5 results about "Halopropane" patented technology

The invention relates to a fluorine-containing epoxy resin compound as well as a preparation method and application thereof, and belongs to the technical field of organic synthesis. The preparation method of the fluorine-containing epoxy resin compound comprises the following steps: in the presence of alkali, dissolving a fluoroalkyl substituted 4, 4 '-diaminodiphenylmethane compound and epoxy halopropane in a reaction solvent, and reacting to obtain the fluorine-containing epoxy resin compound, or in the presence of alkali, the fluoroalkyl substituted 4, 4 '-diaminodiphenylmethane compound reacts with allyl halide to obtain the allylated fluoroalkyl substituted 4, 4'-diaminodiphenylmethane compound, and the allylated fluoroalkyl substituted 4, 4 '-diaminodiphenylmethane compound and an oxidizing agent are subjected to oxidation reaction under the action of a catalyst to obtain the allylated fluoroalkyl substituted 4, 4'-diaminodiphenylmethane compound. Or in the presence of alkali, dissolving the fluoroalkyl substituted methylene bisphenol compound and epoxy halopropane in a reaction solvent, and reacting to obtain the fluoroalkyl substituted methylene bisphenol compound. The preparation method disclosed by the invention is mild in reaction condition, simple to operate, high in yield, easy to purify, relatively low in cost and easy to obtain a large amount of raw materials.

This invention belongs to the field of environmental protection technology, specifically relating to a cleaning agent for treating oily sludge, its preparation method, and its application. The preparation method includes: a first substitution reaction of bis(3-trimethoxysilylpropyl)amine and a first epoxy halopropane in DMF to obtain an oiliness enhancer; a second substitution reaction of disodium 1,4-piperazine diethanesulfonate and a second epoxy halopropane in DMF to obtain a wateriness enhancer; and a first etherification reaction of sophorolipid with the oiliness enhancer in DMF, followed by a second etherification reaction with the wateriness enhancer to obtain the cleaning agent. The cleaning agent of this invention has the advantages of low dosage, good cleaning effect, and low oil content in the aqueous phase after cleaning.

The application discloses a preparation method of a biphenyldiol type epoxy resin, which comprises the following steps: uniformly mixing and heating and stirring biphenyldiol type raw materials, epoxy halopropane and a solvent, performing reaction after adding alkali, performing reaction again after temperature rising, performing water washing, removing the solvent, obtaining a crude product, performing refining, water washing, removing the solvent and drying on the crude product, and obtaining the biphenyldiol type epoxy resin. The biphenyldiol type epoxy resin prepared by the method has low melting temperature, low dielectric constant of resin curing product, good water resistance, high heat resistance, low total chlorine content of the resin, and good application prospect.

The application provides a device and method for continuously synthesizing 1,3,5-triisopropylbenzene based on a microchannel, which uses alkylimidazole chloroaluminate ionic liquid as a catalyst, uses benzene and 2-halopropane as reaction raw materials, and uses a microchannel reactor to continuously and efficiently synthesize 1,3,5-triisopropylbenzene. The synthesis method fully utilizes the characteristics of the microchannel reactor in strengthening heat and mass transfer between fluids, makes the material flow in the microchannel form turbulent flow, realizes rapid micro-mixing of two materials, prevents local temperature from being too high by precise temperature control, strengthens the micro-reaction process, and can realize accurate control of the reaction temperature, reaction time and reactant ratio, thereby improving the utilization rate of the reaction raw materials and greatly improving the production efficiency. Moreover, the chloroaluminate ionic liquid can be separated and recovered by simple static phase separation after the reaction, and can be recycled. The synthesis method has the characteristics of continuous production, stable product quality, high mass transfer efficiency, mild reaction conditions, short reaction period, simple synthesis process and the like, conforms to the production concept of green, environmental protection, safety and high efficiency, and has a broad industrial development prospect.

This invention belongs to the field of petroleum extraction technology, specifically relating to a modified sophorolipid surfactant and its preparation method. The preparation method includes: in a weakly acidic solvent, under the action of a reducing agent, sodium benzaldehyde-2,4-disulfonate and a secondary amine undergo a Borch reduction amination reaction to obtain a sulfonated tertiary amine salt; next, in a weakly alkaline environment, the sulfonated tertiary amine salt undergoes a quaternization reaction with epoxy halopropane to obtain an etherifying agent; and finally, under alkaline conditions, the etherifying agent undergoes an etherification reaction with sophorolipid ester to obtain the modified sophorolipid surfactant. The modified sophorolipid surfactant of this invention has the advantages of simple synthesis process, high interfacial activity, and good crude oil viscosity reduction effect.