1297 results about "Tertiary amine" patented technology

The invention relates to the technical field of petrochemical engineering, and discloses a temperature-resistant anti-swelling agent for fracturing and a preparation process thereof.The preparation method comprises the steps that glycerol triglycidyl ether and diethanol amine are subjected to a ring-opening reaction, a polyhydroxy tertiary amine monomer is obtained, then the polyhydroxy tertiary amine monomer and chloromethylated polystyrene are subjected to a quaternization reaction, and the temperature-resistant anti-swelling agent for fracturing is obtained. Quaternary ammonium salt groups of the anti-swelling agent and negative charges on the surface of clay form electrostatic interaction, and hydroxyl groups and the surface of the clay form hydrogen-bond interaction, so that the anti-swelling agent can be firmly adsorbed on the surface of the clay to form a layer of polymer film, the clay is prevented from being in contact with water, the phenomenon that the clay swells when encountering water is effectively inhibited, and the anti-swelling rate is very high. And the anti-swelling agent contains a heat-resistant polystyrene molecular chain, has excellent high temperature resistance, can maintain good structural stability at high temperature, still maintains high anti-swelling rate, and is suitable for a fracturing fluid system for high-temperature oil reservoir exploitation.

The invention belongs to the technical field of pharmaceutical chemical processes, and particularly relates to a preparation method of a penem antibiotic intermediate 4-BMA, which comprises the following steps: adding Zn powder, chlorosilane, aliphatic tertiary amine, zinc salt and 4-AA in a formula (I) into THF (tetrahydrofuran), uniformly stirring, dropwise adding a THF solution of alpha-haloamide with an induction group in a formula (II) for reaction, filtering the reaction solution, removing the zinc powder, and drying to obtain the penem antibiotic intermediate 4-BMA. Extracting the filtrate to obtain a THF phase, washing with an aqueous solution of potassium oxalate, and recovering THF to obtain a formula (III); and carrying out oxidative hydrolysis, sulfur dioxide quenching, sulfur dioxide acid regulation crystallization and recrystallization on the formula (III) to obtain the intermediate 4-BMA. According to the preparation method disclosed by the invention, a zinc salt is used as a catalyst during preparation of the formula (III), potassium oxalate is used for removing residual Zn (II) in a THF phase, SO2 is used for quenching hydrogen peroxide and acid regulation and crystallization of 4-BMA, the oxygenolysis problem of 4-BMA is solved, and the preparation method has the characteristics of greenness, safety and high efficiency, is strong in product competitive advantage and is suitable for industrial production.

The invention relates to the technical field of CO2 capture and separation, and particularly discloses an anhydrous absorbent with a self-extraction function as well as application and a recovery method. The anhydrous absorbent is synergistically composed of a mixed amine absorption enhancer with specific composition and a hydrophobic organic solvent, wherein the mixed amine absorption enhancer comprises primary amine, secondary amine and tertiary amine. The mixed amine absorption accelerant combines the advantages of high reaction activity of primary amine, low regeneration heat of secondary amine and high absorption capacity and strong hydrophobicity of tertiary amine, so that the anhydrous absorbent shows excellent self-extraction capacity in the adsorption and desorption processes of acid gas, particularly, the anhydrous absorbent after absorbing the acid gas forms a less-water CO2 rich phase, and the CO2 rich phase has excellent self-extraction capacity. And due to the characteristic of less water, sensible heat and latent heat of vaporization required by a rich phase in a CO2 desorption stage are remarkably reduced, so that the problem that the energy consumption is too high in the regeneration process of the existing water-based absorbent is effectively solved.

A photobase generator includes a compound including: first skeletons represented by the following formula (a); and a second skeleton including nitrogen atoms bonding to bonding positions of the first skeletons to form amide groups, wherein, in a molecule, a number of the first skeletons is two or more, a number of the nitrogen atoms, configuring the amide groups, in the second skeleton is the same as the number of the first skeletons, and at least one of the nitrogen atoms configuring the amide groups is converted into a nitrogen atom configuring a secondary amine or a tertiary amine by light irradiation. In the formula (a), G is a divalent aromatic group, and * represents the bonding position with the nitrogen atom.

