202 results about "Ethylene glycol bis" patented technology

The invention discloses high-voltage electrolyte and a lithium ion battery using the electrolyte. The invention is realized by the following technical scheme: the high-voltage electrolyte comprises a non-aqueous solvent, lithium salt and an additive, wherein the non-aqueous solvent is a carboxylic ester compound which accounts for 1-40% by mass of the high-voltage electrolyte; the additive is any one or more of lithium bis(oxalate)borate (Li BOB), fluoroethylene carbonate (FEC) and ethylene glycol bis(propionitrile) ether. The high-voltage electrolyte contains carboxylic ester solvents capable of improving an electrode/electrolyte interface, and through optimized combination of the carboxylic ester solvents, Li BOB, FEC, ethylene glycol bis(propionitrile) ether and other various additives, the good cycle performance of a high-voltage battery can be ensured, meanwhile, the high-temperature storage performance of the high-voltage battery can be effectively improved, and gas generation of the battery under high-voltage high-temperature storage condition can be obviously inhibited.

The invention discloses a method for preparing disodium ethylene glycol bis(2-ethyl-1-butyl)sulfosuccinate. The method comprises the following steps of: combining maleic anhydride and two hydroxyl radicals on ethylene glycol to perform mono-esterification to obtain ethylene glycol bis(monomaleate); performing di-esterification on the ethylene glycol bis(monomaleate) and 2-ethyl-1-butanol to obtain ethylene glycol bis(2-ethyl-1-butyl) dimaleate; and performing conjugate addition on the ethylene glycol bis(2-ethyl-1-butyl) dimaleate and sodium hydrogensulfite to obtain the product, wherein whenthe maleic anhydride is reacted with the ethylene glycol, a carbon-based solid acid catalyst is adopted. The method is simple, and easy to implement; the consumption of raw materials is reduced; the cost is saved, and impurities of the product are reduced.

The invention discloses a light-cured three dimensional printing material and a preparation method thereof. The light-cured three dimensional printing material comprises, by mass, 40-45 parts of polyester modified epoxy acrylate, 8-12 parts of cycloaliphatic epoxy resin, 8-10 parts of trihydroxymethylpropyl trimethylacrylate, 16-20 parts of 1,6-hexanediol diacrylate, 2-8 parts of triethyleneglycol divinyl ether, 1.5-2 parts of isopropylthioxanthone, 1.5-2 parts of 2-phenyl-2,2-dimethylamino-1-(4-morpholinylphenyl)-1-butanone, 1.5-2 parts of a reactive tertiary amine co-initiator, 0.5-2.7 parts of 4-isobutylphenyl-4'-methylphenyliodonium hexafluorophosphate, 0.5-2 parts of an anthraquinone derivative, 0.5-2 parts of a promoter and 4-8 parts of a flexibilizer. Shaped parts made by using the light-cured three dimensional printing material have the advantages of low shrinkage, high toughness and high shaping precision.

The invention provides a preparation method and application of a composition for decomposing low-molecular aldehyde without illumination. The composition mainly comprises chitin, EDTA, carbohydrazide, glycerin, polyethylene glycol, dicyandiamide, sodium phytate, phytic acid, glucoside, sodium sulfanilate, mannitol, citric acid, sodium thiosulfate, modified starch, cellulose, gelatine powder, aluminum oxide, silica, diatomite and kaolin. The composition can be used for removing formaldehyde, acetaldehyde and other low-molecular aldehyde and harmful small polar molecules in gas-liquid-solid phase substances. The composition can be used for removing residual formaldehyde in decorative materials in buildings, and an aqueous solution and the gas state of the composition can be used for decomposing formaldehyde in the liquid phase and the gas phase. Solid of the composition can be added into materials such as indoor building materials, wallpaper glue, diatom ooze, seashell ooze, silicon balls, diatom balls, interior wall coating materials and water-based paint. According to a decomposing function of the composition, one part of the composition with the components can decompose 2 parts of formaldehyde solutions (40%), salt and water are generated, secondary pollution is avoided, illumination is of no need, and the formaldehyde decomposition rate can reach 99.7% or over.

