9009 results about "Phenyl group" patented technology

The invention discloses a thiapyran molecule modified solar cell and a preparation method thereof. The cell sequentially comprises an ITO (Indium Tin Oxide) conductive glass layer, a 4-aminotetrahydro-2H-thiapyran-1, 1-dioxide hydrochloride modified [4-(3, 6-dimethoxy-9H-carbazole-9-yl) butyl] phosphonic acid hole transport layer, a Cs0.05 (FA < 0.77 > MA < 0.23 >) < 0.95 > Pb < (I < 0.77 > Br < 0.23 >) 3 wide-band gap perovskite thin film, a phenethyl ammonium iodide passivation layer, an electron transport layer of [6, 6]-phenyl-C61-butyric acid isomethyl ester, a 2, 9-dimethyl-4, 6, 7-tetrahydro-2H-thiapyran-1, 1-dioxide hydrochloride modified [4-(3, 6-dimethoxy-9H-carbazole-9-yl) butyl] the hole barrier layer is made of 1, 7-biphenyl-1, 10-phenanthroline; the electrode layer is made of metal Ag; according to the scheme, the hole transport layer is modified through thiapyran molecules, agglomeration of the hole transport layer is relieved, and a more compact and more uniform self-assembled single layer is generated by inducing favorable crystal orientation. A good bottom interface is obtained based on thiapyran molecule modification, and ordered growth of high-quality perovskite crystal grains is promoted. In addition, the energy level of the hole transport layer is effectively adjusted through thiapyran molecule treatment, and the extraction and transmission of carriers by the hole transport layer are enhanced.

The invention discloses a novel synthetic method for 5-phenyl tetrazole, which includes the following steps: firstly performing acid neutralization to hydrazine hydrate; then adding mixing solution formed by cyanobenzene, water and ethyl alcohol to generate phenyl aminoguanidine salt; adopting sodium nitrite for diazotization to obtain nitrine amidine under the acidic condition; obtaining 5-phenyl tetrazole crude product through closed loop under the alkaline condition; obtaining 5-phenyl tetrazole acceptable product through adopting ethyl alcohol for refining. The method has the advantages of simple technology, simplicity in operation and high product yield.

The invention relates to a crown ether covalent organic framework material as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving a crown ether monomer and an amino monomer in an o-dichlorobenzene solvent, adding a catalyst acetic acid aqueous solution, and uniformly dispersing to form a reaction solution; the method comprises the following steps: freezing a reaction solution through a liquid nitrogen bath, vacuumizing, filling nitrogen, carrying out a heating reaction, and carrying out post-treatment operations such as washing and drying on a reaction product, so as to obtain the crown ether covalent organic framework material BADT-DB18C6-COF. The crown ether covalent organic framework material is formed by condensation of a crown ether aldehyde monomer and an amino monomer, the crown ether monomer is 4, 4 ', 4' ', 4 '''-(6, 7, 9, 10, 17, 18, 20, 21-octahydrodibenzo [B, K] [1, 4, 7, 10, 13, 16] hexaoxacyclo octadecene-2, 3, 13, 14-tetrayl) tetrabenzaldehyde, and the crown ether monomer is 4, 4 ', 4' ', 4'''-(6, 7, 9, 10, 17, 18, 20, 21-octahydrodibenzo [B, K] [1, 4, 7, 10, 13, 16] hexaoxacyclo octadecene-2, 3, 13, 14-tetrayl) tetrabenzaldehyde. The amino monomer is 4 ', 5'-bis (4-aminophenyl)-[1, 1 ': 2', 1 ''-terphenyl]-4, 4''-diamine. The crown ether covalent organic framework material BADT-DB18C6-COF prepared by the invention is mainly used as an adsorbent, is used for adsorbing and recovering uranium, thorium and americium ions from a solution, shows good adsorption capacity on radionuclides U-238, Th-232 and Am-243, and is particularly suitable for the field of spent fuel post-treatment in the nuclear industry.

