150 results about "Phenyl Ethers" patented technology

The present invention provides a blue pigment color paste for a gel pen, the blue pigment color paste contains a blue pigment, a nonionic surfactant, an acrylic resin and water, the nonionic surfactant is a polyoxyethylene polycyclic phenyl ether surfactant, and the acrylic resin is an acrylic resin having an aryl group. The pigment color paste provided by the invention has excellent storage stability, has excellent lubricity after being prepared into ink, and can realize good writing feeling.

The invention discloses a reversible thermosensitive polymer functional dye and a preparation method thereof, and belongs to the technical field of thermosensitive color-changing dyes, the reversible thermosensitive polymer functional dye comprises a color-changing core material and a transparent microcapsule, and the transparent microcapsule coats the color-changing core material. The color-changing core material is prepared from the following components: 8 to 12 parts of color-changing dye ODB, 15 to 28 parts of a color developing agent BFPA, 210 to 400 parts of a solvent benzyl phenyl ether, 6 to 15 parts of an antioxidant, 125 to 220 parts of montmorillonite subjected to surface treatment by an organosilane modified organic cationic surfactant, 56 to 82 parts of a nonionic polymer suspending aid and 5 to 12 parts of an ultraviolet light absorber; the capsule wall of the transparent microcapsule is prepared from a transparent polymer. The reversible thermosensitive polymer functional dye can improve the acting force of a color developing agent BFPA and a solvent benzyl phenyl ether, so that a complex of BFPA and thermosensitive black ODB is separated as soon as possible, and the color contrast of the reversible thermosensitive polymer functional dye in two states of color development and decoloration is improved.

The invention relates to food contact safety type water-based single-component gradient barrier acrylic acid industrial anticorrosive paint with heterostructure topology as well as a preparation method and application of the food contact safety type water-based single-component gradient barrier acrylic acid industrial anticorrosive paint. The coating is mainly prepared from the following components: a zinc molybdate / bentonite compound, triethanolamine, deionized water, titanium dioxide, barium sulfate, an ammonium polyacrylate dispersing agent, acrylic resin, a polyether modified polysiloxane wetting agent, hydroxyethyl cellulose ether, a non-silicon mineral oil defoaming agent, propylene glycol phenyl ether and 1, 3-propylene glycol. A three-dimensional interpenetrating network is constructed through charge-driven self-assembly of branched acrylic resin and zinc molybdate / bentonite, a corrosive medium is forced to diffuse along a zigzag path, and compared with a traditional homogeneous coating, the retarding efficiency is improved; and meanwhile, a Fe-OOCR chelating passivation layer is generated in situ by utilizing selective enrichment of carboxyl functional groups on a metal base material interface, and a multi-stage physical barrier is formed by combining gradient distribution of the titanium dioxide-barium sulfate core-shell filler, so that geometric blocking and energy dissipation of a corrosion medium permeation path are realized.

The present invention discloses a phenyl ether-based bimetallic organic framework antifouling material, its preparation method, and its application, belonging to the technical field of marine antifouling materials. The preparation method is as follows: 1) A phenyl ether organic ligand containing a carboxyl group, a zinc salt, and a lanthanide metal salt are dissolved in a polar organic solvent and placed in a sealed reaction vessel for a coordination reaction, whereby the zinc and lanthanide metal ions form coordination bonds with the carboxyl groups, bridging the metal ions to form a tetrametallic cluster; the resulting crystals are washed and dried to obtain the phenyl ether-based bimetallic organic framework; 2) the phenyl ether-based bimetallic organic framework is ground and uniformly dispersed in an aqueous polyurethane resin, followed by thorough mixing to obtain the phenyl ether-based bimetallic organic framework antifouling material. The present invention also provides the application of the antifouling material in marine antifouling and anticorrosion applications. The antifouling material prepared by the present invention has low synthesis cost and difficulty, stable properties, and significant inhibitory effect on the settlement of organisms such as diatoms and barnacles.

