27 results about "Octyl Alcohols" patented technology

The invention discloses a low-rank coal composite flotation reagent and a preparation method and application thereof, and belongs to the technical field of coal flotation of mineral processing. The agent specifically comprises a composite collecting agent and a composite foaming agent, and the composite collecting agent comprises kerosene, n-dodecane, oleic acid, dimer acid, sodium stearate, terpilenol, diethyl phthalate, alkylphenol ethoxylates, span-80, trioctyl phosphate and 2-ethylhexanol. The composite foaming agent is prepared from the following components: terpilenol, terpenic oil, sec-octyl alcohol and sodium alpha-olefin sulfonate. Compared with a traditional single flotation reagent combination, the composite flotation reagent has a remarkable effect in fine coal flotation, and particularly when coal with the particle size smaller than 0.5 mm is treated, the flotation efficiency, the clean coal yield and the combustible body recovery rate can be effectively improved. More importantly, the medicament is stable at normal temperature, the layering phenomenon is avoided, the long-term effectiveness is ensured, and the medicament has extremely high industrial application potential.

The invention discloses a diisooctyl / isononyl / isodecyl adipate plasticizer composition as well as a preparation method and application thereof, the diisooctyl / isononyl / isodecyl adipate plasticizer composition is prepared from adipic acid, isooctyl alcohol (A), isononyl alcohol (B) and isodecyl alcohol (C) through esterification reaction, and the molar ratio of the adipic acid to total alcohol is 1: (2-3); the molar ratio of the isooctyl alcohol (A) to the isononyl alcohol (B) to the isodecyl alcohol (C) is (0.01-2): (0.01-2): (0.01-2). The plasticizer composition disclosed by the invention can be used as a main plasticizer to be added into a PVC (Polyvinyl Chloride) material, and various asymmetric plasticizers coexist in the plasticizer composition, so that the integration of the plasticizers and PVC can be improved, the addition amount of the plasticizers in a PVC formula is increased, and the precipitation amount is extremely low. The plasticizer can be used as one of substitutes of traditional plasticizers, and even is a better improved product.

The invention provides a silicon dioxide and amorphous indium tin oxide selective etching solution. The silicon dioxide and amorphous indium tin oxide selective etching solution comprises an alcohol substance, a fluorine-containing substance, a corrosion inhibitor, a surfactant and the balance of water. The alcohol is one or a combination of more of ethylene glycol, polyethylene glycol, glycerol, isooctanol or isopropanol. The fluorine-containing substance is one or a combination of more of hydrofluoric acid, ammonium fluoride or ammonium bifluoride. The etching inhibitor is one or a combination of more of N, N-diisopropylethylamine, 2-hexylbenzimidazole, hydroxyethylidene-1, 1-diphosphonic acid, 5-oxo-4, 5-dihydropyrazolo [1, 5-a] pyrimidine-3-formonitrile or 5-chloro-[1, 2, 4] triazolo [1, 5-a] pyrimidine. The surfactant is one or a combination of more of polyethylene glycol mono-p-tert-octylphenyl ether, polyethylene glycol-propylene glycol monobutyl ether or coconut oil fatty acid diethanolamide. The etching solution can quickly remove a silicon dioxide deposition layer on the premise that the etching rate of amorphous indium tin oxide is smaller than or equal to 0.03 nm / min, the etched surface of silicon dioxide is smooth after etching, and etching of silicon dioxide and amorphous indium tin oxide has a high selection ratio.

The utility model discloses and provides a recovery device for sec-octanol in a tantalum-niobium mixed solution, which is simple in structure and low in cost, and the tantalum-niobium mixed solution is in a low-temperature state, so that the separation effect is achieved, the recovery efficiency of sec-octanol is improved, the energy consumption is reduced, and the maximum utilization of resources is realized. The multi-stage clarification device comprises a cooling device, a multi-stage clarification device, a plurality of collecting devices and an oil separation device, the cooling device is arranged at an inlet of the multi-stage clarification device, the oil separation device is arranged at an outlet of the multi-stage clarification device, the collecting devices are arranged at the top of the multi-stage clarification device, and the oil separation device is arranged at an outlet of the multi-stage clarification device. A tantalum-niobium mixed solution is sequentially matched with the cooling device and the multi-stage clarification device, the tantalum-niobium mixed solution is separated from a tantalum-niobium solution and sec-octanol in the multi-stage clarification device, and the sec-octanol is discharged out of the device through a plurality of collecting devices. The method is applied to the field of octanol recovery.

