64results about How to "With fluorescent effect" patented technology

The invention discloses a frame sealing glue composition. The frame sealing glue composition comprises a frame sealing glue, a fluorescent material and a dispersant, wherein the frame sealing glue comprises a prepolymer, an active monomer, a thermal curing agent and a photoinitiator. Through addition of the fluorescent material with a fluorescent effect into the conventional frame sealing glue, the obtained frame sealing glue composition exerts a same adhesive effect as that of the conventional frame sealing glue and facilitates detection of bonding effects on frame sealing glue layers through the fluorescent effect. The invention further discloses a display device and a detection method based on the frame sealing glue composition. The frame sealing glue layers are irradiated by invisible light with wavelength of less than 400 nm, and sealing conditions of the frame sealing glue layers are determined according to the fluorescent effect of the frame sealing glue layers. Thus, bonding effects on the frame sealing glue layers can be conveniently and effectively detected without detection in a special environment, breaking of panels in the process of carrying is avoided, and detection results can be effectively and rapidly obtained.

The invention discloses a method for preparing fluorescent fiber membrane, in particular to a method taking derivatives of styrene pyridinium as fluorescent dye to blend with polyving akohol (PVA) to prepare spinning solution and perform electrostatic spinning. The method comprises the following steps: taking styrene pyridinium as fluorescent dye, mixing the fluorescent dye with the mass concentration of 1-10% (fluorescent dye / PVA) into PVA water solution, and then performing electrostatic spinning to obtain the orange fluorescent fiber membrane. The styrene pyridinium provided by the invention has good liner optical property, good water solubility and good consistency with PVA water solution; the highest reflectivity of the obtained fibrous membranes is more than 100%, and the wavelengthcorresponding to the max peak is 605nm; and the fluorescent emission spectrum excited by laser with the excitation wavelength of 254nm is within the range of 500-750nm, and CIE color coordinate calculated value is within a yellowish orange fluorescent zone, thus having application prospect.

The invention discloses a method for preparing fluorescent carbon quantum dots by laser irradiation. The method is characterized in that one of benzene, substituted benzene and a compound containing multiple benzene rings is used as a carbon source; a liquid-state carbon source or a carbon source solution obtained by dissolving a solid-state carbon source into ethanol is irradiated for 1-120 minutes through ultraviolet light of which the wavelength is within 380nm to obtain the fluorescent carbon quantum dots. The carbon source and the solution thereof used by the method disclosed by the invention are simple, the selection of the carbon source is diverse; the laser power and the irradiation time adopted in the preparation process are good in controllability, the preparation process can be carried out at room temperature, the particle diameter of the obtained carbon quantum dots is 2-7nm, and the carbon quantum dots have a regular graphite structure; results show that the carbon quantum dots prepared by the method have photoluminescence fluorescence property without surface modification.

The invention discloses an inducing liquid for improving osteogenic differentiation efficiency in stem cells. The inducing liquid uses commercial low-sugar DMEM medium (dulbecco modified eagle medium) as an application matrix, wherein the inducing liquid further contains graphene quantum dot which is 0.1-100ug / mL in final concentration. The inducing liquid disclosed by the invention can be used for significantly improving osteogenic differentiation efficiency in stem cells; and the inducing liquid can be applied to bone tissue regeneration and repair in stem cell treatment, so as to promote directional differentiation; therefore, a function of regulating and controlling stem cell differentiation is achieved.

The invention discloses a high-tenacity oxidized graphene melamine resin. The high-tenacity oxidized graphene melamine resin is prepared from the following raw materials in parts by weight: 1.6-2.1 parts of nano-crystalline cellulose, 0.2-0.3 part of rare earth cerium fluoride, 20-25 parts of melamine, 40-45 parts of 37% formaldehyde solution, 1.8-2.1 parts of oxidized graphene, 0.7-0.9 part of trifluoroethyl methacrylate, 0.7-0.9 part of polyacrylonitrile, a proper amount of dimethyl formamide, 0.2-0.3 part of polyoxyethylene, a proper amount of composite solvent comprising dimethyl formamide and dichloromethane of which the volume ratio is 1: 1, 0.3-0.5 part of tert-butyl hydroperoxide, a proper amount of citric acid, a proper amount of alkaline pH value modifier AMP-95 and a proper amount of ethyl alcohol. The resin disclosed by the invention is added with the oxidized graphene, so that the heat conductivity coefficient of the resin is improved by 41% compared with that of resin without adding oxidized graphene; by adding the nano-crystalline cellulose, the tenacity of the resin is improved, and the resin is prevented from cracking; by adding the rare earth cerium fluoride, the resin has a fluorescent effect.

