium persulfate, 1.3-3.5 parts of glycine betaine, 18-22 parts of ethylene glycol monophenyl ether, 15-17 parts of benzyl benzoate, 4-5 parts of wild chrysanthemum, 3-4 parts of jasmine flowers, 1-2 parts of lonicera japonica, 100-110 parts of 1-ethyl-3-methylimidazolium diethylphosphate, 106-110 parts of 1-butyl-3-methylimidazolium acetate, 3-6 parts of an addition agent and a proper amount of water. According to the Chinese herbal medicine antibacterial cotton fibers, the operation is simple, the cost is low and the operability is strong; the wild chrysanthemum, jasmine flowers and lonicera japonica are added so that the Chinese herbal medicine antibacterial cotton fibers have an antibacterial function and also have a flower flavor; and meanwhile, various animal and plant fibers are also added to the Chinese herbal medicine antibacterial cotton fibers so that the strength and the heat preservation performance of the cotton fibers are remarkably improved.

The invention discloses a mobile phone touch screen polarizer cleaning agent and a preparation method and application thereof. The mobile phone touch screen polarizer cleaning agent is prepared by, by mass percentage, 4-6% of diethylene glycol monobutyl ether, 4-6% of ethylene glycol monophenyl ether, 1-5% of ethanol, 3-5% of ethylene glycol, 1-5% of dimethyl benzene, 3-5% of isopropanol, 8-12% of tetrahydrofurfuryl alcohol, 5-10% of triethanolamine, 10-15% of potassium hydroxide and 31-61% of tap water. During use, the mobile phone touch screen polarizer cleaning agent is boiled and used for cleaning a polarizer. The mobile phone touch screen polarizer cleaning agent has the advantages that the prepared cleaning agent is a water-soluble cleaning agent and is high in safety performance, good in cleaning ability, good in dissolving performance on colloid and resin residues, capable of increase cleaning efficiency, capable of satisfying cleanliness requirements, low in use amount, long in service life, less prone to volatilization, capable of effectively lowering cleaning cost and evident in practical value.

The invention discloses a method for preparing 9,9-bis[(4-hydroxy oxyethyl) phenyl] fluorene and belongs to the technical field of chemical synthesis. The method is characterized by comprising the following steps: reacting 9-fluorenone and ethylene glycol monophenyl ether in hydrogen fluoride in the presence of a promoter to obtain 9,9-bis[(4-hydroxy oxyethyl) phenyl] fluorene; at the end of the reaction, evaporating to reclaim hydrogen fluoride from the reaction system, diluting residues with alkaline liquid; extracting, washing and re-crystallizing to obtain 9,9-bis[(4-hydroxy oxyethyl) phenyl] fluorene. The method has the advantages of use of low-price and easily available raw materials, high reaction yield, convenience in acid catalyst reclamation, generation of less 'three waste', environmental friendliness and the like, and has a high industrial application value.

The invention discloses a preparation method of ethylene glycol monophenyl ether phosphomonoester surfactant and belongs to the technical field of surfactant. The preparation method disclosed by the invention comprises the steps of mixing phenol with 2-bromoethanol, dissolving the mixture in dimethylformamide, then adding and uniformly agitating potassium carbonate for reaction, adding distilled water to separate liquid, and increasing the temperature of solution at a lower layer to 160 to 180 DEG C to remove residual dimethylformamide in the solution; then adding polyphosphoric acid into the solution, agitating the solution and increasing the temperature to 60 to 80 DEG C, then adding 1.65 to 5g of catalyst for reaction, adding and uniformly agitating P2O5 for reaction, and adding distilled water with volume of 3 to 5 percent of total volume of the solution to perform hydrolysis for 1 to 3h at 60 to 80 DEG C to obtain the ethylene glycol monophenyl ether phosphomonoester surfactant. The preparation method of ethylene glycol monophenyl ether phosphomonoester surfactant has the advantages that the conversion rate of the prepared ethylene glycol monophenyl ether phosphomonoester is high, the monoester content highly reaches 86 to 86 percent, the alkali resistance of the surfactant is extremely high and the permeability is excellent.

