14results about How to "High flash point" patented technology

The present invention belongs to the technical field of alkyd resin coatings, and discloses an alkyd external enamel and a preparation method thereof. The present invention adopts a bio-based high flash point alkyd resin as a base resin, adopts nano titanium dioxide, nano zinc oxide, nano aluminum oxide and micron aluminum oxide with different particle size distributions for compounding, and adds isocyanate silane and glycerol ether silane in the system. After grinding, the pigments and fillers can be modified to improve the filling and modification effect of the pigments and fillers. At the same time, the active groups such as isocyanate groups, epoxy groups, and hydroxyl groups in the coupling agent can interact with the alkyd resin to improve the compatibility of the pigments and fillers with the alkyd resin, and give the coating film excellent adhesion to the inorganic substrate. With a high flash point solvent, a bio-based coating with high flash point, high adhesion, high aging resistance and high wear resistance can be prepared to meet the use requirements of the external enamel. The alkyd external enamel is environmentally friendly and safe, and can be stored and transported according to general chemicals.

The invention discloses an epoxy modified room-temperature self-crosslinking water-based acrylate dispersion as well as a preparation method and application thereof, and belongs to the field of water-based acrylic resin. The dispersoid is obtained by extracting an organic solvent from an acrylate polymer, adjusting the pH value to 7.5-8.5, mixing with ionized water and binary hydrazide, dispersing and filtering. The acrylate polymer is obtained by carrying out solution polymerization on a mixed solution of a part of initiator, a hard monomer, a soft monomer, a first type of hydrophilic monomer, a second type of hydrophilic monomer, epoxy resin and a combined cross-linking monomer and a residual initiator dissolved in an organic solvent at 80-83 DEG C, wherein the mixed solution is prepared from the initiator, the hard monomer, the soft monomer, the first type of hydrophilic monomer, the second type of hydrophilic monomer, epoxy resin and the combined cross-linking monomer. The main solvent of the dispersion is water, the viscosity is low, and the content of the organic solvent is 1t; the water-based ink has the advantages of low content of VOCs (volatile organic compounds), multiple cross-linked network structure, high cross-linking degree (78-83%), excellent resolubility after being prepared into ink, good adhesive force on a plastic film, good water resistance, good storage stability and high glossiness.

The invention discloses a preparation method of environment-friendly plant-based transformer oil, and belongs to the technical field of high-temperature transformer oil. The lubricating oil comprises the following raw materials in percentage by mass: 1-8% of a viscosity index improver, 2-5% of an antioxidant, 0.05-0.2% of a demulsifying agent, 0.1-0.3% of an acid capturing agent and the balance of improved castor oil base oil. Various additives are added, so that the viscosity index and the oil-water separation capacity of the transformer oil can be improved, and hydrolysis can be inhibited; the castor oil is used as base oil, the transformer oil is endowed with degradability, and the castor oil base oil is improved, so that the flash point and breakdown voltage of the transformer oil can be improved; wherein the antioxidant and various groups in molecules can achieve a synergistic effect, so that the oxidation resistance of the transformer oil is remarkably enhanced; therefore, the prepared transformer oil is excellent in comprehensive performance, good in flash point, breakdown voltage and oxidation resistance and degradable, and has important application value in the technical field of high-temperature transformer oil.

This invention belongs to the field of metal rope technology, and provides a high-oil-content coated metal rope, its preparation method, and its application. The coated metal rope includes a metal rope and a plastic outer layer coated on the outer surface of the metal rope. The metal rope includes a core wire containing a first lubricating oil and side wires containing a second lubricating oil, with the side wires wound around the outer surface of the core wire. The flash point of the first lubricating oil is 20°C to 30°C higher than the melting temperature of the plastic outer layer; the flash point of the second lubricating oil is more than 50°C higher than the melting temperature of the plastic outer layer. The method of this invention can significantly reduce oil evaporation during the coating process of the plastic outer layer, avoiding bulging, air bubbles, and coating failure. The prepared high-oil-content coated metal rope has good self-lubricating properties, which can significantly reduce internal friction and breakage of the metal rope. It can be applied to the drive mechanism of vehicle sliding doors.

