1978 results about "Alkoxy group" patented technology

Monoorgano tin trialkoxide compounds having chemical formula R'SnX3 and containing less than about 5 mol% R'2SnX2are described. R' is an optionally substituted organic substituent having about 1 to about 20 carbon atoms and each X is independently ORf, wherein Rf is a fluorinated organic substituent having about 1 to about 20 carbon atoms. Methods for synthesizing and purifying these compounds are also provided. The monoorgano tin compounds may be used for the formation of high-resolution EUV lithography patterning precursors and are attractive due to their high purity and minimal concentration of diorgano tin impurities.

The application belongs to the technical field of pesticides, and particularly relates to a pyridylalanine derivative, a composition thereof and a use thereof. The compound is shown in the general formula I: wherein X1 represents hydrogen or fluorine, X2 represents hydrogen or fluorine, X3 represents hydrogen or fluorine, X4 represents hydrogen or fluorine, and X1, X2, X3 and X4 are not hydrogen at the same time; R1 and R2 independently represent hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl or -(CO)R3; Y1 represents hydroxyl, alkoxyalkyloxy, trialkylsilyloxy or -O(CO)R3; Y2 represents hydrogen or alkyl; or Y1 and Y2 together form =O. The compound has excellent control effects on pests such as Myzus persicae, Lygus lineolaris, Rhopalosiphum maidis and Bemisia tabaci.

A multifunctional organosilicon compound is provided which has the general formula XSi([OSiR2]p-0-SiR2Y)a(R1)3-a— ln the formula, X is selected from H and ethylenically un saturated moieties; each Y independently comprises a functional moiety selected from alkoxysilyl moieties, acryloxy moieties, and epoxide moieties; each R is an independently selected hydrocarbyl group; each R1 is an independently selected hydrocarbyl group; subscript a is 1, 2, or 3; and each subscript b is independently 0, 1, or 2. A method of preparing the multifunctional organosilicon compound is also provided. The method comprises reacting (A) an organosilanol compound and (B) a silane compound having at least two hydrolysable groups. A functionalized siloxane compound prepared from the multifunctional organosilicon compound, a method of preparing the functionalized siloxane compound, and an adhesive comprising the functionalized siloxane compound are also provided.

Disclosed is a liquid crystal composition. The liquid crystal composition includes liquid crystal molecules including at least one of a liquid crystal compound having an alkenyl group and a liquid crystal compound having an alkoxy group, and a first stabilizer including a compound having a structure represented by Formula 1:where n is 0 or 1; m is 0 or 1; k is 0 or 1; Z1, Z2, and Z3 are each independently a single bond, —C═C—, —OCO—, —COO—, —CF2O—, or a C1 to C5 alkylene group; X1, X2, X3, and X4 are each independently hydrogen or halogen; Y is hydrogen, an alkylene group, an alkoxy group, a hydroxyl group, —NHCOCH3, or ═O; and A and B are cyclic compounds.

To provide a carbon dioxide absorbent composition having high absorption performance and a long lifetime.SOLUTION: A composition comprises: a compound (A) represented by the general formula (1) in the figure [where R1 to R6 each independently represent a hydrogen atom, or an alkyl or alkoxy group having 1 to 4 carbon atoms, and a, b and c each independently represent 0 or 1]; and an antioxidant (B).SELECTED DRAWING: None

The invention discloses a palladium catalyst as well as a preparation method and application thereof. The structural formula of the palladium catalyst is shown as a formula (I), according to the invention, an alkoxy group is introduced into the skeleton of the palladium catalyst and N-methylimidazole is coordinated with palladium, so that the catalytic yield of the palladium catalyst is effectively improved, and long-chain alkyl polyarylamine with high molecular weight and narrow distribution is obtained; the method does not need to use a traditional phosphine ligand, avoids potential hazards of phosphine compounds to operators and the environment in the use process, and is expected to be industrially applied on a large scale due to the fact that the phosphine compounds are stable to air and moisture and can be stored for a long time.