The preparation method comprises the following steps: mixing 20-40 parts by mass of substituted hydroxymethyl glycoluril, 45-85 parts by mass of mercaptocarboxylic acid and 0.5-3 parts by mass of an acidic catalyst, stirring and reacting for 1-10 hours at the temperature of 50-150 DEG C under the pressure condition of-0.01 to-0.1 MPa, adding 300-800 parts by mass of an organic solvent for diluting after the reaction is finished, washing and purifying with deionized water, and collecting an organic layer, thereby obtaining the mercaptan curing agent. Concentrating and drying to obtain the mercaptan curing agent. According to the thiol curing agent, the rigid glycoluril group is introduced, so that the rigidity of a cured product structure is improved, and the mechanical property, the adhesive property, the heat resistance and the damp-heat aging resistance of a cured product are improved; four tertiary amine groups in the substituted glycoluril have a certain self-promotion effect on a thiol curing epoxy reaction, and the curing reaction temperature is reduced under the condition that an accelerant is not added; the glycoluril-containing thiol epoxy resin curing agent disclosed by the invention has good application value and development prospect.

The invention relates to an impact-resistant chlorinated polyvinyl chloride composite material and a preparation method thereof, and belongs to the technical field of polymer composite materials. The composite material comprises the following components: 100 parts of CPVC resin, 6.5 to 9.5 parts of a modified impact modifier, 2.6 to 3.2 parts of a heat stabilizer, 1.5 to 2 parts of a lubricant, 1.2 to 1.6 parts of a processing aid, 0.2 to 0.25 part of a light stabilizer and 8 to 11 parts of a filler, the modified impact modifier takes a POSS cage structure as a core, a branch chain sequentially contains thioamide-secondary amine-tertiary amine structures, a polarity gradient is formed and fully extends into a macromolecular chain of CPVC to transmit and dissipate impact energy, meanwhile, the amine structure interacts with chlorine groups in a molecular chain of CPVC to form molecular anchoring, expansion of crazes is inhibited, and the impact strength of the CPVC is improved. The continuity and the stability of a bonding interface are maintained, so that the composite material keeps relatively high mechanical strength and thermal stability.

The invention belongs to the technical field of coatings, and relates to a polysiloxane epoxy hybrid environment-friendly coating and a preparation method thereof. The coating belongs to an environment-friendly solvent type coating with low VOC content, modified epoxy resin is adopted as a base, auxiliaries such as a film-forming agent and a dispersing agent are added, and benzophenone and tertiary amine composite photoinitiator is supplemented, so that the prepared coating has good corrosion resistance, high temperature resistance and the like, and the coating can quickly form a film at normal temperature and under the UV illumination condition, shortens the curing period, and is suitable for large-scale popularization and application. The emission of VOC (volatile organic compounds) is reduced.

The invention discloses a two-phase absorbent and application thereof. The two-phase absorbent comprises the following components in percentage by mass: 10-35% of a main absorbent, 20-50% of a phase-splitting agent, 0-15% of an accelerant and 0-70% of water, wherein the total mass of the two-phase absorbent is 100%; wherein the main absorbent is polyamine, the polyamine contains more than three amino groups, more than three carbon atoms are arranged between the adjacent amino groups, and at least one of the more than three amino groups is a tertiary amino group; the phase splitting agent is an alcohol ether compound. The two-phase absorbent provided by the invention has better absorption performance, can reduce the generation of oxidative degradation, and has higher oxidation stability.

The invention discloses a kind of preparation method of amino hyperbranched siloxane and its modified polyimide aerogel material.First, alkoxysilane X with amino active functional group, alkoxysilane Y of inactive functional group and water are carried out autocatalytic controlled hydrolysis condensation under sub-stoichiometric ratio, obtain multifunctional group (such as other active groups, alkoxyl group, amino) amino hyperbranched siloxane liquid (HPSi NH2) with controllable amino content, then using HPSi NH2 as cross-linking agent and anhydride-terminated polyamic acid solution reaction to obtain functionalized polyamic acid, which is stirred with tertiary amine and deionized water to obtain functionalized polyamic acid wet gel, which is passed through freeze drying, high temperature imidization treatment to obtain amino hyperbranched siloxane modified polyimide aerogel material. This material has excellent flexibility, resilience, heat resistance and flame retardancy, and can be applied to aerospace, communication, catalysis and filtration fields.