The invention discloses a fluorescent water-based coating. The fluorescent water-based coating is prepared from fluorescent pigment emulsion, light stabilizers, antibacterial preservatives, film-forming auxiliaries, water-based polyurethane resin, acrylic ester, China wood oil, titanium white powder, polyvinyl alcohol, light calcium carbonate, talcum powder, gypsum powder, titanium dioxide, silane compounds, guar gum, fluororesin, water-based modified epoxy resin, acrylic emulsion, Cr, Ni, Zn, Mo, Pd, Pt, Au, W, Ta, Nd, Ce, Eu, Lu and water. Due to the fact that the components such as Ni, Zn and Ti are contained in the fluorescent water-based coating, the fluorescent water-based coating has the high-temperature-resistant and anti-corrosion properties and meets the coating requirements of various occasions; in addition, the fluorescent water-based coating is free of toxic organic solvent and pollution and has the advantages that the coating surface is not prone to being cracked, aging resistance is achieved, and the adhesive force is high.

A durable sign coating is prepared from raw materials in parts by weight as follows: 6-9 parts of alkyd resin, 3-6 parts of graphene, 5-8 parts of ethyl acetate, 2-4 parts of aluminum oxide, 4-7 parts of amino resin, 8-11 parts of sepiolite powder, 5-7 parts of methallyl alcohol, 3-5 parts of ethylene glycol, 1-3 parts of a plasticizer, 2-4 parts of copper alloy powder, 4.5-8 parts of alcohol-soluble resin, 3-7 parts of stearic acid, 2-5 parts of calcium carbonate, 1-5 parts of bougainvillea speetabilis sawdust, 6-14 parts of chlorinated paraffin, 1-2 parts of barium sulfate and 2-5 parts of phosphor. The coating has the benefits as follows: the sign coating has a certain fluorescence effect, is particularly good in night effect and can resist acid, base and sunshine corrosion.

The invention provides an automatic rotating exhibition stand which belongs to the technical field of furniture and solves the problems that the existing exhibition stand is difficult to assemble, adjust and transmit. The automatic rotating exhibition stand comprises a base, a motor and a bracket, wherein the base comprises an upper top plate and a lower bottom plate which are respectively provided with a plurality of notched grooves and are connected by a support plate which is provided with clamping parts, and the clamping parts and the notch grooves one-to-one correspond and are tightly clamped to each other; the motor is arranged on the lower bottom plate, and the output end of the motor is connected with a rotating shaft; the extending end of the rotating shaft protrudes from the upper top plate, and the rotating shaft is fixedly connected with an exhibition stand plate and a top support installed at the tail end of the rotating shaft; a separator which is also arranged between the exhibition stand plate and the top support divides the exhibition stand plate into a plurality of storage areas along the axial direction of the rotating shaft; the outer surface of the exhibition stand is sequentially sprayed and / or adhered with a flame retardant fluorescent surface coating with a four-layer structure and the layer thickness is 4 to 16 mm. The automatic rotating exhibition stand has the advantages of simplicity in regulation, convenience in load and unload and novelty in design.

