31 results about "Methyl polysiloxane" patented technology

This invention belongs to the field of organosilicon thermally conductive materials, and provides a liquid silicone rubber system for thermally conductive pads and its preparation method. The system comprises vinyl-terminated dimethyl polysiloxane, MQ / phenyl-enriched pre-crosslinked polysiloxane microgel, vinyltrimethoxysilane-modified hexagonal boron nitride, alumina, trimethylsilane-terminated dimethylsiloxane-methylhydrosiloxane copolymer, 1,3-divinyl-1,1,3,3-tetramethyldisiloxane zero-valent platinum complex, and 1-ethynyl-1-cyclohexanol, forming a two-component packaging. This system is advantageous in balancing thermal conductivity, electrical insulation, flowability, defoaming, softness and fit, and long-term stability, making it suitable for the preparation of thermally conductive pads.

The invention relates to the field of analytical chemistry, and particularly discloses a method for determining residual solvents N, N-dimethylformamide, dichloromethane, isopropanol, ethyl acetate, methyl tert-butyl ether, ethanol, acetone, tetrahydrofuran and ethylene glycol dimethyl ether in a litamilast raw material by adopting a headspace-gas chromatography method, and a method for determining residual solvents N, N-dimethylformamide, dichloromethane, isopropanol, ethyl acetate, methyl tert-butyl ether, ethanol, acetone, tetrahydrofuran and ethylene glycol dimethyl ether in a litamilast raw material by adopting a headspace-gas chromatography method. The method comprises the following steps of: detecting by using a capillary column with 6 percent of cyanopropyl phenyl-94 percent of dimethyl polysiloxane as a stationary liquid through headspace sample introduction gas chromatography and a flame ionization detector (FID). According to the method disclosed by the invention, nine residual solvents contained in the litamilast raw material can be completely separated in one system, the separation degree is greater than 1.5, the specificity is good, interference from blank solvents and other unknown impurities is avoided, the sensitivity is high, the detection accuracy is high, and the quality of litamilast can be effectively controlled.

The present invention aims to provide a silicone grease composition that offers excellent workability and oil bleed resistance, high thermal conductivity, and is less likely to scratch the substrate surface. [Solution] A thermally conductive silicone grease composition, (A) A methylpolysiloxane having three alkoxy groups at one end, represented by the following general formula (1), [Formula 1] TIFF2026049379000009.tif2670(in the formula, R 1 (where a is an alkyl group having 1 to 6 carbon atoms, and a is an integer between 10 and 100.) (B) Thermally conductive fillers having a Mohs hardness of 4 or less. A thermally conductive silicone grease composition characterized by comprising the following.

The invention belongs to the field of detection, and particularly relates to a quantitative detection method for benzene in an eltrombopag ethanolamine bulk drug. Comprising the following steps: respectively injecting a test solution and a reference solution into a gas chromatograph by adopting headspace sampling, recording a chromatogram, and carrying out quantitative analysis on the chromatogram by adopting an external standard method; wherein the detection conditions of the chromatography are as follows: a chromatographic column is a capillary column taking 6% of cyanopropyl phenyl-94% of dimethyl polysiloxane as a stationary liquid or a capillary chromatographic column with equivalent efficiency; the column temperature is programmed temperature rise: the initial temperature is 55-65 DEG C, the temperature is maintained for 3 minutes, the temperature is raised to 150 DEG C at the rate of 5 DEG C per minute, then the temperature is raised to 240 DEG C at the rate of 30 DEG C per minute, and the temperature is maintained for 5 minutes; the balance temperature of the headspace bottle is 90-100 DEG C, and the balance time is 20 minutes. The method has the advantages of strong specificity, high sensitivity and high accuracy, and can accurately quantify the benzene content in the preparation process of the eltrombopag ethanolamine bulk drug.

The present invention provides a foamable bath tablet containing the following components (A)-(D): (A) 30-50 wt% (inclusive) of (A1) sodium bicarbonate and / or (A2) sodium carbonate; (B) 25-45 wt% (inclusive) of an organic acid; (C) polyethylene glycol having a molecular weight of 1000 or more; 0.1 wt% or more of (D) one or more liquid oily components selected from the group consisting of isopropyl myristate, isopropyl palmitate, and dimethyl polysiloxane, and the weight ratio of the total content of component (C) and component (D) to the total content of component (A) and component (B), [(C) + (D)] / [(A) + (B)], is 0.14 or more. The total content of the liquid components is 0.15% by weight or more and 1.05% by weight or less.