The invention discloses a self-crosslinking hydrogel with a tertiary amine group and preparation and application thereof, and belongs to the field of biomedical polymer materials, the self-crosslinking hydrogel comprises aminophenylboronic acid modified oxidized glucan, tertiary amine compound modified oxidized glucan and a solvent medium; the preparation method comprises the following steps: dissolving amino phenylboronic acid modified oxidized dextran and tertiary amine compound modified oxidized dextran in a solvent medium, mixing, standing for a certain time, and carrying out self-crosslinking to obtain the self-crosslinking hydrogel with tertiary amine groups. A cross-linking point (phenylboronic acid) of the gel network is a response unit of glucose. In addition, the hydrogel can effectively avoid uncontrollable drug release caused by non-responsive factors, and the response release efficiency of the drug is improved; by loading the hypoglycemic drug insulin to be applied to the treatment research process of diabetes, the occurrence of hypoglycemia can be avoided, and meanwhile, the possibility is provided for realizing intelligent controlled release of insulin through blood glucose response.

The invention discloses a method for separating iron and lithium in a lithium iron phosphate iron salt leaching solution and recycling iron phosphate, and belongs to the technical field of waste lithium battery recycling. The method comprises the following steps: constructing a bis (2-ethylhexyl) phosphate and trioctyl decyl tertiary amine mixed extraction system for selective extraction of Fe < 3 + >, adopting phosphoric acid for reverse extraction, recycling phosphoric acid reverse extraction liquid, preparing iron phosphate and the like. According to the method, efficient enrichment of Fe < 3 + > and efficient elution of Fe < 3 + > from a loaded organic phase are realized. The purity of the raffinate Li solution is relatively high, so that the subsequent preparation of battery-grade lithium carbonate is facilitated. The strip liquor can be recycled for multiple times, an iron intermediate is precipitated through pH adjustment, and the FePO4 product can be finally prepared through washing, aging and high-temperature calcination. The method is high in extraction selectivity, recyclable in process and mild in operation condition, has good separation effect and resource utilization efficiency, and is suitable for popularization and application of a Fe / Li separation process in lithium battery recovery.

The invention discloses an impact-resistant industrial coating and a manufacturing method thereof, and relates to the technical field of industrial coatings. The impact-resistant industrial coating comprises the following raw materials in parts by weight: 80-100 parts of epoxy resin, 2-5 parts of graphene oxide, 3-5 parts of an antistatic agent, 5-8 parts of a modified thickener, 1-3 parts of a dispersant, 0.5-1.5 parts of a leveling agent, 2-3 parts of an antioxidant, 8-12 parts of a curing agent and 100-140 parts of deionized water. The preparation method comprises the following steps: reacting polyethylene glycol diethylene oxide methyl ether with 2-(methacrylic acid) ethyl ester 3, 5-diaminobenzoic acid to generate a polymer; reacting the polymer with 3-(dimethylamino)-1-propanethiol to generate a tertiary amine-terminated polymer; and carrying out quaternization reaction on the tertiary amine-terminated polymer and bromododecane to obtain the antistatic agent. The impact-resistant industrial coating prepared by the invention has excellent antistatic property and rheological property.

The invention relates to the technical field of organic synthesis, in particular to a method for homogeneous catalytic synthesis of dimethyl carbonate by using a liquid separation method to separate a catalyst, which comprises the following steps: by using 0.3-15% long-chain tertiary amine as a homogeneous catalyst, carrying out homogeneous reaction on cyclic carbonate and methanol in a mass ratio of 1: (1.2-5.5) at 60-80 DEG C for 4-7 hours. And after the homogeneous transesterification reaction is completed, carrying out atmospheric distillation on the reaction mixture, and collecting fractions to obtain the target product dimethyl carbonate. Carrying out liquid separation on the heterogeneous atmospheric distillation residual liquid, and collecting a lower-layer material to obtain a by-product; and the collected material is a catalyst which can be directly recycled subsequently. The dimethyl carbonate synthesis method provided by the invention has the characteristics of high catalytic efficiency, easy catalyst separation, environmental protection, energy saving and the like.