The invention relates to a method for evaluating the sensory quality of a tea aroma type distilled liquor based on instrumental analysis. The method comprises the following steps: 1) preparing a mixed standard solution containing linalool, alpha-terpineol, methyl salicylate, ethyl acetate, ethyl hexanoate, ethyl caprylate, ethyl caprate, ethyl laurate, isobutanol and isoamyl alcohol by adopting an ethanol aqueous solution; (2) preparing a sec-octanol internal standard solution by adopting absolute ethyl alcohol; 3) mixing the mixed standard solution or the tea aroma type distilled liquor with ultrapure water, sodium chloride and an internal standard solution to prepare a mixed standard substance test solution or a sample test solution; (4) analyzing the standard solution to be tested and the sample solution to be tested through an HS-SPME-GC-MS method, and calculating the content of 10 key flavor substances in the sample solution; and 4) judging the sensory quality of the sample according to a certain standard. According to the method, the sensory quality of the wine body is objectively evaluated according to the contents of the 10 key flavor substances in the tea flavor type distilled wine, and a reliable basis is provided for product quality control and market promotion.

Method of forming alcohol ethoxylate polymers using a catalyst. The method comprising reacting an ethylene oxide; and an alcohol which can be selected from butanol, octanol, decanol, docosanol and non

The invention relates to a preparation method of a sec-octanol alkoxylate, which comprises the following steps: carrying out alkoxylation reaction on sec-octanol in the presence of an acid catalyst, neutralizing, and rectifying to obtain the sec-octanol alkoxylate. An alkoxylation unit of the alkoxylation reaction is selected from one of ethylene oxide (EO) and propylene oxide (PO), and the distribution of the alkoxylation unit is block or random. The acidic catalyst is selected from at least one of BF3 and etherates thereof, SnCl4 and solid acid. According to the method disclosed by the invention, the sec-octyl alcohol alkoxylate with low odor, good permeability and extremely good defoaming performance can be prepared. And the value of the sec-octanol alkoxylate is further improved through the rectification operation with optimized technical parameters.

The present application relates to the technical field of asiatic acid, and particularly relates to an asiatic acid derivative and a preparation method. The asiatic acid derivative provided by the present application has R which is an alkyl group formed by removing a hydroxyl group from a saturated or unsaturated monohydric alcohol, and the saturated or unsaturated monohydric alcohol includes one of ethanol, octanol, hexadecanol, stearyl alcohol, 2-hexyl-1-decanol, decyltetradecin, oleyl alcohol, cis,cis-9,12-octadecadienol and bisabolol. The asiatic acid derivative of the present application has higher water solubility and oil solubility, especially oil solubility, so that the asiatic acid derivative has obviously enhanced liposolubility, is easily soluble in natural oil, alkane and other ester solvents, and has a significant inhibitory effect on EDNRA and TRPV1 and obviously enhanced bioactivity. The asiatic acid derivative of the present application has high availability, and the asiatic acid derivative has no safety risk.

The invention provides a preparation method of octyloxyglycerin, and belongs to the technical field of organic synthesis. The method comprises the following steps: taking isooctanol as an initial raw material, and reacting with a chlorination reagent in the presence of a catalyst to generate an intermediate 3-chloromethylheptane; reacting the intermediate 3-chloromethylheptane with glycerol in the presence of alkali and a phase transfer catalyst to generate an octyloxyglycerol crude product; and carrying out reduced pressure distillation on the octyloxyglycerol crude product to obtain the high-purity octyloxyglycerol. The preparation method of the octyloxyglycerin has the advantages of low raw material price, simplicity in operation, good safety and the like, and a new idea is provided for preparation of the octyloxyglycerin.

The invention relates to the technical field of organic synthesis, and particularly discloses a preparation method of octocrylene. According to the method, efficient synthesis of esterification and condensation cascade reaction is realized by adopting a one-pot method, cyanoacetic acid and isooctanol are subjected to esterification reaction in the presence of a bifunctional catalyst under the protection of inert gas, and then condensation reaction with benzophenone is carried out. Wherein the bifunctional catalyst is prepared by taking fluoro-triptycene trialdehyde as an organic framework porous structure and modifying a loaded metal active center in multiple steps, has high catalytic activity and stability, and improves the conversion rate and selectivity of the reaction.

