56 results about "Pentadecane" patented technology

The invention provides ultralow-viscosity brominated cardanol as well as a preparation method and application thereof, and belongs to the technical field of macromolecular flame-retardant materials. The technical problem that most existing brominated flame retardants are powder or high-viscosity liquid and cannot meet the requirement of spraying construction for low viscosity is solved. The ultralow-viscosity brominated cardanol has a structure as shown in the following formula (1): # imgabs0 #, wherein R is alkyl or halogenated alkyl; r1 is a bromine-containing cardanol carbon pentadecyl side chain; x is any real number from 1 to 3; the preparation method comprises the following steps: S1, dissolving cardanol in an organic solvent I, adding a bromine-containing solution, after complete reaction, washing an organic phase with water, separating liquid to remove water, and distilling out the organic solvent I under reduced pressure to obtain a brominated intermediate; and S2, dissolving the brominated intermediate in an organic solvent II, adding an anhydride substance, completely reacting in the presence of a catalyst, washing an organic phase with water, separating liquid to remove water, and distilling out the organic solvent II under reduced pressure to obtain the ultralow-viscosity brominated cardanol.

The invention relates to the field of plasma separation and detection, in particular to a composition for separating plasma and a using method thereof. The composition comprises: a phase change component, which is selected from n-alkanes, which are selected from at least one of n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, n-heneicosane or n-docosane; a liquid phase carrier component, wherein the liquid phase carrier component is selected from silicone oil; the structural framework and rheology regulation and control component comprises fumed silica, and the structural framework and rheology regulation and control component comprises fumed silica; the dispersion and stabilization auxiliary agent component is selected from at least one of TiO2 and BaSO4, the density adjusting filler component is selected from at least one of TiO2 and BaSO4, and the dispersion and stabilization auxiliary agent component comprises a silane coupling agent. According to the device, plasma and blood cells can be reliably, rapidly and effectively separated only through one-time low-temperature centrifugation, and remixing caused by transportation jolting can be avoided.

The invention relates to the field of electrolytes for aluminum electrolytic capacitors, in particular to an electrolyte solute and a preparation method thereof, an electrolyte and an aluminum electrolytic capacitor. The electrolyte solute comprises a branched chain polycarboxylic acid ammonium mixture, and the branched chain polycarboxylic acid ammonium mixture comprises 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, the additive is prepared from ammonium 5, 7 '-(octadecane-9, 10-diethyl) dioctyl pentadecanedioic acid, ammonium 8-(5-carboxypentyl)-7-octane hexadecanedioic acid, ammonium 10, 11-dioctyl eicosanedioic acid, ammonium 8-hydroxy-7-octane hexadecanedioic acid, ammonium (E)-7-hexadecane-8-octane enedioic acid and ammonium dodecanedioic acid. The electrolyte solute can obviously improve the conductivity and the sparking voltage of the electrolyte, and the high and low temperature resistance, the voltage resistance, the safety and stability performance and the like of the capacitor. Meanwhile, the preparation method of the solute is simple, high in product yield, low in cost, safe and environment-friendly.

The invention provides a continuous flow preparation method of a photosensitizer, the photosensitizer is prepared by using a continuous flow reaction device, and the continuous flow reaction device comprises a reaction unit, a post-treatment unit, a diazotization unit, a chlorination unit and an esterification unit which are communicated in sequence; the preparation method of the photosensitizer comprises the following steps: conveying a reaction raw material to a continuous flow reaction device through a feed port, and enabling the reaction raw material to sequentially flow through a reaction unit and a post-treatment unit to obtain a first reaction liquid; the first reaction liquid sequentially flows through the diazotization unit, the chlorination unit and the esterification unit through the feeding hole to obtain the photosensitizer; reaction raw materials comprise 2-naphthylamine-1, 5-disulfonic acid, solid alkali and a catalyst, the catalyst comprises at least one of 1, 4, 7, 10, 13, 16-hexaoxacyclo-octadecane, 1, 4, 7, 10, 13-pentaoxacyclo-pentadecane and dicyclohexane-18-crown (ether)-6, an esterifying agent comprises at least one of 2, 3, 4-trihydroxy benzophenone and 2, 3, 4, 4-tetrahydroxy benzophenone, and the yield and quality of the photosensitizer are improved.

