442results about How to "Good oil solubility" patented technology

The invention provides a method for preparing high base number (TBN400) synthetic calcium alkyl-benzene sulfonate. The method comprises the following steps of: adopting a mixed acid of long-chain linear alkyl-benzene sulfonic acid and high-boiling heavy alkyl-benzene sulfonic acid, calcium oxide and/or calcium hydroxide, low-carbon alcohol, alkaline-earth metal halide or nitrate, and a mixture of alkaline-earth metal alkylphenol or alkaline-earth metal alkylphenate and polyisobutylene succinic anhydride for a neutralization reaction in the presence of a solvent and cutback oil at a temperature of between 40 and 80 DEG C; then, passing through carbon dioxide to a product of the neutralization reaction at a temperature of between 40 and 60 DEG C for a carbonation reaction; and producing high base synthetic alkyl-benzene sulfonate with a total base number (TBN) of 400mgKOH/g by adopting a process of a one-step method. The product is divided into high-base number (TBN400) synthetic alkyl-benzene sulfonate containing chlorine and high-base number (TBN400) synthetic alkyl-benzene sulfonate without the chlorine. The product produced by adopting the method with low viscosity, small turbidity, easy filtration, light color and no skin formation has the advantages of excellent high-temperature detergency, excellent anti-foaming property and excellent heat storage stability.

The invention relates to a high-temperature oil-soluble temporary blocking agent. The high-temperature oil-soluble temporary blocking agent is characterized by comprising the following components in percent by weight: 10-40% of asphalt, 20-50% of C9 petroleum resin, 15-50% of coumarone resin, 5-15% of a surfactant, 2-15% of a polymer fiber and 1-10% of a softening-point additive. The preparation procedures of the high-temperature oil-soluble temporary blocking agent are as follows: firstly, adding the asphalt into a reactor, heating to melt the asphalt, adding the C9 petroleum resin and the coumarone resin into the reactor, stirring continuously until the substances in the reactor are fully melted, continuously adding the surfactant, the polymer fiber and the softening-point additive into the reactor, stirring for 30 minutes to mix uniformly, stopping heating a mixture, cooling, then collecting particles, washing, and screening to obtain the high-temperature oil-soluble temporary blocking agent with different particle sizes. The high-temperature oil-soluble temporary blocking agent provided by the invention overcomes the defect that the traditional oil-soluble temporary blocking agent can not resist high temperature. The high-temperature oil-soluble temporary blocking agent has good oil solubility, acid and salt resistance and high-temperature degradation resistance. The added softening-point additive is capable of regulating the range of the softening point, and thus an oil layer can be protected.

The invention relates to a long-acting emulsion-type antirust fluid used for metal rust prevention. Every 100 parts of the antirust fluid include the following components according to parts by weight: 3-15 oil soluble surfactant, 1-10 alcohol ether type couplant, 1-10 oily-type rust preventive and the balance base oil, wherein the oil soluble surfactant is any one of petroleum sodium sulfonate with molecular weight ranging from 300 to 800, sodium heavy alkylbenzene sulfonate and sodium sulfanilate, the alcohol ether type couplant is any one of ethyl alcohol, ethyl ether, butyl ether, diethylene glycol monobutyl ether, diethylene glycol propyl ether, butyl glycol ether and ethylene glycol propyl ether, the oily-type rust preventive is any one of barium petroleum sulfonate, dinonyl naphthalenesulfonic acid barium salt and barium soap of petroleum ester oxide, and the base oil is any one of cycloalkyl base oil and paraffin base oil. The long-acting emulsion-type antirust fluid has the advantages of meeting the demands of short-term rust prevention of metal and having lower using cost.

The invention discloses vegetable oil modified rosin phenolic resin and a preparation method thereof. Alkyl phenol reacts with formaldehyde under an alkaline condition to obtain an alkyl phenol resin condensation compound; molten rosin and vegetable oil are firstly used to conduct a Diels-Alder addition reaction; then the alkyl phenol resin condensation compound is dripped into a reaction product of the molten rosin and the vegetable oil to conduct a Diels-Alder addition reaction; and finally, after a final reaction product is esterified, the vegetable oil modified rosin phenolic resin is prepared. The preparation method has the advantages that through the Diels-Alder reaction of the rosin and the vegetable oil, an aliphatic chain is led to a molecular structure, so that the solubility of the rosin phenolic resin in mineral oil is effectively improved, and a softening point of the resin is guaranteed at the same time; the n-heptane accommodation degree is larger than or equal to 20mL/2g and the acid value is smaller than or equal to 25mgKOH/g, so that the vegetable oil modified rosin phenolic resin can serve as matrix resin of heat-set ink and satisfies the requirements of fast drying, high gloss, demulsibility, and the like of the heat-set ink.

