1361 results about "Alkoxy group" patented technology

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.

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.

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.

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 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).

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.

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 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.

The invention discloses an electrolyte additive, an electrolyte and a battery, the electrolyte additive comprises a first additive and a second additive, the first additive comprises a compound containing a silicon element and unsaturated alkyl, the second additive comprises a compound as shown in formula 1, X1, X2, X3 and X4 are respectively and independently selected from N or CH; r is selected from a group consisting of a 5-to 6-membered aryl group, a 5-to 6-membered aryl group substituted by R0, a 5-to 6-membered heteroaryl group, a 5-to 6-membered heteroaryl group substituted by R0, a C1-8 alkyl group, a C1-8 alkyl group substituted by R0, a C2-8 alkenyl group, a C2-8 alkenyl group substituted by R0, a C0-8 alkylsilyl group or a C0-8 alkylsilyl group substituted by R0; and R0 is selected from C1-6 alkyl, C1-6 alkoxy or halogen.

The application belongs to the technical field of chemical medicines, and provides a PGI2 receptor agonist compound shown in a general formula I or a pharmaceutically acceptable salt, a stable isotope derivative, an isomer and a mixture thereof. In the formula, R1 and R2 are independently selected from H, C1-C3 alkyl or a halogen atom; Z is selected from CR7 or an N atom, wherein R7 is selected from H or C1-C3 alkyl, a halogen atom or a halogenated C1-C3 alkyl; R3 is selected from C1-C3 alkyl, C 3‑ C6 monocyclic cycloalkyl; R4 is selected from H, C1-C3 alkoxy or a 3-6-membered heteroaliphatic ring group; R5 represents OH, OR6 or NHSO2R6, wherein R6 represents C 1‑4 alkyl or C 1‑4 alkyl substituted by a halogen; and represents a single bond or a double bond. The compound has good affinity to PGI2 receptors, and has very low adverse reactions, and avoids the defects existing in current PGI2 analogues and seipag.

The invention discloses an emulsion type low-temperature pressure-sensitive adhesive and a preparation method thereof, and the emulsion type low-temperature pressure-sensitive adhesive comprises the following components in parts by weight: 20 parts of alkyl acrylate soft monomer, 10-40 parts of alkoxy polyethylene glycol acrylate monomer, 0.1-0.5 part of functional monomer, 0.01-0.05 part of pH regulator, 0.01-0.05 part of chain transfer agent, 0.3-0.9 part of emulsifier, 0.05-0.3 part of initiator, 0.5-2 parts of rheological additive and 15-30 parts of water. The initial adhesion and low temperature resistance of the emulsion pressure-sensitive adhesive are greatly improved.

The invention belongs to the technical field of anticorrosive coatings, and particularly relates to an anticorrosive polyurethane coating as well as a preparation method and application thereof. The anticorrosive polyurethane coating comprises polyurethane resin, modified graphene, a curing agent and a solvent, alkoxy silane is grafted on the surface of the modified graphene, and the number of layers of the modified graphene is less than or equal to 4. The anticorrosive polyurethane coating disclosed by the invention has the beneficial effects that the anticorrosive polyurethane coating disclosed by the invention can form a compact physical barrier by mixing graphene with few lamellas and a large radius-thickness ratio with polyurethane resin, and also can play a role in toughening; graphene is adopted as modified graphene grafted with alkoxy silane, the graphene-resin interface bonding force is improved by adding the modified graphene, the graphene is stably dispersed in the resin, and the graphene is induced to be directionally arranged in the curing process so as to enhance the adhesion performance of the graphene; by optimizing the addition amount of graphene, on the premise that the thickness of the coating is not increased, the shielding property of the coating is remarkably enhanced, and meanwhile excellent adhesive force and impact resistance are kept.

This easily dismantlable adhesive sheet (100) comprises an adhesive layer (10) containing a moisture-cured product of a silyl group-containing resin and a terpene phenolic tackifying resin, wherein the silyl group-containing resin has a polyoxyalkylene structure in a main chain, has, in a portion of the main chain or a side chain, both bonds among a urethane bond and a urea bond or one bond among the urethane bond and the urea bond, and has hydrolyzable silyl groups represented by formula (1) at both ends of the main chain. (In formula (1), X1 and X2 are each independently a hydroxy group or an alkoxy group, R is a C1-C20 alkyl group, and * is a bonding position.)