The invention provides an anti-slip glass processing technology. The technology comprises the following steps: crushing waste ultra clear glass through a glass crushing device to form glass powder; mixing the glass powder, phosphor and silica gel particles to form an anti-slip material; cleaning and drying the surface at one side of the glass; laminating a glue film having a hollow-out pattern tothe clean surface of the glass, brushing a layer of glue on the hollow-out pattern position of the glue film, allowing the glue to be in contact with the clean surface of the glass, and sprinkling ananti-slip material in the hollow-out position; taking out the glue film, heating the glass with the anti-slip material, and drying the glue; printing a layer of color ink on the anti-slip material surface of the glass, and drying the color ink; and screen-printing a ceramic film on the color ink surface of the glass, and drying the ceramic film to obtain anti-slip glass. Glass wastes are convertedinto a processing element for the anti-slip glass, and are applied to the anti-slip glass, so the anti-slip and decoration purposes are realized, and environmental protection and production loss reduction are also realized.

The invention discloses a method for preparing a steady-persistence luminous ceramic membrane through aluminum or aluminum alloy surface micro-arc oxidation. The method comprises the following steps that 1, a strontium salt system electrolytic solution is prepared by taking deionized water as a solvent, wherein the electrolytic solution contains strontium salt, ammonium bifluoride, ammonium fluoride, diammonium hydrogen phosphate, monopotassium phosphate and glycerol; and 2, aluminum or an aluminum alloy serves as an anode; a stainless steel plate serves as a cathode; a micro-arc oxidation pulse power supply is adopted; micro-arc oxidation treatment is performed at pulse frequency of 450-700Hz and at a duty ratio of 10-25%; in-situ growth is performed on the surface of aluminum or the aluminum alloy; and the steady-persistence luminous ceramic membrane containing SrAl2O4 is obtained. A growth rate of the ceramic membrane prepared with the method reaches above 3 micrometers / min; the neutral NaCl salt mist corrosion resistance of the ceramic membrane reaches above 600h; and the microhardness of the ceramic membrane can reach above 1000HV.

The invention discloses a nano-diamond-based anti-counterfeiting method, a corresponding medicine, anti-counterfeiting ink and an application thereof. The nano-diamond-based anti-counterfeiting methodcomprises: coating the surface of the article to be subjected to anti-counterfeiting treatment with nano-diamond particles or adding nano-diamond particles into the article to be subjected to anti-counterfeiting treatment. The nano-diamond particle contains nitrogen-vacancy center NV<-> in a negatively charged state and produces fluorescence emitted by the excitation light at the wavelength of 400 nm to 600 nm so that anti-counterfeiting effects are obtained. Under control of the internal structure of the key nano-diamond material, through fluorescence produced by the nano-diamond material containing nitrogen-vacancy center NV<-> in a negatively charged state under excitation light at the wavelength of 400 nm to 600 nm, the anti-counterfeiting effects are effectively achieved.

The invention discloses a culture medium for increasing a bacteria specific content in escherichia coli of a plasmid DNA (Deoxyribonucleic Acid) content, relating to the field of biomedical sciences. Each litre of the culture medium contains the following components: 5 g of yeast powder, 5 g of peptone or beef extract, 9 g of sodium chloride, 10 ml of glycerinum, 5 g of lactose, 1 g of citric acid, 10 g of disodium hydrogen phosphate, 0.2 g of sodium hyaluronate, 3 g of ammonium sulphate, and 12 g of calcium chloride. The content of the peptone or beef extract is reduced on the basis of the original LB (Luria-Bertani) culture medium; 9g of sodium chloride is added into 1 L; a cell isotonic culture solution is obtained; calcium chloride is used for reducing bacteria settlement, assisting to stop bacteria flocculation and mutually inhibiting growth; a slight anaerobic environment is set up by introducing a part of CO2 in the culture medium, so that the tolerance of escherichia coli is increased; by means of addition of hyaluronic acid and ammonium sulphate, the membrane permeability is adjusted; diffusion and operation of water electrolytes are kept; and a cell metabolism microenvironment is provided.