The invention discloses a diisooctyl azelate / isononyl azelate / isodecyl azelate plasticizer composition and a preparation method and application thereof, the diisooctyl azelate / isononyl azelate / isodecyl azelate plasticizer composition is prepared from azelate, isooctyl alcohol (A), isononyl alcohol (B) and isodecyl alcohol (C) through esterification reaction, and the molar ratio of azelate to total alcohol is 1: (2-3); the molar ratio of the isooctyl alcohol (A) to the isononyl alcohol (B) to the isodecyl alcohol (C) is (0.01-2): (0.01-2): (0.01-2). The plasticizer composition disclosed by the invention can be used as a main plasticizer to be added into a PVC (Polyvinyl Chloride) material, and various asymmetric plasticizers coexist in the plasticizer composition, so that the integration of the plasticizers and PVC can be improved, the addition amount of the plasticizers in a PVC formula is increased, and the precipitation amount is extremely low. The plasticizer can be used as one of substitutes of traditional plasticizers, and even is a better improved product.

The invention discloses a synthetic method of sec-octyl phenoxyacetic acid, and relates to the technical field of organic synthesis and green chemistry. According to the synthesis method provided by the invention, phenol and sec-octanol are used as raw materials, and a one-pot method is adopted and comprises the following steps: a, putting phenol, sec-octanol, an etherification reagent, an ionic liquid catalyst, an etherification catalyst and an ionic liquid reaction medium into the same reactor, and sequentially carrying out an alkylation reaction and an etherification reaction at a certain temperature, the sec-octyl phenoxy acetic acid is obtained; and b, after the reaction is finished, cooling and filtering a reaction system, adding deionized water into filtrate for separation, collecting an organic phase, and carrying out recrystallization treatment to obtain the high-purity sec-octyl phenoxy acetic acid. According to the synthesis method disclosed by the invention, two reactions of alkylation and etherification are efficiently carried out in a compatible system, the total yield is far higher than that of a traditional method, the used catalyst and solvent can be recycled, and the whole technological process is basically free of acidic wastewater or salt-containing organic wastewater which is difficult to treat and is environment-friendly.

A plasticizer and a method for manufacturing the plasticizer are provided. The method includes steps as follow. A dicarboxylic acid, a diol, and a catalyst are mixed to form a reactant mixture. The reactant mixture is reacted at a temperature ranging from 130° C. to 220° C. to form a semi-product. An endcapping alcohol into the semi-product at a temperature ranging from 205° C. to 220° C. to form a coarse plasticizer. The coarse plasticizer is purified under a pressure ranging from 760 Torr to 5 Torr to obtain the plasticizer. The dicarboxylic acid includes a first dicarboxylic acid and a second dicarboxylic acid, and the second dicarboxylic acid is adipic acid. The diol includes diethylene glycol and 2-methyl-1, 3-propanediol. The endcapping alcohol includes isooctyl alcohol, isodecyl alcohol, or 2-propylheptanol. A molar ratio of dicarboxylic acid:diol:the endcapping alcohol ranges from 1:0.6 to 0.9:0.3 to 0.6.

The invention discloses a triisooctyl trimellitate / isononyl / isodecyl trimellitate plasticizer composition and a preparation method and application thereof, and the triisooctyl trimellitate / isononyl / isodecyl trimellitate plasticizer composition is prepared from trimellitic acid or trimellitic anhydride, isooctyl alcohol (A), isononyl alcohol (B) and isodecyl alcohol (C) through esterification reaction, the molar ratio of the trimellitic acid or the trimellitic anhydride to the total alcohol is 1: (3-4); the molar ratio of the isooctyl alcohol (A) to the isononyl alcohol (B) to the isodecyl alcohol (C) is (0.01-4): (0.01-4): (0.01-4). The plasticizer composition disclosed by the invention can be used as a main plasticizer to be added into a PVC (Polyvinyl Chloride) material, and various asymmetric plasticizers coexist in the plasticizer composition, so that the integration of the plasticizers and PVC can be improved, the addition amount of the plasticizers in a PVC formula is increased, and the precipitation amount is extremely low. The plasticizer can be used as one of substitutes of traditional plasticizers, and even is a better improved product.