The invention relates to a wear-resistant industrial coating and a manufacturing method thereof, and belongs to the technical field of coatings, and the coating comprises the following components: modified epoxy resin liquid, modified phenolic resin liquid, zirconium boride powder, silicon carbide powder, hexagonal boron nitride powder, flaky zinc-aluminum alloy powder, methylhexahydrophthalic anhydride, hexamethoxymethyl melamine and the like. The modified epoxy resin liquid is obtained by modifying hydrogenated bisphenol A epoxy resin with hydroxyl-terminated trifluoropropyl methyl polysiloxane; the modified phenolic resin liquid is obtained by etherifying linear phenolic resin and then mixing the etherified linear phenolic resin with soluble polyimide powder. According to the invention, a composite base material formed by hydrogenated epoxy resin and phenolic resin is combined with silicon-fluorine modification and polyimide enhancement technologies, so that the coating has strong adhesive force of epoxy resin and high temperature resistance of phenolic resin, can still keep chemical binding force with a metal substrate in a high-temperature environment, is matched with functional filler for use, and is low in increment after temperature resistance and good in heat resistance. A wear-resistant system with a hard framework and soft lubrication is formed, and corrosion resistance is achieved.

The invention discloses a high-toughness paraffin material and a preparation method thereof, and relates to the technical field of paraffin. The preparation method comprises the following steps: firstly, carrying out esterification reaction on carboxyl of the reverse oleic acid and hydroxyl of the hydroxyl-terminated dimethyl polysiloxane to generate an unsaturated organic silicon intermediate, enabling the intermediate to have excellent toughness due to the existence of the generated ester group and a Si-O-Si chain segment, and providing active sites by introducing double bonds so as to be convenient for subsequent grafting; secondly, the intermediate and paraffin are subjected to reactive blending, under initiation of peroxide, the intermediate is crosslinked and grafted with a paraffin interface, and the toughness of the prepared modified paraffin material is greatly improved; meanwhile, the grafting of the PDMS chain segment in the intermediate can destroy the original regular structure of the paraffin crystal and cause the reduction of the crystallinity, so that the melting point of the paraffin is reduced, the paraffin has a wider melting range, and the melting effect of the paraffin at 40-60 DEG C is improved. The prepared paraffin material has the effects of being high in toughness and easy to melt.

We provide metal oxides with excellent hydrophobicity and a surface treatment that allows for global use. [Solution] A surface-treated metal oxide in which a metal oxide has been surface-treated with dimethylpolysiloxane, wherein the dimethylpolysiloxane has a kinematic viscosity of 50 to 500 mm at 25°C. 2 The surface-treated metal oxide is characterized by having a coefficient of / s and an oil absorption rate of 20 ml / 100 g or less.

This application relates to the field of automotive care chemicals, specifically disclosing a stain-removing automotive wax and its preparation method. The stain-removing automotive wax comprises the following raw materials in parts by weight: 14-18 parts of anti-fouling component, 18-23 parts of stain-removing gel, 9-11 parts of composite wax, 13-15 parts of emulsion, 10-13 parts of composite oil, 3-5 parts of emulsifier, 8-10 parts of thickener, and 5-8 parts of water; the anti-fouling component comprises fluoropropyl methylpolysiloxane-modified acrylate and titanium dioxide-modified mica powder in a mass ratio of 1:0.2-0.3. This application improves the stain-removing and anti-fouling performance of the automotive stain-removing wax, extending the service life and aesthetics of the automotive paint surface.

This product provides a water-in-oil emulsion cosmetic that does not slip during application, forms a uniform cosmetic film, and exhibits excellent emulsification stability. [Solution] The following components (A) to (E); (A) Volatile hydrocarbon oils (B) One or more selected from dimethylpolysiloxane and disiloxane (C) Ethanol (D) Metal oxides (E) Nonionic surfactants (F)Water An oil-in-oil emulsion cosmetic containing the following, wherein the mass ratio of component (A) to component (B) is (A) / (B) = 0.1 to 10.