The invention discloses an unsaturated phenyl ether monomer, a holographic recording medium, a preparation method and a related device, the structural general formula of the monomer is as shown in G1 and G2, R1 represents any one of R2, A1 and A2 independently represent any one of hydrogen and phenyl, A3 represents hydrogen or methyl, A4 represents C1-C4 alkyl or phenyl, n is a positive integer and n = 1-5. The unsaturated phenyl ether monomer provided by the invention has high refractive index and is in a liquid state, and the holographic recording medium with high sensitivity, high diffraction efficiency and high refractive index modulation degree can be obtained by applying the unsaturated phenyl ether monomer to preparation of the photopolymer type holographic recording medium.

The application discloses an influenza virus extraction diluent and application thereof, and the diluent comprises Na2HPO4*12H2O, NaH2PO4*2H2O, NaCl, Proclin 300, ethylenediaminetetraacetic acid disodium salt dihydrate, polyoxyethylene-8-octylphenyl ether and alkylphenol polyoxyethylene ether. The polyoxyethylene-8-octylphenyl ether and the alkylphenol polyoxyethylene ether added in the diluent improve the virus extraction capacity, enhance the stability of the product, save the cost and time, provide a reference value for other products, prolong the product service life for customers, reduce the limitation, are more suitable for the temperature, and have greater market value.

The invention provides a preparation process of a PET (Polyethylene Terephthalate) film laser printing coating, and belongs to the technical field of laser printing coatings. 72-75 parts of water-based acrylic resin emulsion, 2-2.5 parts of polydimethylsiloxane, 5-7 parts of silicon-doped titanium dioxide, 1-2 parts of a silane coupling agent KH-570, 2-3 parts of a cross-linking agent vinyltriethoxysilane, 2-4 parts of a coalescing agent propylene glycol phenyl ether, 0.6-0.8 part of a photoinitiator and 0.3-0.5 part of a defoaming agent are put into a double-screw high-speed dispersion machine to be dispersed and left to stand, and a mixture is obtained; s2, carrying out corona treatment on the PET film to obtain a pretreated PET film; and S3, uniformly coating the pretreated PET film obtained in S2 with the mixture obtained in S1, and performing curing treatment to obtain the PET film laser printing coating. The heat resistance of the prepared PET film laser printing coating and the adsorption capacity of the PET film laser printing coating to carbon powder can be effectively improved.

An ionic cuprous complex with thermally activated delayed fluorescence performance, characterized in that: the ionic cuprous complex with thermally activated delayed fluorescence performance is tetrakis(3,5-bis(trifluoromethyl)phenyl)boronic acid-[bis(2-diphenylphosphinophenyl)ether]-[1,10-phenanthroline]copper(I), tetrakis(3,5-bis(trifluoromethyl)phenyl)boronic acid-[4,5-bisdiphenylphosphino-9,9-dimethylxanthene]-[1,10-phenanthroline]copper(I), tetrakis(3,5-bis(trifluoromethyl)phenyl)boronic acid-[4,5-bisdiphenylphosphino-9,9-dimethylxanthene]-[1,10-phenanthroline]copper(I), tetrakis(3, 5-Bis(trifluoromethyl)phenyl)boronic acid-[bis(2-diphenylphosphinophenyl)ether]-[4,7-diphenyl-1,10-phenanthroline]copper(I), tetrakis(3,5-bis(trifluoromethyl)phenyl)boronic acid-[4,5-bis(diphenylphosphinophenyl)ether]-[4,7-diphenyl-1,10-phenanthroline]copper(I), with complexes 1b, 2a, and 2b as luminescent dyes. These complexes have application value in the recording, storage, and protection of information.

