104 results about "Alkyl side chain" patented technology

The invention belongs to the technical field of polymer insulating materials, and particularly discloses a high-toughness and high-insulating-strength epoxy insulating material and a preparation method thereof. Single-end amine-terminated straight-chain alkyl groups with different chain lengths in a specific molar ratio are grafted to fluorine-containing epoxy resin to construct a side chain structure, and then a step curing process is adopted to form a three-dimensional cross-linked network with a curing agent under the action of an accelerant. The fracture toughness is remarkably improved by utilizing an epoxy body chain extension effect in a side chain grafting process and a uniform microphase separation structure formed by self-assembly of a long alkyl side chain in a curing process; meanwhile, through the synergistic effect of steric hindrance of a short alkyl side chain and a fluorine atom charge trap, delocalized electron transmission of a benzene ring conjugated structure is inhibited, and the insulating property is synchronously enhanced. Compared with a traditional toughening technology, insulation deterioration caused by toughening modification is effectively avoided, and an epoxy resin material with mechanical reliability and insulation stability is provided for high-voltage electrical equipment.

The invention discloses an asphaltene molecule nano-scale characteristic analysis method based on quantum chemistry calculation, which comprises the following steps: acquiring composition information of asphaltene components, and constructing a representative asphaltene molecule three-dimensional model containing a fused aromatic ring skeleton and an alkyl side chain; performing geometric configuration optimization on the representative asphaltene molecule three-dimensional model by adopting a quantum chemistry density functional theory method to obtain a stable configuration of the asphaltene molecule; determining key nano parameters of the asphaltene molecules according to the stable configuration of the asphaltene molecules; and associating the key nano-scale parameters of the asphaltene molecules with the macro-performance of the asphalt material, and establishing an asphalt performance association model. According to the method, the key parameters capable of representing the asphaltene microstructure and property are obtained, so that the understanding of the relationship between the asphaltene composition and the performance of the asphalt material is deepened, the performance of the asphalt material is evaluated from the molecular scale, and a new thought is provided for performance prediction and modification of the asphalt material.

The invention relates to the technical field of polyester resin, and discloses a preparation method and application of super-weather-resistant HAA curing type extinction polyester resin, neopentyl glycol, a triazine phenyl imide diol monomer, binary acid, an esterification catalyst, an onium salt curing accelerator and the like are subjected to a reaction, and the super-weather-resistant HAA curing type extinction polyester resin is obtained. The triazine phenyl imide diol monomer has a phenyl imide ring and triazine ring structure with heat resistance and structural stability, is beneficial to improving the high temperature resistance and mechanical strength of a polyester resin powder coating paint film, shows higher impact resistance, contains a dialkyl side chain, and can be used for preparing the polyester resin powder coating after being introduced into a polyester molecular chain. The modified polyester resin can generate steric hindrance and shielding effects, inhibit contact between water molecules and ester bonds in polyester molecular chains and reduce hydrolysis reaction of ester groups, so that the hydrolysis resistance of the polyester resin is improved. And the paint film has the advantages of good ultraviolet aging resistance, high weather resistance and high gloss retention rate.

The present invention belongs to the technical field of polymer binders, and particularly relates to a solid-state battery binder and a preparation method thereof, the solid-state battery binder comprises: a viscous monomer which is an acrylate monomer having a C3-C12 alkyl side chain; the lithium-supplying monomer is a monomer containing phosphate ester or a monomer which contains hydroxyl and amino and is easy to prepare phosphate ester through a phosphate esterification reaction; the lithium-conducting monomer is polyethylene glycol acrylate containing an ethyoxyl structure and a derivative of the polyethylene glycol acrylate; the adhesive monomer, the lithium-supplying monomer and the lithium-conducting monomer are polymerized together through a multifunctional integrated design, the adhesive has high solubility in an ester solvent due to a large number of ester groups contained in the adhesive, so that the bonding effect and the ionic conductivity of the solid-state battery can be improved, and the adhesive provided by the invention has high bonding force, and can be applied to the lithium-ion battery. The composite material has the advantages of high conductivity, high flexibility, high ionic conductivity, high solubility, high electrochemical stability, high temperature resistance and excellent comprehensive performance.

