159 results about "Dimethyl ethanolamine" patented technology

The invention discloses a rosinyl bis-quaternary ammonium surfactant, the general molecular formula of which is as follows. In the formula, R is a rosinyl ricyclic diterpene structure, X is Br or I, and n is larger than or equal to 1 and smaller than or equal to 10. The invention also discloses a method for preparing the compound: firstly, dehydroabietic acid or disproportionated rosin is adopted to prepare rosinyl tertiary amine, and then the rosinyl tertiary amine and saturated dihalide are prepared into the rosinyl bis-quaternary ammonium surfactant through quaternization. The synthesis of the rosinyl tertiary amine comprises the following steps: the dehydroabietic acid or the disproportionated rosin is converted into active acyl chloride intermediate, and then the acyl chloride intermediate and N,N-dimethyl ethanolamine are prepared into the rosinyl tertiary amine in the presence of the triethylamine which is used as the acid-binding agent. The rosinyl tertiary amine and the saturated dihalide are reacted in the solvent isopropyl alcohol, and then vacuum drying is performed after filtration. The prepared surface active agent has good surface activity performance; the raw material is inexpensive and easy to obtain, and can be biodegraded; the synthetic method is assisted with microwave, the reaction time is short, and the product purity is high.

The invention provides a waterborne polyurethane adhesive which comprises polyurethane with a structure of a formula (I). The invention also provides a method for preparing the waterborne polyurethane adhesive. The polyurethane provided by the invention is prepared by reacting poly (carbonate ester-ether) with a structure of a formula (II) with trimethylolpropane, diisocyanate, dyhydroxy methyl acrylic acid, ethylene glycol and dimethyl ethanolamine. The poly (carbonate ester-ether) dihydric alcohol has a polyester structure and a polyether structure, the defects that the polyester is poor in water resistance and the polyether is poor in mechanical performance are overcome, a prepared polyurethane main chain is provided with a polyester unit and a polyether unit through a copolymerization reaction, and the adhesion performance is improved.

A water paint with flame-retarding, anticorrosion and damping functions for the structure of vehicle and ship is prepared from mica powder, aluminium hydroxide, styrene-acrylate emulsion, silicic acrylate emulsion, elastic emulsion, flame-retarding agent, emulsifier, propanediol, dimethyl ethanolamine, thickening agent and neutral water through proportional mixing, stirring, regulating pH value, grinding and packing.

The invention discloses a block polyether oilfield sewage treatment agent taking N'N-dimethyl ethanolamine as an initiator and a preparation method thereof, and relates to the technical field of preparation of oilfield oily sewage treatment agents. The block polyether oilfield sewage treatment agent taking the N'N-dimethyl ethanolamine as the initiator is obtained in a way that with N'N-dimethyl ethanolamine as the initiator, epoxypropane and ethylene oxide generate ring opening polymerization under the conditions of high temperature and high pressure. The treatment agent disclosed by the invention has good oil-water separation effect on polymer-containing sewage produced after oilfield polymer flooding.

The invention discloses finishing water-soluble acrylic resin and its preparation method and belongs to the technical field of resin. The resin provided by the invention comprises the following ingredients: acrylic acid, methacrylic acid, styrene, butyl methacrylate, butyl acrylate monomer, hydroxyethyl methylacrylate, 2-ethylhexyl acrylate, N-dodecyl mercaptan, methyl methacrylate, N,N-dimethyl ethanolamine, ethanol, water, lauryl methacrylate, Isobornyl methacrylate, hydroxyethyl acrylate, hydroxy-propyl acrylate and AIBN. The preparation method comprises six steps. By the preparation method, the required finishing water-soluble acrylic resin is finally prepared. The finishing water-soluble acrylic resin prepared by the formula and the preparation method can be used to effectively reduce costs and has an effect of environmental protection, can completely meet requirements of a finishing varnish in the aspect of prepared paint properties and overcomes the defect that water-soluble resin is not resistant to water, acid or salt in the field of traditional chemical industry.

The invention relates to an organosilicon modified waterborne photo-curing epoxy-acrylic coating prepared from the following components in parts by weight: 45.4-49.4 parts of epoxy resin, 0.74-1 part of a polymerization inhibitor, 0.74-1 part of N,N-dimethyl ethanolamine, 15.84-18.72 parts of acrylic acid, 21.58-25.5 parts of unsaturated acid anhydride, 12.98-15.34 parts of an organosilicon monomer, 11.11-13.56 parts of triethylamine, 2.57-4.64 parts of a waterborne light initiator, and 20-30 parts of deionized water. The organosilicon modified waterborne photo-curing epoxy acrylate prepolymer is a true zero-VOC waterborne photo-curing prepolymer, and has the advantages of high crosslinking degree, good water resistance, high hardness, good adhesive force, high pendulum hardness and good flexibility.