The invention discloses a preparation method of a macromolecular hemicyanine cationic fluorescent dye. The method includes: dissolving 6-bromo-n-caproic acid and 4-methylpyridine in ethanol, conducting oil bath heating, carrying out refluxing reaction to obtain 6-bromo-n-caproic acid pyridinium; dissolving 6-bromo-n-caproic acid pyridinium and 4-diethylaminobenzaldehyde in ethanol, taking piperidine as the catalyst, conducting oil bath heating, carrying out refluxing reaction, and performing chromatographic purification to obtain a styryl pyridinium dye; dissolving carboxymethyl chitosan in water, adding the styryl pyridinium dye and a 4-(4, 6-dimethoxy-1, 3, 5,-triazine-2-yl)-4-methylmorpholine hydrochloride hydrate, and carrying out water bath heating reaction to obtain the macromolecular hemicyanine cationic fluorescent dye. According to the invention, small molecule styryl pyridinium dye and carboxymethyl chitosan are combined by an amido bond, so that the dye molecule has the color development structure of styryl pyridinium fluorescent dye, has a fluorescent effect, and also has the structure and properties of carboxymethyl chitosan macromolecules themselves.

The invention discloses a 3D printing composite material containing an organic fluorescent dye and application thereof. The preparation method comprises the following steps: dissolving the organic fluorescent dye in an organic solvent, and then coating a printing piece with the organic fluorescent dye so as to obtain a PLA printing wire material dyed by the organic fluorescent dye. A 3D printer isused for printing the printing piece to obtain the 3D printing piece containing the organic fluorescent dye. Compared with an original PLA wire, the PLA wire with the organic fluorescent dye has thefluorescent effect, a product still has the fluorescent effect after being subjected to hot-melt printing through a 3D printer, a printing work containing the fluorescent dye can be self-luminous under the irradiation of an ultraviolet lamp, and the artistic performance of the 3D printing work is improved. The preparation method is simple, the operation is simple and convenient, the practicabilityis high, the performance of the dyed PLA wire is stable, the dyeing effect is uniform, the diameter of the wire is not increased, adverse effects on a 3D printer nozzle cannot be caused, and the 3D printing composite material is suitable for being used by an FDM (frequency division multiplexing) printer.

The invention relates to a novel wave-absorbing material and a preparation method thereof. The novel wave-absorbing material comprises a base material and a wave-absorbing agent, wherein, the wave-absorbing agent is pure cubic phase or hexagonal phase manganese-doped zinc sulfide microcrystal with ferromagnetism or ferrimagnetism at the room temperature. The weight ratio of the cubic phase or hexagonal phase manganese-doped zinc sulfide microcrystal is 10 to 15 percent, and the weight ratio of base material is 50 to 90 percent. The preparation method comprises the following steps: the manganese-doped zinc sulfide precursor is obtained by hydrothermal synthesis, then the heat treatment is performed to the sprecursor within the temperature range of 600 to 700 DEG C under the protection of argon gas atmosphere to obtain cubic phase manganese-doped zinc sulfide microcrystal powder, the heat treatment is performed to the cubic phase manganese-doped zinc sulfide microcrystal powder within the temperature range of 1000 to 1200 DEG C to obtain hexagonal phase manganese-doped zinc sulfide microcrystal powder, and the obtained powder is added in the base material and solidified to obtain the wave-absorbing material.

The invention discloses a magnetic targeting cell membrane modified ligand, a drug-loading material, a preparation method of the magnetic targeting cell membrane modified ligand and the drug-loading material and an application of the drug-loading material. The structural general formula of the magnetic targeting cell membrane modified ligand is shown as I series or II series in the formula (1). The magnetic targeting cell membrane drug-loading material is obtained by performing chemical covalent bond modification on a cell membrane to modify the magnetic targeting cell membrane modified ligand, an in-vitro test shows that the material is good in stability, can be effectively taken in by tumor cells, and has relatively high selectivity on the tumor cells, and besides, the material has remarkable paramagnetism. Under the condition of an external magnetic field, a magnetic targeting effect can be achieved. In an in-vitro anti-tumor test, the drug-loading material is remarkable in anti-tumor activity and hardly has toxicity to normal cells, so that the drug-loading material has a potential application of targeted therapy of malignant tumors.