The invention belongs to the technical field of high polymer materials, and relates to a flame-retardant epoxy resin casting material and a preparation method thereof. The invention provides a preparation method of a flame-retardant epoxy resin casting material, which comprises the following steps: dissolving dimethyl polysiloxane in a lipophilic solvent, then dropwise adding onto aluminum oxide powder while stirring, and heating in a nitrogen atmosphere to obtain PDMS (Polydimethylsiloxane) modified aluminum oxide; mixing epoxy resin and silica powder in vacuum to obtain a resin mixture; mixing silane coupling agent modified DOPO, the PDMS modified aluminum oxide and an anhydride curing agent in vacuum to prepare a curing agent mixture; and performing vacuum mixing on the resin mixture and the curing agent mixture to obtain the castable. The PDMS modified aluminum oxide and the silane coupling agent modified DOPO are adopted, so that the electrical performance and the mechanical performance of the flame-retardant epoxy resin casting material are synergistically improved.

The application belongs to the technical field of analysis and detection, and particularly relates to a gas chromatography detection method of roxifurine, which adopts gas chromatography to detect roxifurine samples, wherein the stationary liquid of the chromatographic column is 5% diphenyl-95% dimethyl polysiloxane; and the detector is a hydrogen flame ionization detector. The detection method has strong specificity, good stability, good separation effect of roxifurine and impurities, and can meet the detection requirements and quality control of roxifurine.

A thermally conductive polysiloxane composition includes (A) a thermally conductive filler and (B) one or more compounds selected from an alkoxysilyl group-containing compound and a dimethylpolysiloxane, wherein: component (A) includes (A-1) round, indefinite-shaped or polyhedral aluminum nitride particles having an average particle diameter of from 50 μm to 150 μm and (A-2) round, indefinite-shaped or polyhedral aluminum nitride particles having an average particle diameter of 10 μm or more but less than 50 μm in an amount of from 20% by mass to 100% by mass relative to the total amount of component (A); and the content ratio of component (A-1) to component (A-2) is from 50:50 to 95:5 on a mass basis.

This invention discloses a biomimetic fish scale composite coating with lubrication and drag reduction properties and its preparation method. The method includes the following steps: (1) mixing deionized water, Tween 80, dimethyl silicone oil, and isophorone diisocyanate, emulsifying them in an ice-water bath to form an emulsion; heating, adding ethylenediamine to the emulsion under nitrogen atmosphere, and obtaining polyurea microcapsules through a polyurea synthesis reaction; (2) mixing hydroxyl-terminated trifluoropropylmethyl polysiloxane, isophorone diisocyanate, dibutyltin dilaurate, and polyurea microcapsules evenly, coating them onto a substrate, vacuuming to semi-solidification at room temperature, then spraying a silica acetone solution, continuing to cure, and immersing in dimethyl silicone oil after complete curing to obtain the biomimetic fish scale composite coating with lubrication and drag reduction properties. The composite coating obtained by this invention has excellent anti-corrosion and color-changing properties. At the same time, the composite coating also has good lubrication and drag reduction properties and can be used as a drag reduction material for ships.

The application provides a preparation method of an addition type high-temperature-resistant organic adhesive, which comprises the following steps: S1, mixing end-vinyl dimethyl polysiloxane and 3-glycidyl ether oxypropyl trimethoxysilane to obtain a matrix composition; S2, adding a silicone resin and / or a filler to the matrix composition, and uniformly mixing the same by mechanical stirring and ultrasonic to obtain a uniformly dispersed mixed system; S3, after degassing, adding a crosslinking agent to the mixed system obtained in step S2, uniformly mixing, adding a platinum catalyst, and again degassing, so that the addition type high-temperature-resistant organic silicone adhesive is obtained. The organic adhesive of the application can form a relatively stable three-dimensional crosslinked structure after curing, exhibits adjustable 180° peeling adhesive force and thermal stability, and is suitable for reliable bonding of chip packaging and other electronic devices under high-temperature conditions.

This thermally conductive silicone composition comprises a matrix resin component and thermally conductive inorganic particles, wherein the matrix resin component includes (A) an unreactive liquid dimethylpolysiloxane having a kinematic viscosity of 100-10,000 mm2 / s at 25°C, and (B) a preliminarily crosslinked silicone gel crosslinked product, wherein: 40-97 mass% of the unreactive liquid dimethylpolysiloxane (A) and 3-60 mass% of the silicone gel crosslinked product (B) are contained with respect to 100 mass% of the matrix resin component; and 81-97 mass% of the thermally conductive inorganic particles are contained with respect to 100 mass% of the composition. As a result, the present invention provides: a thermally conductive silicone composition which does not deviate from a mounting position even when a thermal shock is applied to a semiconductor device and is capable of sufficiently maintaining thermal conductivity; and a method for producing same.