Administration of pentadecanoylcarnitine or pentadecanoic acid is provided for prevention, management or treatment of aggression, allergies, allergic rhinitis, Alzheimer's disease, anxiety and anxiety disorders, amyotrophic lateral sclerosis, arthritis, asthma, atherosclerosis, attention-deficit hyperactivity disorder, bipoloar disorder, brain damage, cancer, cardiovascular disease, cholestatic pruritis, depression, chronic obstructive pulmonary disease (COPD), cocaine abuse, cough, dermatitis, depression, drug-seeking behavior, gastrointestinal disorders, facial erythema associated with rosacea, glaucoma, hepatic diseases, hyperactive bladder, hypersensitivity disorders, hypertension, impulsivity, inflammation, mental disorders and conditions, metabolic disorders, migraines, nasal and sinus congestion, nausea, neuropathic pain with and symptoms of multiple sclerosis, neurological and neuropsychiatric disorders, obesity, obsessive-compulsive disorders, opioid-induced respiratory depression, osteoarthritis, pain, Parkinson disease, pathological gambling, peptic ulcers, schizophrenia, sleep disorders, spinal cord injury, tardive dyskinesia, tics and behavioral problems with Tourette's syndrome; as well as for supporting appetite, cardiovascular health, hematologic health, memory, metabolic health, mood, prolonged REM sleep, renal health, sexuality, sociability and metabolic, hematological, renal, and weight loss.

A cardanol based coupling agent is disclosed. The coupling agent is obtained by reacting 3-pentadecyl phenol ethoxylate with sulfur to obtain a sulfurized 3-pentadecyl phenol ethoxylate and reacting the sulfurized 3-pentadecyl phenol ethoxylate with a carbonyl compound. A process for preparing a cardanol based coupling agent is also disclosed. The process comprises reacting 3-pentadecyl phenol ethoxylate with sulfur to obtain a sulfurized 3-pentadecyl phenol ethoxylate and reacting the sulfurized 3-pentadecyl phenol ethoxylate with a carbonyl compound.

Nanocomposites comprising nanoparticles, small molecules, and block copolymer (BCP)-based supramolecules are provided. The nanoparticles, small molecules, and BCP-based supramolecules self-assemble into a plurality of nanosheets that form a multilayer nanocomposite. The nanoparticles, small molecules, and BCP-based supramolecules can be Zr02, 3-pentadecylphenol (PDP), polystyrene-b-poly(4-vinylpyridine) block copolymer (PDP) 1, respectively. b A method of producing a nanocomposite by contacting nanoparticles, small molecules, and BCP-based supramolecules with a solvent and drying to remove the solvent to allow self-assembly is also provided. The nanocomposites provided herein can be used as a barrier material against volatile organic compounds, water, oxygen, or electrons, and can be used as a coating on various substrates and as a packaging material, or as an optical material.

The invention discloses a bio-based amino polyol brominated epoxy resin, and a preparation method and application thereof, the bio-based amino polyol brominated epoxy resin has the following structure: # imgabs0 #, in which R and R1 are both carbon pentadecyl, and R2 is amino polyol. The polyol provided by the invention can be used as a reactive flame retardant in polyurethane foam, and can maintain the mechanical properties of the material to the greatest extent; meanwhile, the processing technology is simple; and moreover, the amino polyol brominated epoxy resin containing the bio-based group contains a flame-retardant group (Br) which can be used as a polyurethane foam synthetic material and also can be used as a flame retardant, so that the flame-retardant property of the product is improved. In addition, the amino polyol structure contained in the bio-based amino polyol brominated epoxy resin can completely replace an amino catalyst in polyurethane foam synthesis, and multiple functions are integrated.

The present application relates to a fragrance composition reproducing the fragrance of white lotus and a skin external composition and a fragrance product containing the fragrance composition reproducing the fragrance of white lotus, and particularly relates to a fragrance composition reproducing the fragrance of white lotus with excellent preference by adding 2-phenylethanol to pentadecane, p-xylene, heptadecane, sabinene, limonene, myrcene, alpha-terpineol, etc. analyzed by SPME method. The fragrance composition provided by the present application contains pentadecane, p-xylene, heptadecane, sabinene, limonene, myrcene, alpha-terpineol, etc. which are main components of the fragrance of white lotus, and also contains 2-phenylethanol, thereby reproducing the fragrance of white lotus and improving the preference of the fragrance.