The invention discloses a high-toughness halogen-free low-smoke flame-retardant power tube and a preparation method thereof. Modified resin is prepared from the following raw materials in parts by weight: 75-90 parts of isotactic polyethylene resin, 8-11 parts of ethylene glycol monophenyl ether superfine powder, 4-6 parts of nitrile rubber, 4-6 parts of halogen-free flame retardant powder, 1-4 parts of a synergistic flame retardant and 6-18 parts of ultrahigh molecular weight polyethylene resin. Raw material particles with overlarge particle sizes are conveyed into a material storage box to be crushed again, the screened raw materials are conveyed into a mixing mechanism, the raw materials entering a material mixing tank are mixed uniformly through circular stirring, the raw material particles entering a melting tank are subjected to circular stirring from inside to outside, the melting tank is kept vacuum through a vacuum pump, the melting speed of the raw material particles is increased, and the high-toughness halogen-free low-smoke flame-retardant electric power tube is obtained through extrusion, so that the situation that the performance of the electric power tube is uneven due to uneven raw materials is avoided, and the yield of the electric power tube is greatly increased.

The invention belongs to the field of chemical synthesis, and relates to a preparation method of dihydroxy oxethyl fluorine. The method comprises the following steps of: executing condensation reaction of ethylene glycol monophenyl ether and 9-fluorenone in the presence of catalyst mercaptoethanol, extracting and purifying the reaction liquid by water-organic solvent, and then, obtaining the target product after recrystallization. With the preparation method provided by the invention, the reaction time is reduced, the yield is improved, the crystal form and the liquidity of products are improved, the solvent of a single type is more beneficial for recycling, and the technical operation is simplified, so that the preparation method is suitable for industrial production.

The invention discloses water-based flame-retardant damping paint, and belongs to the technical field of paint. A preparation method of the water-based flame-retardant damping paint comprises the steps of preparing mixed powder by taking mica, bentonite and the like as raw materials, performing mixed dispersion with water and cetyl trimethyl ammonium bromide to obtain a suspension, performing centrifugal separation with castor oil and dimethyl carbinol, collecting a precipitate, performing drying to obtain a damping filler, adding the damping filler to epoxy resin, grafting an acrylic acid monomer, performing rotary evaporation to obtain a damping filler modified resin emulsion, preparing modified guar gum by taking guar gum as a raw material, mixing the water, ethylene glycol monophenyl ether, a defoaming agent and the like, adding ground calcium carbonate, expanded graphite and the like, performing grinding to obtain slurry, mixing the slurry with the damping filler modified resin emulsion, the modified guar gum and the like, and performing discharge to obtain the water-based flame-retardant damping paint. The prepared damping paint has the advantages of good low-temperature damping performance, wide damping temperature range and good flame retardance, is moderate in drying time and better in workability, and has a wide application prospect.

The invention discloses an aerosol type wax-free paint remover. A formula of the aerosol type wax-free paint remover comprises the following components in parts by weight: 16.0 to 24.0 parts of an environment-friendly high-boiling-point solvent AGSE, 2.0 to 6.5 parts of solvent oil, 0.8 to 3.6 parts of ethylene glycol monophenyl ether, 2.0 to 4.0 parts of propylene glycol monomethyl ether, 26.0 to40.0 parts of dichloromethane, 5.0 to 12.0 parts of methanol, 2.0 to 9.0 parts of formic acid microcapsules, 1.5 to 3.5 parts of a thickening agent and 12.0 to 26 parts of a propellents. With adoption of the technical scheme, the paint remover has the following advantages: 1, a low-boiling-point solvent and a high/medium-boiling-point solvent are compounded to cooperatively reduce the volatilization speed rate and achieve extremely high dissolving power and penetrability; 2, by dual formic acid microcapsulation, a tank body is prevented from being corroded by formic acid, a paint removing effect is enhanced; and the stability of the product is improved; 3, the thickening agent is added to retard product loss and increase the utilization rate of the product, and no wax is contained, so that influence on recoating after complete flushing is eliminated; 4, by vaporization heat absorption of the propellents, the surface temperature of a workpiece is reduced, the volatilization speed of the product is low, and the characteristics of flexibility and convenience for construction and good atomization are achieved.