The invention discloses an organic electroluminescent compound and a luminescent device. The organic electroluminescent compound has a structure as shown in a formula (1). In the structure of the N-type compound provided by the invention, an electron-rich group formed by carbazole and phenyl connected with the carbazole is substituted by deuterium, and the deuterated P-type compound in the core region is matched, so that the chemical stability, photoelectric stability and thermal stability of the structure of the luminescent material can be effectively improved, the stability of a luminescent device using the material is further improved, and the service life of the luminescent device is prolonged; meanwhile, the N-type compound and the deuterated P-type compound in the core area can form a good Premix material, good P / N stability and mass production stability are achieved in the evaporation process, the formed Premix material has more balanced carrier mobility, the efficiency of a device is greatly improved, and the service life of the device is greatly prolonged. And # imgabs0 #.

The preparation method comprises the following steps: by taking 2, 2 '-[4-(4-aminophenylazo) phenylimine] diethanol and phenol as raw materials, preparing a bisazobenzene compound according to a molar ratio of 1: 1, carrying out nucleophilic substitution on the compound and alkyl bromide according to a molar ratio of 1: 1 to prepare a bisazobenzene monomer, and carrying out side-chain type photoresponse bisazobenzene polyurethane on the bisazobenzene monomer to prepare the side-chain type photoresponse bisazobenzene polyurethane. And carrying out a reaction on the bisazobenzene monomer and diisocyanate urethane to obtain the side chain type photoresponse bisazobenzene polyurethane. The bis-azobenzene polyurethane has obvious trans-cis configuration change along with the increase of ultraviolet irradiation time in a tetrahydrofuran solution, and gradually recovers the trans configuration under the irradiation of visible light. Besides, the bisazobenzene polyurethane and polyurethane are subjected to melt blending to prepare a composite material film, and the composite material film has an obvious light-induced bending phenomenon under ultraviolet irradiation.

The invention discloses a high-temperature-resistant power tube and a production process thereof, and belongs to the technical field of power tube preparation. The high-temperature-resistant electric power tube is prepared from, by weight, 60-80 parts of a high-temperature-resistant base material, 10-30 parts of carbon fibers and 1-5 parts of a modified anti-aging agent, the high-temperature-resistant base material is prepared from 2, 3, 4-trifluorobenzaldehyde, malonic acid, oxynaphthalene propionic acid, trifluoroacetic anhydride and 2, 2-bis [4-(4-aminophenoxy) phenyl] propane, and the modified anti-aging agent is prepared from 2, 3, 4-trifluorobenzaldehyde, malonic acid, oxynaphthalene propionic acid, trifluoroacetic anhydride and 2, 2-bis [4-(4-aminophenoxy) phenyl] propane. The modified anti-aging agent is prepared from absolute ethyl alcohol, paeonol, sodium hydroxide and 2-methoxybenzaldehyde. The power tube prepared by the method has excellent high temperature resistance, mechanical property and aging resistance.

The present invention relates to novel (3,3-dimethyl-2-oxo-butoxy)phenyl derivatives and (2- aryl-2-oxo-ethoxy]phenyl derivatives and to their application in a process for the preparation of (3,3,3-trifluoro-2-oxo-propoxy)phenyl derivatives and their further transformation into [(2- trifluoromethyl-1,3-dioxolan-2-yl)methoxy]phenyl derivatives and (2-ethoxy-3,3,3-trifluoro- prop-1-enoxy)phenyl derivatives suitable for use, e.g., as active ingredients, which have microbiocidal activity, in particular, fungicidal activity.

The invention belongs to the technical field of OLEDs, and provides a polycyclic compound containing triphenyl silicon and a polyalkyl substituent group and an organic electroluminescent device containing the polycyclic compound. The structural general formula of the polycyclic compound is as shown in formula I in the specification. Benzofuran with higher electronegativity is introduced to a ring structure composed of nitrogen atoms and boron atoms, triphenyl silicon is introduced to the para-position of boron, and the synergistic effect of benzofuran and triphenyl silicon can significantly enhance the multiple resonance of a light-emitting core and reduce vibration relaxation. Due to simultaneous use of the benzofuran and the triphenyl silicon, the problems of vibration relaxation increase, spectrum widening and the like caused by introduction of the polyalkyl substituent are remarkably improved, the luminous efficiency of the material is remarkably improved, and the color purity is improved, so that the requirement of BT.2020 wide color gamut display standard on a luminescent spectrum is met. I

