36 results about "N-decyl alcohol" patented technology

The invention belongs to the field of high-methanol gasoline at a low temperature and particularly relates to a high-methanol gasoline additive composition for an engine at the low temperature and methanol gasoline of the high-methanol gasoline additive composition. The high-methanol gasoline additive composition is characterized by being prepared from the following components in percentage by mass: 30 percent of a modifier A, 32-42 percent of a modifier B and the balance of acetone and being prepared by the following special steps of 1) after heating a stirring tank, adding n-decyl alcohol, mixing bis(2-dimethylaminoethyl) ether in the n-decyl alcohol, and performing centrifugal stirring for 8-20 min to obtain the modifier A, wherein the number of revolutions for centrifugal stirring is 1500 r / min, and the mass ratio of the bis(2-dimethylaminoethyl) ether to the n-decyl alcohol is 1 to 5; 2) after heating the stirring tank, adding isodecanol, mixing anhydrous hydrazine in the isodecanol, and performing stirring for 8-20 min to obtain the modifier B, wherein the mass ratio of the anhydrous hydrazine to the isodecanol is (1 to 7)-(1 to 6); and 3) mixing the modifier A, the modifierB and the acetone to obtain the additive composition. The additive at the low temperature and the methanol gasoline thereof are clean and environmentally friendly and are low in noise and less in yield of formaldehyde.

The present invention relates to a kind of functional non-woven fabric with functions of resisting alcohol, oil, plasma, static electricity and permeation. The functional non-woven fabric is produced through dipping non-woven fabric in functional assistant liquid, rolling to eliminate redundant assistant, stoving and winding. The functional assistant liquid is water solution with waterproofing agent 25-30 g / l, antistatic agent 2-4 g / l and seepage agent 0.5-1.5 g / l. The waterproofing agent consists of acrylic fluoride, polymethyl acrylic acid, glycol and water in certain weight proportion; the antistatic agent consists of alkyl phosphate and water in certain ratio; and the seepage agent consists of polyglycol, sorbitan, oleic acid mixture, n-decyl alcohol and water in certain weight proportion. The roller has rolling speed of 25-35 m / min and rolling pressure of 3-5 kgf / sq cm; and the stoving temperature is 135-150 deg.c.

The invention discloses a synthetic method of 1, 3-didecyl glyceryl ether ethoxylate. According to the technical scheme, the synthetic method comprises three synthesis operations: reacting n-decyl alcohol with epoxy chloropropane to obtain decyl glycidyl ether and 1, 3-didecyl glyceryl ether; and adding ethylene oxide to the 1, 3-didecyl glyceryl ether to obtain the 1, 3-didecyl glyceryl ether ethoxylate. The method disclosed by the invention has the following effects that the ethoxylate has good lipophilicity and surface activity; the ethoxylate is compounded with a carboxyl glycine betaine ampholytic surfactant to reduce the tension of crude oil / formation water balanced interface to 10<-3>mN / m order of magnitudes without adding any alkalis, basic salts, neutral electrolytes or cosurfactants.

The invention belongs to the field of methanol gasoline additives, and particularly relates to a composition for low-alcohol gasoline additives for engines and a method for preparing the composition.The composition for the additives comprises, by weight, 21% of modifiers A, 36-45% of modifiers B, 3% of nanometer combustion improvers and the balance acetone. Stirring tanks are vacuumized and are heated until the temperatures of the stirring tanks reach 30-35 DEG C, then ethylene glycol monomethyl ether and glycerin are mixed with each other and are centrifugally stirred for 8-20 min to obtainthe modifiers A, the centrifugal stirring numbers of turns are 1500 r / min, and a mass ratio of the ethylene glycol monomethyl ether to the glycerin is 1:6; stirring tanks are vacuumized and are heateduntil the temperatures of the stirring tanks reach 30-35 DEG C, then bis-dimethylamino ethyl ether and n-decyl alcohol are mixed with each other and are centrifugally stirred for 8-20 min to obtain the modifiers B, the centrifugal stirring numbers of turns are 1500 r / min, and a mass ratio of the bis-dimethylamino ethyl ether to the n-decyl alcohol is 1:8-1:5. The composition and the method have the advantage that the problems of difficulty in starting under the low-temperature conditions, unclean and non-environment-friendly tail gas and high noise can be solved by the aid of the compositionand the method.

The present invention relates to the technical field related to plasticizers, and more particularly, the present invention provides a plasticizer compound, a preparation method and a PVC compound material containing the same. A first aspect of the present invention provides a plasticizer compound, the preparation raw materials include dianhydrides, alcohols, catalysts, alkaline water and filter aids; wherein, the alcohols include n-decanol. The invention mainly provides a light-colored plasticizer, which improves the processing performance of the plasticizer and the PVC matrix material, and simultaneously improves the temperature resistance of the product obtained by using the plasticizer, reduces the haze and the taste of the composite material, And reduce VOC gas emissions.