The invention relates to a preparation method of an environment-friendly macromolecular emulsifier. The preparation method comprises the following steps: firstly, designing and synthesizing a functional potential hydrophilic chain segment and a hydrophobic chain segment by adopting a controllable living polymerization technology (ATRP (Atom Transfer Radical Polymerization) and SET-LRP (Single Electron Transfer-Living Radical Polymerization)); secondly, connecting the potential hydrophilic chain segment and the hydrophobic chain segment together by Diels Alder reaction, and hydrolyzing under acidic conditions to obtain an amphiphilic block copolymer, wherein the amphiphilic block copolymer can be self-assembled in water to form a micelle; enabling the hydrophilic chain segment and the hydrophobic chain segment of the micelle to be broken and generate Diels Alder reverse reaction under the action of an ultrasonic force. The hydrophilic chain segment of which an end group released by ultrasonic fracture is anthracene has a fluorescence effect which is detected by a fluorescence spectrophotometer. The macromolecular emulsifier can be used for preparing functional emulsion particles. Besides, the macromolecular emulsifier is the amphiphilic block copolymer and has sensitivity to the ultrasonic force, so the macromolecular emulsifier has potential applications in biomedicine.

The invention discloses a preparation method of a pearl lusting printing ink for printing. The method adopts liquid phase deposition, a titanium dioxide layer and a praseodymium-doped calcium hydroxide layer are wrapped on the surface of a mica base material, and a praseodymium-doped calcium titanate fluorescent layer is generated between the two layers through high-temperature calcination. The scheme adopts secondary liquid phase deposition, titanium dioxide and praseodymium-doped calcium hydroxide are deposited on the surface of the mica base material, praseodymium-doped calcium titanate is generated on the surface of the mica base material through high-temperature calcinations, and an inorganic function pearl lusting paint with fluorescent effect is prepared. The titanium dioxide layer enables the pearl lusting paint to be excellent in pearl lusting luster, and also can prevent complicated ions in mica from entering the fluorescent layer to reduce the fluorescent effect.

The invention relates to a polymerization method of modified PPTA with a fluorescent effect. The polymerization method comprises the following steps: adding PDA (P-phenylene Diamine) and 1,5-DAN (Diaminonaphthalene) in an LiCl solution, and cooling after completely dissolving; then adding TPC (Terephthaloyl Chloride) twice, and immediately quickening the rotating speed to 500 to 3000 r / min; then adding an acid adsorbent for reacting for 20 to 40 minutes; removing a cooling device after a pole climbing phenomenon appears; continuously reacting for 2 to 3 hours under a room temperature state; carrying out after-treatment, thus obtaining the modified PPTA. With the introduction of the fluorescent monomer 1,5-DAN, the modified PPTA is enabled to have the fluorescent effect, and the application of the PPTA in aspects of fluorescent falsification prevention and fluorescent detection is expected to be expanded.

The invention relates to the technical field of a paint, and concretely discloses a vehicle multifunctional aqueous paint and a preparation method thereof. The vehicle multifunctional aqueous paint comprises the following components in parts by weight: 15-25 parts of an aqueous polyethersulfone dispersing emulsion, 25-30 parts of an aqueous hydroxy acrylic emulsion, 5-7 parts of a curing agent, 1-5 parts of organic silicone powder, 1-5 parts of nano alumina, 0.05-0.5 parts of nano titanium dioxide, 1-8 parts of a pigment, 3-10 parts of a fire retardant, 0.05-0.5 parts of nano zinc oxide, 0.1-1part of fluorescent powder, 0.1-0.2 parts of a pH conditioning agent, 0.1-0.2 parts of an antifoaming agent, 2-5 parts of a film-forming auxiliary agent, 0.3-0.5 parts of a dispersant, 0.3-0.5 partsof a base material wetting agent, 0.5-1.0 parts of a thickening agent, 2-3 parts of a cosolvent, and 5-10 parts of deionized water. The vehicle multifunctional aqueous paint is a normal-temperature air-drying coating, has the advantages of excellent anti-corrosive property, safety and no toxicity, and convenient construction, has fluorescent effect and fireproof effect, protects the metal base material and increases the work security, and is especially suitable for special vehicles such as a large-scale outdoor work vehicle which is not suitable for baking.