The invention provides a method for separating and quantifying impurities in diethyl methylphosphonite. The method comprises the following steps: respectively dissolving a sample to be detected and an impurity standard substance in a solvent; a gas chromatograph is adopted for analysis, and chromatographic conditions are as follows: a chromatographic column is a capillary chromatographic column with a bonded and crosslinked 100% dimethyl polysiloxane filler as a stationary phase; the temperature of a sample inlet is 250-300 DEG C; the initial temperature ranges from 50 DEG C to 70 DEG C, and the temperature is kept for 1-2 min; the temperature is raised to 120-180 DEG C at the speed of 10-15 DEG C / min and kept for 1-5 min, and the temperature is raised to 200-250 DEG C at the speed of 15-20 DEG C The carrier gas is nitrogen, the flow velocity is 1-5ml / min, and the impurity content of the sample to be detected is calculated through an area normalization method or an external standard curve method. The detection method provided by the invention is efficient, simple, convenient, rapid, accurate and low in cost, and can be used for reaction monitoring and quality control in the production process of diethyl methylphosphonite.

The invention provides a method for detecting the content of methanol in liquid essence, and belongs to the field of pharmaceutical analysis. According to the method, a capillary column method is adopted, dimethyl polysiloxane is taken as a stationary phase, headspace sampling is carried out, and the content of methanol is calculated by peak area according to an external standard method. Compared with the prior art, the method has the advantages of high specificity, good reproducibility, high sensitivity and the like.

The present invention also addresses the problem of providing a dispersion liquid, a composition and a cosmetic each containing the dimethylpolysiloxane-coated metal oxide particles. The present invention also addresses the problem of providing a method for producing the dimethylpolysiloxane-coated metal oxide particles. The present invention relates to: polysiloxane-coated metal oxide particles, in which the surfaces of metal oxide particles are coated with dimethylpolysiloxane, and which have a hydroxyl group detection ratio of 10% or less; and a method for producing polysiloxane-coated metal oxide particles, the method comprising a surface treatment step for mixing metal oxide particles with dimethylpolysiloxane having a kinematic viscosity of 500 mm2 / s to 4000 mm2 / s inclusive at 25° C., without using a solvent, to coat the surfaces of the metal oxide particles with the dimethylpolysiloxane and a step for subjecting the dimethylpolysiloxane-coated metal oxide particles to a heat treatment at 250° C. to 380° C. inclusive.

The invention relates to the field of intelligent voice accessories, and discloses a silica gel vibrating diaphragm, a preparation process thereof and application of the silica gel vibrating diaphragm in a loudspeaker. The silica gel vibrating diaphragm is prepared from liquid silica gel materials of a component A and a component B, wherein the component A comprises 65-85 parts of vinyl silicone oil, 20-30 parts of methyl vinyl MQ silicon resin, 12-18 parts of a vinyl silane mixture, 15-25 parts of silicon dioxide, 4-8 parts of an elastic aid, 0.1-0.3 part of a platinum catalyst and 0.05-0.12 part of an inhibitor; the component B comprises the following components in parts by weight: 40-60 parts of vinyl silicone oil, 8-15 parts of hydrogen-containing silicone oil, 10-20 parts of silicon dioxide and 2-4 parts of hydroxyl silicone oil; and the vinyl silane mixture is composed of a trimethyl-terminated vinyl methyl-dimethyl polysiloxane copolymer, 1, 3, 5,-trivinyl-1, 3, 5-trimethylcyclotrisiloxane, and vinyl tri-butanone dirty-based silane. The loudspeaker has the advantages of being good in elasticity and sealing performance, good in vibration performance when applied to the loudspeaker and not prone to audio distortion.

The present application relates to a kind of abrasion-resistant industrial coating and its manufacturing method, belong to the field of coating technology, coating component includes modified epoxy resin liquid, modified phenolic resin liquid, boron zirconium powder, silicon carbide powder, hexagonal boron nitride powder, flaky zinc-aluminum alloy powder, methyl hexahydrophthalic anhydride, hexamethoxymethyl melamine etc.Modified epoxy resin liquid is hydrogenated bisphenol A type epoxy resin by hydroxyl end-capped trifluoropropyl methyl polysiloxane modification obtains;Modified phenolic resin liquid is linear phenolic resin etherization, and mixed with soluble polyimide powder to obtain.The present application uses the composite base material formed by hydrogenated epoxy resin and phenolic resin, combines silicon fluoride modification and polyimide enhancement technology, so that coating has the strong adhesion of epoxy resin and the high temperature resistance of phenolic resin, can still maintain the chemical bonding force with metal base material under high temperature environment, cooperates with functional filler, and the increment is low after temperature resistance, forms the abrasion-resistant system of " hard skeleton + soft lubrication ", and is corrosion resistant.