The invention relates to the technical field of electrochemical energy storage, in particular to a mineral type energy storage cooling liquid composition and a preparation method thereof.The mineral type energy storage cooling liquid composition is prepared from base oil and additives, the base oil is prepared from, by mass, 80%-100% of paraffin-based mineral oil and 0-20% of naphthenic mineral oil, and the additives comprise an antioxidant, a light stabilizer and an anti-foaming agent; the addition amount of the additive is 0-1% of the total mass of the base oil. The invention relates to a mineral type energy storage cooling liquid composition. According to the mineral type cooling liquid composition and the preparation method thereof provided by the invention, the mineral type cooling liquid composition is prepared by adding trace amounts of the antioxidant, the light stabilizer and the defoaming agent into the mineral type base oil, the mineral type cooling liquid composition has relatively high flash point and breakdown voltage and relatively good low-temperature fluidity, and the cooling performance is effectively improved; and the cable also has good insulativity, fireproof safety and stability.

The present application relates to the technical field of oilfield exploitation, and discloses a styrene-methyl acrylate alkyl ester-maleic acid alkyl ester terpolymer, a preparation method and application thereof, and a wax removal and inhibition agent and application thereof.The terpolymer comprises structural unit A, structural unit B and structural unit C, can adsorb paraffin wax crystals or form a co-crystal with paraffin wax molecules to inhibit the aggregation and crystal growth of paraffin wax molecules, and can effectively inhibit the deposition of paraffin wax molecules.The wax removal and inhibition agent prepared by using the terpolymer has good wax removal and inhibition performance, can dissolve the crystallized paraffin wax, inhibit the aggregation and growth of paraffin wax crystals, and has the characteristics of high flash point and low freezing point, so that the wax removal and inhibition agent can be applied to severe cold and low temperature conditions and has a wide application range.

The invention belongs to the technical field of chemical synthesis, and particularly relates to a catalytic synthesis method of functional special polyether with narrow molecular weight distribution. The method comprises the following steps: by taking C1-C12 alcohol as an initiator, carrying out polymerization reaction with epoxide under the action of an organic catalyst, so as to prepare the functional special polyether with narrow molecular weight distribution. According to the invention, by designing an organic catalyst with a molecular structure containing phosphorus-boron (P-B) double active centers, not only is efficient catalytic ring-opening polymerization of alkylene oxide realized under a low-temperature condition, but also a special polyether product with high molecular weight and narrow molecular weight distribution is prepared. Meanwhile, by using the organic catalyst, the problems that a commercial DMC system is prone to inactivation, complex in mechanism and metal residues exist in ethylene oxide polymerization can be solved, and the application range of PAG in the fields of cosmetics, medicine and food-grade oil is widened.

The invention relates to an electrolyte of a whole-chlorine solvent and an electrochemical device, the electrolyte of the whole-chlorine solvent comprises electrolyte salt and the whole-chlorine solvent, and the whole-chlorine solvent is composed of chlorinated ether and chlorinated carbonic ester. The electrolyte of the whole-chlorine solvent provided by the invention adopts the chlorinated ether and the chlorinated carbonate as the solvent of the electrolyte, does not contain flash point components, and has low volatility, low inflammability, flame retardance and compatibility with positive and negative electrodes, so that the battery shows good electrochemical performance and relatively high safety.

The application discloses a kind of high flash point low-loss engine oil preparation process, and the product belongs to the field of lubricant production.The engine oil is formed by high flash point base oil, additive compound after removal of low flash point volatile component by heating vacuum, removal of light component again and filling, and the base oil flash point is greater than or equal to 220 DEG C, NOACK evaporation loss is less than or equal to 8%.The preparation process includes: screening high flash point low-volatile base oil, heating to 50-150 DEG C and removing light component under negative pressure vacuum.The light component is removed from the additive under negative pressure vacuum.The treated base oil is mixed with the additive in proportion, and then vacuum light removal and degassing are carried out at 50-150 DEG C, and the finished product is filled into the pipeline of the displacement filling machine after full replacement.The application significantly improves the flash point of engine oil and reduces volatile loss by the whole-process light removal process, which can greatly reduce the load of engine oil gas separator, improve separation efficiency, solve the problems of high engine oil consumption, poor high-temperature resistance, easy oxidation and deterioration, and high oil sludge and carbon deposition.