The invention discloses reagents and a method for separation of ofloxacin racemic mixture by utilization of ionic liquid and L-dibenzoyltartaric acid together. Ofloxacin racemic mixture and alkyl imidazole L-tartrate ionic liquid are dissolved in deionized water and a water phase is formed. At the same time, L-dibenzoyltartaric acid is dissolved in n-decyl alcohol and an organic phase is formed. The organic phase and the water phase are mixed and placed in a vibrator for vibration, and then the mixture is permitted to stand. The concentrations of L-ofloxacin and D-ofloxacin in the water-phase clear solution are detected. The concentrations of L-ofloxacin and D-ofloxacin in the organic phase are obtained through a law of conservation of mass respectively. The distribution coefficients of L-ofloxacin and D-ofloxacin are calculated respectively, and therefore the separation factor is calculated, the separation effect is good and the separation is successful. Separation of ofloxacin racemic mixture is achieved by utilization of alkyl imidazole L-tartrate ionic liquid and L-dibenzoyltartaric acid together, the separation efficiency is raised, required reagents for separation are reduced, the operation technology is simple, the selectivity is high, and the method is suitable for industrial production.

The invention relates to a method for extracting palladium from an alkaline aurocynide solution by using dodecyl dimethyl-2-phenoxyacetic ammonium bromide and belongs to noble metal hydrometallurgy. The method comprises the following steps: adjusting pH of [Pd(CN)4]2- slurry to 9.5-11.5 as an aqueous phase of an extraction system; by using dodecyl dimethyl-2-phenoxyacetic ammonium bromide (DDPB for short) as an extraction agent, one of n-amyl alcohol, hexyl alcohol, n-heptanol, n-octyl alcohol or n-decyl alcohol as a synergist and one of benzene or xylene or n-heptane or sulfonated kerosene as a diluent, mixing phases and standing to layer as the concentration of DDPB in an organic phase is 0.01-0.03mol / L; transferring [Pd(CN)4]<2-> from the aqueous phase to the organic phase, and reversely extracting palladium from a 0.1-0.3mol / LNH3SCN liquid; and the like. The solvent provided by the invention is saturated in extraction system and high in extraction capacity, easy to reversely extract, short in extraction period and low in cost, and has promotional and application prospects.

The present invention relates to the technical field of compound synthesis. Aiming at the problem that there is no preparation method of decyl oleate in the prior art, a preparation method of decyl oleate is provided, which includes the following steps: step (1), mixed oil Acid and n-decyl alcohol form a premix; step (2), add catalyst to the premix to form a mixture; step (3), heat the mixture to 160°C-280°C, react for 2-12h, take the reacted mixture to obtain decyl oleate. The invention has the effects of accelerating the reaction rate, improving the yield of the reaction and the purity of the product.

The invention belongs to the field of high-methanol gasoline at a low temperature and particularly relates to a high-methanol gasoline additive composition for an engine at the low temperature and methanol gasoline of the high-methanol gasoline additive composition. The high-methanol gasoline additive composition is characterized by being prepared from the following components in percentage by mass: 30 percent of a modifier A, 32-42 percent of a modifier B and the balance of acetone and being prepared by the following special steps of 1) after heating a stirring tank, adding n-decyl alcohol, mixing bis(2-dimethylaminoethyl) ether in the n-decyl alcohol, and performing centrifugal stirring for 8-20 min to obtain the modifier A, wherein the number of revolutions for centrifugal stirring is 1500 r / min, and the mass ratio of the bis(2-dimethylaminoethyl) ether to the n-decyl alcohol is 1 to 5; 2) after heating the stirring tank, adding isodecanol, mixing anhydrous hydrazine in the isodecanol, and performing stirring for 8-20 min to obtain the modifier B, wherein the mass ratio of the anhydrous hydrazine to the isodecanol is (1 to 7)-(1 to 6); and 3) mixing the modifier A, the modifierB and the acetone to obtain the additive composition. The additive at the low temperature and the methanol gasoline thereof are clean and environmentally friendly and are low in noise and less in yield of formaldehyde.

The invention provides a preparation method of an oxidation flocculation composite water treatment agent, which comprises the following concrete steps of weighing n-decyl alcohol, putting silver powder with the weight of 0.5-5.5% of n-decyl alcohol into a three-mouth flask, continuously supplying nitrogen, adding 20ml ethylene diamine tetraacetic acid, quickly performing temperature rise to 100-300 DEG C, cooling to a room temperature after reaction completion, adding 10g trinitrotoluene, heating to 40 DEG C, stirring for 30min, cooling to the room temperature, adding trimethylamine and chitosan to a solution, performing a thermostatic reaction for 5h, naturally cooling to the room temperature, adding 10g dimethyl ether, 10g humic acid and 10g polyacrylamide, loading into a sealed pressure vessel, performing a reaction for 2-4h at 1.0-2.0MPa and 150-250 DEG C, performing ultrasonic oscillation on the solution for 60-90min, and obtaining the oxidation flocculation composite water treatment agent. The oxidation flocculation composite water treatment agent prepared by the method has the advantages of less consumption, high reaction speed, good flocculation effect and the like.