This disclosure relates to the use of di(alkyl substituted phenyl)amine antioxidants as additives in lubricant compositions having good oxidation properties in engine crankcase applications, especially in compression ignited engine and or spark ignited engine applications, where the antioxidant comprises from 0 to 10 mass% mono-C9-alkyl substituted diphenyl amine, and 90 to 100 mass% di-C9-alkyl substituted phenyl amines based upon the weight of the mono- and di-C9-alkyl substituted phenyl amines, preferably where tri-C9-alkyl substituted phenyl amines are minimized and ortho substituted di-C9-alkyl substituted phenyl amines are minimized.

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an electron transport material, an OLED with the electron transport material and an organic light-emitting device with the electron transport material. According to the electron transport material disclosed by the invention, triazinyl is taken as a framework, phenyl and cyano-substituted biphenyl is taken as a specific substituent group, methyl, adamantyl, phenyl and pyridyl are limited to be matched, and the electron transport material is used as a material for forming an electron transport layer to manufacture an organic electroluminescent device, so that the evaporation process of the device can be smoothly carried out; and the light-emitting efficiency of the organic light-emitting device is effectively improved, and the application prospect is very good.

The invention relates to the technical field of dielectric materials, and discloses polyimide, a polyimide film and a preparation method and application thereof, the polyimide is obtained by a polymerization reaction of a dianhydride monomer and a diamine monomer, the diamine monomer comprises a methylene bridging group and a phenyl group with a substituent group, and the methylene bridging group is a phenyl group with a substituent group. The substituent group at least comprises one methyl group. The molecular twisted conformation lock structure provided by the invention not only can improve the tolerance of polyimide, but also can doubly inhibit intrachain and inter-chain charge migration of the dielectric film, so that the dielectric film still has extremely high energy storage density and energy storage efficiency at a service temperature close to a glass-transition temperature.

The invention relates to the technical field of high polymer material chemistry, and discloses a high and low temperature resistant anti-yellowing optical adhesive and a preparation process thereof, the high and low temperature resistant anti-yellowing optical adhesive comprises the following components by weight: 40-60% of modified organic silicon resin, 20-30% of urethane acrylate, 10-15% of alicyclic epoxy resin, 0.5-5% of a nano inorganic filler, 0.8-2.5% of an anti-yellowing composite reagent, and the balance of a solvent. The coating is prepared from the following components in percentage by weight: 0.5 to 1.5 percent of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 0.1 to 0.3 percent of fluorine modified polyacrylate flatting agent and 0.3 to 1.0 percent of chloroplatinic acid-divinyl tetramethyl disiloxane complex catalyst. The preparation method comprises the following steps: mixing alpha, omega-dihydroxy polydimethylsiloxane and phenyltrimethoxysilane according to a mass ratio of 8: 2-7: 3, adding 0.3-1.0% of a chloroplatinic acid-divinyl tetramethyl disiloxane complex catalyst, and raising the temperature by stages under the protection of nitrogen, so that the glass transition temperature of the adhesive can reach 120 DEG C below zero and 125 DEG C, and the temperature of the adhesive can reach 120 DEG C below zero and 125 DEG C below zero. And the long-term service requirement of the optical device in an extreme temperature environment is met.

The invention discloses a preparation method of high-purity diiodosilane, which comprises the following steps: firstly, preparing a p-phenylsilane solution from phenyl trichlorosilane and sodium hydride as raw materials, rectifying and purifying the p-phenylsilane solution, directly reacting the p-phenylsilane solution with iodine to generate diiodosilane, and reacting phenylsilane with iodine to directly generate diiodosilane; in the process of preparing diiodosilane from phenylsilane, conditions are mild, the reaction process is controllable, the reaction time is shortened by controlling the temperature in the synthesis process and increasing the pressure of a reaction system, hydrogen iodide overflow is reduced, sodium hydride is adopted as a reducing agent in the reaction process, and the yield of diiodosilane is increased. The solid waste can be recycled, the cost can be effectively reduced, and industrialization of diiodosilane is facilitated.