The invention belongs to the field of flavors, fragrances and pharmaceutical engineering, and relates to a preparation method of levorotatory muscone and a muscone product. 4-methyl cyclopentadecanone is used as a raw material, and under the action of sulfur and cyclic secondary amine, levorotatory muscone is prepared through one-step reaction; wherein in a system of the one-step reaction, the atmosphere condition is an inert atmosphere condition, the solvent is an alcohol-water solution, the reaction temperature is 64-120 DEG C, the cyclic secondary amine is a heterocyclic compound, at least one heteroatom of the heterocyclic compound is an N atom, and the N atom is a secondary amine group. According to the preparation method disclosed by the invention, a chiral reagent can be prevented from being used for directly preparing a product mainly containing levo-muscone.

To provide compounds and compositions for reducing most common opioid-induced hyperalgesia associated with microglial hyperactivation.SOLUTION: 2-pentadecyl-2-oxazoline (PEA-OXA) for use as an opioid adjuvant for preventing the development of or in the treatment of opioid-induced hyperalgesia (OIH), wherein the PEA-OXA is administered with or in combination with an opioid. Wherein the administration is separate, together or simultaneous.SELECTED DRAWING: None

2-Pentadecyl-2-oxazoline (also known as palmitoylethanolamide oxazoline or PEA-OXA) is used to counteract hyperalgesia induced by the most common opioids (OIH) associated with microglial hyperactivation. In particular, PEA-OXA is administered to humans and animals to prevent or treat some of the adverse effects of opioids by controlling immune hyperactivation. The PEA-OXA is administered separately, sequentially or jointly with the opioid.

The present invention relates to the technical field of electrochemistry, relates to the electrochemical synthesis of a muscone precursor, and in particular to a micro-reaction process and system for synthesizing a muscone precursor by means of circulating flow electrolysis. An electrolysis micro-reactor is used to perform a circulating Kolbe electrolysis reaction on a raw material 1 and a raw material 2 in an electrolyte solution to synthesize dimethyl 3-methylpentadecanedioate. During the circulating Kolbe electrolysis reaction, an electrolyzed material discharged from the electrolysis micro-reactor is conveyed to a circulating solution storage tank to discharge a gas generated during electrolysis, and the electrolyzed material from which the gas has been discharged is then conveyed into the electrolysis micro-reactor again for an electrolysis reaction. The present invention shortens an ion conduction distance by means of a micro-channel structure of an electrolysis micro-reactor, promotes, by means of controllable circulating flow of an electrolyte solution, the timely discharge of a gas generated at an electrode, and reduces a cell voltage while the current density is guaranteed. The present invention has the characteristics of low energy consumption, concise process, and easy control.

The invention provides fireproof particles and a preparation method and application thereof, and belongs to the technical field of carbon capture, utilization and storage and the technical field of fireproof materials. The fireproof particle sequentially comprises a composite inner core, a silicon dioxide layer, a super-hydrophobic coating and fins from inside to outside, wherein the composite inner core comprises a mixture of biochar, a mineral material, ammonium polyphosphate and pentacosane; the silicon dioxide layer is located on the surface of the composite core; the super-hydrophobic coating comprises C12-C18 straight chain alkyl trimethoxy silane which is bonded on the surface of the silicon dioxide layer; and the fins are adhered to the surface of the super-hydrophobic coating.

A cardanol based coupling agent is disclosed. The coupling agent is obtained by reacting 3-pentadecyl phenol ethoxylate with sulfur to obtain a sulfurized 3- pentadecyl phenol ethoxylate and reacting the sulfurized 3-pentadecyl phenol ethoxylate with a diisocyanate compound. A process for preparing a cardanol based coupling agent is also disclosed. The process comprises reacting 3-pentadecyl phenol ethoxylate with sulfur to obtain a sulfurized 3-pentadecyl phenol ethoxylate and reacting the sulfurized 3-pentadecyl phenol ethoxylate with a diisocyanate compound.

