123 results about "Dithiol" patented technology

The invention relates to an automobile paint surface protective film agent and a preparation method thereof, and belongs to the technical field of automobile beauty. The automobile paint surface protective film agent is prepared from the following raw materials: amino functional polysiloxane, fluorine modified acrylic resin, epoxy modified organic silicon emulsion, functional filler, a surfactant, hydrophobic modified silicone oil, a brightening agent, a penetrating agent, a cosolvent and deionized water, and the raw materials are blended to prepare the automobile paint surface protective film agent. The functional filler is prepared by firstly carrying out surface modification on a polymer and then carrying out click chemistry on dodecanethiol on hydroxylated nano silicon dioxide, and the polymer is prepared by carrying out nucleophilic addition on poly (ethylene glycol) methacrylate Mn360, poly (ethylene glycol) methacrylate Mn500 and isophorone diisocyanate. The automobile paint surface protective film agent is high in film forming speed, a formed film layer has the characteristic of multiple effects, and meanwhile, the wear resistance is also very good.

The invention discloses a medical washable high-temperature-resistant modified polyester fiber fabric and a preparation method thereof, and relates to the technical field of fabrics. The medical washable high-temperature-resistant modified polyester fiber fabric prepared by the invention is obtained by blending, spinning and weaving modified polyester and modified mica and activating with sodium hypochlorite; the modified polyester is obtained by grafting organic silicon modified polyester with n-dodecanethiol and then reacting with bromooctylhydantoin; the modified mica is prepared by polymerizing diethyl phosphite and bisphenol S on the surface of the pretreated mica, grafting a vinyl monomer and then reducing; the vinyl monomer is obtained by carrying out a reaction on 1-allyl-3-cyano-6-hydroxy-4-methyl-2-pyridone and an azo salt, and the vinyl monomer is obtained by carrying out a reaction on 1-allyl-3-cyano-6-hydroxy-4-methyl-2-pyridone and an azo salt; the medical washable high-temperature-resistant modified polyester fiber fabric prepared by the invention has good antibacterial, anti-aging and flame-retardant properties.

The invention discloses a high-refractive-index photo-thermal dual-curing optical adhesive and a preparation method thereof, and belongs to the technical field of high polymer materials, and the preparation method comprises the following steps: S1, preparation of high-refractive-index resin: placing biphenyl-4, 4 '-dithiol in a nitrogen atmosphere reaction kettle, adding a free radical thermal initiator, heating to 180-200 DEG C, reacting for 1-2 hours, and cooling to room temperature to obtain the high-refractive-index resin; dropwise adding alkenyl resin under the protection of nitrogen, stirring, reacting for 1-2 hours after dropwise adding, and cooling to room temperature to obtain high-refractive-index resin; s2, preparation of the optical adhesive: mixing the alicyclic epoxy resin, the high-refractive-index resin, the toughened resin, the liquid epoxy resin, the cationic photoinitiator and the cationic thermal initiator, and uniformly stirring in a dark place to obtain the adhesive. The problems that a traditional optical adhesive is poor in optical performance stability and unbalanced in mechanical and optical performance are solved. The application potential of preparing the high-performance optical adhesive is realized.

The invention discloses a high-toughness self-repairing plastic runway adhesive based on double-sulfur dynamic crosslinking, which is characterized by comprising the following components in percentage by weight: 57-70% of polyhydric alcohol composition, 5-10% of dithiol, 5-10% of dithiol, 5-10% of dithiol, 5-10% of dithiol, 5-10% 25 to 35% of diisocyanate; 3-8% of a chain extender containing dynamic disulfide bonds; 1-3% of in-situ modified nano cerium dioxide; 0.05 to 0.13 percent of a composite catalyst; 0.3 to 0.7% of a hydrolysis resistant agent; 2.0 to 6.0 percent of flame retardant; 0.2%-0.5% of an antioxidant; wherein the ratio of the total mole number of isocyanate groups in the diisocyanate to the total mole number of hydroxyl groups in the polyol composition and the chain extender containing the dynamic disulfide bonds, namely the mole ratio of NCO to OH is (2.2-3.5): 1. The invention also discloses a preparation method of the composition. According to the invention, by introducing a dynamic disulfide bond (HEDS) and a specific composite catalyst, after a cured adhesive layer generates microcracks, a molecular network of the cured adhesive layer can realize self-repairing through reversible exchange of the disulfide bond, the mechanical property is remarkably recovered, and the service life of a runway is greatly prolonged.