The invention relates to a method for catalytically degrading a polyester material by using an ionic liquid and application of the polyester material, and mainly solves the technical problems of high energy consumption, environment unfriendliness and complex process in polyester material recovery research in the prior art. According to the technical scheme, the novel method for catalytically degrading the polyester material through the ionic liquid comprises the steps that the ionic liquid is used as a catalyst, diol is used as an alcoholysis agent, polyester is catalytically degraded, and the ionic liquid has the following general formula: A + B-(I); in the formula, A < + > is an organic alkali cation, and B <-> is an alkoxy anion, the problem is well solved, and the method can be applied to polyester recovery industry.

A polycarbonate resin including a unit of Chemical Formula 1 and a unit of Chemical Formula 2, a method for preparing the same, a polycarbonate resin composition including the same, and a molded article are disclosed herein:Ar1 and Ar2 are independently an aryl group, or a heteroaryl group, R1 is hydrogen, deuterium, a halogen group, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a silyl group, an aryl group, or a heteroaryl group, R2 and R3 are different from each other, r1 is 1 or 2, r2 and r3 are each an integer from 1 to 4, L1 and L2 are independently an arylene group, X1 to X8 are independently O or S, Z1 to Z4 are independently an alkylene group, or a cycloalkylene group, and a, b, c and d are independently an integer from 1 to 10.

The invention discloses a boron-nitrogen compound, a preparation method thereof and an organic electroluminescent device prepared from the boron-nitrogen compound. The structural formula of the boron-nitrogen compound is # imgabs0, R1 to R8 are independently one of H, alkyl of C1 to C16, naphthenic base of C3 to C20, aryl of C6 to C30, aryl of C6 to C18 substituted by single or multiple Ra, heteroaryl of 5 to 18 membered and heteroaryl of 5 to 18 membered substituted by single or multiple Ra, and Ra is one of deuterium, fluorine, alkyl of C1 to C12, alkoxy of C1 to C12, naphthenic base of C3 to C12 and aryl of C6 to C14. The electroluminescent device made of the boron-nitrogen compound as a luminescent layer material can realize narrow spectrum emission, the electroluminescent external quantum efficiency of the device exceeds 10%, the service life of the device exceeds 300 h, the luminous efficiency and the stability are greatly improved, and the boron-nitrogen compound is suitable for an OLED (Organic Light Emitting Diode) display.

A method of making a curable thermally conductive composition, comprising the steps of: I) preparing an admixture comprising the following components (A1) an alkenyl-functional polyorganosiloxane of formula (I), (A2) a silyl-hydride functional polyorganosiloxane having an average of at least two silicon atom-bonded hydrogen atoms per molecule and free of a silicon atom-bonded alkyloxy group, (A3) a platinum-based hydrosilylation reaction catalyst, (B) from 92 to 97 weight percent of a thermally conductive filler, based on the weight of the curable thermally conductive composition; and (C) a monotrialkoxysiloxy-terminated polydiorganosiloxane of formula (III), where the silyl-hydride functional polyorganosiloxane is present in an amount to provide a molar ratio of silicon atom-bonded hydrogen atoms in the silyl-hydride functional polyorganosiloxane (A2) to alkenyl groups in the alkenyl-functional polyorganosiloxane (A1) in a range of from 0.2 to 0.65; where the monotrialkoxysiloxy-terminated polydiorganosiloxane is present in an amount of from 20 to 80 weight percent, based on the combined weights of components (A1), (A2), (A3), and (C); II) curing the admixture obtained from step I) by heat, thereby forming a pre-cured composite; and III) admixing the pre-cured composite obtained from step II) with (D) a condensation reaction catalyst and (E) a specific alkoxysilane compound of formula (V); thereby obtaining the curable thermally conductive composition.