The present invention discloses a pentadecane parasitic wasp attractant and its application. Compared with existing pest attractants on the market, the pentadecane attractant provided by the present invention attracts beneficial parasitic wasps, eliminating growers' concerns about attracting more pests to their fields. Furthermore, the more beneficial insects there are, the better the field pest control effect. In addition to the pale-footed braconid wasp, the parasitic wasp attractant of the present invention may not only attract parasitic wasps of the Noctuidae family, but also other types of parasitic wasps, thereby increasing the number of parasitic wasps in the field and improving the parasitic wasp parasitism rate in the field, achieving the effect of parasitic wasps controlling field pests.

The invention provides a marine fungus-derived petroleum degrading enzyme, a gene A6006 and application thereof, belongs to the crossing field of biological enzyme technology and environmental remediation, and provides the marine fungus-derived petroleum degrading enzyme, the amino acid sequence of which is shown as SEQ ID NO.2. The gene A6006 of the marine fungus-derived petroleum degrading enzyme has the advantages that the gene A6006 of the marine fungus-derived petroleum degrading enzyme has the advantages that the gene A6006 of the marine fungus-derived petroleum degrading enzyme has the advantages that the gene A6006 of the marine fungus-derived petroleum degrading enzyme can be used for degrading petroleum; the nucleotide sequence of the gene after being optimized by an escherichia coli codon is shown as SEQ ID NO. 1; the marine fungus-derived petroleum degrading enzyme provided by the invention can degrade dodecane, tridecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane, hexadecanoic acid, naphthalene, phenanthrene and pyrene; and the degradation effect on tetradecane, hexadecane and naphthalene is better.

This disclosure relates to solid forms of (2S)-2-[(10S,17E)-16-ethoxy-6,8,10,12,20-pentamethyl-2,8,10,11,12,13-hexahydro-14H-5,3-(azenometheno)tripyrazolo[3,4-f:3',4'-j:4'',3''-n][1,4]oxazacyclopentadecin-14-yl]propan-1-ol that are useful in the treatment of disease, such as cancer, in mammals. This disclosure also relates to the preparation of such solid forms, including polymorphs, salts, cocrystals, solvates, hydrates, or a combination thereof. This disclosure also relates to compositions including such solid forms, and to methods of using such compositions in the treatment of diseases, such as cancer, in mammals, especially in humans.

The present invention belongs to the field of biotechnology, and particularly relates to Enterococcus italicus for producing fatty alcohols and its applications. Aiming at the problems existing in the production of fatty alcohols by existing microorganisms through fermentation, such as low yield, slow strain improvement, cumbersome detection process, physiological toxicity, and unreasonable selection of metabolic pathways, the present invention provides a strain of Enterococcus italicus for producing fatty alcohols, with the preservation number of CGMCC NO.25136. This strain can simultaneously produce n-heptanol, 1-dodecanol, 1-pentadecanol, 1-hexadecanol, and 1-nonadecanol, providing a strain selection for the preparation of fatty alcohols by microorganisms, and facilitating the research on the synthesis pathway of higher fatty alcohols to improve the ability of engineered bacteria to synthesize fatty alcohols.

The invention belongs to the technical field of energy, and in particular relates to a biological blended fuel which comprises the following components: methyl palmitate, octadecane-9. 12-dienoic acid methyl ester, cis-11-octadecenic acid methyl ester, 2-methyl undecane, 3-methyl undecane, 3, 6-dimethyl decane, 3.7-dimethyl decane, 3, 8-dimethyl-undecane, 3, 8-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, 6-dimethyl decane, 3, the preparation method comprises the following steps: adding 1, 10-methyl eicosane, 2, 5-dimethyl dodecane, 5-methyl tridecane, 4-methyl-tridecane, 2-bromododecane, 3-methyl-5-propyl nonane, 3-methyl-tetradecane, n-nonane, 6-methyl undecane, 2, 5-dimethyl decane, C16H34, 5-methyl-tetradecane, 7-methyl heptadecane, 4-methyl tetradecane, 3-methyl-tetradecane and 2.5-dimethyl tridecane into a reaction kettle; methyl tetradecane, n-pentadecane and tetradecane; according to the invention, 10-methyleicosane and 5-methyltetradecane are used for providing a high volume calorific value, and the flame temperature is improved compared with that of common biodiesel.