The invention relates to the technical field of polyester resin, and discloses outdoor hydrolysis-resistant polyester resin and a preparation method and application thereof.The outdoor hydrolysis-resistant polyester resin is prepared from, by weight, 30-38 parts of polyhydric alcohol, 48-50 parts of binary acid, 20.5-28.5 parts of acidolysis agent and 0.1-0.12 part of onium salt curing accelerator; according to the invention, 2-butyl-2-ethyl-1, 3-propylene glycol is used as polyol, and an alkyl side chain is introduced into polyester molecules to generate steric hindrance and shielding effects, so that water molecules are difficult to attack adjacent lipid bonds, and the hydrolysis resistance of the polyester resin is improved. 2, 2 '-[(2-hydroxy-3-phenoxy propyl) azadiyl] diethanol contains a benzene ring structure with thermal stability, and is crosslinked into a polyester molecular chain, so that the glass transition temperature of the polyester resin can be increased, the heat resistance can be improved, and the boiling water resistance of a resin coating can be improved.

The invention relates to the technical field of water treatment, and provides gel type imidazolyl anion exchange resin as well as a preparation method and application thereof. According to the method, the gel type styrene-divinyl benzene copolymer is taken as a matrix, and the adsorption selectivity of the gel type imidazolyl anion exchange resin on rhenium / technetium is regulated and controlled by grafting imidazole with alkyl side chains with different lengths, so that the removal rate of rhenium / technetium is increased. The gel type imidazolyl anion exchange resin provided by the invention has relatively high adsorption capacity on ReO4 <-> and TcO4 <->, high selectivity, wide applicable pH value and temperature range, strong acid and alkali resistance and irradiation stability, and wide application prospect.

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

The invention provides organic silicon cooling liquid and a preparation method thereof. The molecular structural formula of the organic silicon cooling liquid is shown in the specification, R1 is selected from C3-7alkane, the value of a is 0-12, and the value of b is 14-20. A phenyl group and a long-chain alkyl side chain are introduced into a silicone oil main chain through an organic synthesis means, the regularity of a polysiloxane chain is destroyed, the crystallization property of the polysiloxane chain is reduced, the performance of the organic silicon cooling liquid is changed from the molecular structure, and the organic silicon cooling liquid can still flow at a low temperature (-65 DEG C). In addition, by introducing phenyl, the flash point, irradiation resistance and other properties of the immersed cooling liquid can be remarkably improved. # imgabs0 #

A fluorine-free transparent polymeric material with high oxygen permeability includes at least one silicone cage compound having at least one polymerizable pendant group and up to seven side chains, at least one acrylic compound, at least one acrylate functionalized compound, and styryltris(trimethylsiloxy)silane. None of the compounds of the transparent polymeric material contain the element fluorine. A first polyhedral oligomeric silsesquioxane (POSS) monomer silicone cage has one polymerizable methacrylate pendant group and seven isoalkyl side chains while a second polyhedral oligomeric silsesquioxane (POSS) monomer silicone cage has two polymerizable methacrylate pendant groups and six isoalkyl side chains. The Dk of the transparent polymeric material is approximately 150 and the Shore D hardness is greater than 70.

The invention discloses an alkyl side chain substituted aromatic hydrocarbon monomer, polyarane and a preparation method and application thereof. The alkyl side chain substituted aromatic hydrocarbon monomer has a structure as shown in the following formula: # imgabs0 #, A is selected from an aromatic monomer, Y is selected from F, Cl, Br, CnH2n-1, OH, OCnH2n-1, OCnF2n-1, SH, SCnH2n-1, SCnF2n-1, N (CnH2n-1) 2 or N (CnH2n-1) 3, and n is selected from an integer from 0 to 20. The method provided by the invention has ultrahigh reaction activity, good compatibility to various functional groups, mild reaction and high yield, and can be used for preparing substituted aromatic monomers required by various ion exchange membrane materials, organic photoelectric materials and the like, and meanwhile, the prepared membrane material has the advantages of high conductivity, excellent chemical stability and the like; and the method has obvious practical application and industrialization prospects.