The invention provides an organic compound and application thereof, the boron-containing organic compound has a structure as shown in formula (1), Z1, Z2, Z3, Z4 and Z5 are respectively and independently CR01 or N, ring A and ring D respectively represent ring structures in fused connection, and a dotted line represents a position of an optional fused bond; ring B is fused through positions Z3 and Z4 or Z4 and Z5; the ring A, the ring B and the ring D are respectively and independently selected from one of an unsubstituted or R ''substituted C6-C60 aromatic ring and an unsubstituted or R'' substituted C3-C60 heteroaromatic ring; the ring A and the ring D are not connected or are connected through a chemical bond; r1 and R2 are respectively and independently one of hydrogen, unsubstituted or R ''substituted C1-C20 straight chain or branched chain alkyl, unsubstituted or R'' substituted C3-C20 cycloalkyl, unsubstituted or R ''substituted C4-C20 alkylsilyl, unsubstituted or R'' substituted C1-C20 alkoxy, unsubstituted or R ''substituted C6-C60 aryl, and unsubstituted or R'' substituted C3-C60 heteroaryl; r1 and R2 are not connected into a ring through a chemical bond, and at least one of R1 and R2 is selected from one of unsubstituted or R ''substituted C6-C60 aryl and unsubstituted or R'' substituted C3-C60 heteroaryl; and X is selected from the group consisting of CR11R12, SiR13R14 or N-Ar1. The compound disclosed by the invention has the properties of multiple resonance molecules and conjugated molecules, namely has a narrow fluorescence emission spectrum and high quantum efficiency, and can effectively improve the luminous efficiency and prolong the service life of an organic electroluminescent device when being applied to the organic electroluminescent device. # imgabs0 #

The invention provides an organic silicon pouring sealant for a new energy automobile heater and a preparation method thereof, the organic silicon pouring sealant comprises a component A and a component B, the mass ratio of the component A to the component B is 1: 0.9-1.1; the component A comprises the following components in percentage by mass: 35%-45% of double-end vinyl silicone oil; 3-5% of modified silicone oil; 10%-20% of spherical silica powder; 35-45% of aluminum hydroxide; 0.1%-0.3% of fumed silica; 1%-2% of a molecular sieve; 0.3%-0.5% of a platinum catalyst; 0.1%-0.3% of carbon black; wherein the modified silicone oil is vinyl alkoxy terminated silicone oil. According to the technical scheme provided by the invention, hydroxyl silicone oil is subjected to alkoxy and vinyl end-capping modification, so that the organic silicon pouring sealant can form good bonding sealing with an aluminum alloy matrix and an electronic component when being cured at normal temperature, does not have obvious smell, and is convenient to use.

The invention provides a fluorosilane modified gemini surfactant and a preparation method thereof, a resistance reducing agent and a preparation method thereof, and a polymer fracturing fluid. The fluorosilane modified gemini surfactant has a structure as shown in a formula I, wherein R1 is selected from one or a combination of more than two of saturated alkyl, alkylaryl, alkylalkyloxy, alkylacyl and unsaturated alkyl with 1-8 carbons, and R2 is selected from one or a combination of more than two of alkyl, alkylaryl, alkylalkyloxy, alkylacyl and unsaturated alkyl with 1-8 carbons; (CF2) the number of n in n is 1 to 18; x <-> is Br <-> and / or I <->; and R2 is selected from one or a combination of more than two of straight-chain saturated alkyl, branched-chain saturated alkyl, alkylaryl, alkylalkoxy, alkyl ester group and unsaturated alkyl with 1-8 carbons. According to the invention, the fluorosilane modified gemini surfactant is used as a hydrophobic monomer of the resistance reducing agent, so that the synthesized resistance reducing agent has a single-head and double-tail gemini surfactant structure, the tackifying and sand-carrying capabilities are improved, and the surface and interface tension of a gel breaking solution and reservoir rocks is reduced.