The invention belongs to the technical field of biological dyes, and discloses a bio-based melanin precursor compound, bio-based melanin as well as a preparation method and application of the bio-based melanin precursor compound and the bio-based melanin. The invention provides a bio-based melanin precursor compound 4-[5-(2, 2-diaminoethyl)-2, 3-dihydroxyphenyl]-1H-indole-5, 6-diphenol, and a preparation method of the bio-based melanin precursor compound. The bio-based melanin precursor compound is stable in chemical property and easy to store. And the catalyst can be used as a raw material to efficiently synthesize bio-based melanin through a catalytic oxidation reaction. The process for preparing the bio-based melanin is simple, mild, high in yield and suitable for large-scale industrial production. The bio-based melanin prepared by the invention has good application performance during dyeing, does not generate harmful substances, and is safe and environment-friendly.

The invention provides a random copolymerization sulfonated phenyl polyphenyl ionomer material and a preparation method thereof, belongs to the technical field of proton exchange membrane materials of fuel cells, and aims to solve the technical problems of low conductivity and poor chemical stability of proton exchange membranes. The ionomer takes monomers I and II as raw materials, the raw materials are dissolved in a reaction medium of a polar solvent, a catalyst is added into a reaction system at the temperature of 70-100 DEG C, and the reaction continues for 3-6 h under the condition; pouring a reaction solution into a concentrated hydrochloric acid aqueous solution after the reaction is finished, separating out a precipitate, and filtering; and washing with concentrated hydrochloric acid and deionized water, and finally drying to obtain the target ionomer. The preparation method has the characteristics that the synthesis is simple, the cost is low, the molecular weight of the obtained polymer is high, the proton exchange membrane is good in conductivity, high in water absorption and the like, and the prepared proton exchange membrane has a wide application prospect when being used as a proton exchange membrane of a hydrogen fuel cell.

The invention provides a method for synthesizing 1, 2-bis (4-vinyl phenyl) ethane, which comprises the following steps: adding a first solvent, methyl triphenyl phosphine halide and strong alkali into a reaction flask, and uniformly stirring to obtain a first mixed solution; heating the first mixed solution and carrying out reflux reaction for 1 hour; dropwise adding a 1, 2-bis (p-formaldehyde phenyl) ethane solution until the reflux reaction is finished to obtain a second mixed solution; reducing the temperature of the second mixed solution to room temperature, and adjusting the pH value of the second mixed solution to obtain a first solution; layering the first solution, and taking an organic layer; adding a polymerization inhibitor into the organic layer to obtain a second solution; concentrating the second solution to obtain a 1, 2-bis (4-vinyl phenyl) ethane crude product; adding a poor solvent into the crude product, stirring and crystallizing; filtering the crystal to obtain a filter cake, adding a second solvent into the filter cake, and washing and drying the filter cake to obtain 1, 2-bis (4-vinyl phenyl) ethane; the method for synthesizing the BVPE is simple and low in raw material cost, and the synthesized BVPE is high in purity and free of product isomeride.

The invention is applicable to the technical field of intelligent response materials, and provides a three-dimensional azobenzene functionalized covalent organic framework intelligent response material and a preparation method thereof. The three-dimensional azobenzene functionalized covalent organic framework intelligent response material is prepared by uniformly grinding 3, 3 ', 5'-tetra [(3 ', 5'-diformylphenyl)]-hexamethyl biphenyl and azobenzene-4, 4 '-diaminotriphenylamine, adding an organic solvent, adding a catalyst acetic acid aqueous solution, quickly freezing, emptying air, sealing with flame, heating after recovering to room temperature, and obtaining the three-dimensional azobenzene functionalized covalent organic framework intelligent response material. According to the invention, the azobenzene functionalized covalent organic framework material with a bcu topological structure is synthesized; the material has excellent photostimulation response CO2 adsorption performance; reversible control of CO2 adsorption capacity can be realized through ultraviolet light and heating conditions, at least five times of circulation can be maintained, and good circulation stability is achieved.