The invention belongs to the field of cleansing agents of an engine, and particularly relates to a carbon deposit cleansing agent of an engine and a preparation method of the carbon deposit cleansingagent. The carbon deposit cleansing agent comprises the following raw materials in parts by mass of 28-64 parts of diethylene glycol ether acetate, 28-65 parts of diethylene glycol monophenyl ether, 28-65 parts of N-methyl pyrrolidone, 2-8 parts of a lactic acid solution, 1-5 parts of Long-chain carboxylate polyoxyethylene-18, 1-6 parts of isothiazolinone, and 1-9 parts of an alkaline solution. The carbon deposit cleansing agent disclosed by the invention adopts a manner that a positive ion surface active agent is collocated with the diethylene glycol ether acetate, the diethylene glycol monophenyl ether and the N-methyl pyrrolidone, so that the problems that in the prior art, when carbon deposit is washed with a solvent, an anionic surface active agent and a plasticizer, each component ofthe engine is subjected to dual corrosion, the engine coating is peeled off, and ternary noble metals are peeled off are effectively solved; the engine carbon deposit cleansing agent is friendly to environment and the engine; and the carbon deposit removing effect is good, and the effect of instantly peeling the carbon deposit off can be achieved.

The invention relates to high-cleanness liquid boiler fuel. The fuel is prepared by blending following raw materials by volume: 60-80% of polymethoxymethylal, 13-29.5% of heavy naphtha, 5-10% of fatty acid methyl ester and 0.5-2% of an additive. The additive includes, by mass, 10-20% of alkylphenol barium, 10-20% of 2,6-bis(1,1-dimethylethyl)-4-methylphenol, 50-75% of nitropropane, 2.5-5% of ethylene glycol monophenyl ether, 1.25-2.5% of trimethyl borate and 1.25-2.5% of N,N'-bis(salicylidene)-1,2-propanediamine. The calorific value of the fuel is substantially equivalent to the calorific value of Chinese national standard 0# diesel oil, consumption amounts of the fuel and the diesel oil are at the same level, but SO2 in combustion emission of the fuel is reduced by about 60% than that of the diesel oil, NOx in combustion emission of the fuel is reduced by 30% or above than that of the diesel oil, and particles in combustion emission of the fuel are reduced by about 50% or above than those of diesel oil, and therefore cleanness of the fuel is significantly improved.

The invention provides a cathode electrophoretic coating and a preparation method thereof, and belongs to the technical field of electrophoretic coatings. The cathode electrophoretic coating is prepared from the following raw materials in percentage by mass: 35-45% of resin, 5-6% of a pigment, 7-10% of a mixed solvent and 40-55% of deionized water, the resin is a mixture of acrylic resin, epoxy resin and polyurethane, and the mixing ratio of the acrylic resin to the epoxy resin to the polyurethane is 1: 1: 1. The pigment is a mixture of an organic solvent, a container color pigment, an extender pigment and an antirust pigment, the organic solvent is specifically ethylene glycol monophenyl ether, is colorless transparent liquid and is used for improving the smoothness and corrosion resistance of the coating, the extender pigment is orthosilicate and is of a flaky particle structure, and the opacity to ultraviolet rays can enhance the crack resistance and durability of the electrophoretic paint film. When the electrophoretic coating is prepared, the finishing property, wear resistance, crack resistance and heat resistance of the electrophoretic coating can be improved, and meanwhile, the adhesive force of the electrophoretic coating and a workpiece can be increased.

The invention relates to a reagent for a three-classification blood cell analyzer. The reagent comprises a diluent, a hemolytic agent and a cleaning liquid. The diluent is composed of sodium chloride,disodium hydrogen phosphate, monopotassium phosphate, potassium chloride, EDTA-2Na, ethylene glycol monophenyl ether and water; the hemolytic agent consists of disodium hydrogen phosphate, monopotassium phosphate, cetyl trimethyl ammonium bromide, polyethylene glycol octylphenol ether, sodium nitrite and water; and the cleaning fluid consists of sodium chloride, sodium sulfate, an antibacterial agent and a surfactant. The prepared regent for the three-classification blood cell analyzer is low in cost and high in stability, can be universal in multiple models, is reliable in performance and meets the clinical requirements.