The invention discloses high-wettability reactive nano-silver ink for flexible electronics and a preparation method and application thereof.The preparation method comprises the following steps that S1, silver citrate is weighed and placed in a container, ammonia water is added, and a mixture A is obtained; s2, adding a citric acid solution and organic alcohol into the mixture A to obtain a mixture B; s3, adding ascorbic acid into the mixture B, performing ultrasonic treatment, and filtering to obtain filtrate which is a mixture C; and S4, a surfactant is added into the mixture C, the surfactant is one or more than two of a polyoxyethylene acid ester surfactant, a polyether modified siloxane surfactant and a phenyl ether surfactant, and the ink is obtained after ultrasonic filtration. The prepared ink has excellent stability, can realize low-level rapid sintering, and shows excellent wettability on a silicon substrate.

The invention provides a self-assembled surfactant as well as preparation and application thereof. The preparation method comprises the following steps: adding an anionic surfactant and a nonionic surfactant into a buffer solution, uniformly mixing, and heating until the anionic surfactant and the nonionic surfactant are completely molten, so as to obtain the self-assembled surfactant. Wherein the anionic surfactant is one or more of lignosulfonate, secondary alkyl sulfonate and alpha-olefin sulfonate; the nonionic surfactant is one or more of polyethylene glycol, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkyl ether and polyoxyethylene nonyl phenyl ether. The specific anionic surfactant and the nonionic surfactant are compounded, self-assembly is completed through heating, and the obtained self-assembly surfactant can remarkably improve the enzymolysis efficiency of lignocellulose.

The invention belongs to the technical field of polyimide materials, and particularly relates to an interpenetrating network type polyimide material as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out first polycondensation on pyromellitic dianhydride and 4, 4 '-diaminodiphenyl ether to obtain first polyamide acid; performing first cross-linking on the first polyamide acid under the action of a first cross-linking agent to obtain a first cross-linked network; carrying out second polycondensation on the amino-terminated poly (dimethyl siloxane) and 4, 4 '-(hexafluoroisopropenyl) diphthalic anhydride to obtain second polyamide acid; mixing the first polyamic acid and the second polyamic acid for pre-reaction, and then adding a second cross-linking agent for second cross-linking to obtain a precursor solution; and carrying out imidization on the precursor solution to obtain the interpenetrating network type polyimide material. The interpenetrating network type polyimide material obtained by the preparation method provided by the invention realizes synergistic enhancement of strength and toughness.

The invention discloses a self-repairing mute tire and a preparation method thereof, and relates to the technical field of tires, the self-repairing mute tire comprises a tire body, and a self-repairing rubber layer and a mute material which are sequentially attached to the inner wall of the tire body from inside to outside; the self-repairing adhesive layer is prepared from the following components: epichlorohydrin rubber, acrylate rubber, a rosinyl phenyl phosphine oxide isoxazolyl functional polymer, 4, 4-chloroformyl phenyl ether, a catalyst, 2, 2-bis [4-(4-aminophenoxy) phenyl]-1, 1, 1, 3, 3, 3-hexafluoropropane, trithiocyanuric acid, a filler, an accelerant TMTD (Tetramethylthiuram Disulfide) and an auxiliary agent; the rosinyl phenyl phosphine oxide isoxazolyl functional polymer comprises structural units introduced through a condensation polymerization reaction of the following monomers: glycerol triabietate, bis (4-carboxyl phenyl) phenyl phosphine oxide and 3, 5-isoxazoledicarboxylic acid. The tire is remarkable in self-repairing effect, good in mute performance, sufficient in performance stability and long in service life.

The invention discloses a preparation method of phloroglucinol triglycidyl ether, which comprises the following steps: (1) under the action of a catalyst and at the temperature of 100-130 DEG C, performing ring-opening reaction on phloroglucinol and epoxy chloropropane to generate tris (3-chloro-2-hydroxy propyl) phenyl ether; (2) adding water accounting for 1% of the total amount of reactants at 30-80 DEG C, adding alkali metal hydroxides in batches, and carrying out dehydrochlorination reaction; (3) dissolving the crude product obtained in the step (2) in a water-insoluble solvent, and washing with a low-concentration alkali metal hydroxide aqueous solution at 30-100 DEG C; and (4) washing with a low-concentration sodium dihydrogen phosphate solution, and carrying out reduced pressure distillation on a solvent layer to remove the solvent, thereby obtaining the phloroglucinol triglycidyl ether. By adopting the mode, the phenol type glycidyl ether with close to three functionality degrees can be synthesized.