The invention relates to a high-stability bronze powder pigment and a preparation method and application thereof.The preparation method comprises the following steps that copper-zinc alloy coarse powder, stearic acid and a dissolved compound passivator are taken and subjected to ball milling in the nitrogen atmosphere, and a ball milling product is screened, washed and subjected to suction filtration to obtain an amino-functionalized passivated base material; the preparation method comprises the following steps: dispersing SiO2 in anhydrous isopropanol to obtain a reaction system, adding deionized water and a catalyst, dissolving tetraethoxysilane and phenyltriethoxysilane in anhydrous isopropanol, slowly dropwise adding, carrying out a heat preservation reaction, and carrying out suction filtration and washing to obtain a phenyl modified SiO2 coated intermediate; the preparation method comprises the following steps: dispersing a compound stabilizer in anhydrous isopropanol to obtain a mixed system, heating and stirring, dissolving the compound stabilizer in anhydrous isopropanol, dropwise adding into the mixed system, reacting, centrifuging, washing, and drying in vacuum to obtain the bronze powder pigment. The bronze powder pigment disclosed by the invention has excellent oxidation resistance, chemical corrosion resistance and long-term storage stability, and can keep the natural color gloss of metal to the greatest extent.

The invention belongs to the technical field of organic silicon damping materials, and particularly relates to a polyborosiloxane type damping additive for phenyl siloxane rubber as well as a preparation method and application of the polyborosiloxane type damping additive. The polyborosiloxane type damping additive for phenyl siloxane rubber is prepared from hydroxyl-terminated polysiloxane and a boron-containing aryl compound, and the hydroxyl ratio of the hydroxyl-terminated polysiloxane to the boron-containing aryl compound is 1: (0.2-3). From the perspective of molecular structure design, aryl groups are introduced into polyborosiloxane molecules, the obtained polyborosiloxane type damping additive has good compatibility with phenyl siloxane rubber, cannot be separated from the phenyl siloxane rubber, and can provide good damping performance for the phenyl siloxane rubber; the effective damping temperature range of the phenyl silicone rubber is greatly widened, and the requirement of the market for high-performance damping silicone rubber is met.

The invention relates to the field of cables, and discloses a modified polyvinyl chloride composite material for cables and a preparation method thereof.The composite material comprises low-density polyethylene, polyvinyl chloride, ethylene-vinyl acetate copolymer, nitrile rubber, modified graphene oxide, modified nano calcium carbonate and auxiliaries; the modified graphene oxide is prepared by reacting acylating chlorination of graphene oxide with an anti-aging derivative, the anti-aging derivative is prepared by reducing a benzoxazole-containing intermediate generated by a reaction of 2-amino-4-bromophenol and 4-cyanobenzaldehyde to obtain an aminated benzoxazole-containing intermediate, then the aminated benzoxazole-containing intermediate reacts with p-phenylenediamine, and then the product reacts with 3-(3, 4-dichlorophenyl)-1, 2, 3-triazole-3-one to obtain the anti-aging graphene oxide. 2, 5-di-tert-butyl-4-hydroxyphenyl) propionyl chloride is subjected to a reaction to prepare the product. And the modified nano calcium carbonate is prepared by reacting phosphonitrilic chloride trimer with an amino silane coupling agent and 2-amino benzoxazole-5-borate and then grafting on the surface of the nano calcium carbonate. The composite material prepared by the invention has excellent flame retardance, heat resistance and long-acting oxidation resistance.

The present application relates to a various novel crystalline forms of 2- [3,5-dichloro -4-(5-isopropyl-6-oxo-1,6-dihydropyridazin-3-yloxy) phenyl]-3,5- dioxo- 2,3,4,5-tetrahydro [1,2,4] triazine-6-carbonitrile represented by the following structural formula-1, which is referred to as Resmetirom. The present application also relates to process for the preparation of various novel crystalline polymorphic forms of compound of formula-1.