The invention relates to the field of silane coupling agents, and discloses a preparation method of a sulfur-containing silane coupling agent, which comprises the following steps: step 1, mixing alkali metal sulfide with sulfur, stirring, and reacting to obtain a sodium polysulfide solution; step 2, adding a pH regulator, a hydrolysis inhibitor and a phase transfer catalyst into the sodium polysulfide solution, dropwise adding 3-halogen propyl trialkoxysilane, and stirring for condensation reaction to obtain a crude product reaction solution; 3, the crude product reaction liquid is sequentially subjected to distillation, decolorization with a decolorizing agent and filtration, and the sulfur-containing silane coupling agent is prepared after the steps are completed. The crystal water contained in the raw materials is used as a reaction medium, so that additional addition of an organic solvent and pre-drying and dehydration treatment are not needed, the spontaneous combustion risk of sodium sulfide is avoided, raw material pretreatment and solvent recovery procedures are omitted, and the whole technological process is simplified, so that the operation is simple and convenient, and the cost is low. The method is suitable for large-scale industrial production.

An organosiloxane has formula (I), wherein each subscript n independently has an average value of 2 to 18, each R1 is an independently selected monovalent hydrocarbyl group; each R is independently selected from H or a functional group containing a moiety selected from an acrylate group, an alcohol group, an alkoxy group, an epoxy group, an isocyanate group, a methacrylate group, or a urethane group; each D is an independently selected divalent hydrocarbyl group of 2 to 6 carbon atoms; and L an organosilicon linker. The organosiloxane is useful in various application such as a crosslinker or a co-crosslinker in silicone release coating compositions or an adhesion promoter in curable liquid silicone rubber compositions.

The invention discloses a liquid crystal compound, a liquid crystal composition containing the same and a liquid crystal display device. The liquid crystal compound is shown in the following formula I, X1 and X2 independently represent H, halogen, alkyl with the carbon atom number being 1-10, alkoxy with the carbon atom number being 1-10 or alkenyl with the carbon atom number being 2-10, X1 and X2 do not represent H and halogen at the same time, and when one of X1 and X2 is alkyl, alkoxy or alkenyl, the other is not H. The liquid crystal compound has the advantages that the K value change is small after UV irradiation, the K11 / delta epsilon value change is small, and the response speed at the low temperature is high; the liquid crystal composition containing the liquid crystal compound also has the advantages of small K value change after UV irradiation, small K11 / delta epsilon value change and higher low-temperature response speed, and can be used for developing liquid crystal display devices with stable threshold voltage, stable contrast and higher low-temperature response speed after UV irradiation. I

This invention relates to the use of compounds of formula (I), or pharmaceutically acceptable salts or solvates thereof, in the treatment or prevention of mycobacterial infections, wherein: one of R2 and R3 is H, and the other is (CR) a R b ) n Y; Y is selected from CO2R c CN and CONR e R f R4 is selected from H, halogens, CN, alkyl and alkoxy groups; R6 is selected from H, F, Br, I, COOH, CN, COR. d CO2R d Alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, OH, SR d SOR d SO2R d SO2NR d R d NHSO2R d aryl and heteroaryl groups, wherein the aryl or heteroaryl group is optionally substituted by one or more substituents selected from alkyl, alkoxy, halogen, haloalkyl, and haloalkoxy groups; R7 is selected from H, halogen, alkyl, and alkoxy groups; R9 is selected from H, COR... d Alkyl, haloalkyl, aryl, CO-aryl, CO-haloaryl, aralkyl and haloaralkyl; R1, R5 and R8 are H; each R a R b R c R d R e and R f The compounds are independently selected from H, alkyl, and haloalkyl groups; n is 1 to 6. Other aspects of the invention relate to subgroups of compounds of formula (Ia), pharmaceutical compositions comprising such subgroups, and their use in the treatment or prevention of mycobacterial infections.

The present disclosure relates to a hydrophilic polymer and a method for preparing the same. The hydrophilic polymer is characterized in that it is a copolymer of a conjugated diene, a monoolefin and a hydrophilic monomer represented by Formula I. In the Formula I, X1, X2 and X3 are each independently selected from hydrogen atoms, or a linear or branched alkyl with 1-4 carbon atoms. At least one of R1, R2 and R3 is hydrophilic group; and the others are each independently selected from hydrogen atoms or, an alkyl or alkoxy with 1-4 carbon atoms.