The present invention belongs to the field of pharmaceutical technology, and specifically relates to extracting and separating the 9-oxa-tetracyclic [6.6.1.0 2,6 .0 8,13 ]pentadecane and tetracyclo[5.3.0.1 2,5 .2 4,11 ] two types of heteroterpene compounds of tridecane. The compounds are separated by silica gel column chromatography, ODS column chromatography and HPLC. The present invention also relates to investigating the inhibitory activity of the compounds on acetylcholinesterase. The experimental results show that compared with the positive drug donepezil, IC 50 The value was 1.85±0.03μM. Compounds 1 and 2 showed stronger inhibitory activity against acetylcholinesterase than positive drugs, IC 50 The values ​​were 0.02±0.02μM and 0.31±0.18μM respectively. The present invention enriches the medical use of Daphne koreana in fighting Alzheimer's disease. #imgabs0#

The present invention addresses the problem of: providing an aroma chemical comprising a substance secreted characteristically in the ovulatory period, the aroma chemical, as a result of smelling the fragrance thereof, evoking a pleasant feeling, inducing a tranquil effect in men, and increasing allure in women; as well as providing substances (menstrual cycle markers) for specifying each period of the menstrual cycle, and a method for estimating menstrual cycles using said substances. Specifically, the present invention is an aroma chemical composition comprising one or more compounds selected from the group of compounds consisting of geranylacetone, 9-hexadecenoic acid, and tetradecanoic acid. The present invention also is a method for estimating the menstrual cycle of a subject, the method comprising the detection, in secreted substances from the axilla of the subject, of at least one compound selected from the group of compounds consisting of: octanal; 1-tetradecanol; 1,3-butanediol; 1-hexadecanol; hexanoic acid; dodecanal; propionic acid; 2,6,10,14-tetramethyl-pentadecane; heptadecane; 1-pentadecanol; (Z)-9-octadecenoic acid; 1-dodecanol, 1-octanol; hexahydro-2H-azepin-2-one; 1-tridecanol; tetradecane; octadecane; tetradecanoic acid; (E)-geranylacetone; (Z)-9-hexadecenoic acid; hydrogen sulfide; and 2-pyrrolidone.

The application provides a synthesis method of dimethyl terephthalate, which comprises the following steps: adding a sulfonic acid catalyst into methanol and terephthalic acid to perform a first esterification reaction to obtain a first esterification product; adding methanol into the first esterification product to perform a second esterification to obtain a second esterification product; adding methanol into the second esterification product to perform crystallization to obtain a crystallization product; and performing distillation on the crystallization product to obtain dimethyl terephthalate; wherein the catalyst comprises one or more than two combinations of hexyl benzene sulfonic acid, dodecyl sulfonic acid, pentadecyl sulfonic acid and dodecyl benzene sulfonic acid. Compared with a traditional concentrated sulfuric acid catalyst, the catalyst used in the application itself, especially after adding an additive, greatly reduces the corrosion of the catalyst to equipment, has good reusability and is more in line with the requirements of green chemistry.

The present invention discloses a bio-based amino polyol brominated epoxy resin, a preparation method, and applications. The bio-based amino polyol brominated epoxy resin has the following structure: wherein R and R1 are both a carbon pentadecanyl group, and R2 is an amino polyol. The polyol of the present invention can be used as a reactive flame retardant in polyurethane foam, which can maximize the mechanical properties of the material; at the same time, the processing technology is simple; and the bio-based amino polyol brominated epoxy resin contains a flame retardant group (Br), which can be used as a polyurethane foam synthetic material and a flame retardant, thereby improving the flame retardant properties of the product. In addition, the amino polyol structure contained in the bio-based amino polyol brominated epoxy resin can completely replace the amino catalyst in the polyurethane foam synthesis, realizing multifunctionality in one.

The present disclosure provides an aqueous composition comprising water and a polymer, the polymer comprises at least one hydrophobic monomer selected from the group consisting of n-hexyl (meth) acrylate, n-octyl (meth) acrylate, lauryl (meth) acrylate, myristyl (meth) acrylate, pentadecane (meth) acrylate, cetyl (meth) acrylate, oleyl (meth) acrylate, erucyl (meth) acrylate, vinyl acetate, vinyl propionate, and at least one of the following monomers. A vinyl versatate, a vinyl stearate, an allyl acetate, an allyl propionate, an allyl versatate, an allyl stearate, and combinations thereof; and at least one hydrophilic monomer selected from the group consisting of an acrylate, an acrylate, an acrylamide, a 2-acrylamido-2-methylpropanesulfonic acid, a 2-acrylamido-2-methylpropanesulfonic acid salt, and combinations thereof, wherein the composition exhibits a particle suspension time of at least 1 hour.