The invention discloses a high-gloss fluorescent hot stamping foil and a manufacturing process thereof. The hot stamping foil comprises a base film, a release layer, a metal medium layer, a pigment layer, a titanium dioxide layer and a hot melt adhesive layer, wherein the base film is coated with the release layer, the metal medium layer is evaporated on the release layer by means of evaporation,the metal medium layer has a fluorescent effect and contains fluorescent materials, the metal medium layer is coated with the pigment layer, the pigment layer is provided with the titanium dioxide layer used for covering the color of a substrate, and the titanium dioxide layer is coated with the elastic hot melt adhesive layer. According to the hot stamping foil, the metal medium layer adopts thefluorescent materials, so that the hot stamping foil has the fluorescent effect; meanwhile, the titanium dioxide layer is additionally arranged on the pigment layer to cover the color of the substrate, so that the glossiness of the hot stamping foil is stronger; and the hot melt adhesive layer has good elasticity, so that the overall tensile strength of the hot stamping foil is enhanced, and thescrap rate when the hot stamping foil is used is reduced.

The invention relates to the technical field of pigments, in particular to a colorful luminous pigment formula and a making technology. The technology comprises the steps that 50-55 parts of barium sulfate, 35-40 parts of magnesium sulfide, 1-4 parts of aluminium phosphate and 1-4 parts of potassium nitrate serve as the yellow pigment, 60-65 parts of calcium sulfide, 20-25 parts of magnesium sulfide, 5-10 parts of sodium sulfide and 1-4 parts of cobaltous nitrate serve as the purple pigment, 50-55 parts of barium sulfide, 35-40 parts of magnesium sulfide, 1-4 parts of copper nitrate and 1-4 parts of potassium phosphate serve as the red pigment, and 50-55 parts of calcium sulfide, 1-4 parts of nitric acid, 10-15 parts of barium sulfate, 5-10 parts of sodium sulfate and 5-10 parts of potassium nitrate serve as the green pigment; pigment blending, pigment mixing and pigment preparation are conducted. The prepared colorful pigment has the fluorescent effect, and the decorative effect of the colorful pigment is greatly improved.

The invention discloses a production process of an amphiphilic silicon oxide-chitosan composite aerogel. The production process comprises the following steps: firstly, performing modification on chitosan to prepare naphthoic acid grafted chitosan, mixing the naphthoic acid grafted chitosan solution and a silicic acid solution, performing coupling, performing dewatering drying to obtain the amphiphilic silicon oxide-chitosan composite aerogel. The product provided by the invention has unique hydrophilic and lipophilic characteristics, and good compatibility with a water-based usage environment;at the same time, the product has the characteristics of a large specific surface area, high porosity and good pore size connectivity, and is very suitable for adsorption and deep treatment of oily substances in water, especially emulsified oil pollutants; in addition, the prepared amphiphilic silicon oxide-chitosan composite aerogel can detect a content of heavy metal ions by adopting fluorescence effects while adsorbing the heavy metal ions, thereby realizing the purpose of monitoring the heavy metal ions in wastewater; and the required amount of composite aerogel can be accurately calculated, and labor and resource waste can be reduced.

The invention relates to a method for detecting a lytic polysaccharide monooxygenase and an application thereof. The detection principle is that: 10-acetyl-3,7-dihydroxyphenoxazine is used as a substrate, and horseradish peroxidase is used as a coenzyme; and when the lytic polysaccharide monooxygenase reacts with oxygen to form hydrogen peroxide, reaction with the substrate is performed to form aresorufin with fluorescence under the action of the coenzyme. The detection method does not require additional addition of an electron donor, which improves the stability of the reaction, can be usedfor identification of unpurified products, has high sensitivity, and has a short detection time. The detection of the lytic polysaccharide monooxygenase enzyme activity by means of the fluorescence detection method also has the characteristics of high detection flux, high accuracy, easy to realize automation, low cost and the like, which benefits performing scale application in screening work; andcombined with a flow cytometry, excellent strains with high enzyme activity can be efficiently and quickly selected.