The invention provides a phenyl-containing organic silicon resin film-forming agent as well as a preparation method and application thereof. The organic silicon resin film-forming agent comprises organic silicon resin as shown in a structural general formula (I): (R13SiO0.5) a (R2SiO1.5) b (PhSiO1.5) c (SiO2) 1 (I), wherein a is greater than 0.2 and less than 1; b > = 0; 0.1 < c < 1. According to the organic silicon resin film-forming agent disclosed by the invention, by reasonably matching the proportion of each unit and introducing a phenyl group, the obtained organic silicon resin film-forming agent not only has excellent film-forming property and flexibility, but also has excellent compatibility with natural grease and other organic matters containing a large number of alkyl groups. In addition, the organic silicon resin film-forming agent also has excellent skin-attaching performance and is difficult to wipe manually after being coated on the skin to form a film, various performances can meet the requirements of daily chemical products, and the organic silicon resin film-forming agent can be widely applied to daily cosmetics, personal care products or medical products.

The invention relates to a (methyl) acrylate monomer as well as a preparation method and application thereof, the structural general formula of the (methyl) acrylate monomer is as follows: # imgabs0 #, n is an integer of 1-20, and R1 is methyl or hydrogen; r2 and R3 are selected from hydrogen, Br, phenyl, methyl or # imgabs 1 #, wherein A1 in the # imgabs 2 # is phenyl or methyl. According to the (methyl) acrylate monomer provided by the invention, the molecular size of the whole monomer is relatively small, the whole monomer has a plurality of branched chain structures, the carbon chain length of a main chain is controllable, and the (methyl) acrylate monomer has high refractive index and good intermiscibility with other components.

The invention discloses a corrosion-resistant polysilsesquioxane modified polyurethane emulsion and a preparation method thereof, and belongs to the technical field of emulsions.The preparation method comprises the steps that gamma-aminopropyltriethoxysilane, namely APTES, is subjected to hydrolytic condensation under the catalysis of tetraethylammonium hydroxide, and POSS is prepared; the preparation method comprises the following steps: carrying out hydrolytic condensation reaction on APTES, synchronously adding phenyltrimethoxysilane in the hydrolytic condensation reaction, forming phenyl-amino difunctional POSS (Polyhedral Oligomeric Silsesquioxane) according to a molar ratio of phenyltrimethoxysilane to APTES of 1: 4, and grafting POSS and graphene oxide GO in dimethyl sulfoxide through amidation reaction to prepare a POSS / GO composite material; dispersing POSS / GO / Zn in the polyurethane prepolymer, adding a curing agent and a solvent, and stirring to form a homogeneous emulsion; through phenyl trapezoid polysilsesquioxane modification and dynamic reversible self-repairing network design, the wear resistance of the coating is improved, microcracks can be closed at the temperature of 60 DEG C, and the maintenance requirement is reduced; laser micro-nano structured base material treatment is combined, the adhesive force is increased to be larger than or equal to 20 MPa, and meanwhile a gamma-butyrolactone low-VOC solvent is adopted.

The invention discloses a comb-type polyphosphate polymeric dispersant and a preparation method thereof, the dispersant is prepared by preparing a phosphate monomer from acrylate and phosphorus pentoxide, then copolymerizing the phosphate monomer with phenyl alkene or alkyl alkene, and finally adding alkali liquor for neutralization. A phosphate-polyether bifunctional side chain is introduced to a main chain, a phosphate group provides electrostatic repulsion, and a polyether group enhances steric hindrance, so that the dispersing agent can meet the requirements of strong adsorption and long-range stability at the same time, and a more durable and effective stabilizing effect is provided for a dispersion system.