The present invention relates to a method for preparing 2,4 drops of isooctyl ester with high purity and low acidity, wherein 2,4 drops of acid and isooctyl alcohol are reacted under catalyst conditions to generate 2,4 drops of isooctyl ester, the mol ratio of 2,4 drops of acid and isooctyl alcohol is 1: 1.35-1.355, and the reaction time is 9-11 hours. It is characterized in that the catalyst is sodium bisulfate and hydrochloric acid, and sodium bisulfate and hydrochloric acid are not added at the same time; the order of addition is, first, sodium bisulfate is added, catalytic reaction is carried out for a period of time, and then hydrochloric acid is added. The present application changes the product appearance color, improves product purity, and reduces the acidity of the product.

The application relates to the technical field of cleaning agents, and particularly discloses a low-foaming active agent for beverage container cleaning and a preparation method thereof.The low-foaming active agent for beverage container cleaning is prepared from the following raw materials in parts by weight: 10-20 parts of sodium hydroxide, 15-28 parts of alkyl polyglycoside, 27-50 parts of octanol polyoxyethylene ether, 15-25 parts of fatty alcohol sulfonate, 5-12 parts of a stabilizer and 60-80 parts of water; the preparation method of the low-foaming active agent comprises the following steps: S1, adding sodium hydroxide and the stabilizer into water, stirring until completely dissolved to obtain a mixed solution; S2, adding alkyl polyglycoside, octanol polyoxyethylene ether and fatty alcohol sulfonate into the mixed solution, stirring until completely dissolved to obtain the low-foaming active agent for beverage container cleaning.The low-foaming active agent prepared by the application can effectively reduce the generation of foam, accelerate the disappearance of foam, and significantly improve the cleaning ability and efficiency of the cleaning agent.

The invention discloses a diisooctyl sebacate / isononyl / isodecyl sebacate plasticizer composition and a preparation method and application thereof, the diisooctyl sebacate / isononyl / isodecyl sebacate plasticizer composition is prepared from sebacic acid, isooctyl alcohol (A), isononyl alcohol (B) and isodecyl alcohol (C) through esterification reaction, and the molar ratio of sebacic acid to total alcohol is 1: (2-3); the molar ratio of the isooctyl alcohol (A) to the isononyl alcohol (B) to the isodecyl alcohol (C) is (0.01-2): (0.01-2): (0.01-2). The plasticizer composition disclosed by the invention can be used as a main plasticizer to be added into a PVC (Polyvinyl Chloride) material, and various asymmetric plasticizers coexist in the plasticizer composition, so that the integration of the plasticizers and PVC can be improved, the addition amount of the plasticizers in a PVC formula is increased, and the precipitation amount is extremely low. The plasticizer can be used as one of substitutes of traditional plasticizers, and even is a better improved product.

The invention discloses an environment-friendly multi-carbon alcohol fuel additive and a preparation method thereof. The preparation method comprises the steps of raw material pretreatment, catalytic conversion and separation, multi-carbon alcohol synthesis reaction, rectification purification, fuel additive compounding and the like. According to the invention, naphtha and methanol are used as compound raw materials, a denaturation additive is used as an auxiliary material, multi-carbon alcohol with low cost and high content is prepared by a specific process route, main components comprise isobutanol and isooctanol as core components, the main product multi-carbon alcohol can optimize the acting force between fuel oil molecules and promote fuel oil atomization, and the fuel oil atomization effect is improved. The multi-component (derived from the denatured additive) contained in the fuel oil additive has the effects of combustion supporting, dissolution assisting, oxidation resisting and octane number increasing, compatibility of all the components can be guaranteed, oxidative deterioration of the fuel oil is inhibited, the cleanliness, the dynamic property and the anti-knock property of the fuel oil are integrally improved, and emission is reduced.

The invention discloses a dibutyl / isooctyl / isononyl / isodecyl terephthalate plasticizer composition as well as a preparation method and application thereof, the dibutyl / isooctyl / isononyl / isodecyl terephthalate plasticizer composition is prepared from terephthalic acid, butanol (A), isooctyl alcohol (B), isononyl alcohol (C) and isodecyl alcohol (D) through esterification reaction, and the molar ratio of terephthalic acid to total alcohol is 1: (2-3); the molar ratio of the butanol (A) to the isooctyl alcohol (B) to the isononyl alcohol (C) to the isodecyl alcohol (D) is (0.01-3): (0.01-3): (0.01-3): (0.01-3). The raw materials used in the synthesis process of the plasticizer composition are safe, the synthesis procedures and steps are simple, the manufacturing cost is low, and the plasticizer composition is suitable for industrial processing production and can be used as a substitute of an orthophthalic plasticizer or even a better improved product.