The invention provides multifunctional catalytic cracking strengthening additive which comprises a rare earth organic compound, heteropoly acid (and salt thereof), chemical inhibitor, solvent, and the like and has the functions of resisting oxidation and preventing from scorch, dispersing, increasing the acid center, passivating the metal, and the like. When being added into a catalytic cracking lifting pipe reactor, the multifunctional catalytic cracking strengthening additive can inhibit the generation of secondary reaction such as thermal cracking reaction, dehydrogenation condensation reaction, and the like, reduces the generation of side products of net gas, coke, hydrogen, and the like, and improves the yield coefficients of products with high added values, such as liquid gas (especially propylene), gasoline and diesel. The catalytic cracking strengthening additive has the function of metal deactivator and can replace the metal deactivator, therefore, the metal deactivator needs not to be added after the catalytic cracking strengthening additive is added. The invention has the function of resisting oxidation and preventing from scorch, can inhibit a lifting pipe and a settling vessel from being coked and prevent a reaction system from scale deposit, thereby being multifunctional catalytic cracking strengthening additive.

The invention relates to a preparation method of a rosin modified phenolic resin. The method comprises the following three steps of reactions: 1. performing condensation of tert-butylphenol, bisphenol A, tung oil and solid formaldehyde under the action of catalyst magnesium acetate and lime to generate polymer of hydroxymethyl tert-butylphenol; 2. performing an addition reaction with rosin to generate an addition product; and 3. performing esterification of the addition product, pentaerythritol and glycerin under the action of catalyst zinc chloride to generate the rosin modified phenolic resin. The preparation method adopts proper raw material proportioning, reaction temperature, reaction time, catalyst and other technical conditions, thus during the production process, the resin viscosity can be effectively controlled, and the operation is simple and flexible and has good effect. The quality of the product is increased, the oil solubility of resin is good, the oil medium viscosity is high, the normal heptane capacity is 4.5ml/g or more; and the prepared paint film ink has good water resistance and alkali resistance, high hardness, excellent anti-after-binding performance, quick-drying performance, lightness and strong adhesive force. Therefore, the preparation method of the invention is applicable to industrial production.

The invention relates to an olefinic carbon compound nanometer soft metal wear-resistant self-repairing material with surface modification, and a preparation method thereof. A nanometer olefinic carbon material with wear-resistant performance and a nanometer metal material with an abrasion repairing function are subjected to in-situ composite preparation with a sol-gel method, so that the materialhas dual functions of abrasion resistance and reduction and abrasion self-repairing, and the advantage complementation mechanism of the synergetic effect and the performance of different types of nanometer materials is performed. The olefinic carbon compound nanometer soft metal wear-resistant self-repairing material prepared with the preparation method can be used for realizing the breakthroughof 'exponential increase of wearing resistance under extreme pressure', 'zero abrasion of metal friction' under an extreme pressure situation is broken through, true super lubrication under the extreme pressure situation is realized, traditional sulfur-phosphorus-containing liquid lubrication performance and application technologies are subjected to revolutionary changes due to the occurrence of olefinic carbon compound wear-resistant energy-saving materials, the material does not contain caustic organic sulfur and phosphorus compound, wear-resistant performance is improved, and wear reductionenergy saving performance is also improved.

The invention provides a method for preparing high base number (TBN300) synthetic calcium alkyl-benzene sulfonate. The method comprises the following steps of: adopting a mixed acid of long-chain linear alkyl-benzene sulfonic acid and high-boiling heavy alkyl-benzene sulfonic acid, calcium oxide and/or calcium hydroxide, low-carbon alcohol, alkaline-earth metal halide or nitrate, and a mixture ofpolyisobutylene succinic anhydride and alkaline-earth metal alkylphenol or alkaline-earth metal alkylphenate for a neutralization reaction in the presence of a solvent and cutback oil at a temperature of between 40 and 80 DEG C; then, passing through carbon dioxide to a product of the neutralization reaction at a temperature of between 40 and 60 DEG C for a carbonation reaction; and refining the product to produce high base number synthetic alkyl-benzene sulfonate with a total base number (TBN) of 300mgKOH/g. The product is divided into high-base number (TBN300) synthetic alkyl-benzene sulfonate containing chlorine and high-base number (TBN400) synthetic alkyl-benzene sulfonate without the chlorine. The method has the advantages of simple process, low cost, high yield and excellent economical efficiency; the product has the advantages of low viscosity, small turbidity, easy filtration, excellent high-temperature detergency, excellent anti-foaming property and excellent heat storage stability; and when the product is used to prepare lubricant, the comprehensive performance of the lubricant can be improved, the service life of an engine can be prolonged, and environmental pollution can be reduced.