The present invention relates to the technical field of polyester resins, and discloses a preparation method and application of a super-weather-resistant HAA-cured matte polyester resin. The present invention reacts neopentyl glycol, triazine phenylimide diol monomer, dibasic acid, esterification catalyst, onium salt curing accelerator, etc. to obtain a super-weather-resistant HAA-cured matte polyester resin. The triazine phenylimide diol monomer has a phenylimide ring and a triazine ring structure with heat resistance and structural stability, which is beneficial to improving the high temperature resistance and mechanical strength of the polyester resin powder coating film, showing higher impact resistance, and contains a dialkyl side chain. After being introduced into the polyester molecular chain, steric hindrance and shielding effects can be generated, inhibiting the contact between water molecules and ester bonds in the polyester molecular chain, reducing the hydrolysis reaction of the ester group, thereby improving the hydrolysis resistance of the polyester resin. And the anti-ultraviolet aging performance of the paint film is improved, and the weather resistance and light retention rate are high.

The invention relates to the technical field of anion exchange membrane water electrolysis hydrogen production, in particular to a branched anion exchange membrane and a preparation method thereof.The branched anion exchange membrane comprises a polymerization unit, and the molecular structure of the polymerization unit comprises a biphenyl isatin polymer, a branched structure and a quaternized alkyl side chain; the branched structure comprises a benzene ring structure with a branched site. The branched anion exchange membrane provided by the invention has the advantages of good stability and high ionic conductivity.

A fluorine-free transparent polymeric material with high oxygen permeability includes at least one silicone cage compound having at least one polymerizable pendant group and up to seven side chains, at least one acrylic compound, at least one acrylate functionalized compound, and styryltris(trimethylsiloxy)silane. None of the compounds of the transparent polymeric material contain the element fluorine. A first polyhedral oligomeric silsesquioxane (POSS) monomer silicone cage has one polymerizable methacrylate pendant group and seven isoalkyl side chains while a second polyhedral oligomeric silsesquioxane (POSS) monomer silicone cage has two polymerizable methacrylate pendant groups and six isoalkyl side chains. The Dk of the transparent polymeric material is approximately 150 and the Shore D hardness is greater than 70.

The present invention discloses a method for producing BTX from C9+ heavy aromatics, comprising the following contents: C9+ heavy aromatics raw materials enter a dealkylation reaction zone and a transalkylation reaction zone in accordance with the direction of logistics, wherein the dealkylation reaction zone is loaded with a dealkylation catalyst having ZSM-5 molecular sieve as the main component, and the transalkylation reaction zone is loaded with a transalkylation catalyst having Beta molecular sieve as the main component, wherein the catalyst volume ratio of the dealkylation reaction zone and the transalkylation reaction zone is 1:9~6:4, preferably 3:7~5:5, and the fraction of 65~150°C obtained by separation of the reaction material is a product rich in BTX components, and the fraction greater than 150°C can be circulated to the dealkylation reaction zone and / or the transalkylation reaction zone, preferably to the transalkylation reaction zone. The method couples the dealkylation reaction zone with the transalkylation reaction zone to realize two reactions in succession, and the benzene and toluene produced by the dealkylation reaction can be used as reactants for subsequent transalkylation reactions. The method has a high conversion rate for both polymethylbenzenes and long alkyl side-chain substituted benzenes, can effectively avoid the condensation of macromolecules, delays carbon deposition, and improves the operating cycle of the device.

The invention relates to polyester polyol, a waterborne polyurethane dispersion as well as a preparation method and application of the polyester polyol. The polyester polyol is prepared from the following raw materials: aliphatic dicarboxylic acid with the carbon atom number of C4-C18; the aliphatic dihydric alcohol contains alkyl side chains, the number of carbon atoms of the aliphatic dihydric alcohol is C4-C10, and the alkyl side chains are C1-C4 alkyl side chains; and a diol containing a polyethylene glycol segment. According to the polyester polyol, specific raw material components are matched, and a polyethylene glycol chain segment is directionally introduced, so that the polyester polyol has excellent hydrophilicity and has crystallization hardness and amorphous flexibility, and the prepared waterborne polyurethane dispersion is high in solid content, small in particle size and good in dispersion stability.