Provided are a novel organic compound and a light-emitting device using the same. In general formula (G1-1), Z1 represents carbon or nitrogen, and if Z1 is carbon, hydrogen (including deuterium) is contained. R1 to R9 each independently represent any one of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a silicon group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms, a cyano group, and an aliphatic amine group represented by general formula (g1); at least one of R1 to R3 and at least one of R4 to R6 represent a group represented by general formula (g2).

The invention provides a phosphorus-nitrogen coordinated metallocene compound and a preparation method and application thereof, the compound has a structure as shown in a formula I: in the formula I, M is selected from IVB group metals in the periodic table of elements; r1 is selected from hydrogen, halogen, C1-C10 direct or branched alkyl, and C1-C3 alkoxy; r2 is selected from hydrogen and C1-C6 straight chain or branched chain alkyl; y is selected from chlorine, C1-C3 alkyl substituted or unsubstituted by trimethylsilyl, and amino substituted by trimethylsilyl. The phosphorus-nitrogen coordinated metallocene compound provided by the invention has relatively high thermal stability, catalytic activity and comonomer insertion rate, and can realize high-temperature solution polymerization of ethylene and norbornene.

The invention provides an addition type organic silicon pressure-sensitive adhesive composition and an addition type organic silicon pressure-sensitive adhesive product. The composition comprises methyl vinyl polysiloxane; a methyl MQ silicone resin; a hydrogen-containing silicone oil crosslinking agent; a release force enhancer; an inhibitor; a solvent; the stripping force reinforcing agent is a double-bond compound containing hydroxyl or alkoxy silane. According to the invention, a double-bond compound containing hydroxyl or alkoxy silane is used as a stripping force reinforcing agent of the addition type organic silicon pressure-sensitive adhesive, and active groups such as hydroxyl and alkoxy silane can be bonded with an adhered object through hydrogen-bond interaction or hydrolytic condensation, so that the stripping strength of the pressure-sensitive adhesive on the adhered object is enhanced; wherein the double bonds can enable the stripping force enhancer to be combined in the pressure-sensitive adhesive through covalent bonds, so that the precipitation of small molecules is greatly reduced, and the stability of the stripping force can be effectively improved. Experimental results show that the stripping force of the pressure-sensitive adhesive on a steel plate can reach 2192 g / inch, and the stripping force is still kept at 2146 g / inch after the pressure-sensitive adhesive is aged for 14 days.

This invention belongs to the field of organic synthesis and relates to a nitrogen-containing [3,2-b]indole derivative, its preparation method, and its application. The nitrogen-containing [3,2-b]indole derivative is a compound, optical isomer, or pharmaceutically acceptable salt thereof, as shown in the following structure: ; wherein R1, R2, R3, and R4 are independently selected from hydrogen atoms, halogens, cyano groups, C1-C8 alkyl groups, and C1-C8 alkoxy groups; R5, R6, R7, and R8 are independently selected from hydrogen atoms, halogens, and C1-C8 alkyl groups; R9 is selected from C1-C8 alkyl groups; when R1, R2, R3, R4, R5, R6, R7, and R8 are all hydrogen atoms, R9 is selected from C1-C2 alkyl groups. The compound exhibits antitumor activity, particularly against HeLa cervical cancer, showing a significant inhibitory effect on its proliferation.

A photoelectric conversion element in which a compound represented by general formula (1) is used in a hole transport layer has excellent heat resistance. R1 represents an aromatic hydrocarbon group, a heterocyclic group or the like, and R2-R29 represent a hydrogen atom, an alkoxy group or the like.

Actinic radiation and moisture dual curable epoxy compositions and methods of curing such compositions are disclosed. The compositions comprise an alkoxysilane and epoxy dual functional oligomer comprising a functional group curable by actinic radiation, a functional group curable by moisture, and a functional group chemically linking the functional group curable by actinic radiation and the functional group curable by moisture; catalyst configured to react with the functional group curable by moisture in the presence of water; and at least one photoinitiator. The compositions are particularly useful for wearable electronics and medical devices. In some embodiments, unexpected results are obtained in the ability to use cationic photoinitiators and / or in avoiding the need for acrylates and / or heat curing.