The invention discloses high-flash-point mineral insulating oil and a preparation method thereof, and belongs to the technical field of electric insulating oil. The high-flash-point mineral insulating oil comprises the following components in percentage by weight: 94-95% of mineral transformer oil, 2% of cresyl diphenyl phosphate, 1-2% of triphenyl phosphate, 1-2% of triphenyl phosphate and 1-2% of tributyl phosphate. The high-flash-point mineral insulating oil provided by the invention has the beneficial effects that the selected flame retardant is a harmless liquid substance, halogen compounds harmful to the environment are completely avoided, and the final high-flash-point mineral insulating oil can be quickly formed by directly mixing the flame retardant and the mineral oil without the help of any solubilizer and by utilizing a mechanical stirring mode.

The present application belongs to the technical field of temperature control, and particularly relates to a temperature control liquid for coal-based Fischer-Tropsch synthesis hydrocarbon as well as a preparation method and application thereof. The temperature control liquid mainly comprises coal-based Fischer-Tropsch synthesis hydrocarbon, or the temperature control liquid mainly comprises coal-based Fischer-Tropsch synthesis hydrocarbon and liquid polyolefin. The distillation range of the coal-based Fischer-Tropsch synthesis hydrocarbon is less than or equal to 350 DEG C. The main component of the coal-based Fischer-Tropsch synthesis hydrocarbon is isomeric alkanes and normal alkanes with carbon number of 12-24, wherein the isomeric alkanes account for less than 90% of the total mass, and the normal alkanes account for more than 10% of the total mass. The kinematic viscosity of the coal-based Fischer-Tropsch synthesis hydrocarbon is less than or equal to 2.5 mm 2 / s at 100 DEG C, and 2.0-6.0 mm 2 / s at 40 DEG C. The kinematic viscosity of the liquid polyolefin is less than or equal to 8.0 mm 2 / s at 100 DEG C, and 2.0-20.0 mm 2 / s at 40 DEG C. The temperature control liquid has the characteristics of low density, low electrical conductivity, low kinematic viscosity and high heat conduction efficiency.

This invention discloses a high-antioxidant, anti-coking high-temperature chain lubricant and its preparation method, belonging to the field of chain lubricant preparation technology. It comprises the following components by mass percentage: 70%-85% base oil, 5%-10% antioxidant, 3%-8% anti-coking agent, 1%-3% extreme pressure anti-wear agent, 0.1%-0.5% pour point depressant, 0.01%-0.05% antifoaming agent, and the remainder being unavoidable impurities. The base oil is a mixture of synthetic hydrocarbon oil and polyether oil. This invention prepares the antioxidant complex by rationally selecting a complex of hindered phenolic and amine antioxidants and precisely controlling their ratio under specific temperature and stirring conditions. In accelerated oxidation tests, the increase in acid value after prolonged high-temperature oxidation is minimal, effectively delaying the oxidative deterioration process of the lubricant, significantly extending its service life under high-temperature environments, reducing equipment downtime due to lubricant oxidation failure, and improving production efficiency.

The invention belongs to the technical field of high-temperature motor lubricating oil, and discloses a high-temperature motor oil composition and a preparation method thereof. Comprising base oil and additives. The base oil is prepared by mixing synthetic ester, ethyl silicone oil and fluorine-chlorine-carbon oil according to a specific mass ratio of (1-2): (1.5-2.5): (1-2). The high-temperature motor oil composition prepared by the method has the characteristics of high flash point, high insulating property, excellent oxidation resistance, good low-temperature starting performance, relatively low cost and the like, and can meet the oil requirement of a high-temperature motor of a high-temperature electric submersible pump.

The present invention relates to a polar hydraulic fluid composition comprising a mixture of a polyalkylene glycol (PAG) obtained using a polymerization initiator having a carbon chain length of C4 to C18, a nonionic phosphate ester and an amine antioxidant, having enhanced fire resistance, and is a homopolymer and / or copolymer of ethylene oxide and / or butylene oxide and / or propylene oxide.