The invention relates to the technical field of chromatographic packing, in particular to phosphine-containing ligand modified silica gel chromatographic packing and a preparation method thereof.The preparation method comprises the steps that firstly, porous silsesquioxane microspheres containing diphenylphosphine ligands are designed and synthesized to serve as a functional unit, and modified bridged silane containing a phenyl ether structure serves as an alkali-resisting enhancing unit; then copolycondensation is carried out on the units and tetraethoxysilane through a sol-gel method, an organic-inorganic hybrid silica gel skeleton is constructed, and finally the pore channel structure of the filler is optimized through a two-step pore expanding technology. According to the method, a phosphine ligand is firmly embedded into a silica gel skeleton in a covalent bond form, and modified bridged silane containing a phenyl ether structure is used as a part of the skeleton to provide hydrophobic protection and space stabilization effects, so that long-term stability of the filler in a strong alkaline environment and high-capacity and high-selectivity adsorption of metal ions are synergistically realized.

The invention belongs to the field of organic synthesis, and particularly relates to a synthesis method of a 3-phenoxy substituted benzofuran compound. In an inert gas environment, a 2-fluorobenzyl phenyl ether compound as shown in a formula 1 and a methyl benzoate compound as shown in a formula 2 are mixed with an organic solvent tetrahydrofuran to react in the presence of bis (trimethylsilyl) caesium amino, and the 3-phenoxy substituted benzofuran compound as shown in a formula 3 is synthesized under a heating condition. According to the method, the raw materials which are easy to obtain are used, benzofuran is synthesized through a transition-metal-free method, and the method has potential application value in synthesis of active pharmaceutical ingredients.

The invention relates to the technical field of sol agents, in particular to a hot melt adhesive scavenger. The hot melt adhesive scavenger is specifically prepared from the following components in parts by weight: 10 to 15 parts of dodecylbenzene sulfonic acid, 15 to 20 parts of N-methyl pyrrolidone, 5 to 10 parts of dimethyl sulfoxide, 5 to 10 parts of crosslinked polystyrene resin, 10 to 20 parts of cyclohexanone, 15 to 20 parts of propylene glycol phenyl ether, 2 to 5 parts of modified fumed silica and 0.5 to 1 part of benzotriazole. Through the synergistic effect of the organic acid and the polar solvent, the internal structural force of the adhesive and the adhesive force with a screen are destroyed, and meanwhile, the hot melt adhesive scavenger with good cleaning efficiency and stability is obtained by compounding various components.

A polymer comprising pyridinium salt moieties, wherein the polymer has the following structure: In this structure, R1 and R6 are each N. At least a portion of R2 and R7 groups in the polymer are each negatively charged counterions selected from the group consisting of carboxylates, nitrates, nitrites, azides, metasilicates, tetraborate, perborates, boronates, oxalatob orates, metaborates, phosphorus-containing anions, halides, sulfates, SO4 -2, HSO4 -1, thiosulfate, dithionite, metabisulfite, persulfate, methanesulfonate, dioctyl sulfosuccinate, 3-sulfopropyl ethoxylate laurylphenyl ether, and combinations thereof. R3, R4, R8, R9, R11, R13, R14, R15, and R16 are each selected from the group consisting of H and groups including one or more carbon atoms. R5 and R10 are any group including one or more carbon atoms. The n is an integer from 2 to about 100,000.