The present invention relates to a washing liquor and its preparation method, in particular, it relates to a washing concentrate and its preparation method. Said washing concetnrate is formed from the following raw material: (by wt%) 38.5-54.6% of fatty alcohol polyoxyethylene ether sulfate and lauryl sulfate, 0% or 3-6% of ethylene glycol distearate, 0-9% of coco alkanolamide, 0-7% of coco amide propylbetaine, 0-4% of dodecyl dimethyl amine oxide, 0-3% of inorganic salt, 0-1% of acidifying agent, 0-0.5% of preservative, 0-30% of water and impurity. Said invention also provides the concrete steps of its preparation method.

The invention discloses an easy-to-operate, high yield preparation process for ethylene glycol di-aromatic ether suitable for industrialized production which comprises the steps of, charging substituted phenol and queous alkali into reactor for stirring reaction, filling excess dichloroethane and phase transition catalyst, carrying out inverse flow reaction at 70-100 deg. C, the reacting time being 15-35 hours, concentrating water at 95-130 deg. C, thus completing the reaction, watering so as to dissolve inorganic salt completely, abandoning the water layer, recrystallizing the residue.

The invention discloses an electrolyte for a high-voltage lithium ion battery and the high-voltage lithium ion battery. Additives of the electrolyte comprise ethylene glycol bis(propionitrile) ether and cyclic anhydride containing unsaturated double bonds; the electrolyte is used for the lithium ion battery, and can enable the lithium ion battery to maintain good cycle performance and high-temperature storage characteristic at high voltage.

The invention relates to an efficiently-solubilizing anionic Gemini surfactant used for chlorinated hydrocarbon pollutants and a synthesis method of the efficiently-solubilizing anionic Gemini surfactant used for the chlorinated hydrocarbon pollutants. After being dissolved in water, the synthesized ethylene glycol di-maleic acid 1-decanol diester sulfonate Gemini surfactant (GS-10) forms electronegative micelle under a condition of a concentration higher than a critical micelle concentration, and hydrophobic chlorinated hydrocarbons, such as TCE and PCE, enter the micelle to increase the apparent solubility of the pollutants in the water. The efficiently-solubilizing anionic Gemini surfactant used for the chlorinated hydrocarbon pollutants can be preferably used for an underground water surfactant in-situ flushing technology to remove residual chlorinated hydrocarbon pollutants in aquifers, and has wide application.

The invention relates to a dialkyl ether disulfonate surfactant used for tertiary oil recovery and heavy oil viscosity reduction and a preparation method thereof. The dialkyl ether disulfonate surfactant can improve the surface activity and reduce the critical micelle concentration. According to the technical scheme, the ialkyl ether disulfonate surfactant is 1,2-bis(2-oxygen propane sodium sulfonate-3-alkyl ether-propyl) glycol ether with the code of TTSS-2-n. The preparation method of the dialkyl ether disulfonate surfactant comprises the following steps: adding ethylene glycol, boron trifluoride ethyl ether and epichlorohydrin for reaction of 6-12h, and adding ethanol solution of NaOH for reaction of 6-9h to obtain ethylene glycol bisepoxypropyl ether; adding the product of reaction and fatty alcohol into potassium or sodium hydride for reaction at 80 DEG C, neutralizing, and reducing pressure to distill to obtain light yellow liquid; and adding and dissolving the product of reaction into the tetrahydrofuran propane sultone for reaction of 2-8h to finally obtain the 1,2-bis(2-oxygen propane sodium sulfonate-3-alkyl ether-propyl) glycol ether with the code of TTSS-2-n.The dialkyl ether disulfonate surfactant has a novel structure, high surface activity, low critical micelle concentration and good temperature and salt resistance and can be used for the exploitation of crude oil in the oil filed.

The invention relates to a polyurethane foam composite flame retardant and a preparation method thereof. The composite flame retardant is composed of TCPP and a diethylene glycol chloropropyl phosphate oligomer which are in the weight ratio of (40-50):(60-50) measured by 100 parts, and the diethylene glycol chloropropyl phosphate oligomer is also known as a diethylene glycol bis(2-(chloroethyl)phosphate oligomer and is a compound or a mixture shown as a structural formula II. By using the composite flame retardant provided by the invention, defects existing in a using process of a single flameretardant are avoided, meanwhile, the problem of high atomization performance is solved, and the prepared polyurethane foam sponge is very low in atomization value and good in flame retardance.