The invention discloses an acid and alkali resistant nanofiltration membrane and a preparation method thereof, and relates to the technical field of nanofiltration membranes. The nanofiltration membrane with better acid resistance and alkali resistance is prepared by combining a surfactant, click chemistry reaction and a metal organic framework; zirconium chloride is used as a metal node, 2-amino p-benzoic acid is used as an organic ligand, a Zr-MOF metal organic framework is constructed by adopting a solvothermal method, sulfydryl is introduced, pentaerythritol triacrylate and octyldithiol in a grafting solution are combined, free radical polymerization is carried out under UV illumination, and a high-crosslinking-degree network is formed; the charge repulsive effect of the sulphobetaine monomer realizes efficient screening of ions or molecules; a gradient ultraviolet polymerization process is adopted, and the ultraviolet intensity and density are dynamically adjusted, so that the surface flatness of the nanofiltration membrane and the uniformity of pore size distribution are improved; through chemical component design and process optimization, the mechanical property and chemical property stability of the nanofiltration membrane are synergistically improved.

This invention discloses a high-transmittance insulating ink for back-contact batteries and its preparation method, belonging to the technical field of insulating inks. The insulating ink comprises the following components by mass percentage: 60%~64% base resin, 1%~2% thiol, 2%~4% tackifier, and 25%~30% diluent; wherein the base resin is a hydroxyl-terminated polyester-modified acrylate, the thiol is ethylene dithiol, the tackifier is at least one of terpene resin, C5 petroleum resin, and C9 petroleum resin, and the diluent is at least one of 1,4-butanediol diacrylate, pentaerythritol triacrylate, and dipropylene glycol diacrylate. This invention utilizes the reaction of the dithiol's dithiol group with the hydroxyl groups (-OH) or double bonds in the hydroxyl-terminated polyester-modified acrylate to form thioether bonds (-S-) or thioester bonds, constructing a three-dimensional cross-linked network, thereby significantly improving the hardness and transmittance of the cured resin system. The reasonable combination of tackifier and diluent allows the ink to achieve high adhesion while maintaining hardness.

This invention discloses a composite nanozyme that enhances the clinical efficacy of oxaliplatin, its preparation method, and its application. The composite nanozyme consists of indium ruthenium nanozyme and an iliximab embedding and anchoring layer. The indium ruthenium nanozyme consists of indium ruthenium nanoparticles and a carbon-nitrogen framework, with the indium ruthenium nanoparticles loaded on the surface and within the pores of the carbon-nitrogen framework. The iliximab embedding and anchoring layer consists of a dithiol polyethylene glycol coating layer and iliximab. Preparation method: ZIF-8 is prepared by co-precipitation of zinc salt methanol solution and 2-methylimidazole methanol solution, followed by calcination to obtain the carbon-nitrogen framework. The carbon-nitrogen framework dispersion is then stirred in an oil bath with indium nitrate solution and ruthenium trichloride solution to prepare a nanozyme precursor, followed by calcination to obtain indium ruthenium nanozyme. The indium ruthenium nanozyme is dispersed in a dithiol polyethylene glycol solution, and iliximab solution is added dropwise. The resulting solid product is then dried. This invention can solve problems such as strong drug tolerance, insufficient intracellular accumulation, and severe tumor immunosuppression in oxaliplatin treatment.

The invention discloses a hot-melt type renewable phenolic resin and a preparation method thereof, and a hot-melt type renewable phenolic resin-based ablation-resistant composite material and a preparation method and a regeneration method thereof. The preparation method comprises the following steps: carrying out a melting reaction on a polyhydroxymethyl phenol compound and a dithiol compound to prepare the hot-melt type renewable phenolic resin; the preparation method comprises the following steps: heating hot-melt renewable phenolic resin so as to form a resin adhesive film through curtain coating, laminating the resin adhesive film and a fiber reinforcement body, passing through a roller, rolling to obtain a molten phenolic resin prepreg, and carrying out hot-press molding on the hot-melt phenolic resin prepreg to obtain the hot-melt renewable phenolic resin-based ablation-resistant composite material. The catalyst can be regenerated through an aprotic polar solvent dissolution-precipitation process. The prepared hot-melt renewable phenolic resin has the advantages of efficient repair, wide and adjustable viscosity range, high thermal decomposition temperature and high char yield, and endows the hot-melt renewable phenolic resin-based ablation-resistant composite material with reproducibility, self-repair property, ablation resistance and good mechanical properties.