The invention discloses a mildew-proof cosmetic alcohol-permeable adhesive and a preparation process thereof, and relates to the technical field of dealcoholized silicone adhesives, the mildew-proof cosmetic alcohol-permeable adhesive comprises the following components: 80-100 parts of alkoxy-terminated polydimethylsiloxane, 7-20 parts of a plasticizer, 6-18 parts of a filler, 0.6-3.5 parts of fumed silica, 5-15 parts of a cross-linking agent, 1.2-2.0 parts of a mildew-proof agent, and 0.2-2.5 parts of a catalyst. According to the invention, alkoxy-terminated polydimethylsiloxane is used as a main component, siloxane is used as a cross-linking agent, and a plasticizer and a filler are added to prepare the alcohol-permeable adhesive. Morpholinyl siloxane and ammonium chloride siloxane can be selectively added into the cross-linking agent, quaternized modified silicone oil and a synergistic mildew inhibitor are added into the plasticizer, so that the alcohol-permeable adhesive can play antibacterial and mildew-proof effects, has relatively good broad-spectrum and rapid bactericidal activity and thermal stability, and also has a lasting mildew-proof effect in a humid environment.

According to the alkoxy magnesium carrier Ziegler-Natta catalyst and the preparation method thereof, alkoxy magnesium is activated and then loaded with titanium, fluorene diether is selected as an internal electron donor, the obtained catalyst is subjected to post-treatment, and finally the alkoxy magnesium carrier Ziegler-Natta catalyst with excellent performance is prepared. The raw material utilization rate is higher, the adding amount of required titanium tetrachloride is smaller, the steps are simpler, the preparation conditions are mild, the isotactic index of the prepared homo-polypropylene is higher, and the activity of the prepared catalyst is higher.

The invention discloses a production method of water-resistant spherical silica gel for a catalyst carrier, and belongs to the technical field of new silica gel materials. The method comprises the following steps: taking a sodium silicate aqueous solution or alkoxy silane as a silicon source, mixing the silicon source with a template agent according to a mass ratio of 100: (1-10), adding nano silicon dioxide, and carrying out ultrasonic dispersion to obtain uniform sol; mixing the sol and a non-polar organic solvent according to a volume ratio of 1: (3-8) to form an oil-in-water emulsion, and dropwise adding a promoting solution to form microspheres with an average particle size of 400 [mu] m; mixing the microspheres with a pore expanding agent according to a mass ratio of 1: (8-15), and carrying out hydrothermal reaction to obtain a skeleton; reacting the skeleton with a silicon-based modifier according to a mass ratio of 10: (0.2-1.5); activating by hydrofluoric acid, and grafting a bifunctional coupling agent on the surface; supercritical extraction and thermal activation treatment. The specific surface area of the prepared silica gel is 492.7-533.0 m < 2 > / g, the pore volume is 0.83-1.04 cm < 3 > / g, the pore diameter is 8.2-10.9 nm, the water-resistant strength retention rate is 90.8-94.4%, the compressive strength is 10.7-12.6 MPa, the particle size variation coefficient is 3.1-4.3%, compared with traditional silica gel, the specific surface area of the silica gel is remarkably improved, and the silica gel is suitable for the field of wet catalysis.

The invention provides a non-aqueous electrolyte, a secondary battery and an electric device. The non-aqueous electrolyte comprises an additive, the additive comprises a cyclic sulfate compound with a structure as shown in a general formula (I), R1, R2, R3, R4, R5 and R6 are respectively and independently selected from any one of a group with a structure as shown in a general formula (II), a hydrogen atom, a halogen atom, C1-C6 alkyl, C1-C6 halogenated alkyl, C1-C6 alkoxy, C1-C6 halogenated alkoxy, C2-C6 alkenyl, C2-C6 ester group, cyano and sulfonic acid group, and R1, R2, R3, R4, R5 and R6 are respectively and independently selected from any one of hydrogen atom, halogen atom, C1-C6 alkyl, C1-C6 halogenated alkyl, C1-C6 alkoxy, C1-C6 halogenated alkoxy, C2-C6 alkenyl, C2-C6 ester group, cyano and sulfonic acid group. And n1, n2 and n3 are respectively and independently any integer from 0 to 2. The general formula (I) is a general formula (II).