The invention relates to a dimethyl ethanolamine catalytic hydrogenation catalyst and a preparation method thereof, and belongs to the technical field of preparation of hydrogenation catalysts. The catalyst comprises an active component and a carrier, wherein the weight percentage content of the active component is 10-55 percent, the weight percentage content of the carrier is 45-90 percent, and the sum of the weight percentage contents is 100 percent. The active component of the catalyst is nickel or/and copper or/and chromium or/and zinc or/and iron or/and barium or/and aluminum or/and cobalt; the catalyst carrier is a silicon ball, an alumina ball, nanometer aluminum oxide, diatomite, activated carbon, ZSM-5 and the like. The preparation method provided by the invention is simple, convenient, low in cost and easy to industrialize; the service life of the catalyst is longer; the prepared catalyst has higher conversion rate and selectivity.

A water-based polyurethane composite coating is characterized in that the coating is prepared from the following raw materials in parts by weight: 40-60 parts of a water-based hydroxyl-containing polyacrylate dispersion body, 12-25 parts of polypropylene acid, 20-30 parts of polyisocyanate, 30-40 parts of a cross-linking agent, 10-15 parts of a filling material, 10-15 parts of titanium dioxide, 80-100 parts of water, 2-5 parts of a polyisocyanate curing agent, 1-2 parts of N,N-dimethyl ethanolamine, 0.2-0.5 part of a co-solvent, 1-2 parts of an antifreeze agent, 0.2-0.5 part of a wetting agent, 0.2-0.5 part of a defoaming agent, 0.1-0.3 part of a thickening agent, 0.1-0.3 part of the wetting agent, 1-2 parts of an antiseptic agent, and a pH value regulator.

The invention discloses an aqueous alkyd acrylic resin and a preparation method thereof. The preparation method comprises that an alkyd resin of which a polymer main chain contains an unsaturated double-bond is synthesized according to a molecule design; and the alkyd resin and an acrylic acid monomer undergo a radical copolymerization reaction in an amine compound neutralization reaction system to produce the aqueous alkyd acrylic resin which can be diluted by water. Through chemical bond connection between alcohol acid and acrylic resin molecular chains, resin compatibility is improved and resin phase separation is avoided in material curing. The aqueous alkyd acrylic resin comprises 0.7-0.9% of acrylic acid, 8.1-10.7% of methyl methacrylate, 7.6-10.0% of styrene, 11.8-15.6% of butyl acrylate, 2.0-10.0% of beta-hydroxyethyl methacrylate, 9.0-19.0% of alkyd resin, 4.05-4.95% of xylene, 9.45-11.55% of n-butyl alcohol, 0.18-0.24% of an initiator, 0.45-0.55% of N,N-dimethyl ethanolamine, 9-11% of ethylene glycol butyl ether and 27.0-33.0% of distilled water.

A preparation method of an antistatic one-component polyurethane coating including polyurethane oligomer 3651100, furnace carbon black 5, titanate coupling agent 0.1, dimethyl ethanolamine 0.6, the proportion of xylene, cyclohexanone and butyl acetate is 4 to 1 to 2, and mixed solvent 50. The carbon black is dried in 80 DEG C, sprayed with the coupling agent, and ball-milled for 90 minutes. Then the carbon black, the resin and the solvent are serially added into the container and at the same time stirred to form a preliminary mixing product, which is then poured into a ball-milling tank to be ball-milled for 90 minutes. Then the coating is filtered and stood still to get the finished product. The invention has the following advantages of simple preparation method, convenient operation, reduced cost, good antistatic performance, and no damage of intrinsic mechanical performance and other performances of the product.

A reinforced concrete material with high corrosion resistance and a preparation method thereof belong to the concrete material field. The reinforced concrete material with high corrosion resistance of the invention is mainly obtained by uniformly mixing and stirring a cementing material, coarse and fine aggregates, water, a rusty retardant agent, and a water reducer; the cementing material comprises portland cement and fly ash; the rusty retardant agent is prepared by well mixing amino carboxylic acid, dimethyl ethanolamine and calcium molybdate with a mass ratio of 1:2:2 and adding the mixture into water, and the mass concentration range of the mixture is 20%-50%. The proportional ranges of the components are: 300-500 kg/m3 of cement; 100-150 kg/m3 of fly ash; 150-210 kg/m3 of water; 400-700 kg/m3 of fine aggregates; 1000-1200 kg/m3 of coarse aggregates; 2-4 kg/m3 of high-efficient water reducer; and the mixing amount of the rusty retardant agent is 2%-5% of the mass of the cementingmaterial. Compared with common reinforced concrete, the reinforced concrete of the invention has significantly improved steel bar corrosion resistance, and excellent concrete workability, and is widely applicable to basic engineering and underground space structures.