The invention provides an efficient coal slime flotation collecting agent based on Guerbet alcohol and a preparation method of the efficient coal slime flotation collecting agent based on Guerbet alcohol. The flotation collecting agent comprises, by weight, 10-50 parts of Guerbet alcohol, 45-85 parts of liquid paraffin and 0-5 parts of an emulsifying agent. Wherein the Guerbet alcohol comprises at least one of 2-butyl-1-octanol, 2-hexyl-1-decanol, 2-octyl-1-dodecanol, and 2-decyl-1-tetradecanol, and at least one of the following components is selected from the group consisting of 1, 2, 4-trimethyl-1, 3-pentanediol and 1, 2, 4-trimethyl-1, 3-pentanediol. Non-polar liquid paraffin is matched with polar Guerbet alcohol, efficient adsorption on the surfaces of coal particles can be achieved, and efficient dispersion of collecting agent oil drops is achieved with the assistance of a small amount of emulsifier. According to the collecting agent, efficient flotation of micro-fine particle coal slime under the condition of low reagent dosage is achieved, the collecting performance is high, the selectivity is good, the clean coal yield, the combustible body recovery rate and the tail coal ash content can be remarkably increased, it is guaranteed that the clean coal ash content is qualified, and the collecting agent is convenient and safe to use, non-toxic, harmless and free of peculiar smell.

The invention provides a saline-alkali soil Fusarium oxysporum and application thereof, belongs to the technical field of development and utilization of microbial resources, and aims to solve the problems of high cost, low repeatability, lack of wild strains capable of efficiently synthesizing higher alcohols and the like in a higher alcohol chemical synthesis process. The invention provides a strain capable of efficiently fermenting and synthesizing various higher alcohols such as isoamyl alcohol, 2-methyl butanol, n-hexyl alcohol, n-propyl alcohol, sec-octyl alcohol, isobutanol, alpha-acorus calamus alcohol, phenethyl alcohol and the like, as well as ethyl acetate, isoamyl acetate, 2, 2, 4-trimethyl-1, 3, 4-triazole-1, 3-dione, 2, 3, 4-triazole-1, 3-dione and 2, 3, 4-triazole-1, 3-dione by utilizing PDA culture medium components. The invention relates to a salt-resistant, acid-resistant and alkali-resistant fungus strain KKFV1024 (Fusarium aromatic) of ester compounds such as 1, 3-pentanediol diisobutyrate, hexyl acetate, 2-methylbutyl acetate, ethyl phenylacetate and the like. The strain provided by the invention not only can effectively synthesize various higher alcohols and ester compounds, but also is short in fermentation time, low in cost, simple to operate and reusable.

The invention discloses a method for modifying white carbon black and application of the white carbon black in rubber vulcanization. The method comprises the following steps: oleic acid and isooctyl alcohol enter a reaction kettle through a metering tank; continuously heating the materials to 190-200 DEG C, and slowly vacuumizing after the materials are qualified by testing; heating to 205-215 DEG C after the vacuum reaches the limit, cooling to 75-85 DEG C after no alcohol is discharged, adding a hydrolytic agent sodium hydroxide (NaOH), vacuumizing, steaming water, heating to 120-140 DEG C, keeping the temperature for 1-2 hours, cooling to 60-80 DEG C, and circulating to a middle finished product tank; and filtering the material in a post-treatment kettle by a filter until the material is clear, and then compounding the material with zinc oxide according to a set proportion to obtain the white carbon black high dispersing agent HT85. When the synthesized modifier is applied to low-filling and high-filling white carbon black formulas, not only can the appearance of a mixed rubber material be improved, but also the scorching time of the rubber material can be prolonged.