Disclosed is a heat-sensitive recording material comprising at least an undercoat layer and a heat-sensitive recording layer in this order on a support,the undercoat layer containing an inorganic pigment, hollow particles, and a binder,the heat-sensitive recording layer containing a leuco dye, developers, and a binder,the heat-sensitive recording layer containing a first developer and a second developer as the developers,the heat-sensitive recording layer containing an N,N′-diarylurea-based compound represented by formula (1) as the second developer:whereinR2 represents a C1-12 alkyl group, a C7-12 aralkyl group, or a C6-12 aryl group, the aralkyl group and aryl group may be substituted with a C1-12 alkyl group, a C1-12 alkoxy group, a C6-12 aryl group, or a halogen atom, and a plurality of R2s may be the same or different; andA1 represents a hydrogen atom or a C1-4 alkyl group, and a plurality of A1s may be the same or different.

The present application relates to the technical field of resin coating, and particularly relates to a preparation method of modified acrylic resin and application thereof, which comprises the following steps: firstly, hydrolysis and condensation of multiple organosilicon alkoxyl monomers, then grafting with epoxy resin to obtain organosilicon-epoxy resin containing vinyl; subsequently, under the protection of nitrogen, a premixed solution of styrene, multiple acrylate monomers, initiator and solvent is added dropwise into a reaction kettle containing the resin, and after polymerization by staged heat preservation, parameters are adjusted to obtain the modified acrylic resin. The resin has a ternary hybrid structure of acrylic acid, epoxy and organosilicon through grafting, condensation and copolymerization, and has good film forming property, high adhesion, excellent high temperature resistance and flexibility. The coating prepared by using the resin can realize normal temperature self-drying, and the coating layer is dense and smooth, has strong adhesion, good corrosion resistance and impact resistance, and can withstand high temperature and cold cycle, and is suitable for protection of parts which need long-term high temperature and corrosion resistance.

To provide camptothecin compounds and their conjugates with novel structures, improved efficacy and improved safety.SOLUTION: The present invention provides a compound having the structure of the upper formula in the figure, or a pharmaceutically acceptable salt, ester, stereoisomer, polymorph, solvate, nitrogen oxide, isotope-labeled product, metabolite or prodrug thereof. In the formula, R1 and R2 are each hydrogen, halogen, C1-6 alkyl, C1-6 alkoxyl, or the like, or are connected with adjacent carbon atoms to form a 5- to 6-membered oxygen-containing heterocyclic ring; R3 is hydrogen or is connected with an ortho-carbon atom of R1 to form a 6-membered carbocyclic ring; and A is selected from one of the lower two formulas in the figure.SELECTED DRAWING: None

The invention relates to the field of batteries, and provides an electrolyte additive, an electrolyte and a battery. The electrolyte additive comprises a siloxane compound, vinylene carbonate and fluoroethylene carbonate, the siloxane compound is at least one of compounds as shown in a formula 1, in the formula 1, m represents any integer from 1 to 12, R1, R2 and R3 are the same or different and are independently C1-C8 alkyl groups, C1-C8 alkoxy groups and the like, and one or two of R1, R2 and R3 are C1-C8 alkoxy groups. The electrolyte additive can improve the electrochemical performance of the battery. # imgabs0 #

The invention relates to the technical field of agricultural films, and particularly discloses a preparation method of a light nano regulating agent, which comprises the following steps: step 1, preparing materials: preparing an aluminate coupling agent and an inorganic nano material dispersing agent in a weight ratio of 2: 100; 2, mixing: stirring the raw materials prepared in the step 1 at a high speed, and fully mixing the raw materials to prepare a modified inorganic nano material dispersing agent; 3, the weight ratio of the color regulating agent to the modified inorganic nano material is 10: 100, and the light nano regulating agent is prepared after high-speed stirring and mixing; the inorganic nano-material dispersing agent is one or more of nano BaSO4, nano CaCO3 or nano SiO2, a high-speed stirrer is used for high-speed stirring in the step 2, the aluminate coupling agent reacts with hydroxyl or carboxyl on the surface of the inorganic nano-dispersing agent through alkoxy, and the hydrophilic nano-material is converted into organic affinity, so that the interface bonding force between the hydrophilic nano-material and the resin is enhanced; the light nano regulating agent has the characteristics of simple process and low cost, and the light conversion performance of an agricultural film can be improved by using the light nano regulating agent to prepare the agricultural film.