The invention discloses a surface coating modified calcium phosphate microsphere and a preparation method thereof, and belongs to the technical field of calcium phosphate microsphere preparation. The surface coating modified calcium phosphate microspheres are prepared from the following components in parts by weight: 60 to 68 parts of calcium phosphate ceramic powder, 20 to 32 parts of modified bioactive bodies, 8 to 12 parts of composite pore forming agents and 2 to 5 parts of binding agents, the modified bioactive body is prepared from vinyltriethoxysilane, butyl dibutyl phosphate, citric acid, calcium acetate, magnesium sulfate and polyether-ether-ketone fibers, and the composite pore-forming agent is prepared from octyl dimethyl tertiary amine, epoxy chloropropane, hydrolyzed soybean protein and starch. The calcium phosphate microspheres prepared by the method have excellent porosity and biological activity.

The invention belongs to the technical field of novel fertilizers, and particularly relates to a growth promoting type macroelement water-soluble fertilizer and a preparation method and application thereof.The fertilizer is prepared from, by weight, 4-6 parts of tertiary amine synergist, 220-230 parts of monopotassium phosphate, 350-360 parts of urea, 3-5 parts of compound amino acid, 3-5 parts of sorbitol and 15-20 parts of ethylene glycol, the invention relates to N, N '-tetra (2-fluorobenzyl diamido) diphenyl ether. The invention aims at innovating a macroelement water-soluble fertilizer product to prepare the novel tertiary amine synergist, so that the additional value and the use effect of the macroelement water-soluble fertilizer can be effectively improved, and a new direction and a new idea are provided for development and use of a new functional macroelement water-soluble fertilizer technology.

The invention belongs to the technical field of electrolyte materials, and particularly relates to a pH response biopolymer solid electrolyte as well as a preparation method and application thereof. The pH-responsive degradable biopolymer is taken as a main raw material, and one or more functional groups such as pyridine, sulfonic acid, carboxyl, tertiary amine, phosphoric acid and the like are contained. The organic acid and the organic acid salt are selected to adjust the pH value of a medium around the electrolyte, and the contraction / stretching behavior of a molecular chain is influenced by changing the ionization degree of the electrolyte, so that an interpenetrating polymer network structure is formed. The polar functional group of the biopolymer affects the migration behavior of lithium ions under different pH conditions, so that the migration rate and migration quantity of the lithium ions are increased, and the cycle performance of the battery is improved. The electrolyte is suitable for high-performance energy storage devices such as a lithium ion battery, can effectively improve the battery performance, reduces the environmental pollution, and has relatively strong green and environment-friendly advantages.

The invention discloses an electro-synthesis method of alpha-aminomethyl tetrazole, which comprises the following steps: by taking a platinum sheet as a cathode, a carbon rod as an anode and tetrabutylammonium tetrafluoroborate as an electrolyte under the catalysis of constant current, coupling tertiary amine, isonitrile and azido trimethylsilane by a one-pot method to prepare an alpha-aminomethyl tetrazole derivative, and carrying out post-treatment on the obtained reaction mixed solution, and carrying out column chromatography separation to obtain a pure alpha-aminomethyl tetrazole product. The alpha-aminomethyl tetrazole can be obtained only through one-step reaction, the operation steps are few, a large number of oxidizing agents and additives are not used, the post-treatment process is simple, and the product is easy to separate.

The invention provides a piperazinyl steric hindrance type liquid-solid phase change carbon trapping agent and a preparation method thereof, and relates to the field of liquid-solid phase change trapping of CO2. Alkylamine and the like are used as raw materials, piperazinyl steric hindrance type organic amine with secondary amino and tertiary amino structures is designed, and the piperazinyl steric hindrance type organic amine is prepared through ring-opening addition, nucleophilic substitution, cyclization, hydrogenation and other reactions. The piperazinyl steric hindrance type organic amine is compounded with a solvent and a functional additive to prepare the piperazinyl steric hindrance type liquid-solid phase change carbon trapping agent. According to the steric hindrance type phase change carbon trapping agent, on the basis of the electron donating effect of alkyl, the absorption rate of trapping CO2 is increased by 2.2 times compared with that of traditional steric hindrance amine (AMP); on the basis of the steric hindrance effect of the tertiary amine site, the hydrogen-bond interaction between carbamate and the solvent is weakened, liquid-solid phase splitting after the aqueous solution carbon capture system absorbs CO2 is promoted, the problem of poor cycling stability of a non-aqueous solvent system is solved, and the capture efficiency and enrichment degree of CO2 are improved.