The invention provides a film stripping liquid and a preparation method thereof. The film stripping liquid is composed of a solubilizer, a metal corrosion inhibitor, a surface leveling agent and an organic solvent. Wherein the solubilizer can be a combination containing benzene series, so that the solubility of the photoresist in an organic solvent can be improved, and the service life of the stripping liquid is prolonged. The surface leveling agent is one or more of 1, 3-propylene glycol, 2-phenyl-1, 3-propylene glycol and 2-amino-1, 3-propylene glycol, and is used for improving the uniformity of the film stripping liquid in the film stripping process and avoiding the uneven concave-convex phenomenon on the surface of the photoresist. The metal corrosion inhibitor can be selected from azole or polyphenol compounds and can inhibit corrosion of metals such as Cu and Ag in the film stripping process; and the organic solvent is a combination of xylene and dichloromethane and is mainly used for dissolving and removing the expanded and fallen photoresist. According to the film stripping liquid provided by the invention, the glue stripping speed can be increased, the glue stripping uniformity can be remarkably improved, in addition, metals can be effectively protected from being corroded, and the corrosion speed of the metals such as Cu and Ag is controlled to be limited below 1 A / min.

The invention relates to the field of copper-clad plates, and discloses a low-dielectric-constant high-performance copper-clad plate and a preparation method thereof.The preparation method comprises the specific steps that epoxy resin, phenolic resin, polyphenyl ether modified resin, modified nano silicon dioxide and the like are taken and mixed to obtain a resin glue solution; impregnating glass fabric in the resin glue solution to obtain a prepreg; laminating prepregs, and covering copper foil for hot pressing; the polyphenyl ether modified resin comprises epoxy resin, diallyl cyanate and fluorine-containing polyphenyl ether resin prepared by reaction of polyphenyl ether, bisphenol AF and benzoyl peroxide; the modified nano silicon dioxide is prepared by reacting allyl glycidyl ether, vinyltriethoxysilane and phenyltris (dimethylsiloxane) silane, then grafting with a phosphorus-containing intermediate to prepare a modified additive, and grafting with nano silicon dioxide, and the phosphorus-containing intermediate is prepared by reacting phenylphosphoryl dichloride and eugenol. The copper-clad plate with high flame retardance, high peel strength, heat resistance and low dielectric constant is prepared.

The invention relates to the field of coatings, and discloses weather-resistant and scratch-resistant coated glass and a preparation method thereof.The coated glass comprises a glass substrate and a functional coating formed by thermocuring of a coating composition, and the coating composition comprises waterborne polyurethane, a functional additive and modified graphene oxide; the functional additive is prepared from silica sol and aminopropyl double-terminated polydimethylsiloxane grafted modified nano titanium dioxide; the modified nano titanium dioxide is prepared by enabling 2-(2, 4-dihydroxyphenyl)-2H-benzotriazole and a chloropropyl silane coupling agent to react, grafting the reaction product on the surface of nano titanium dioxide, and then grafting isophorone diisocyanate and pentaerythritol triacrylate; the modified graphene oxide is prepared by grafting a flame-retardant modifier prepared by reacting 3-amino-1, 2, 4-triazole, an amino silane coupling agent, terephthalaldehyde and DOPO with graphene oxide, and the coated glass prepared by the preparation method disclosed by the invention is high in hardness, good in flame retardance and antifouling effect and excellent in wear resistance and ultraviolet resistance.

The invention discloses an ion exchange membrane based on an intrinsic microporous polymer, and a preparation method and application thereof, and belongs to the technical field of high polymer materials. According to the application, 1, 3, 5-tri (4-aminophenyl) benzene (TAPB) and dimethyl formal are taken as polymeric monomers, a polymer with intrinsic sub-nano micropores and a corresponding homogeneous ion exchange membrane are prepared by utilizing the structural characteristics of rigidity and distortion of the TAPB, an ion transmission channel is formed by a unique micropore structure, and the sub-nano micropores have a size screening effect, so that the ion exchange membrane can be used for preparing the ion exchange membrane. The selective separation of monovalent / multivalent anions can be realized; after quaternization treatment is carried out on the membrane and a positively charged group is introduced, the positively charged group has a strong electrostatic repulsion effect, and selective separation of monovalent / multivalent cations can be realized, so that the polymer ion exchange membrane disclosed by the invention can be simultaneously applied to an acid-base recovery process, and has the characteristics of high selectivity, high permeation flux and stable long-term operation.