The invention relates to a synthesis method of a 3-olefine acid ester compound. The method comprises the following steps: carrying out contact reaction on an organic phosphine ligand, a palladium compound, conjugated olefin, an alcohol compound and carbon monoxide; wherein the structural formula of the organic phosphine ligand is shown in the specification, and in the structural formula, R0 and R1 are respectively selected from hydrogen, alkyl, alkoxy, halogen or halogenated alkyl; and R2 and R3 are respectively selected from hydrogen or alkyl. The method provided by the invention has the advantages of mild conditions, no need of an acid auxiliary agent, high yield and selectivity of the generated 3-olefine acid ester compound, reduction of corrosion to a reactor, and good application prospect, and the speculation is that the electrical property of phosphorus atoms can be regulated and controlled by using the organic phosphine ligand provided by the invention, so that the reaction activity of the palladium-organic phosphine ligand catalyst is regulated and controlled, and the yield and selectivity of the 3-olefine acid ester compound are improved. Therefore, the palladium-organic phosphine ligand catalyst generated by the ligand and a palladium compound in situ can efficiently catalyze the reaction of conjugated olefin, carbon monoxide and alcohol compounds.

Provided is a photosensitive resin composition that contains (A) a photopolymerizable compound that has an ethylenically unsaturated group and an acidic substituent, (B) at least one of a silane coupling agent that has a (meth)acryloyl group and an alkoxysilyl group and a component derived from a silane coupling agent that has a (meth)acryloyl group and an alkoxysilyl group, (C) a thermosetting resin, and (D) an organic peroxide, the (C) thermosetting resin containing at least one of a maleimide resin and an allyl resin. Also provided are a photosensitive resin film that uses the photosensitive resin composition, a printed wiring board and a production method for the printed wiring board, and a semiconductor package.

A low-modulus, high-resilience modified alcohol-based silicone sealant, its preparation method, and its application are disclosed, relating to the field of sealant materials technology. The silicone sealant comprises the following components in parts by weight: 100 parts of α,ω-alkoxysilane ethylidene-terminated polydimethylsiloxane, 30-80 parts of plasticizer, 80-150 parts of reinforcing filler, 0.5-20 parts of silane crosslinking agent, 0.5-10 parts of silane tackifier, and 0.01-1 part of Lewis acid catalyst; wherein the plasticizer is α-alkoxysilane ethylidene-terminated polydimethylsiloxane. The low-modulus, high-resilience silicone sealant of this invention exhibits fast surface drying speed, low modulus, high elastic recovery rate, good adhesion, and weather resistance.

The application provides a kind of sodium sulfide nine hydrate and activated olefin / acetylene preparation polyether and its method, belong to sulfur-containing polymer technical field.The structural formula of polyether in the application, R 1 And R 2 Independently be substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl;The number of carbon atoms of the alkyl is 1-10, the number of carbon atoms of alkoxy is 1-10, the number of carbon atoms of aryl is 1-30, the number of carbon atoms of heteroaryl is 3-30;Substituted alkyl and substituted alkoxy independently are one or more;N is an integer of 2-4000.The application is used as sulfur source sodium sulfide nine hydrate, under the condition of no metal catalyst, polyether is synthesized by polymerization reaction;Reaction condition is mild, reaction is efficient, economic and environmental protection, meet the current green production concept and can avoid the use of dangerous reagent.

A lens includes an optical polymer represented by:where R1 to R3 are each independently hydrogen, deuterium, halogen, or organic group comprising any one selected from substituted or unsubstituted C1-C60 alkyl group, substituted or unsubstituted C3-C60 cycloalkyl group, substituted or unsubstituted C1-C60 alkoxy group, substituted or unsubstituted C6-C60 aryl group, and substituted or unsubstituted C2-C60 heteroaryl group having at least one hetero atom selected from group consisting of N, O, and S, A1 is a single bond, an oxygen atom, or a sulfur atom, A2 is an oxygen atom or sulfur atom, B1 and B2 are each independently a single bond or an organic group represented by -al-D-al-, and n represents an integer of 5 or more and 500 or less, where al is a C1-C8 alkylene group, and D is —S(═O)2—X—, —X—S(═O)2—, —S(═O)2—X—S(═O)2—, —C(═O)—X—, —X—C(═O)—, —C(═O)—X—C(═O)—, carbonyl, alkenylene, alkynylene, ester, or ether, where X is a C6-C60 arylene group.