The invention provides a macrocyclic ketone compound and a preparation method thereof, and belongs to the technical field of organic synthesis. (E)-3-methylcyclopentadecanone is subjected to an asymmetric catalytic hydrogenation reaction under the action of a catalyst to obtain a product (-)-(R)-3-methylcyclopentadecanone. The invention prepares an efficient chiral catalyst, which can selectively catalyze the hydrogenation reaction of (E)-3-methylcyclopentadecanone, prepare (-)-(R)-3-methylcyclopentadecanone with high yield and high selectivity, and the reaction conditions are mild and easy to realize industrial application.

The subject matter of the present invention is the use of 2-Pentadecyl-2-oxazoline (also known as PEA-OXA) in association with butyric acid, in acidic or salified form, in the treatment of epilepsy and associated psychiatric comorbidities (such as social isolation). In particular, the present invention relates to PEA-OXA for use, in humans and animals, in the prevention and treatment of epileptogenesis and comorbidities associated with epilepsy, such as limited social interaction, wherein PEA-OXA is administered in association or in combination with butyric acid or a salt thereof, wherein said administration is separate, joint, or simultaneous.

Disclosed is a scalable process for preparing 14-methyl-16-oxabicyclo[10.3.1]hexadec-12-ene (BCE), a key intermediate for preparing the flavor ingredient 3-methylcyclopentadecanone and analogs, by reacting 3-methyl-1,5-cyclopentadecanedione (MCPD) and analogs with metal or metalloid alkoxides in high yield and purity.

The invention discloses a heat-conducting adhesive for a high-heat-conductivity double-sided tape and a preparation method of the heat-conducting adhesive, and relates to the technical field of preparation of heat-conducting materials. The heat-conducting adhesive for the high-heat-conductivity double-sided tape, prepared by the invention, comprises modified polyurethane, diamine nitrile rubber and acrylate, and the modified polyurethane is prepared by reacting hydroxyl heterocyclic pyrrole, polyether polyol and polymethylene isocyanate; hydroxyl heterocyclic pyrrole is prepared through the reaction of amino acid methyl ester, carboxyl benzene methyl mercapto oxadiazole and sodium methoxide, carboxyl benzene methyl mercapto oxadiazole is prepared through the reaction of 2-pyridine formylhydrazine, carbon disulfide and m-bromomethyl benzoic acid, and heat conductivity is enhanced; the diamine butadiene-acrylonitrile rubber is prepared by reacting pentadecyl phenol, decamethylene diamine and paraformaldehyde to generate oxazine resin and then reacting with butadiene-acrylonitrile rubber, and the diamine butadiene-acrylonitrile rubber, modified polyurethane and acrylate are compounded to enhance the mechanical properties of the adhesive.

According to the degreaser for removing oil on the surfaces of the silver and silver alloy materials and the application, animal and vegetable oil, mineral oil and polishing wax can be emulsified at one time to enable the particle size to be smaller than 100 nm and the emulsification stabilization time to be larger than or equal to 24 h at the temperature of 25-45 DEG C and the oil concentration range of 0.5-5 g / L through gradient HLB cooperation by means of four non-ionic surfactants, the whole system does not contain sulfur, phosphorus and nitrogen heterocyclic rings, the COD contribution is low, and the application range is wide. Discharge can be directly introduced into a conventional biochemical treatment tank, and nonionic compounds only form lt on the surfaces of silver and silver alloy; a weak adsorption layer with the thickness of 3 nm does not interfere with dense deposition of a corrosion inhibition film of a BTA-triethanolamine synergistic corrosion inhibition system, efficient oil removal and no corrosion are ensured, pentadecyl phenol polyoxyethylene ether has solubilizing and conveying effects on BTA, the corrosion inhibitor reaches the metal surface at the microsecond level, the corrosion inhibition efficiency is improved by 20-30%, and the corrosion inhibition effect is good. And triple breakthrough of'efficient oil removal, no corrosion and easy rinsing 'on the surfaces of the silver and the silver alloy is realized, so that the cleaning agent has outstanding creativity in the aspects of materials, formulas and processes.