The invention provides two fluorene-benzothiadiazole multi-chain type bola liquid crystal compounds, a preparation method thereof and application of the fluorene-benzothiadiazole multi-chain type bola liquid crystal compounds in solar cells. Relates to the fields of liquid crystal materials and organic solar cells. The two types of molecules contain bifunctional functional groups of fluorene and benzothiadiazole at the same time, and can be self-assembled to form complex honeycomb columnar phase and cubic phase liquid crystals by adjusting the lengths of conjugated linking groups and alkyl side chains. Fn of a short side chain forms a triangular honeycomb hexagonal columnar liquid crystal (Cohex / p6mm), F18 of a long side chain observes a network cubic intermediate phase Cub / pm3n in a high-temperature interval, and the F18 of the long side chain is a Cohex / p6mm liquid crystal phase at a low temperature. The TFn of the short side chain can also form a Cohex / p6mm liquid crystal phase, the TF18 of the long side chain can form a square honeycomb columnar liquid crystal Colsq / P4gm at a low temperature, and the Cohex / p6mm liquid crystal is formed at a high temperature. In addition, the PEDOT: PSS thin film is induced to be modified by utilizing the self-assembly property of the compounds Fn and TFn, and a PEDOT: PSS / n-Si heterojunction solar cell device with high efficiency and strong practicability is prepared. The material is expected to be widely applied in the field of organic photoelectric materials.

The present invention discloses an instant-adhesive strong-tough wet tissue tape and a preparation method thereof. The preparation of the instant-adhesive strong-tough wet tissue tape comprises the following steps: S1, reacting 3,4-dihydroxyphenylacetic acid with glycidyl methacrylate to synthesize 2-(2-(3,4-dihydroxyphenyl)acetoxy)-3-hydroxypropyl methacrylate; S2, dissolving chitosan in an acrylic acid aqueous solution, then adding 2-(2-(3,4-dihydroxyphenyl)acetoxy)-3-hydroxypropyl methacrylate and a photoinitiator to obtain a mixed solution; S3, applying the mixed solution to the surface of a polymer film treated with a plasma cleaner, and then curing under ultraviolet light to obtain the instant-adhesive strong-tough wet tissue tape. This invention designs and synthesizes novel catechol compounds with long alkyl side chains and uses them to manufacture an instantly adhesive, strong, and resilient wet tissue tape. This tape is thin, flexible, and optically transparent, conforming to various substrates and allowing visual inspection of the substrate's state. Prior to use, the tape is dry and non-sticky, but upon contact with water or blood, it rapidly bonds to wet biological tissue. The tape exhibits exceptionally strong interfacial toughness and adhesion strength to wet biological tissue, far exceeding existing commercial adhesives and some other wet tissue adhesives. Therefore, the instantly adhesive, strong, and resilient wet tissue tape can be used for wound closure and hemostasis.

An alkyl pendant polymer-type non-silicone, non-fluorine release agent resin is applied to the surface of a substrate film without using organic solvents, forming a coating and release layer without the coating liquid being repelled from the surface of the substrate film. [Solution] A method for manufacturing a release film comprises, in this order, the steps of obtaining a release film precursor by applying an aqueous dispersion of a non-silicone, non-fluorine release agent resin to the first surface 11a of a base film 11 having a first surface 11a and a second surface 11b, the first surface 11a of the base film 11 having a polyester resin on the first surface 11a, and drying the release film precursor, wherein the aqueous dispersion comprises water, a release agent resin which is a non-silicone, non-fluorine release agent resin and is an alkyl pendant polymer, and a surfactant, the surfactant comprising an acetylene glycol-based nonionic surfactant having an HLB value of 11 or more.

The invention provides a high-strength and high-toughness photocuring outer coating for a thin-diameter polarization-maintaining optical fiber. The coating comprises the following components: 60-80% of a modified acrylate oligomer; 20-40% of an acrylate monomer; 0.5 to 6% of a photoinitiator; 0.05-1% of an antioxidant; the modified acrylate oligomer is formed by polymerizing oligosaccharide, alkyl acid, (methyl) acrylic acid, an acid catalyst and a polymerization inhibitor, the main chain of the oligosaccharide has a continuous pyranoid ring structure and the polymerization degree is 2-10, and carboxyl in the alkyl acid and hydroxyl on a pyranoid ring are subjected to esterification reaction so as to be grafted on the oligosaccharide to form an alkyl side chain. The high-strength and high-toughness photocuring outer coating for the small-diameter polarization maintaining optical fiber has the advantages of high strength and high flexibility, the curing speed is high by adopting a photocuring mode, and the raw materials are cheap and easy to obtain.

Provided is an engineered GPI anchored signal peptide. Compared with an original native GPI anchored signal peptide, the engineered GPI anchored signal peptide has an N-terminal histidine replaced with an uncharged non-polar amino acid having a C3-C6 linear or branched alkyl side chain, and contains a flexible hydrophobic amino acid combination at a C-terminus thereof. Further provided are a fusion protein containing a functional peptide fragment connected to the engineered GPI anchored signal peptide of the present application, and a use of the engineered GPI anchored signal peptide and the fusion protein.