The invention discloses a method for detecting the content of hexachlorodisiloxane and hexachlorodisilane in chlorosilane, and belongs to the technical field of polycrystalline silicon production byproduct detection, and the method comprises the following steps: selecting a thermal conductivity detector as a gas chromatograph detector, selecting hydrogen as carrier gas, and selecting a 5 + / -0.1 m polydimethylpolysiloxane packed column as a chromatographic column; the flow rate of the carrier gas is set to be 30 + / -5 mL / min, and the temperature rise procedure of the chromatographic column temperature is as follows: balancing for 4 minutes at 60 + / -5 DEG C, then heating to 150 + / -5 DEG C at the temperature rise rate of 8-10 DEG C / min, and balancing for 5 minutes; preparing a chlorosilane standard mixed solution; recording the peak areas of the hexachlorodisiloxane and the hexachlorodisilane standard solution in the chlorosilane standard mixed solution; recording the peak areas of hexachlorodisiloxane and hexachlorodisilane in the chlorosilane; and calculating the contents of hexachlorodisiloxane and hexachlorodisilane. The method provided by the invention can effectively separate and quantify hexachlorodisiloxane and hexachlorodisilane in the polycrystalline silicon production by-products.

An intermediate transfer body includes a semiconductive layer containing at least one resin selected from the group consisting of a polyimide resin, a polyamideimide resin, an aromatic polyether ether ketone resin, a polyphenylene sulfide resin, and a polyetherimide resin, conductive carbon particles, and at least one silicone oil selected from the group consisting of dimethyl polysiloxane and an organic group-substituted dimethyl polysiloxane, in which a number of conductive paths calculated based on three-dimensional structural analysis of a cross section of the semiconductive layer in a thickness direction is 110 or more, and a value obtained by subtracting a volume resistivity ρv (log Ω·cm) of the semiconductive layer from a surface resistivity ρs (log Ω / □) of the semiconductive layer is 1.5 or more and 2.0 or less.

The application discloses a characteristic chromatogram construction method and identification method of Senecae Scandentae, its decoction pieces, standard decoction and formula granules, and relates to the technical field of traditional Chinese medicine identification. The characteristic chromatogram construction method comprises the following steps: methanol is used to extract the to-be-detected sample to obtain a test sample solution; methanol is used to dissolve 5-caffeoylquinic acid, chlorogenic acid, caffeic acid, 4-caffeoylquinic acid, rutin, hyperoside, isoquercitrin and 4,5-dicaffeoylquinic acid as a control sample solution; and a liquid chromatograph is used for determination. The chromatographic column of the liquid chromatograph uses phenyl-methyl polysiloxane as a stationary phase, acetonitrile as a mobile phase A and 0.05vol%-0.3vol% methanoic acid aqueous solution as a mobile phase B for gradient elution. The characteristic chromatogram constructed by the application is rich in information and can quickly and comprehensively reflect the quality of Senecae Scandentae, its decoction pieces, standard decoction and formula granules.

This invention provides a high-temperature expansion thermal insulation composite material, its preparation method, and its application. The composite material comprises the following parts by weight: 30-50 parts of functionalized acrylate emulsion, 25-40 parts of expandable graphite, 45-60 parts of flame retardant, 15-25 parts of nano-inorganic filler, 1.5-2.5 parts of alkylphenol polyoxyethylene ether phosphate diester salt, 1-2 parts of dimethyl polysiloxane, 15-35 parts of water, and a substrate: a protective film layer. This invention uses functionalized acrylate emulsion as the matrix and, through innovative multi-component composite system, achieves multi-mechanism flame retardant and fireproof effects, ultimately obtaining a high-strength, high-fireproof, and high-thermal-insulation high-temperature expansion thermal insulation composite material. During use, this composite material can adhere well to the top cover and base of a lithium-ion battery casing, placed within the inner layer of the battery casing. It can be composited with unsaturated resin systems or interlayers to prepare battery casing composite materials, reducing vehicle weight, replacing aluminum alloy battery casings, and meeting the fireproof requirements of new energy vehicle battery casings.