The invention relates to a papermaking wastewater treatment agent and a preparation method thereof. The treatment agent comprises the following components in parts by mass: 90-115 parts of tetraethylene pentamine, 30-50 parts of sodium carbonate, 15-30 parts of diatomite, 4-12 part of powdered carbon, 0.001-0.005 part of ethylenediamine tetraacetic acid disodium salt, 0.0001-0.0005 part of polyacrylamide, 0.0003-0.0007 part of dimethyl ethanolamine, 0.08-0.35 part of tertiary butyl hydrogen, 0.3-0.9 part of mercaptobenzothiazole, 0.00005-0.00015 part of potassium peroxide, 0.002-0.004 part of calcium hydroxide, 0.00005-0.00015 part of dithiothreitol, 0.2-0.55 part of zinc sulfate, and 0.03-0.06 part of tetradecyltributylphosphonium chloride. The treatment agent provided by the invention can effectively remove harmful substances in papermaking wastewater.

The invention provides a preparation method for a medical pressure-sensitive hydrocolloid adhesive. The preparation method comprises the following steps: mixing and dispersing SBS segmented copolymer, polyester thermoplastic elastomer, pectin, glycerol ester of rosin, calcium lignin sulphonate, starch alkyl ester and polyethylene glycol; then adding diethyl phosphate, butyl acrylate and sodium lauryl sulfate into the obtained mixture and successively carrying out mixing under stirring and compounding; adding polytetrafluoroethylene, dimethyl ethanolamine and hydroxyethyl cellulose into the obtained compound; and then carrying out heating and stirring in an inert gas atmosphere and carrying out compounding so as to obtain the medical pressure-sensitive hydrocolloid adhesive. The medical pressure-sensitive hydrocolloid adhesive provided by the invention has excellent properties, wherein initial adhesion of the adhesive allows a standard steel ball No. 32 to be adhered, holding power reaches 114 min or above, peel strength reaches 0.07 KN.m<-1> or less, and peeling integrity is 97.9% or above; so the medical pressure-sensitive hydrocolloid adhesive has excellent adhesion and holding power, is convenient to peel and maintains good integrity after peeling.

The invention discloses an atom transfer free radical polymerization initiator with gemini surface activity. A synthetic method of the initiator comprises the following steps of: undergoing an esterification reaction on halogenated carboxylic acid, a derivative thereof and N,N-dimethylethanolamine serving as raw materials; and undergoing a substitution reaction on dihalide to obtain a compound. The synthetic method is simple, is easy and convenient to operate, has a wide monomer application range, and has a wide application prospect in soap-free emulsion polymerization.

The invention discloses a ceiling-type multi-angle monitoring bracket for monitoring equipment. The ceiling-type multi-angle monitoring bracket comprises a metal outer shell, and a protective film is coated on the metal outer shell, wherein the protective film consists of the following components in parts by weight: 4.2 parts of methylated amino resin, 1.3 parts of lauryl sodium sulfate, 0.8 part of modified diatomite, 0.9 part of castor oil, 1.3 parts of propylene glycol and 1.1 parts of dimethyl ethanolamine. The ceiling-type multi-angle monitoring bracket for the monitoring equipment disclosed by the invention, since the protective film which is excellent in corrosion resistance, waterproofing and weather resistance is coated on the metal outer shell, can be integrally protected, so that the service life of the ceiling-type multi-angle monitoring bracket for the monitoring equipment is prolonged.

The invention provides a waterborne non-sticky bactericidal coating. The waterborne non-sticky bactericidal coating is mainly prepared from, by weight, 60-70 parts of polytetrafluoroethylene emulsion, 8-15 parts of acrylic emulsion, 6-8 parts of polymeric aluminum sulfate, 0.4-1 part of a thickener, 1-2 parts of a catalyst, 1-2 parts of photocatalytic titanium dioxide, 1-2 parts of nano silver oxide, 1-2 parts of dimethyl ethanolamine, 0-1.5 parts of pearl powder, 0-6 parts of a high-temperature-resistant toner and 10-15 parts of deionized water. The waterborne non-sticky bactericidal coating is excellent in non-sticking performance, high in sterilization rate and excellent in air purification effect and also has very good yellowing resistance performance. In addition, the waterborne non-sticky bactericidal coating is excellent in comprehensive performance and has good adaptive capacity to a construction environment, the input of temperature and humidity regulation devices is reduced, and the energy consumption of construction is reduced.