The application discloses a kind of hydrophilic polyvinylidene fluoride oil-water separation membranes and preparation method thereof, belong to oil-water separation membrane technical field.The preparation method steps include: with 2,2-dimethoxy-2-phenyl acetophenone as photo initiator, 3,6-dioxane-1,8-octane dithiol and polyethylene glycol diacrylate as modifier, by photo initiation mercapto-olefin gradually polymerization method is modified to alkali treated PVDF membrane, and hydrophilic polyvinylidene fluoride oil-water separation membrane is prepared.The application is grafted to PVDF separation membrane surface by photo initiation mercapto-olefin gradually polymerization method, and hydrophilic separation membrane is obtained.The preparation method provided by the application has the characteristics of simple process, low cost and the like, and the prepared hydrophilic membrane can be further developed and utilized as sewage treatment separation membrane, hemodialysis membrane.

The application provides a dithiol modified copolymer and a preparation method and application thereof, and particularly relates to the technical field of lithium batteries. In the dithiol modified copolymer, the copolymer is a branched diene-vinyl pyridine copolymer, which is mainly obtained by copolymerization of branched diene and vinyl pyridine. The dithiol modified copolymer provided by the application has a main chain composed of flexible branched diene units, which endows the copolymer with a good elastic skeleton structure; vinyl pyridine is introduced as a functional monomer, so that a pyridine group is formed on the side chain of the copolymer; a dithiol compound introduces a thiol group (-SH) to the copolymer, and finally, the dithiol modified copolymer has a flexible main chain structure, and the side chain simultaneously contains a pyridine group and a thiol group, and has good elasticity and functional characteristics.

The invention relates to a bis (2, 2-methylene disulfide) episulfide compound with an ultrahigh refractive index and a preparation method thereof, and belongs to the technical field of optical materials, and the preparation method comprises the following preparation steps: taking chloroacetaldehyde dimethyl acetal, a solvent, disulfur dichloride and an acidifying agent, and carrying out a sulfuration substitution reaction to prepare 2-chloro-1, 2-dithiol; the preparation method comprises the following steps: carrying out nucleophilic substitution reaction on methoxycarbonyl sulfonyl chloride, a low-boiling-point solvent and 2-chloro-1, 2-ethanedithiol, and dropwise adding a bicarbonate saturated aqueous solution to carry out cyclization reaction so as to prepare a methoxycarbonyl disulfide-episulfide compound; and adding dimercaptomercaptan, and reacting to obtain a product. The process route provided by the invention solves the problems of tedious step-by-step reaction, more byproducts and high cost in the prior art.

The invention belongs to the field of polymer composite materials, and relates to a polyimide aerogel coating material as well as a preparation method and application thereof. The invention provides a preparation method of a polyimide solution, which comprises the following steps: efficiently and quickly carrying out a catalyst-free thiol-alkynyl click polymerization reaction on a dithiol monomer and a diyne monomer under mild conditions to construct a uniform polymer network and obtain a high-uniformity polyimide dilute solution; and then forming a three-dimensional porous aerogel structure through coating, solvent exchange and normal-pressure drying. The prepared aerogel coating material can be used as an aerogel composite coating, a fireproof heat insulation fabric, a heat preservation fireproof coating, a heat management interface material and the like to be applied to the fields of new energy, special protective clothing, building heat insulation and fire prevention, electromagnetic shielding and the like. According to the method, the production process is simplified, the application range of the polyimide aerogel coating in a multifunctional composite material is widened, and the continuous production process of the polyimide aerogel coating is promoted.