Disclosed herein is an aqueous cathodically depositable electrodeposition coating material composition including at least one binder dispersion (I) including at least one cathodically depositable polymer (a) and at least one pigment paste (II) including at least one pigment and / or filler, where manufacture of the electrodeposition coating material composition includes mixing the binder dispersion (I) and the pigment paste (II), and where the composition also includes at least one alkoxylated polyethyleneimine (b) and where at least one alkoxylated polyethyleneimine (b) is part of the at least one binder dispersion (I) and / or part of the at least one pigment paste (II).

The invention relates to the technical field of cosmetics, in particular to a high-concealing makeup holding air cushion and a preparation method thereof.The high-concealing makeup holding air cushion is characterized in that a film forming agent in the high-concealing makeup holding air cushion is prepared from 5-7 parts of trimethylsiloxy silicate, 0.3-0.7 part of isododecane and 2-3 parts of acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer; the coloring agent is prepared from the following raw materials in parts by weight: 5 to 7 parts of titanium dioxide, 0.8 to 1.2 parts of silica, 5 to 7 parts of mica powder, 0.4 to 0.8 part of CI 77492, 0.8 to 1.2 parts of aluminum hydroxide, 0.4 to 0.6 part of CI 77491, 0.8 to 1.2 parts of triethoxyoctyl silane and 0.3 to 0.5 part of CI 77499; the particle sizes of the titanium dioxide at least comprise any two of 4 nm, 30-50 nm and 200-260 nm; the air cushion has the advantages that the makeup holding time of the air cushion is prolonged, and the concealing effect is improved.

The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, a solid-state battery, and a method for producing the same. An aspect of the present disclosure relates to a process for producing a solid electrolyte, comprising the steps of: - contacting, in the presence of a catalyst: - a polymer precursor compound comprising polyethylene glycol (PEG) and / or polytetrahydrofuran (PTHF), wherein the polymer precursor compound comprises on average per polymer precursor molecule, -at least 2.0 alkoxysilyl functional groups, with a functionality of at least 2.0, preferably at least 2.5, preferably at least 3.0; and / or -at least 1.0 alkoxysilyl functional groups, with a functionality of at least 3.0; - optionally, an organo-tri-alkoxy silane, an organo-tetra-alkoxy silane, and / or a mixture thereof comprising a metal ion (M+) chelating moiety being a cyanurate, a crown ether, an aza-crown ether, a thia-crown ether, a cryptand, a carbamate, a cyano group, a thiocyanate group, or a metallacrown,, - a metal (M+) salt, preferably does the metal salt comprises Li+, Na+, Mg+, Ca+, Al+, and / or a combination thereof, preferably lithium (Li+); - a solvent, preferably an organic solvent; and, - optionally, an ionically conductive compound; thereby obtaining a solid electrolyte; - optionally, drying the obtained solid electrolyte.

The invention discloses a sulfur-containing organic silicon gel material and a preparation method and application thereof, and the preparation method comprises the following steps: in the presence of a solvent, a sulfhydryl compound and an epoxy group of an epoxy group-containing silane coupling agent are subjected to a ring-opening reaction, and meanwhile, an alkoxy group of the epoxy group-containing silane coupling agent is subjected to a hydrolytic condensation reaction to obtain the sulfur-containing organic silicon gel material. And freeze-drying to obtain the sulfur-containing organic silicon gel material. The organic silicon material is prepared through hydrolytic condensation of the silane coupling agent, meanwhile, the sulfhydryl-containing compound and an epoxy group of the epoxy group-containing silane coupling agent are subjected to a ring-opening reaction, a large number of sulfur-containing groups are introduced into the organic silicon material in a covalent bond mode, lone pair electrons of sulfur serve as adsorption sites of iodine, and the adsorption capacity of the material to iodine is improved; the silicon substrate ensures that the material has high irradiation resistance and acid resistance, so that efficient adsorption and enrichment of volatile iodine isotopes are realized; the sulfur-containing organosilicon gel material is rapidly prepared through a one-step method, the preparation method is simple, and the cost is low.