The invention relates to waterborne brilliant UV-curable aluminium paint, a preparation method and an application method thereof, in order to solve the problems of unsmooth surface of electroplated workpieces, low luster, bad adhesive force, bad wear resistance, and the like, and belongs to the field of environmentally friendly aluminium paint. The aluminium paint mainly comprises the following components in parts by mass: 65-95 parts of waterborne UV-curable polyurethane acrylate, 0.05-0.5 parts of a wetting agent, 0.05-0.5 parts of a levelling agent, 2-10 parts of a thickening agent, 0.5-3.5parts of a photoinitiator, 0.05-0.5 parts of an antifoaming agent, 0.1-3.0 parts of dimethyl ethanolamine, 1-6 parts of water, and 2-14 parts of aluminium slurry. The aluminium paint can be used forcoating the surface of a household electrical appliance plastic part, and the paint film has the characteristics of good aluminium powder arrangement effects, high luster, high hardness and high wearresistance.

The invention discloses an aqueous softener which comprises, by weight, 20-25 parts of sodium tripolyphosphate, 15-20 parts of sodium dihydrogen phosphate, 15-20 parts sodium pyrophosphate, 10-15 parts of citric acid, 10-12 parts of dimethyl ethanolamine, 8-10 parts of fatty alcohol polyoxyethylene ether, 10-12 parts of monoethanolamine, 8-10 parts of sodium methacrylate, 10-15 parts of potassium polymetaphosphate, 8-10 parts of rosin resin and 10-12 parts of phenolic resin. The aqueous softener has the advantages that the softener is used for printing and dyeing fabric and clothing materials in the textile industry, hard water can be softened sufficiently, clothing material dying brightness is well guaranteed during printing and dyeing, and standard printing and dyeing is achieved.

The invention discloses a preparation method for a series of polyurethane catalysts. The preparation method comprises the following steps: SioO2 and Al2O3 with different ratios are employed as carriers, soaked in an ammonium sulfate aqueous solution, dried and roasted, and a silicon-aluminum-loaded solid acid catalyst is prepared; then a mixture of N,N-dimethyl ethanolamine and N-methyl diethanolamine is employed as a raw material, the raw materials and the silicon-aluminum-loaded solid acid catalyst accounting for 1-10% of the total weight of the raw material are added in an autoclave and a reaction is carried out; the filtrate after the reaction is subjected to rectification separation and therefore N-methyl morpholine, 2-dimethylaminoethyl ether and N,N,N'-trimethyl-N'-hydroxyethyl-bis-amino ethyl ether are obtained respectively.

The invention discloses a high-oil emulsified waste lye treatment agent, which comprises an F regulator and a T flocculating agent, wherein the F regulator comprises the following components in percentage by weight: 1-2 percent of dimethylethanolamine, 5-7 percent of exsiccated ammonium alum, 4.8-9.6 percent of magnesium sulfate, 8.6-17.2 percent of aluminum choride, 11.5-23 percent of ferrous sulphate, 1-2 percent of hydrochloric acid and 40.5-67.3 percent of water; and the T flocculating agent comprises the following components in percentage by weight: 20-35 percent of propylene oxide, 15-25 percent of ethylene oxide, 10-15 percent of ammonium chloride and 25-55 percent of water. The treatment agent has unique effects on high-oil emulsified waste lye. The invention provides a process using the high-oil emulsified waste lye treatment agent. The F regulator is added into the high-oil emulsified waste lye by stirring to be uniformly stirred; and the T flocculating agent is added by stirring to be uniformly stirred and stood and delaminated. The process has stability and reliability and convenient management, ensures the stable operation of a sewage disposal field and the discharge of wastewater after reaching standards, and can be used for treating the high-oil emulsified waste lye by slightly reforming the traditional equipment and reduce the treatment cost.

The invention discloses an anticorrosive paint for stainless steel. The anticorrosive paint is prepared by mixing the following raw materials in parts by weight: 50-70 parts of alkyd resin, 30-40 parts of silicon dioxide emulsion, 60-70 parts of polyvinyl acetate resin, 6-12 parts of phenyl trimethoxy silane, 10-20 parts of isobutanol, 10-14 parts of acetone, 8-14 parts of polybenzimidazole, 5-9 parts of KH-570, 11-14 parts of talcum powder, 12-14 parts of dimethyl ethanolamine, 7-10 parts of petroleum sodium sulfonate and 80-100 parts of water. The industrial tests prove that the anticorrosive paint has the advantages of terrific water resistance and corrosion resistance, can realize passivation and corrosion inhibition of a metal substrate, and avoids the use of heavy metals such as chromium which can cause environmental pollution; furthermore, the anticorrosive paint for the stainless steel is simple to prepare, low in cost and easy in industrial production.