The invention relates to a thick oil-soluble viscosity reducer which is applied to viscosity reduction of crude oil in an oilfield and is characterized by comprising the following components in parts by mass: 15-25 parts of quaternary copolymer as a main agent, 2-3 parts of Span-80 and 1-2 parts of organic silicon surfactant serving as auxiliary agents, and 35-65 parts of petroleum solvent naphtha and 5-15 parts of benzene solvent serving as solvents, wherein the quaternary copolymer is a copolymer of long-chain alkyl methacrylate, styrene, N,N-bis(methacryloyl) diamine and maleic anhydride. The thick oil-soluble viscosity reducer has the effects of good viscosity reducing effect, no pollution and obvious economic benefit, and greatly saves the dosage of thin oil; and the viscosity reducing rate to thick oil with temperature of 50 DEG C and viscosity of 50000-600000 mPa s is more than 99% when the dosage of the viscosity reducer is 500-3000 ppm.

The invention relates to a sulfur-phosphor-free oil-soluble organic molybdenum additive. A technical scheme adopted in the invention is that a preparation method of the additive comprises the following steps: 1, placing castor oil and diethanolamine in a container, reacting for 4-5h under conditions that the temperature is 90-100DEG C and the pressure is a negative pressure, adding oleic acid, and reacting for 2-4h to obtain mixed castor oil amide and oleic acid amide; and 2, mixing the prepared mixed castor oil amide and oleic acid amide with ammonium molybdate, uniformly stirring, adding hydroxyethyl ethylenediamine, reducing the pressure to 13.33-20KPa at 70-80DEG C, reacting for 4-5h, adding polyethylene glycol to wash, separating out a transition layer, cooling the transition layer, and filtering to obtain the brown-red sulfur-phosphor-free oil-soluble organic molybdenum additive. In the additive, the molybdenum content is 7.5%, and the nitrogen content is 3.5%. The production method of the invention has the advantages of simplicity and low cost; and the product (the additive) has the advantages of stable molybdenum structure, good oil solubility, high yield and environmentalprotection.

A heavy metal ion recycling agent is characterized by comprising a compound represented as a structural formula shown in the specification, wherein R1 is selected from an alkyl group, a derivative of the alkyl group, an amino group, a derivative of the amino group, an aryl group and a derivative of the aryl group, and the number of hydrogen atoms in the components and the number of carbon atoms in the components are smaller than 6; n is an integer larger than or equal to 50; M adopts K, Na, Li or NH4. The heavy metal ion recycling agent in water can form a stable heavy metal ion chelate in a cross-linked network shape with divalent and/or trivalent heavy metal ions, and flocculent precipitate is formed to facilitate separation and recycling, that is, the heavy metal ions in the wastewater can be recycled. Besides, the wastewater containing the heavy metal ions can be discharged up to the standard, and heavy metal can be recycled from the separated heavy metal ion chelate after reduction treatment.

Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a particularly effective mixture of a nitro-substituted diphenylamine and a diarylamine which together provide superior oxidation inhibition.

The invention relates to the field of aseptic techniques of foods and particularly relates to a natural antioxidant used in grease and fat-rich foods and a preparation method of the natural antioxidant. The natural antioxidant comprises the following components in percentage by weight: 77.5%-85% of a natural product, 13.0%-17.5% of a solvent and 2.0%-8.0% of tea polyphenol. According to the preparation method, the tea polyphenol is compounded with one or more of lecithin or VE (vitamin E) or a rosemary extract when the primary biological activity of the tea polyphenol is maintained, and due to the integration of the formula, the oxidation resistance is enhanced; meanwhile, the oil solubility of the tea polyphenol is increased by virtue of the strong emulsifying capacity of the lecithin, so that the natural antioxidant reaches optimal dissolution and dispersing capacities in the grease and fat-rich foods, and the application effect of the tea polyphenol is improved.

The invention discloses a preparation method of a diesel oil pour point depressant. The method includes the following steps of firstly, weighing high alcohols, catalyst, polymerization inhibitor and solvent to be sequentially added into a reactor and stirred till solids are completely dissolved, then adding methacrylic acid, and conducting reduced pressure distillation, alkali washing and water washing on the product after reaction ends to obtain methylacrylic acid high-carbon ester; secondly, weighing methylacrylic acid high-carbon ester, maleic anhydride, initiator and solvent to be evenly mixed, conducting reacting at a certain reaction temperature under the protection of nitrogen, adding aromatic amine and catalyst after reaction, changing the reaction temperature for reaction for a certain period of time, conducting reduced pressure distillation on the reaction liquid after reaction ends, then adding an excessive amount of methyl alcohol to generate white precipitates, removing supernate, and conducting washing and vacuum drying on the obtained white precipitates through methyl alcohol to obtain the diesel oil pour point depressant. The prepared diesel oil pour point depressant can remarkably reduce the condensation point of diesel oil and improve the low-temperature flowability of diesel oil; the raw materials are easy to obtain, the synthesis method is simple, and the additive dosage is small.