Various precursor solutions and methods of 3D printing and other additive manufacturing approaches are provided for the manufacture of articles using photocrosslinkable vinyl shape memory polymers. In various aspects, articles are manufactured by a process comprising (i) exposing a precursor solution to an intensity and frequency of light to initiate photo-polymerization of the precursor solution to form a layer of the article; and (ii) repeating step (i) a number of times to form the article in a layer-by-layer approach; wherein the precursor solution comprises a first polymeric precursor comprising a plurality of vinyl terminated side-chains attached thereto. A vinyl-functionalized, photocrosslinkable SMP used as an example herein is a novel variant of a previously disclosed SMP composition, with higher amounts of vinyl functionalization but similar thermomechanical properties to the SMP library previously disclosed. Moreover, a unique combination of chemistries is disclosed that incorporates the aforementioned vinyl-functionalized SMPs along with acrylate-based crosslinkers. Additional novel compositions are disclosed containing the vinyl-functionalized SMPs with additional dithiol functionalizations, vinyl-functionalized SMPs with dithiol crosslinkers, as well as vinyl-functionalized SMPs with both acrylate-based and dithiol crosslinkers, as another means to tune degradation rates and other material properties. The articles can include a variety of articles such as stents, grafts, external sheaths, and the like. Beneficially, the printed articles can include a plurality of pores having an average diameter of about 50 pm to about 5000 pm, about 500 pm to about 2000 pm, or about 1000 pm even in the absence of a photoblocker.

The invention discloses gemini quaternary ammonium salt type sulfur-containing polyester and a preparation method and application thereof.The preparation method comprises the steps that dimethylamino diacrylate and halogenated alkyl quaternary ammonium salt are subjected to a substitution reaction, and gemini quaternary ammonium salt type diacrylate is obtained; then, the gemini quaternary ammonium salt type diacrylate and alkyl dithiol are subjected to a sulfydryl-alkene click polymerization reaction, and the gemini quaternary ammonium salt type sulfur-containing polyester is obtained. According to the gemini quaternary ammonium salt type sulfur-containing polyester as well as the preparation method and the application thereof, the gemini quaternary ammonium salt type sulfur-containing polyester has excellent inhibition and killing activity on helicobacter pylori and has good blood compatibility and relatively low cytotoxicity.

The application discloses a high-toughness semi-interpenetrating network liquid crystal elastomer with low phase transition temperature and a preparation method and application thereof, and belongs to the technical field of liquid crystal elastomers and intelligent polymer materials. The preparation method comprises the following steps: after linear liquid crystal polyurethane, liquid crystal polymerizable monomers, dithiol, polythiol, a photoinitiator and a thermal catalyst are blended and dissolved, a precursor solution is obtained by mixing the linear liquid crystal polyurethane, a pre-crosslinked film is obtained through thermal crosslinking, and then a free radical polymerization reaction is carried out on the pre-crosslinked film under the condition of mechanical stretching and using ultraviolet light irradiation, so that the high-toughness semi-interpenetrating network liquid crystal elastomer with low phase transition temperature is obtained. According to the application, the semi-interpenetrating network is constructed, so that the flexible long chain of the polymer can effectively dissipate mechanical energy through slippage when being stressed, and the breaking toughness of the material is greatly improved. Meanwhile, the phase transition energy barrier is effectively reduced through the regulation of the liquid crystal monomers, and the elastomer is endowed with the ability to realize large-strain reversible deformation under extremely low thermal stimulation (such as physiological temperature) and extremely excellent actuating function.

According to the high-crystallinity aliphatic polythioether polymer and the preparation method thereof, aliphatic dithiol and dihalomethane are used as monomers during preparation, the target aliphatic polythioether polymer is synthesized through a condensation polymerization reaction, and the high-crystallinity aliphatic polythioether polymer is simple in process, safe, environmentally friendly, low in cost and suitable for industrial large-scale production. According to the method, the polythioether polymer with the molecular weight of 9.5-162kg / mol and the dispersity of 2.45-3.44 can be synthesized by adjusting the proportion of the two monomers. Besides, the chain tail end of the polythioether obtained through polymerization by the method is sulfydryl or halogen atoms, so that the polymer can be further subjected to grafting, chain extension, cross-linking and other reactions, and is expected to be applied to the fields of coatings, biological medicines, electronic information, polymer processing modification and the like. According to the polythioether polymer prepared by the method, upstream raw materials are low in price and diversified in variety. By adjusting the types of the raw materials, various polythioethers with similar structures and different properties can be obtained, and the types of polythioether polymers can be greatly enriched.