The invention discloses an organic tertiary amine / polyether double-modified organic silicon surfactant which is characterized in that the structural formula of the organic tertiary amine / polyether double-modified organic silicon surfactant is # imgabs0 #, the value of m is 0-80, the total value of a and b is 2-40, a is greater than or equal to 1, and b is greater than or equal to 1; x is 6-30, and y is 0-30; r1 is alkyl with the carbon atom number of 1-10 or alkyl alcohol with the carbon atom number of 1-10, and R2 is hydroxyl, methyl, acetyl, amino, butyl, carboxyl or carboxylate radical ions. The modified organic silicon surfactant provided by the invention has the characteristic of variable surface tension under different conditions; the silicone oil has high surface tension at the initial stage of the composite material, so that the fluidity can be improved; along with the increase of the reaction temperature, the tertiary amine group is gradually unblocked, the surface tension of the silicone oil is gradually reduced, and the later emulsifying property of the composite material is improved.

The invention relates to a continuous production process and device of vinylene carbonate, chloroethylene carbonate, tertiary amine and a solvent are continuously fed in a reactor for dechlorination reaction, and temperature is controlled by a tubular heat exchanger; the reaction liquid continuously overflows from a side overflow port to enter a middle receiving tank, a vinylene carbonate crude product is obtained after desolvation, the vinylene carbonate crude product enters a melt crystallizer for melt crystallization after being purified by a low-component removal tower, a high-component removal tower and a rectifying tower, and a vinylene carbonate product with the purity of 99.99% or above is obtained; a reaction by-product tertiary amine hydrochloride settles to the lower part of the reactor, is discharged from the bottom of the reactor after being subjected to countercurrent washing by inputting a solvent through a salt leaching cavity, enters a neutralization kettle, is neutralized by liquid caustic soda and then is subjected to liquid separation, an organic phase enters a recovery system to be dehydrated, and then sequentially passes through a solvent recovery tower to recover the solvent and a tertiary amine recovery tower to recover tertiary amine; and the solvent and the tertiary amine can be recycled. The continuous production of the vinylene carbonate is realized, the consumption of raw materials is reduced, and the yield and the production efficiency are improved.

The invention relates to the technical field of dry films, in particular to a photosensitive resin composition, a photosensitive dry film and a preparation method of the photosensitive dry film. Comprising alkali-soluble resin, a photopolymerizable monomer with at least one vinyl unsaturated group, a photosensitizer and other additives, and the alkali-soluble resin at least comprises a nitrogen-containing heterochain or nitrogen heterocyclic ring monomer chain segment group; the alkali-soluble adhesive resin containing aza-chain or azacyclo-containing monomer chain segment groups is prepared by introducing an aza-chain or azacyclo-containing monomer, such as a monomer containing primary amine, secondary amine, tertiary amine, quaternary ammonium salt, pyridines, imidazoles and other groups, into alkali-soluble resin, and is used for improving the adhesive force and binding force between the resin and the surfaces of metals such as copper and the like; therefore, the resolution and adhesion capability of the photosensitive resin composition or the photosensitive dry film is improved.

The invention discloses a preparation method and application of an oil-soluble heteropolyacid ionic liquid catalyst. The catalyst is composed of organic cations and inorganic anions, the cations are one of quaternary ammonium, imidazole and pyridine cations containing long-chain alkyl, the anions are heteropolyacid anions, the long-chain alkyl enables the catalyst to have good oil solubility, the catalyst can be efficiently dispersed in the waste grease, heteropolyacid provides active sites, and the catalyst can be used for treating the waste grease. Nano-scale active particles are formed after in-situ vulcanization, and the catalytic hydrogenation effect is achieved. The invention also provides a preparation method of the oil-soluble heteropolyacid ionic liquid catalyst, the catalyst can be prepared from tertiary amine and halogenated hydrocarbon through three-step reaction of alkylation, anion exchange and acid-base neutralization, the preparation process is simple, a highly toxic reagent is avoided, and the cost is low. The catalyst provided by the invention can be used for catalytic hydroisomerization of various waste oils and fats, has the characteristics of high conversion rate, low coking rate and high product calorific value, and has relatively high industrial application potential.