The invention discloses a preparing method of Nitrogen-doped carbon nano-material modified by metal cobalt. The preparing method comprises the first step of adopting Ethylene glycol-bis-(2-aminoethylether)-N,N,N',N'-tetraacetic acid or ethylenediaminetetraacetic acid as a carbon source and adding the carbon source into a beaker; the second step of stirring the carbon source and using a nitrogen source to adjust the ph value of a solution to be neutral till the carbon source is completely dissolved; the third step of adding water into cobalt nitrate or cobalt acetate to dissolve cobalt nitrate or cobalt acetate, putting dissolved cobalt nitrate or cobalt acetate into the solution of which the pH value is already adjusted; the fourth step of stirring the solution and afterwards again adjusting the pH value to be neutral, and putting the prepared solution into a rotary evaporator to spin out moisture; the fifth step of placing the solution to an electrothermal blowing dry box to dry the solution and obtaining a solid body; the sixth step of grinding the obtained solid body into fine powder and placing the fine powder into a porcelain boat, under the condition of the protection of nitrogen, placing the porcelain boat in a vacuum tube type high-temperature sintering furnace to be subjected to heating and roasting to prepare the Nitrogen-doped carbon nano-material modified by metal cobalt. According to the preparing method of the Nitrogen-doped carbon nano-material modified by metal cobalt, the steps of synthesis of carbon nano-materials, doping of nitrogen, and modification of metal ion cobalt are integrated into one, thus the obtained catalyst is large in superficial area, stable in structure and property, and is applicable to heterogeneous catalysis such as epoxidation of alkene.

The invention provides a colored bubble liquid comprising the following components in percentage by weight: 60-90 percent of distilled water, 2-30 percent of polyoxyethylene octylphenol (10) ether, 1-10 percent of propanetriol, 0.1-2 percent of tackifier and 0.01-3 percent of pearling agent, wherein the tackifier is rosin, terpene resin or petroleum resin; and the pearling agent is a mixture of 30-90 percent of ethylene glycol distearate and 10-70 percent of ethylene glycol monostearate. The colored bubble liquid can blow bubbles which have bright colors and are not easy to burst.

The invention relates to a new synthetic method of a PET imaging agent L-5-<18>FETP. The method comprises the following steps: (a) carrying out a reaction between 5-hydroxytryptophan and C<1-3>alkylolto obtain a product; carrying out a reaction between the product and di-tert-butyl (i.e. (BOC)2O) to obtain N-BOC-L-5-hydroxytryptophan; (b) fluorizating 1,2-glycol tosylate in the presence of the ions such as potassium carbonate, Kryptate2.2.2 and <18>F<-> to obtain 2-<18F>-fluoroethanol p-toluene sulphonic acid ester (i.e. <18>FCH2CH2OTs); (c) carrying out a reaction between the 2-<18F>-fluoroethanol p-toluene sulphonic acid ester and the alkali metal salt of the N-BOC-L-5-hydroxytryptophan (such as sodium salt) to obtain O-(2-<18F>fluoroethyl)-N-BOC-L-5-hydroxytryptophan; (d) hydrolyzing the O-(2-<18F>fluoroethyl)-N-BOC-L-5-hydroxytryptophan under acidic conditions to remove an amino group and a carboxy protective group and obtain a final product of O-(2-<18F>fluoroethyl)-N-BOC-L-5-hydroxy tryptophan; and (e) purifying the product. The method greatly improves the radiochemical yield, obtains a sufficient quantity of a target product and realizes the clinical application of the target product.