The invention relates to the technical field of medicine component analysis, in particular to an analysis method for determining a thiazolidine impurity in tigliptin hydrobromide, which adopts gas chromatography for detection and comprises the following steps: a chromatographic column takes 5% diphenyl-1% vinylbenzene-94% dimethyl polysiloxane or substances with similar polarity as a stationary liquid; the initial temperature is 50-150 DEG C, the temperature is maintained for 5-15 minutes, then the temperature is increased to 300-360 DEG C at the speed of 10-30 DEG C per minute, and the temperature is maintained for 5-25 minutes; the temperature of a sample inlet is 280-340 DEG C; the temperature of the detector is 305-365 DEG C; the sample injection volume is 1-5 [mu] l; the flow velocity of the carrier gas is 2-5ml per minute; the split ratio is (15: 1)-(25: 1); the tetrahydrothiazole impurity has a basic toxicity warning structure, and the content of the tetrahydrothiazole impurity is directly related to the medication safety of the tigliptin hydrobromide, so that the content of the impurity in the tigliptin hydrobromide can be accurately determined, the level of the harmful impurity in the raw material medicine can be effectively monitored, the medication risk possibly caused by excessive impurity is avoided from a quality control link, and the safety of the quality control link is improved. The medication safety of patients is ensured.

The invention relates to the field of sealing materials and preparation, in particular to an anti-aging silica gel sealing element and a preparation method thereof. The composition is composed of the following raw materials in percentage by weight: 15-35% of silicon dioxide; 60 to 80% of polysiloxane; 1 to 5% of dimethyl polysiloxane; the balance is a vulcanizing agent; the polysiloxane is prepared from vinyl type polysiloxane, polyhedral oligomeric silsesquioxane, cyclic polysiloxane, linear-functionalized silicone oil and branched / oligomeric polysiloxane; the polysiloxane is prepared from vinyl type polysiloxane, polyhedral oligomeric silsesquioxane, cyclic polysiloxane, linear-functionalized silicone oil and branched / oligomeric polysiloxane; the linear-functionalized silicone oil is epoxy phenyl silicone oil and / or phenyl silicone oil containing hydrogen on the end side; the polyhedral oligomeric silsesquioxane is prepared from acrylic ester type polyhedral oligomeric silsesquioxane and silanol type polyhedral oligomeric silsesquioxane; the raw materials in polysiloxane are compounded according to a specific ratio to form a synergistic effect of main chain support-branch chain function-crosslinking reinforcement, a multi-mechanism crosslinking system is constructed, the network compactness and the structural stability are improved, and the sealing performance and the aging resistance of the sealing element are enhanced.

The application relates to the technical field of preservative films, and discloses a high-molecular preservative film for food preservation and a preparation process thereof. The prepared preservative film is added with antibacterial fillers and high-temperature-resistant fillers and the like additives, so that the preservative film has excellent antibacterial performance and high-temperature-resistant performance. The antibacterial fillers are prepared by introducing curcumin into a vinyl-terminated dimethyl polysiloxane molecular chain, the curcumin is used as a natural antibacterial agent, and the introduction of the curcumin into the vinyl-terminated dimethyl polysiloxane molecular chain can avoid decomposition of the curcumin in a high-temperature environment. The high-temperature-resistant fillers are prepared by graft polymerization of 6-methyl-1,3,5-triazine-2,4-diamine and dodecanedioic acid on the surface of kaolin, the triazine ring contained in the high-temperature-resistant fillers has excellent thermal stability, meanwhile, the lamellar structure of the kaolin can form a physical barrier, and the high-temperature-resistant fillers can improve the high-temperature-resistant performance and mechanical properties of the matrix.

An intermediate transfer body, a transfer unit, and an image forming apparatus, the intermediate transfer body having a semiconductive layer containing at least one resin selected from the group consisting of a polyimide resin, a polyamide-imide resin, an aromatic polyether ether ketone resin, a polyphenylene sulfide resin, and a polyetherimide resin; conductive carbon particles; and at least one silicone oil selected from the group consisting of dimethylpolysiloxane and an organic group-substituted body of dimethylpolysiloxane, the number of conductive paths calculated from a three-dimensional structure analysis of a cross section in the thickness direction of the semiconductive layer is 110 or more, and a value obtained by subtracting a volume resistivity pv (logΩ·cm) of the semiconductive layer from a surface resistivity ps (logΩ / □) of the semiconductive layer is 1.5 or more and 2.0 or less.