The Invention relates to a method Method for making a ruthenium catalyst comprising the steps of - Providing an aromatic dithiol substituted on adjacent aromatic carbon atoms with thiol groups, wherein in a first step an aromatic compound substituted with two leaving groups on adjacent aromatic carbon atoms are reacted with alkali trithiocarbonate to obtain an aromatic benzodithiole-thione, which in a subsequent step is reacted / hydrolysed with a base; - providing a zinc dithiolate compound by reacting the aromatic dithiol with a zinc carboxylate in an organic solvent; Reacting the zinc dithiolate compound with a ruthenium compound wherein X1 and X2 are, independently of each other, are anionic ligands and are the same or different; L and L2 are, independently of each other, neutral electron donor ligands and are the same or different; Ar is an aromatic group which may be substituted and that can be bridged with L, if L is an alkoxy group; - Obtaining a ruthenium catalyst of formula 4 or 4a, wherein R1 to R4 are, independently of each other, are selected from hydrogen, halogen, alkyl, aryl, or R.1 with R3, R3 with R4 or R2 with R4 are forming together an aliphatic or aromatic ring.

A procedure for the preparation of conjugates between poly(limonene carbonate) (PLC) and cellulose was described. This method allows the attachment of polyesters on the cellulose, which makes the final conjugate a high versatile and eco-friendly medium for the manufacture of new materials. In this respect, the olefin groups of the attached PLC were utilized for their crosslinking with the support of crosslinkers like dithiols. A further example of the adaptability of the functionalized cellulose with PLC was its incorporation into a commercially available matrix like divinylbenzene (DVB) in order to produce composite materials.

The invention relates to a light, thin and flexible TPU (thermoplastic polyurethane) film which comprises the following components in parts by mass: 100-120 parts of TPU master batch, 30-40 parts of polypropylene, 8-10 parts of inorganic hybrid filler, 1-3 parts of antioxidant and 1-3 parts of dispersing agent, the inorganic hybrid filler comprises intercalated montmorillonite and modified carbon nanotubes, and the montmorillonite raw materials comprise montmorillonite, tetraethoxysilane and a modifier. Tetraethoxysilane is used for pre-expanding, octadecyl trimethyl ammonium bromide is used for intercalation modification of montmorillonite, polypyrrole is used for coating, n-dodecanethiol is used for hydrophobization modification of carbon nanotubes, and the carbon nanotubes are used as a filler of the TPU film raw material, so that the overall tensile strength and durability of the system are effectively improved.

The invention provides a cholesteric luminescent liquid crystal material with a high asymmetric factor, a film and a preparation method, and belongs to the technical field of photoluminescent materials. The cholesteric luminescent liquid crystal material prepared by the invention is obtained by taking 9, 9-dioctylfluorene as a central group through Suzuki reaction and Williamson synthesis. According to the material, supermolecule co-assembly can be realized in a thermal annealing process under the action of a chiral binaphthalene inducer by regulating and controlling an alkyl chain and an effective conjugate length, so that a relatively high CPL signal is obtained. The chiral liquid crystal co-assembly thin film and the polymer network thin film have the advantages that the chiral liquid crystal co-assembly thin film and the polymer network thin film prepared by the aid of the method are ingenious in design and low in cost, and the chiral liquid crystal co-assembly thin film and the polymer network thin film can be applied to advanced photon applications such as 3D (three-dimensional) imaging and anti-counterfeiting encryption.

The application discloses a functional surface modifier and a preparation method and application thereof, and belongs to the technical field of surface treatment, and comprises the following raw materials in parts by weight: dithiol 25-50 parts, tetramethyldivinyl disilazane 20-40 parts, a photoinitiator 0.2-1 part, a functional reagent 25-50 parts and an organic solvent 100 parts. The functional surface modifier prepared by the application is suitable for modifying the surfaces of materials with different requirements, and has a wide application range and prospect.