The invention belongs to the technical field of copolymerization modification of degradable polyester, and discloses a preparation method of tertiary amine modified rapidly degradable polyester, which comprises the following steps: in the presence of a catalyst and an auxiliary agent, carrying out esterification, pre-polycondensation and polycondensation on tertiary amine, dibasic acid and dihydric alcohol to prepare the tertiary amine modified rapidly degradable polyester, the structural formula of the tertiary amine is RN (CH2CH2OH) 2, R is a side group, and the side group at least contains one hydroxyl group. The preparation method is simple and easy to implement, the prepared tertiary amine modified rapidly degradable polyester can be hydrolyzed, the mass loss within 49 days can reach 3-20%, especially hydrolysis can be further accelerated after oxidation treatment, and meanwhile the breaking strength of copolyester is enhanced.

The invention relates to the technical field of hydrogel materials, and discloses an oxygen-permeable silicon hydrogel material for contact lenses and a preparation method thereof.The preparation method comprises the steps that ethylene glycol diglycidyl ether and bis (2-chloroethyl) amine hydrochloride are subjected to a ring-opening reaction, and an intermediate product 1, 2-propylene glycol is obtained; carrying out substitution and hydrolysis reaction on the polyalkenyl quaternary ammonium salt and diethyl iminodiacetate to obtain an intermediate product 2, and carrying out quaternization reaction on the intermediate product 2 and chloropropene by utilizing a tertiary amine structure contained in the intermediate product 2 to obtain the polyalkenyl quaternary ammonium salt. And finally, carrying out polymerization reaction on the silicon hydrogel, hydroxyethyl methylacrylate, gamma-(methacryloyloxy) propyltrimethoxysilane and vinyl-terminated dimethyl polysiloxane, putting the obtained product into a contact lens half mold for reaction, and demolding to obtain the oxygen-permeable silicon hydrogel material. The hydrogel material prepared in the invention has good hydrophilic effect and oxygen permeation effect, and can be widely applied to contact lenses.

The present invention relates to the technical field of concrete materials, and specifically discloses an impermeable concrete containing a polycarboxylate early-strength water reducer and a preparation method thereof. The impermeable concrete containing a polycarboxylate early-strength water reducer comprises the following components in parts by mass: 100 parts of water; 310-320 parts of cement; 33-37 parts of fly ash; 300-310 parts of fine aggregate; 670-680 parts of coarse aggregate; 210-220 parts of modified desert sand; 5.7-6.1 parts of polycarboxylate early-strength water reducer; the modified desert sand is obtained by modifying desert sand with a modifier; the modifying solution is a compound of water, stearylamidopropyldimethyl tertiary amine, dodecyltrimethylammonium bromide, and benzalkonium bromide. The present invention has the advantage of improving the impermeability of concrete.

The invention discloses a precipitation separation and purification method for metals in gallium-containing wastes. The method comprises the following steps: firstly, dissolving the waste containing gallium, indium and tin with acid, then adding alkali liquor, and adjusting the pH value of the solution twice to respectively obtain a precipitate containing tin, a precipitate containing gallium and indium and a solution containing zinc; after the sediment stands for a period of time, slurry is added for filtering, obtained filter residues return to a slurry barrel, obtained tin-containing filtrate is used for preparing a high-purity tin product, obtained gallium and indium-containing filtrate is extracted with an extracting agent mainly comprising tributyl phosphate or trioctyl / decyl alkyl tertiary amine and the like, high-purity gallium is obtained in an organic phase, and high-purity indium is obtained in raffinate. According to the method, separation and purification of gallium, indium, tin and zinc are achieved through two-time precipitation and two-time filtration. Precipitation operation is simple, a precipitant is cheap and easy to obtain, and the separation method is low in cost.