The invention discloses an anionic surfactant and a preparation method and application thereof.The anionic surfactant has a double-wedge-shaped molecular structure, alkaline earth metal benzene sulfonate serves as a polar hydrophilic wedge tip, a long-chain alkoxy flexible chain segment serves as a hydrophobic wedge group, the surface tension of water can be remarkably reduced in an aqueous solution, and the anionic surfactant has excellent emulsifying capacity. The molecular structure is based on alkaline earth metal benzene sulfonate and has good thermotropic and lyotropic liquid crystallinity, the liquid crystal phase temperature range of the molecular structure exceeds 140 DEG C, and the phase transition temperature and the mesogenic state temperature range can be controlled by adjusting the number of carbon atoms of an alkoxy substituent. When in a mesogenic state, the molecules can form a supramolecular columnar phase through self-assembly aggregation, and the columnar structure can form a transmission channel with ion recognition in the column center direction. By utilizing the characteristic, a novel bionic ion selective conduction membrane can be constructed, and the biomimetic ion selective conduction membrane has wide application potential in the aspects of preparation of ion selective electrodes and chemical sensors and the like.

Provided is a charge-transporting composition that contains: a charge-transporting substance comprising a polythiophene derivative represented by formula (1); a fluorine-based surfactant; metal oxide nanoparticles; and a solvent.(R1 and R2 are each independently a hydrogen atom, an alkoxy group having 1-40 carbon atoms, —O—[Z—O]p—Re, a sulfonic acid group, or the like, or R1 and R2 bond to each other to form —O—Y—O—. Y is an alkylene group having 1-40 carbon atoms, which may contain an ether bond and which may be substituted with a sulfonic acid group. Z is an alkylene group having 1-40 carbon atoms, which may be substituted with a halogen atom. p is 1 or more, and Re is a hydrogen atom, an alkyl group having a 1-40 carbon atoms, or the like.)

To provide camptothecin compounds and their conjugates with novel structures, improved efficacy and improved safety.SOLUTION: The present invention provides a compound having the structure of the upper formula in the figure, or a pharmaceutically acceptable salt, ester, stereoisomer, polymorph, solvate, nitrogen oxide, isotope-labeled product, metabolite or prodrug thereof. In the formula, R1 and R2 are each hydrogen, halogen, C1-6 alkyl, C1-6 alkoxyl, or the like, or are connected with adjacent carbon atoms to form a 5- to 6-membered oxygen-containing heterocyclic ring; R3 is hydrogen or is connected with an ortho-carbon atom of R1 to form a 6-membered carbocyclic ring; and A is selected from one of the lower two formulas in the figure.SELECTED DRAWING: None

The invention relates to the technical field of cooling liquids, and discloses a flame-retardant cooling liquid and a preparation method thereof, and an immersed energy storage system, the flame-retardant cooling liquid includes: base oil including at least one of hydrocarbon mineral oil, silicone oil, synthetic ester oil, and natural ester oil; the modified flame retardant comprises at least one of compounds shown in a formula 1, a formula 2 and a formula 3; formula 1: (R1-O) n (R2-O) 3-n P = O; (R1-O) n (R2-O) 3-nP formula 2; cH3 (R1-O) 1 (R2-O) 1P = O formula 3; wherein each R1 is independently any one of alkyl, alkenyl and alkynyl of which the carbon atom number is not less than 6; each R2 is independently a halogenated alkoxy group with a carbon atom number of less than 6; and n is 1 or 2. The flame-retardant cooling liquid has excellent insulating property and flame-retardant property, is relatively low in cost and is beneficial to promoting healthy and sustainable development of the new energy industry.