The invention discloses a split reagent and a split method for an ofloxacin racemic mixture. The method is as below: dissolving an ofloxacin racemic mixture and an alkyl imidazole L-tartaric acid salt ionic liquid in deionized water to form an aqueous phase, and at the same time dissolving D-dibenzoyl tartaric acid in n-decyl alcohol to form an organic phase; mixing the organic phase and the aqueous phase; oscillating the mixture in an oscillator and standing; detecting concentration of L-ofloxacin and D-ofloxacin in a clear aqueous phase; acquiring the concentration of L-ofloxacin and D-ofloxacin in organic phase respectively by the law of conservation of mass; respectively calculating the distribution coefficient of the L-ofloxacin and D-ofloxacin; and further calculating a separation factor. The reagent and the method have good separation effect, and is successfully in splitting. The invention uses alkyl imidazole L-tartaric acid salt ionic liquid and D-dibenzoyl tartaric acid for splitting of the ofloxacin racemic mixture, improves the splitting efficiency and reduces the reagents required by splitting; and the method has simple operation and high selectivity, and is suitable for industrial production.

The invention discloses a method for extracting magnesium from metallurgical waste water. According to the method, magnesium is prepared by the steps of performing an extracting process and performinga back-extracting process respectively by taking sulphonated kerosene as a diluting solvent, taking dinonyl naphthalene sulphonic acid, di(2-ethylhexyl)phosphate and n-decyl alcohol as composite extracting solvents and taking sulphuric acid as a back extracting agent; the method for extracting the magnesium from the metallurgical waste water disclosed by the invention has the characteristics thatthe production process is green, environmentally friendly and production-free, the production and operation cost is low and large-scale production is facilitated. The method for extracting the magnesium from the metallurgical waste water disclosed by the invention has the advantages that high extracting speed and short extracting and back-extracting time are achieved; the extracting process and the back-extracting process can be completed within 2 to 3 minutes respectively; the liquid separating time is short and only requires 3 to 5 minutes after the extracting and the back-extracting are ended; as the method disclosed by the invention has the advantages of high extracting speed and short time consumption, a continuous feeding extracting process can be realized; moreover, the single-stage extracting rate of the extracting process and the single-stage extracting rate of the back-extracting process of the method are high, and can be up to 86.59 percent and 96.31 percent respectively; aproduction process is simple and feasible, and popularization and application are facilitated.

The invention discloses a method for preparing decanediol dicarboxylate and derivatives thereof. The raw material used in the present invention is furfural, which can be obtained by hydrolysis of hemicellulose, and the furfural is efficiently converted into decanediol dicarboxylate, n-decyl carboxylate and corresponding alcohols through two steps of condensation and hydrogenolysis. It is characterized in that: using the compound of formula (I) as raw material, under the double action of trifluoromethanesulfonate and hydrogenation catalyst, selectively hydrodeoxygenating in acidic solvent to obtain decanediol dicarboxylate and carboxylate N-decyl acid. The above product was saponified to obtain 1,10-decanediol and n-decyl alcohol. The raw materials used in the invention are cheap and easy to obtain, the yield of the product is high, the purity is high, the pollution to the environment is small, the process route is simple, and it is suitable for industrialized production.

The invention relates to wire drawing oil, and in particular relates to oregano-oil-containing antioxidant wire drawing oil; the origanum-oil-containing antioxidant wire drawing oil comprises the following raw materials by weight: 120-140 parts of epoxy soybean oil, 45-60 parts of biodiesel, 5-8 parts of n-decyl alcohol, 1-2 parts of zinc primary-secondary alkyl sulfur phosphate, 1-2 parts of oregano oil, 10-12 parts of iso-tridecanol polyoxyethylene ether, 0.1-0.2 part of potassium stearate, 0.2-0.3 part of sodium benzoate, 1-2 parts of sulfurized isobutylene and 2-3 parts of an assistant; the oregano oil with excellent antibacterial antioxidant capacity is specially added in the formula of the oregano-oil-containing antioxidant wire drawing oil, the problem that the epoxy soybean oil in based oil is easy to oxidize and deteriorate can be effectively improved; by combination with other additives, the prepared wire drawing oil is environmentally-friendly, easy to degrade, good in thermal stability, more resistant to store, low in cost, and excellent in lubricating properties, and can meet wire drawing and drawing process of various metal wire materials.