The invention relates to a synthesis technique improvement of disperse red 191 which takes the disperse red 60 and hexanediol monobenzyl ether of hydioquinone as raw materials, uses potassium carbonate or potassium hydroxide as an acid binding agent and uses an emulsifier of OP series as a catalyst; after the raw materials are condensed at high temperature to the terminal, the product can be segregated by methanol (or ethanol) when the temperature is cooled, and at last the product is filtrated and separated. The mother liquid is rectified to recycle the methanol (or ethanol), phenol and hexanediol monobenzyl ether of hydioquinone, and the technique improves the product quality.

The invention discloses a preparation method of an injection molding machine screw cleaning material. The screw cleaning material is obtained by performing melt blending on a microcapsule additives and PP matrix resin according to a certain ratio and performing extrusion granulation. The microcapsule additive takes urea-formaldehyde resin as a wall material, takes a butyl phthalate, ethylene glycol monophenyl ether and n-octanol mixture as a core emulsion, and are microcapsules which are prepared under certain conditions and have a particle size of 2-3 [mu]m. The screw cleaning material has low melting energy consumption, low melt viscosity, minimal adhesive force to a barrel and a screw, good compatibility with other polymer materials, and can dissolve decomposed carbon deposited in a screw groove. Compared with commercially available professional screw cleaning materials, the screw cleaning material developed by the present invention has lower cost. Therefore, the screw cleaning material can meet the market requirements for screw cleaning material performance and price, and has market promotion and application prospects.

The invention discloses an environment-friendly polyaniline anticorrosion flame-retardant coating comprising a component A and a component B, and the weight ratio of the component A to the component B is 10:1 to 20:1. The component A is prepared from the following components: 1, 45 g of liquid epoxy resin E56; 2, 3 g of diethylene glycol dibenzoate; 3, 0.5 g of OP-10; 4, 10 g of n-amyl alcohol; 5, 3 g of ammonium persulfate; 6, 1.5 g of distilled water; 7, 1 g of a 0.4 mol/L camphorsulfonic acid aqueous solution; 8, 10 g of phenylamine; 9, 0.5 g of methyl silicone oil; and 10, 4 g of neopentyl glycol diglycidyl ether. The component B is composed of the following components: 110 g of liquid aliphatic polyamine, 30 g of polyaniline, 5 g of xanthan gum, 10 g of ethylene glycol monophenyl ether, 5 g of methylcellulose, and 5 g of turpentine silicone oil. The coating has the advantages of high polyaniline content, good corrosion resistance, no pollution, low cost and the like.

The invention discloses heat-resistant alcohol-soluble self-adhesive paint for a self-adhesive insulated winding wire and a preparation method thereof. The heat-resistant alcohol-soluble self-adhesive paint is prepared from 10-15 parts by weight (kg) of ethyl methacrylate, 12-14 parts by weight (kg) of butyl acrylate, 4-6 parts by weight (kg) of zirconia, 7-9 parts by weight (kg) of ethylene glycol monophenyl ether, 12-15 parts by weight (kg) of nylon12, 50-55 parts by weight of isophorone, 30-35 parts by weight (kg) of benzyl alcohol, 12-15 parts by weight (kg) of E51 epoxy resin, 8-10 parts by weight (kg) of montmorillonite, 3-4 parts by weight (kg) of mercaptopolysiloxane, 3-5 parts by weight (kg) of isocyanate, 12-15 parts by weight (kg) of polyoxymethylene, 12-13 parts by weight (kg) of naphthenic oil, 3-4 parts by weight (kg) of petroleum resin, 10-12 parts by weight (kg) of dipentaerythritol hexaacrylate, 7-9 parts by weight (kg) of an assistant, 80-90 parts by weight (kg) of a mixture of m-cresol and p-cresol, and 40-50 parts by weight (kg) of xylene. The preparation method has simple processes. The outer surface of a three-layer insulated winding wire is coated with the heat-resistant alcohol-soluble self-adhesive paint so that a self-adhesive three-layer insulated winding wire is obtained. A frameless coil prepared from the self-adhesive three-layer insulated winding wire has the advantages of high voltage resistance, good high-frequency performances, good thermostability and good wear resistance.