The invention provides a dithiol modified copolymer as well as a preparation method and application thereof, and particularly relates to the technical field of lithium batteries. In the dithiol modified copolymer, the copolymer is a branched chain diene-vinylpyridine copolymer, and is mainly obtained by copolymerizing branched chain diene and vinylpyridine. According to the dithiol modified copolymer provided by the invention, a main chain is composed of flexible branched chain diene units, so that the copolymer is endowed with a good elastic skeleton structure; vinylpyridine is introduced as a functional monomer, so that a pyridine group is formed on a side chain of the copolymer; the dithiol compound introduces a thiol group (-SH) into the copolymer, the finally obtained dithiol modified copolymer has a flexible main chain structure, a side chain contains a pyridine group and the thiol group at the same time, and the dithiol modified copolymer has good elasticity and functionalization characteristics.

The invention relates to the technical field of medicinal chemistry and pharmacology, in particular to a synthetic method of a high-activity human Toll-like Receptor 2 agonist. In the technical route, an acetal aliphatic chain in the agonist is introduced by using a method for activating dithiol acetal under an oxidation condition. By adjusting the length of an acetal aliphatic chain, a high-activity immune agonist aiming at human-derived TLR2 is created, and the EC50 aiming at TNF-alpha is equal to 116pM. The technical route is as follows: D-galactose which is low in price and easy to obtain is taken as an initial raw material, and the high-activity human TLR2 agonist is obtained in a gram-level scale through six-step chemical conversion, so that a technical route and a material basis are provided for subsequent application in vaccine adjuvants and tumor immunotherapy.

The invention relates to a preparation method of an aluminum-doped lithium lanthanum zirconium oxide solid electrolyte, and belongs to the technical field of solid electrolyte materials. Adding lithium carbonate, lanthanum oxide, zirconium oxide, aluminum nitrate and absolute ethyl alcohol into a ball milling tank for ball milling, drying, adding the modified aluminum ion chelating agent, mixing, grinding, sieving, putting into an aluminum oxide crucible, and pre-sintering to obtain an LLZO precursor; grinding and sieving the LLZO precursor, adding a polyvinyl alcohol solution, mixing, and pressing into a wafer; and placing the wafer in an alumina crucible, and carrying out high-temperature sintering to obtain the lithium lanthanum zirconium oxide solid electrolyte doped with the aluminum element. The modified aluminum ion chelating agent is prepared from (11-mercaptoundecyl)-trimethyl ammonium bromide, methylbenzene, biphenyl-4, 4 '-dithiol, triethylamine, lanthanum nitrate and stannous octoate; the lithium lanthanum zirconium oxide solid electrolyte prepared by the invention has relatively high room-temperature ionic conductivity and excellent chemical stability and interface stability.

This invention provides an application of a 1,4-phenylenediol-modified titanium dioxide / nickel hydroxide heterojunction catalyst as a membrane coating material in lithium-sulfur batteries, belonging to the field of lithium-sulfur battery technology. The catalyst is constructed using a transition metal oxide heterojunction TiO2 / Ni(OH)2 as a substrate, modified by in-situ growth of the sulfur-containing organic compound 1,4-phenylenediol on its surface. This design, through the synergistic effect of the TiO2 / Ni(OH)2 heterojunction and the organic sulfur compound, significantly enhances the physicochemical adsorption and catalytic conversion efficiency of lithium polysulfides, thereby effectively suppressing the shuttle effect and improving battery cycle stability and reaction kinetics. This invention not only provides an efficient solution to the polysulfide shuttle problem but also offers a feasible path for the commercial application of lithium-sulfur batteries under high sulfur loading and low electrolyte conditions, which is of great significance for promoting the development of high-energy-density energy storage systems.

The application discloses a kind of UV curing heat preservation coating and preparation method thereof, it is related to paint technical field.The application first with 2-ethyl-2-(mercapto methyl)-1,3-propanedithiol and pentaerythritol triallyl ether as raw material preparation UV curing coating, then join modified phase change microcapsule material as heat preservation auxiliary agent;Multi-functional group raw material can form highly crosslinked polymer network structure, improve the mechanical properties of coating after curing;Using oxidized foam metal load sugar alcohol mixture as the core material of phase change microcapsule, doped with p-fluorocinnamyl chloride modified polyamide as the shell material of phase change microcapsule, then interface polymerization method is used to prepare modified phase change microcapsule material, modified phase change material can more quickly absorb or release heat, improve the heat preservation effect, the surface of p-fluorocinnamyl chloride modified phase change microcapsule material contains double bond, can participate in curing reaction directly with resin network bonding, enhance interface strength.The UV curing heat preservation coating prepared by the application improves the heat preservation effect of coating.