The application provides a dyeing solution and a dyeing method for para-aramid. The dyeing solution comprises polyester paste, ethylene glycol phenyl ether, dye mother liquor, pH regulator and solvent. The dyeing solution is most favorable for dyeing under the synergistic effect of ethylene glycol phenyl ether, polyester paste powder and sodium carbonate, and the dyeing effect gradually improves with the increase of the ratio of the three. The dyeing method specifically comprises the following steps: soaking para-aramid fibers in water, adding polyester paste and pH regulator, then performing temperature raising and holding treatment, then adding ethylene glycol phenyl ether for treatment, and finally adding dye mother liquor for dyeing. The method can efficiently utilize the carrier, reduce the carrier dosage, and ensure the fiber dyeing effect. After the dyeing depth is improved, the excellent sunlight resistance of the vat dye is utilized.

The utility model relates to a mixing device for producing ethylene glycol monophenyl ether, which comprises an outer pipe body, a static mixing sheet I and a static mixing sheet II, two positioning holes are arranged on the top side of the outer pipe body, notches are arranged on the inner peripheral sides of the two positioning holes, the positioning holes are communicated with the outer pipe body through the notches, and the static mixing sheet I and the static mixing sheet II are arranged in the outer pipe body. And limiting pieces are arranged in the two positioning holes. The utility model relates to the technical field of ethylene glycol phenyl ether production. When the mixing device for ethylene glycol phenyl ether production is used, two limiting shafts are inserted into corresponding positioning holes, and an arc-shaped plate is quickly limited through a sliding clamping rod, so that the effect of quickly mounting a plurality of static mixing sheets I and static mixing sheets II is achieved, and meanwhile, the situation that fastening nuts need to be tightened, so that the clamping rods are damaged is avoided. Therefore, the installation time of the first static mixing piece and the second static mixing piece is prolonged, and the installation efficiency of the first static mixing piece and the second static mixing piece is improved.

The application relates to the technical field of anticorrosive paint and discloses long-acting aging-resistant acrylic anticorrosive paint and a production process thereof, wherein the long-acting aging-resistant acrylic anticorrosive paint comprises the following components by weight: 40-50 parts of acrylic emulsion, 4-8 parts of polyester resin, 4-8 parts of amino resin, 3-4 parts of film-forming aid, 20-25 parts of modified talcum powder, 10-12 parts of solvent and 4-5 parts of auxiliary agent; the modified talcum powder is obtained by modifying talcum powder with a modifier, wherein the modifier comprises 2-[(2-methoxy-4-nitrophenyl)amino]ethanol and / or hydroxybutyryl amide phenyl ether. The above technical scheme solves the problem of poor anticorrosive performance of the acrylic anticorrosive paint in the prior art.

The invention discloses a temperature-resistant polyurethane thermal insulation material and a preparation method thereof. The temperature-resistant polyurethane thermal insulation material is prepared from the following raw materials: polymerized MDI, phenyl ether type polyether polyol, bifunctional polyether, a foaming agent HFO-1336mzZ, cyclopentane, an organic silicon-fluorocarbon stabilizer, a catalyst, a phosphorus-nitrogen composite flame retardant, nano silicon dioxide and a hindered phenol antioxidant. The temperature resistance of the thermal insulation material is improved to 130 DEG C from the current 105 DEG C, and the retention rate of high-temperature compression resistance is greater than or equal to 60%; the compressive strength of the foam is improved to be greater than or equal to 0.3 MPa from the current 0.2 MPa; long-term aging test and residue detection are passed, the stability of foam at 130 DEG C is confirmed, and the problems of low mechanical strength and low temperature resistance level in the current polyurethane thermal insulation material industry are effectively solved.

A polymer comprising pyridinium salt moieties, wherein the polymer has the following structure: In this structure, R1 and R6 are each N. At least a portion of R2 and R7 groups in the polymer are each negatively charged counterions selected from the group consisting of carboxylates, nitrates, nitrites, azides, metasilicates, tetraborate, perborates, boronates, oxalatob orates, metaborates, phosphorus-containing anions, halides, sulfates, SO4 -2, HSO4 -1, thiosulfate, dithionite, metabisulfite, persulfate, methanesulfonate, dioctyl sulfosuccinate, 3-sulfopropyl ethoxylate laurylphenyl ether, and combinations thereof. R3, R4, R8, R9, R11, R13, R14, R15, and R16 are each selected from the group consisting of H and groups including one or more carbon atoms. R5 and R10 are any group including one or more carbon atoms. The n is an integer from 2 to about 100,000.