This invention discloses a method for lightening reformed heavy aromatics. The method involves the lightening of reformed heavy aromatics under the action of a catalyst, with the following operating conditions: reaction pressure of 1.0~5.0 MPa, hydrogen-to-oil volume ratio of 50:1~600:1, and liquid hourly space velocity of 0.5~2 h⁻¹. ‑1 The reaction temperature is 380~450℃, and the catalyst uses modified ZSM-5 molecular sieve and Y molecular sieve as acid cracking components. This method exhibits high conversion rates for polymethylbenzene and long alkyl side-chain substituted benzenes, effectively avoids macromolecular condensation, delays carbon deposition, and improves the operating cycle of the unit.

The invention discloses a fluorine-free transparent polymer material with high oxygen permeability. The fluorine-free transparent polymeric material comprises at least one silicone cage compound having at least one polymerizable hanging group and up to seven side chains, at least one acrylic compound, at least one acrylate-functionalized compound, and a styryl tris (trimethylsiloxy) silane. Any compound of the transparent polymeric material does not contain elemental fluorine. The first polyhedral oligomeric silsesquioxane (POSS) monomeric silicone cage has one polymerizable methacrylate suspending group and seven isoalkyl side chains, and the second polyhedral oligomeric silsesquioxane (POSS) monomeric silicone cage has two polymerizable methacrylate suspending groups and six isoalkyl side chains. The transparent polymeric material has a Dk of about 150 and a Shore D hardness greater than 70.

The invention belongs to the technical field of anion exchange resin, and particularly relates to fluorinated alkyl side chain anion exchange resin and a preparation method of a membrane of the fluorinated alkyl side chain anion exchange resin. The anion exchange polymer poly (aryl-alkylene) comprises a side chain with a polyfluorine structure, and the hydrophobicity of a fluorine element on the side chain reduces the water absorption of a skeleton chain. And the stability of a membrane framework is guaranteed by improving the anti-swelling performance. When the length of a fluorocarbon chain on a side chain is increased, the phase separation degree is higher, and the ionic conductivity is higher. The main chain of the anion exchange polymer poly (aryl-alkylene) does not contain heteroatoms such as sulfur, ether and oxygen, so that unstable electron-rich sites generated on aryl by the electron donating effect of the heteroatoms are avoided, and hydroxyl radicals are not easy to attack the poly (aryl-alkylene) polymer. In addition, the fluorine-containing functional group can reduce the density of benzene electron cloud, effectively prevent attack of free radicals and increase the stability of a main chain.

The present invention discloses a cardanol-based polyether polyol and a preparation method thereof. In the present invention, the phenolic hydroxyl groups of cardanol are replaced by epoxidation to prepare cardanol glycidyl ether, which is then further ring-opening polymerized with an alkylene oxide in the presence of a high-efficiency catalyst to prepare a cardanol-based polyether polyol. The cardanol-based polyether polyol prepared by the present invention retains the long alkyl side chains and double bonds in cardanol and has multiple active hydroxyl groups. It can be widely used in technical fields such as surfactants, modifiers, and polyurethane synthesis. The reaction conditions are mild and the product conversion rate is high.

The invention relates to the technical field of oil-based wax removal and prevention, and discloses an oil-based wax removal and prevention agent and a preparation method. Xylene has rapid dissolution ability and a large saturated wax dissolving capacity, and can achieve "like dissolves like" for wax. The molecular structure of the polyacrylate pour point depressant and viscosity reducer simultaneously comprises two long-chain lipophilic groups and a sodium sulfonate hydrophilic group. The structure of the lipophilic group is similar to that of paraffin wax, and can form a eutectic with the paraffin wax, thereby inhibiting the continued growth of wax crystals. The hydrophilic group extends outward, hindering the subsequent precipitated paraffin wax from combining with the agent to form a three-dimensional network structure, preventing the wax crystals from adhering to each other, and further exerting the wax prevention and removal effect. The polyacrylate pour point depressant and viscosity reducer has good solubility in crude oil, and its alkyl side chain can fully react with the paraffin wax in the crude oil, thereby changing the structural morphology of the wax crystals, increasing the flow space of the liquid oil, and reducing the flow resistance of the crude oil, thereby exerting the pour point and viscosity reduction effect on the crude oil.