A UV curable inkjet ink including a free radical polymerizable compound and an acyl phosphine oxide initiator wherein the acyl phosphine oxide initiator includes an acyl group selected from the group consisting of a benzoyl group substituted by an urea group or an oxalylamide group; a 2,6-dimethyl benzoyl group substituted in position 3 by an urea group or an oxalylamide group; a 2,6-dimethoxy benzoyl group substituted in position 3 by an urea group or an oxalylamide group; a 2,4,6-trimethyl benzoyl group substituted in position 3 by an urea group or an oxalylamide group; and a 2,4,6-trimethoxybenzoyl group substituted in position 3 by an urea group or an oxalylamide group wherein the urea group and the oxalylamide group include a tertiary amine group positioning a phosphorus atom of the acylphosphine oxide initiator in a 1 to Z position, where position 1 is defined as that of the phosphorus atom and position Z is defined as the nitrogen atom of the tertiary amine group with Z representing an integer of at least 11; and that the acyl phosphine oxide initiator contains no more than two photoinitiating moieties having a phosphine oxide group.

The invention relates to a multi-element compound corrosion inhibitor for offshore CO2 oil displacement as well as a preparation method and application of the multi-element compound corrosion inhibitor. The invention relates to a multi-element compound corrosion inhibitor for offshore CO2 oil displacement, which is characterized by comprising 8 to 10 weight percent of oleic acid imidazoline quaternary ammonium salt, 8 to 10 weight percent of oleic acid imidazoline lauric acid amide, 4 to 6 weight percent of potassium iodide, 4 to 6 weight percent of octylphenol polyoxyethylene ether, 4 to 6 weight percent of dodecyl dimethyl tertiary amine, 4 to 6 weight percent of assistant A, 4 to 6 weight percent of assistant B and the balance of absolute ethyl alcohol. According to the multi-element compound corrosion inhibitor for offshore CO2 oil displacement as well as the preparation method and the application of the multi-element compound corrosion inhibitor, the multi-element compound corrosion inhibitor contains a plurality of components and can effectively inhibit CO2 corrosion at a high temperature.

The invention relates to a condensate-oil-resistant and temperature-resistant foam scrubbing agent for deep coal bed gas exploitation and a preparation method of the condensate-oil-resistant and temperature-resistant foam scrubbing agent. The method comprises the following steps: (1) mixing 45-55 parts of sodium 3-chloro-2-hydroxypropanesulfonate and 14-28 parts of lauryl sodium sulfate, dissolving in an aqueous solution containing a special additive, adding 70-110 parts of aliphatic tertiary amine, heating to dissolve the aliphatic tertiary amine, adding the mixed solution into a three-neck flask, adjusting the pH value, heating, adjusting the pH value once every 25-35 minutes, reacting at 70-90 DEG C for 6-8 hours, and cooling to obtain a reaction solution; obtaining a yellow viscous product, namely the long-chain fat hydroxypropyl sulfonated betaine; and (2) adding 5-10 parts of a mixture of polyacrylamide and cellulose and 1-8 parts of nanoparticles into 80-150 parts of a product obtained in the step (1) to obtain the condensate oil-resistant temperature-resistant foam scrubbing agent. The lowest surface tension of the foam scrubbing agent can reach 28.12 mN / m, the foam scrubbing agent is high in foaming capacity, the foam height in clear water can reach 980 mL, the half-life period in high condensate oil content can reach 350 s, the condensate oil content reaches 35%, the foam height can still reach 750 mL, and the liquid carrying rate can reach 83.2%.

The invention relates to an alkyl tertiary amine quaternization reaction preparation process based on a micro-channel reactor, which comprises the following steps: mixing aliphatic tertiary amine and an alkylating agent, adding into a solvent, diluting into a mixed diluent, conveying to the micro-channel reactor, controlling the reaction temperature at 70-120 DEG C, and carrying out quaternization reaction to generate a reaction mixture containing target alkyl tertiary amine quaternary ammonium salt. The alkyl tertiary amine quaternary ammonium salt is synthesized by utilizing the micro-channel reactor, and compared with a traditional reaction kettle method production process, efficient mass and heat transfer and process enhancement in the reaction process can be realized, and continuity and accurate control of the reaction process can be realized, so that the reaction efficiency and the product quality of alkyl tertiary amine quaternization reaction are improved.