This invention relates to the field of building materials technology, and particularly to a viscosity-reducing polycarboxylate superplasticizer and its preparation method. The viscosity-reducing polycarboxylate superplasticizer uses polyethylene glycol dicyclopentenyl ether methacrylate as the macromonomer, combined with 2-methacryloyloxyethyl phosphocholine, 4-vinylphenylboronic acid, and polyethylene glycol phenyl ether methacrylate as small monomers, prepared via free radical polymerization. Finally, it undergoes freeze-drying and grinding to obtain the target powder product. When the prepared superplasticizer is added to concrete mixtures, it swells and unfolds into a comb-shaped polymer under mechanical stirring and alkaline conditions. Through PEG long side-chain lubrication and steric hindrance, the regulation of surface tension / interfacial energy by phosphocholine groups, and the selective adsorption of borate groups, the initial viscosity is significantly reduced, the viscosity increase over time is controlled, and segregation and bleeding are effectively suppressed, making it suitable for various cementitious systems.

The application discloses a near-infrared distinguishing and iron-apoptosis-enhancing functional fluorescent probe and a preparation method and application thereof. The structural formula of the near-infrared distinguishing and iron-apoptosis-enhancing functional fluorescent probe is as follows: firstly, the traditional boronic acid ether trigger unit is improved to be a cyclic diboronic acid ester, N-methyl imidodicarboxylic acid is introduced above the phenylboronic acid to improve the response threshold, and the benzyl ether structure is abandoned and replaced by a phenyl ether structure, which also plays a role in further increasing the oxidation threshold; secondly, the response threshold is adjusted, and in combination with the strong coordination function of the released Fe(III), the cancer environment selectively triggers and releases the functional probe for iron-apoptosis enhancement. The probe disclosed by the application increases the difference in the reaction threshold between the cancer cell environment and the normal cell environment, and through twice adjustment, the fluorescence trigger difference is increased, the iron-apoptosis intermediate is released at the same time of fluorescence triggering, the cancer cells are caused to undergo iron-apoptosis, and the probe is applied to the detection of tumor cells.

The present application relates to the technical field of chromatographic packing, in particular to a kind of phosphine ligand modified silica gel chromatographic packing and preparation method thereof, the present application first designs and synthesizes the porous silsesquioxane microspheres containing diphenyl phosphine ligand as functional unit, and the modified bridged silane containing phenyl ether structure as alkali-resistant reinforcing unit, then by sol-gel method, the above unit is copolymerized with tetraethyl orthosilicate, constructs organic-inorganic hybrid silica gel skeleton, finally, the pore structure of packing is optimized by two-step hole expansion process;The method makes phosphine ligand firmly embedded in the interior of silica gel skeleton in the form of covalent bond, and the modified bridged silane containing phenyl ether structure provides hydrophobic protection and space stabilization effect as part of the skeleton, so as to realize the long-term stability of packing in strong alkaline environment and high capacity, high selectivity adsorption of metal ions.

The invention relates to a fermentation medium of porcine circovirus type 3 (PCV3) Cap protein virus-like particles and a fermentation method thereof. The fermentation culture medium comprises tryptone, a yeast extract, casein hydrolysate, sorbitol, glycerol, polyoxyethylene mono-tert-octyl phenyl ether and the like. Methanol is supplemented for three times in the fermentation process, so that the expression efficiency of the Cap protein of PCV3 is remarkably improved, and correct folding and self-assembly of the Cap protein into the virus-like particles are promoted. According to the culture medium and the method, generation of impure protein is reduced, the purification cost is reduced, and key technical support is provided for industrial production of PCV3 subunit vaccines.