The present invention discloses an oil-soluble temporary blocking agent and a preparation method thereof, wherein a thermoplastic polymer or a mixture comprising a thermoplastic polymer and one or a plurality of materials selected from a surfactant, an antioxidant and a coupling agent is adopted as a spinning raw material and is subjected to melt electrospinning to prepare the oil-soluble temporary blocking agent. According to the present invention, the oil-soluble temporary blocking agent can be adopted as the temporary blocking agent so as to be applied in the petroleum extraction field, such that the purposes of low cost and complete petroleum extraction and no pollution are achieved; the average diameter of the obtained temporary blocking agent of the present invention is a few microns to tens of microns, even achieves the nano-scale, the distribution is wide, and the oil-soluble temporary blocking agent is suitable for various types of oil wells with complex structures, particularly the temporary blocking operation on the core with the small crack width; the oil-soluble temporary blocking agent has characteristics of high oil dissolution rate, water insolubility, acid insolubility, low residual pollution on stratum, high solubility in diesel fuel, and easy blocking releasing; and the preparation method has characteristics of easily available raw materials, simple preparation process, low cost, and good applicability.

Phenol aralkyistion polymers can be prepared by reaction among a phenolic monomer, at least one styrenic monomer and an aryl diolefin. A phenolic monomer can be initially aralkylated in the presence of an acid catalyst with a first portion of at least one styrenic monomer to obtain an aralkylated phenol. The aralkylated phenol thereafter can be reacted with an aryl diolefin to obtain a phenol aralkylation polymer. Optionally, (though preferably) the phenol aralkylation polymer is further aralkylated with a second portion of at least one styrenic monomer. By employing specific catalyst concentrations, reactant concentrations, reaction temperatures, and reaction times, the formation of mono-functional and non-functional by-products is substantially reduced.

The invention discloses a method for synthesizing ultrathin molybdenum disulfide nanocrystals and belongs to the technical field of inorganic material preparation processes. According to the method, a molybdenum-containing inorganic salt and a sulfur-containing compound or sulfur powder are used as raw materials and have a reaction at the temperature of 160-300 DEG C for 30-120 min in a long-chain amine solvent and a long-chain fatty acid surfactant, experiment parameters such as the reactant molar ratio, the reactant concentration, the reaction temperature, the reaction time and the like are controlled, molybdenum disulfide nanocrystals which are well crystallized and have a few atomic layers (1-5 layers) are formed and can be well dispersed in a nonpolar solvent or base oil, and stable lubricating oil is formed. According to the method, raw materials are cheap and easy to obtain, the reaction time is short, the yield is high, instruments and equipment are simple, operation is convenient, safe and reliable, process repeatability is good, product quality is stable, and the method is suitable for industrial enlarged production.

The present invention relates to organic high molecular compound and its preparation, chemical preparing and complex. The present invention provides one kind of fatty polyol dimer originated from biomass resource and its preparation process in polyurethane foam for raising the heat resistance, strength and tearing resistance.

The invention discloses a cleaning and dispersing agent for bio-based methanol gasoline and a preparation method of the cleaning and dispersing agent. The cleaning and dispersing agent consists of 30-40% of surfactant ingredient, 32-35% of dispersing peat ingredient and 30-35% of cleaning and washing ingredient; and the cleaning and dispersing agent product is prepared through uniformly mixing the three functional ingredients at normal temperature. According to the cleaning and dispersing agent and the preparation method of the cleaning and dispersing agent, cleanable, environmental-friendly, reproducible and degradable petroleum yeast fatty acid is selected as a cheap additive, so that the energy is saved and the emission is reduced; and compared with the prior art, the cleaning and dispersing agent is low in cost, non-toxic, free of pollution, low in dosage and remarkable in cleaning and dispersing effect and cannot cause secondary pollution to the environment. According to the cleaning and dispersing agent and the preparation method of the cleaning and dispersing agent, organic modification is carried out by using substances such as the yeast fatty acid, morpholine and fatty-amine calcium salts, so that the special cleaning and dispersing agent for the methanol gasoline is synthesized; and the cleaning and dispersing agent disclosed by the invention has the advantages that the formation of carbon deposit can be prevented effectively, formed carbon deposit is removed, a fuel injection nozzle, an air inlet valve and a combustion chamber of a gasoline engine are effectively prevented from emergence and production of carbon deposit, and the removal ratio is up to 32.12-64.14%.