The invention discloses fluorescent spinning dye. The fluorescent spinning dye is prepared from the following raw materials in parts by weight: 60-85 parts of acrylic emulsion, 20-25 parts of plant dye extract, 15-20 parts of fluorescent dye, 5-10 parts of dispersion agent, 10-14 parts of light stabilizer, 5-10 parts of defoaming agent and 80-90 parts of deionized water. The fluorescent spinning dye is stable in color after dyeing is conducted, not prone to change color, and low in cost; macromolecular hemicyanine cationic fluorescent dye is added, so that a fabric has a fluorescent effect ina dark environment, and can be used for the industries of fire protection and environmental sanitation.

The invention discloses a preparation method of chitosan / gallnut tannin composite fibers, and belongs to the field of bio-based functional fibers. The composite fibers are the chitosan / gallnut tannincomposite fibers prepared by blending gallnut tannin and chitosan, are good in mechanical property and high in thermal stability, and have the extremely strong antibacterial effect on staphylococcus aureus. The chitosan / gallnut tannin composite fibers are prepared by blending the natural polyphenol gallnut tannin and the chitosan; the gallnut tannin becomes a cross-linking agent, so that the mechanical property of chitosan fibers is improved and the chitosan fibers are endowed with the functionality.

The invention discloses a quantum dot / polyaryletherketone nanometer composite material and a preparing method thereof, and belongs to the technical field of nanometer fibers. According to the preparing method, firstly, a phenolphthalin monomer and a 4,4-difluorobenzophenone monomer are subjected to a polycondensation reaction to prepare linear benzene carboxyl side group polyaryletherketone. The linear benzene carboxyl side group polyaryletherketone material is an excellent peculiar plastic which is resistant to acid and alkali, resistant to corrosion and thermally stable. The benzene carboxylside group polyaryletherketone is mixed with a quantum dot in a solution form, namely CdS / hyperbranched polyaryletherketone, and then a fibrous membrane material is formed through an electrostatic spinning technology. The membrane integrates the high fluorescence performance of the quantum dot and the stability of the linear polymer, the quantum dot is uniformly dispersed under an electrostatic spinning condition, and a membrane material capable of being used for photoelectric devices is obtained. Compared with a membrane which is not doped with quantum dots, the fluorescence intensity and thermal stability of the membrane doped with the quantum dot are both greatly improved.

The invention discloses a high-temperature-resistant optical cable and a preparation method thereof, and relates to the technical field of optical cable materials. When the high-temperature-resistant optical cable is prepared, firstly, a polyethylene sleeve optical cable is used as a core material, firstly, a polyethylene sleeve of the core material is softened, high-temperature porous silicon dioxide is embedded, and then the surface of the softened and embedded core material is coated with a modified carbon nanotube mixed solution to form a porous surface layer; and carrying out secondary softening embedding, embedding protein particles into the porous surface layer, and finally carrying out graft modification on the core material subjected to secondary softening embedding by using a fluorescent chelate prepared by reacting neodymium chloride with porphyrin, so as to prepare the high-temperature-resistant optical cable. The high-temperature-resistant optical cable prepared by the invention has good high-temperature resistance and can be stably used in a desert high-temperature environment for a long time.

The invention relates to a complex taking amide-amine as a side chain, and a preparation method and application thereof, belongs to the technical field of magnetic resonance imaging contrast agents, and solves the technical problem about how to provide a metal complex which is high in relaxivity and has a novel skeleton structure, and the preparation method and the application thereof. The structural formula of the complex provided by the invention is shown in a formula I or a formula II, wherein R1, R2, R3 and R4 are all substituent groups and are respectively hydrogen, hydroxyl, amino, carboxyl or alkyl; Mn<+> is a paramagnetic ion of a transition metal or a lanthanide-series metal. The complex which is applied as a contrast agent is low in toxicity; the toxicity of the complex which isrepresented by IC50 is 2.1 mmol / L; the relaxivity reaches 18.57 Mm<-1>s<-1>, and is about three times that of nuclear magnetic resonance contrast agent in clinical use; the complex has a fluorescenceeffect, has strong fluorescence when the complex is excited at 328 nm, and has a potential advantage of serving as a magnetic resonance-fluorescence dual functional contrast agent.