The utility model relates to the technical field of production of butanol and octanol, and discloses an energy-saving device for producing butanol and octanol, which comprises a support frame and a reboiler shell, a thermal insulation sleeve is arranged in the middle of the reboiler shell, a connecting pipeline is arranged at the upper end of the reboiler shell, the support frame is arranged on the surface of the lower end of the reboiler shell, and the thermal insulation sleeve is connected with the connecting pipeline. The supporting frame comprises a supporting base, a supporting rod and a clamp, the supporting rod is fixedly connected to the surface of the bottom end of the supporting base, and the supporting base is installed at the lower end of the clamp. According to the energy-saving device for producing butanol and octanol, the clamping plate, the supporting base and the limiting frame are arranged, the limiting frame rotates on the surface of the supporting base, and therefore the position of the clamping plate can be determined, the clamping plate can clamp and fix a reboiler shell, the reboiler shell can be prevented from shaking, and the safety of the reboiler shell can be protected; therefore, the service time of the reboiler shell can be prolonged.

The application relates to an alcohol-based environment-friendly clean fuel and a preparation method thereof, and relates to the technical field of fuels.Taking weight parts as a basis, the alcohol-based environment-friendly clean fuel comprises the following components: 15-35 parts of methanol, 5-12 parts of ethanol, 2-5 parts of dimethylbenzene, 1-3 parts of benzene, 3-7 parts of 60-90 petroleum ether, 8-15 parts of a combustion improver, and 2-6 parts of an additive; the additive is prepared from oil and fat soap, polyoxoethylene sorbitan tetraoleate and Span 80; and the combustion improver is prepared from octanol, glycerol, isopropyl alcohol and acetone. By adding the specific additive and the specific combustion improver, the two are used in combination, the combustion stability of the alcohol-based environment-friendly clean fuel is improved, the combustion heat value of the alcohol-based environment-friendly clean fuel is improved, an alcohol-based environment-friendly clean fuel with stable combustion and high heat value is prepared, and the use demand in fields such as automobiles can be met.

The invention discloses a water-based metal cleaning agent as well as a preparation method and application thereof. The water-based metal cleaning agent comprises water, a preservative and the following preparation raw materials in percentage by mass: 0.1%-0.3% of a nonionic surfactant A, 4%-6% of a nonionic surfactant B, 0.2%-0.5% of isooctyl alcohol polyoxyethylene ether phosphate and 1%-3% of a chelating agent, the nonionic surfactant A is selected from at least one of nonylphenol polyoxyethylene ether and octylphenol polyoxyethylene ether, and the number of oxyethylene units in the molecular structure is 6-8; the nonionic surfactant B is selected from at least one of cocoanut fatty acid diethanolamide and cocoanut fatty acid monoethanolamide. The cleaning agent has excellent metal surface cleaning capability, good low-foaming property and easy rinsing property. The invention further provides a preparation method and application of the water-based metal cleaning agent.

A plasticizer and a method for manufacturing the plasticizer are provided. The method for manufacturing the plasticizer includes steps as follows: mixing a dicarboxylic acid, a diol, and a catalyst to form a reactant mixture; reacting the reactant mixture at a temperature ranging from 130° C. to 220° C. so as to form a semi-product; adding an endcapping alcohol into the semi-product at a temperature ranging from 205° C. to 220° C. so as to form a coarse plasticizer; purifying the coarse plasticizer under a pressure ranging from 760 Torr to 5 Torr so as to obtain the plasticizer. The dicarboxylic acid includes adipic acid. The diol includes a polyglycol and a saturated fatty alcohol. The endcapping alcohol includes isooctyl alcohol, isodecyl alcohol, or 2-propylheptanol. The dicarboxylic acid, the diol, and the endcapping alcohol have a molar ratio ranging from 1:0.6 to 0.9:0.3 to 0.6.

The invention discloses a diisooctyl / isononyl / isodecyl nylon acid plasticizer composition as well as a preparation method and application thereof, the diisooctyl / isononyl / isodecyl nylon acid plasticizer composition is prepared from nylon acid, isooctyl alcohol (A), isononyl alcohol (B) and isodecyl alcohol (C) through esterification reaction, and the molar ratio of the nylon acid to total alcohol is 1: (2-3); the molar ratio of the isooctyl alcohol (A) to the isononyl alcohol (B) to the isodecyl alcohol (C) is (0.01-2): (0.01-2): (0.01-2). The plasticizer composition disclosed by the invention can be used as a main plasticizer to be added into a PVC (Polyvinyl Chloride) material, and various asymmetric plasticizers coexist in the plasticizer composition, so that the integration of the plasticizers and PVC can be improved, the addition amount of the plasticizers in a PVC formula is increased, and the precipitation amount is extremely low. The plasticizer can be used as one of substitutes of traditional plasticizers, and even is a better improved product.