The application discloses an alkyl side chain substituted aromatic hydrocarbon monomer, a polyaromatic alkane and a preparation method and application thereof. The alkyl side chain substituted aromatic hydrocarbon monomer has the structure shown in the following formula: wherein A is selected from aromatic monomers, Y is selected from F, Cl, Br, C n H 2n‑1 , OH, OC n H 2n‑1 , OC n F 2n‑1 , SH, SC n H 2n‑1 , SC n F 2n‑1 , N(C n H 2n‑1 )2 or N(C n H 2n‑1 )3, and n is an integer selected from 0-20. The method provided by the application has super-high reaction activity, good compatibility with various functional groups, mild reaction, high yield, and can be used for preparing various ion exchange membrane materials, organic photoelectric materials and other required substituted aromatic monomers, and the prepared membrane material has the advantages of high conductivity, excellent chemical stability and the like, and has obvious practical application and industrialization prospect.

A fluorene-based ionomer containing long alkyl side chains, its preparation method, and its application in anion exchange membranes. This invention belongs to the field of fluorene-based ionomers and their preparation. The purpose of this invention is to solve the technical problem that existing anion exchange membranes based on polymers constructed from ether-free polyfluorene backbones and quaternary ammonium salt cations cannot achieve an optimal balance between mechanical and ion conductivity. This invention introduces long alkyl side chains of a specific length onto a highly rigid fluorene-based polymer backbone, constructing a molecular structure that combines rigidity and flexibility, thereby significantly improving the overall performance of the anion exchange membrane. The resulting fluorene-based ionomer containing long alkyl side chains is applied as an anion exchange membrane component in the field of fuel cell alkaline batteries.

This invention relates to the field of fluorescent materials technology, disclosing near-infrared I-region photosensitizers, their preparation methods, and their applications in bioimaging. The near-infrared I-region photosensitizers include TPE-AT-DPTQ, TPE-EDOT-DPTQ, and TPE-HEXOT-DPTQ, possessing a D-π-A-π-D molecular structure. They utilize tetraphenylethylene as the electron donor, sterically hindered π-bridges (3-hexylthiophene, 3,4-ethylenedioxythiophene, and 3,4-dihexyloxythiophene) as bridging units, and DPTQ as the electron acceptor. By introducing long alkyl side chains, these near-infrared I-region photosensitizers significantly increase the intermolecular distance in the aggregated state, effectively preventing excessively dense molecular packing and further enhancing the AIE properties and fluorescence brightness of the molecules.

The invention discloses a preparation method of castor oil-based biomass lubricant base oil, and belongs to the technical field of base oil. The preparation method comprises the following steps: ester exchange reaction, esterification reaction, epoxidation reaction, ring-opening reaction and bridging esterification reaction. The prepared base oil constructs a macromolecular structure through bridging esterification, so that the base oil is endowed with high viscosity; unstable carbon-carbon double bonds in the raw materials are eliminated through the epoxidation step, the flash point of the base oil is increased, and the service life of the oil product is prolonged; the introduced long-chain alkyl side chain effectively prevents molecules from crystallizing at low temperature, and the pour point is reduced; castor oil is used as an initial raw material, and the source is renewable; the final ester structure is easily decomposed by microorganisms and is environment-friendly; in a word, the biomass raw material is successfully converted into the base oil with'high viscosity index, low pour point, high flash point and good biodegradability 'through an innovative synthesis route, and the base oil has important application value in the technical field of base oil.

The invention discloses a solution-processable two-dimensional halogen bond organic framework as well as a preparation method and application thereof, and belongs to the technical field of organic high-molecular compounds. The method has the advantages of high synthesis efficiency and reduced production cost. The solubility of the two-dimensional halogen bond organic framework is remarkably enhanced by introducing a long-chain alkyl side chain and optimizing solvent selection, so that the two-dimensional halogen bond organic framework can keep good dispersity in various solvents; through a cross-linking strategy and introduction of functional groups, the structural stability of XOFs in a solution environment is improved, and the long-term reliability and performance consistency of the material are improved; a specific functional group is introduced into the framework, so that the two-dimensional halogen bond organic framework has multiple functions. The prepared two-dimensional halogen bond organic framework has the advantages of high solubility, strong structural stability and multi-functionalization characteristic, and has wide prospects in the fields of electronics and sensors.