The invention discloses a lithium battery fast charging electrolyte, which comprises an organic solvent, a lithium salt and an additive according to a mass ratio of (65-85): (10-25): (3-15), the organic solvent is composed of carboxylic ester, cyclic carbonate and chain carbonate in a mass ratio of (20-40): (10-20): (40-60); the lithium salt is a compound of lithium hexafluorophosphate (LiPF6) and lithium bis (oxalate) borate (LiBOB) in a mass ratio of (5-8): (1-3); the additive is one or two of 1, 3-propanedithiol, 2, 3-butanedithiol and 1, 4-butanedithiol, the addition amount of the additive is 0.5%-3% of the total mass of the electrolyte, and the thiol compound can capture high-temperature free radicals and inhibit solvent decomposition. According to the invention, the solvent composition of the fast-charging electrolyte is mainly protected, and the fast-charging and fast-discharging performance and the high-temperature stability are synergistically improved through the specific ratio of the lithium salt compound (LiPF6 and LiBOB) and the additive combination (thiol compounds and fluoro carboxylic ester derivatives) and all the components.

The application discloses a kind of based on dithio metal complex doped polymer resistance change storage material and its preparation method and application, belong to data storage technical field.The storage material is with cadmium halide synthesis complex with bipyridine (Bpy) as ligand, and with polyvinylpyrrolidone (PVP) compound and obtained composite material.Based on the storage performance of pure cadmium complex device is poor, and the switch ratio is only 10 2.32 ~10 3.18 , with halogen from I to SCN, storage performance gradually improves.After being compounded with PVP, Cl base and SCN base device exhibits good ternary storage behavior (ternary yield is 65% and 55%), and the current switch ratio reaches 10 6.13 :10 3.80 :1, and good device stability is shown, and it is expected to be applied to construct high-performance halogen-based memory.Raw material is widely sourced, and the preparation method is simple, and the product has excellent performance, and has significant economic and social benefits.

The invention provides a terpolymer as well as a preparation method and application thereof, and particularly relates to the technical field of lithium batteries. The terpolymer is mainly formed by copolymerizing diene and unsaturated alkoxy silane to form a main chain and then introducing a thiol group through a click reaction of a dithiol compound, wherein the unsaturated alkoxy silane contains a carbon-carbon double bond and a siloxy group. A molecular main chain of the terpolymer is composed of a flexible diene unit, so that the terpolymer is endowed with a good elastic skeleton structure. In the polymerization process, unsaturated alkoxy silane is introduced as a functional monomer, so that a silicon-oxygen group is formed on a side chain of the copolymer. Then, a dithiol compound and a carbon-carbon double bond in the main chain are subjected to an addition reaction, and a thiol group (-SH) is further introduced; the finally obtained terpolymer has a flexible main chain structure, a side chain contains a silica group and a thiol group at the same time, and the terpolymer has good elasticity and functionalization characteristics.

The invention discloses high-light-transmittance insulating ink for a back contact battery and a preparation method of the high-light-transmittance insulating ink, and belongs to the technical field of insulating ink, the insulating ink comprises the following components in percentage by mass: 60%-64% of matrix resin, 1%-2% of mercaptan, 2%-4% of a tackifier and 25%-30% of a diluent, wherein the matrix resin is hydroxyl-terminated polyester modified acrylate, the thiol is ethanedithiol, the tackifier is at least one of terpene resin, C5 petroleum resin and C9 petroleum resin, and the diluent is at least one of 1, 4-butanediol diacrylate, pentaerythritol triacrylate and dipropylene glycol diacrylate. Disulfydryl of mercaptan reacts with hydroxyl (-OH) or double bonds in hydroxyl-terminated polyester modified acrylate to form thioether bonds (-S-) or thioester bonds, and a three-dimensional cross-linked network is constructed, so that the hardness and light transmittance of a cured resin system are remarkably improved. The reasonable compounding of the tackifier and the diluent is adopted, so that the ink can obtain high adhesive force while keeping the hardness.