The invention relates to oil paint and particularly relates to fluororesin oil paint with weather resistance, temperature resistance and color retention. The fluororesin oil paint comprises the following materials in parts by weight: 20-24 parts of fluororesin, 12-15 parts of thermoplastic acrylic resin, 2-3 parts of sodium diacetate, 1-2 parts of ethylene glycol bis-glycidyl ether, 3-4 parts of isocyanuric acid tri-glycidyl ether, 10-12 parts of tripropylene glycol diacryate, 1-2 parts of europium trifluoroacetylacetone, 25-30 parts of urethane acrylate, 2-3 parts of polyacrylamide, 1-2 parts of ferrocene, 2-3 parts of isocyanate, 5-8 parts of epoxidized soybean oil, 1-2 parts of zinc naphthenate, 3-4 parts of diaminodiphenyl-methane, 5-6 parts of additive, 10-12 parts of dimethylbenzene and 10-12 parts of butyl acetate. The fluororesin oil paint has the advantages that the adhesive force of a paint film is strong, the color is bright and full, the color retention is lasting and yellowing resistance is achieved, also has the advantages of weather resistance, ageing resistance, temperature change resistance, anti-corrosion and anti-rusting performances and brushing resistance and the like and can be widely applied in protective decoration of articles in various environments.

The invention relates to a method for synthesizing a chelating reagent commonly used in the chemistry, medicine or molecular biology, in particular to a method for producing ethylene glycol-bis (2-aminoethyl ether) tetraacetic acid (EGTA) and belongs to the technical field of fine chemical engineering. In the method for producing the EGTA, disodium iminodiacetate and triethylene glycol dichlorideare taken as production raw materials, parameters such as temperature, pH and the like in a production process are controlled strictly to synthesize the EGTA at the same time, and the purification ofthe EGTA is realized by a boiling water rinsing method. The EGTA prepared by the method of the invention has the advantage of high purity.

The invention discloses a high-processability polyurethane shoe sole material stock solution which comprises a component A and a component B, wherein the component A is prepared from polyester polyol, a chain extender, a catalyst, a foaming agent and a foam stabilizer; the polyester polyol is composed of polyadipic acid ethylene glycol diglycol ester polyalcohol, polyadipic acid ethylene glycol diethylene glycol glyceride polyalcohol and polyphenylene anhydride adipic acid ethylene glycol diglycol ester polyalcohol; and the component B is an isocyanate-terminated prepolymer prepared by reacting isocyanate with polyadipic acid ethylene glycol diglycol ester polyalcohol, polysuccinic acid adipic acid ethylene glycol diglycol ester polyalcohol and polyether glycol. The shoe sole prepared from the high-processability polyurethane shoe sole material stock solution can be used for preparing the shoe sole with higher hardness under low density conditions; and the prepared shoe sole is convenient for subsequent processing, has favorable toughness, can not be easily deformed or damaged, and is comfortable to wear.

The invention discloses a disproportionated rosinyl anion/non-ion composite surfactant and a preparation method thereof. According to the invention, the non-ion is rosin polyethyleneglycol diester and the anion is dehydrogenated rosin polyethyleneglycol diester sulfonate. The invention also discloses the preparation method of the composite surfactant. According to the preparation method, a one-pot method is adopted, about 50% of dehydroabietic acid is contained in dehydrogenated rosin and the benzene ring of dehydroabietic acid can be subjected to sulfonation reaction. The preparation method comprises the steps of esterifying the dehydrogenated rosin and polyethylene glycol to form sulfonation reaction; and sulfonating the benzene ring in the diester by using a sulfonating agent, and salifying, so as to obtain the disproportionated rosinyl anion/non-ion composite surfactant by utilizing the one-pot method. The critical micelle concentration of the prepared surfactant is 0.08-0.1mmol/L and the range of the surface tension is 38.9-42.1mN/m. The surfactant containing anion and non-ion in the product is a novel functional composite green surfactant.

The invention discloses a light-duty liquid detergent and a preparation method thereof. The light-duty liquid detergent comprises the following components in parts by weight: 4-8 parts of sodium lauryl sulfate, 1-3 parts of hydroxymethyl cellulose, 1-3 parts of fatty alcohol polyethenoxy ether sodium sulfate, 5-10 parts of coconut oil acyl diethanolamine, 2-4 parts of sodium citrate, 2-4 parts of sodium silicate, 0.2-0.4 part of rose essence, 20-40 parts of ethylene glycol bis-stearate and 3000-5000 parts of water. Compared with the prior art, the invention has the advantages of good cleaning effect, mild properties, does not damage the surface of fabric, silk or the like, is easy to clean, does not leave any chemical residue, and is nontoxic and harmless to the human body.