The present application relates to the technical field of oil and gas field exploitation, and specifically to a drag reducer for oil and gas gathering and transportation and its application, comprising a first polymer molecule and a second polymer molecule, wherein the first polymer molecule and the second polymer molecule are bonded by intermolecular association; the first polymer molecule comprises the following preparation raw materials: hexadecyl methacrylate, ethylene glycol mono-9-octadecene-1-ether, allyl triethylammonium chloride, azobisisoheptonitrile, polyethylene glycol monooctylphenyl ether, hydroxyethyl cellulose, modified nano-alumina, and an interfacial compatibilizer; the second polymer molecule comprises the following preparation raw materials: hexadecyl methacrylate, styrene p-propanesulfonate, 3,7-dimethyl-6-octenoic acid, azobisisoheptonitrile, polyethylene glycol monooctylphenyl ether, hydroxyethyl cellulose, organically modified nano-diatomaceous earth, and an interfacial compatibilizer; the drag reducer prepared by the association of the two specific polymer molecules has strong shear resistance and high drag reduction rate.

The invention relates to the technical field of functional resin, and particularly discloses an acrylic resin coated organic silicon elastomer PA (at) SE prepared through aqueous phase suspension emulsion polymerization and a preparation method and application of the acrylic resin coated organic silicon elastomer PA (at) SE. An inner core of the PA (at) SE is a polyorganosiloxane elastomer ViSE formed by hydrosilylation addition reaction of hydrogen-containing polysiloxane, ethylene polysiloxane and a third functional component, and the third functional component comprises vinyl acetate, allyl acetate, allyl phenyl ether, allyl benzyl ether, cyclohexyl vinyl ether, alpha-C8-18 olefin, 1, 6-hexadiene, 1, 2-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol, 1, 3-propylene glycol and 1, 3-propylene glycol. The additive is one or a mixture of more of 1, 9-decadiene, (poly) ethylene glycol diallyl ether and (poly) propylene glycol diallyl ether. The acrylic resin coated organosilicon elastomer PA (at) SE provided by the invention can be mutually soluble with PC resin and the like, and can also realize toughening and reinforcing effects when being applied to materials such as PC resin and the like.

The application discloses trans-anethole nanoemulsion as well as a preparation method and application thereof, and belongs to the technical field of plant protection. The preparation of the trans-anethole nanoemulsion (TAN-NE) comprises the following steps: mixing polyethylene glycol octylphenyl ether, castor oil and anhydrous ethanol according to a mass ratio of 1:3:12 to prepare mixed surfactants; according to the mass percentage, 12.40% of trans-anethole is added into 28.93% of the mixed surfactants, and deionized water is supplemented to 100% to obtain the TAN-NE. The TAN-NE has a significantly better proliferation inhibition effect on Ralstonia solanacearum than free trans-anethole TAN, and has strong bacteriostatic activity. Indoor pot experiments show that on the 15th day after inoculation, the prevention effect of the TAN-NE is better than the treatment effect, and both are better than TAN and a commercial pesticide, thioconazole, and the TAN-NE has good biological safety to a soil environment.

This invention proposes a polyimide film, its preparation method, and its applications, relating to the field of thin film materials. By weight, it comprises the following raw materials: 50-100 parts dimethylformamide, 5-10 parts diaminodiphenyl ether, 10-20 parts phenylenediamine, 1-2 parts core-shell structured silica-alumina particles, 25-30 parts pyromellitic dianhydride, 1-2 parts organically modified montmorillonite, 1-2 parts aminated thermally conductive particles, 50-100 parts acetic anhydride, and 5-10 parts pyridine; wherein the core-shell structured silica-alumina particles are a composite material with polydopamine as the shell and nano-silica and nano-alumina as the core; the organically modified montmorillonite is obtained by intercalation modification of montmorillonite with an organic compound containing hydroxyl groups; the aminated thermally conductive particles are obtained by graft modification of nitrides with an organic compound containing amino groups. It exhibits good high-temperature resistance, high-pressure breakdown resistance, and thermal conductivity, as well as high mechanical strength and long service life.