39 results about "Naphthalic anhydride" patented technology

The invention provides a photoacid generator, a preparation method thereof and a photoresist based on the photoacid generator. The photoacid generator is 4-alkyl-N-hydroxyl naphthalimide fluoroalkyl sulfonate, and the molecular structural formula of the photoacid generator is # imgabs 0 #, and in the formula, R is alkyl. The preparation method of the photoacid generator comprises the following steps: S1, dissolving 5-alkyl acenaphthene in a first solvent, heating, adding potassium permanganate in the heating process, then heating to reflux for reaction, and after the reaction is finished, purifying to obtain 4-alkyl-1, 8-naphthalic anhydride; s2, dissolving the 4-alkyl-1, 8-naphthalic anhydride, hydroxylamine hydrochloride and a first inorganic base in a second solvent for reaction, and after the reaction is finished, purifying to obtain 4-alkyl-N-hydroxy-1, 8-naphthalic imide; and S3, adding the 4-alkyl-N-hydroxy-1, 8-naphthalimide and an organic alkali into a third solvent, dropwise adding fluoroalkyl sulfonic anhydride, heating to react after dropwise adding is completed, and purifying after the reaction is completed to obtain the 4-alkyl-N-hydroxy-1, 8-naphthalimide. The photoresist based on the photoacid generator provided by the invention is large in ADR, and the negative photoresist development defect and the standing wave are improved.

The invention discloses a copper (II) coordination type naphthalimide fluorescent probe and a preparation method and application thereof in pasture detection, and relates to the field of fluorescent probes, the preparation method of the fluorescent probe comprises the following steps: (1) preparation of an intermediate a: preparing the intermediate a by using 2-bromo-1, 8-naphthalic anhydride; (2) preparing an intermediate b: preparing the intermediate b by using the intermediate a; (3) preparing an intermediate c: preparing the intermediate c by using the intermediate b; (4) preparing Nap2: preparing Nap2 by using the intermediate c; the raw materials for preparing the Nap2 are easy to obtain, the synthesis steps are simple, the operation is simple and convenient, and the Nap2 has high application value in the field of rapid detection of pasture copper pollution.

The preparation method comprises the following steps: carrying out reflux reaction on 4-bromo-1, 8-naphthalic anhydride and primary amine in an organic solvent to obtain an intermediate product, and carrying out C-N coupling reaction on the intermediate product, a compound containing a nitrogen secondary amine electron-donating group, alkali and a catalyst in the organic solvent to obtain the double-state emission fluorescent dye. The two-state emission dye is obtained. An amino auxochrome group of a bridge ring structure is modified in a 4-bromine-1, 8-naphthalimide parent, the fluorescence quantum yield of the dye in a polar solvent is improved through the characteristic that nitrogen atom lone pair electrons of the nitrogen-containing bridge ring structure are not easy to overturn, and pi-pi stacking, which is not beneficial to emission, of the dye is inhibited through the large steric hindrance effect of the bridge ring structure; the dye shows bright fluorescence emission in non-polar and polar solvents, also has a very strong fluorescence quantum yield in a solid state, and shows a quantum yield greater than 94% when the dye is dispersed in an EVA (Ethylene-Vinyl Acetate) film.

The invention discloses a cellulose acetate based 1, 8-naphthalimide fluorescent probe for detecting hydrazine as well as a preparation method and application of the cellulose acetate based 1, 8-naphthalimide fluorescent probe. The preparation method comprises the following steps: by taking 4-bromo-1, 8-naphthalic anhydride as a raw material, carrying out condensation reaction on the 4-bromo-1, 8-naphthalic anhydride and 4-aminobutyric acid to prepare 4-(4-bromo-1, 8-naphthalic diimide) butyric acid (BNA-B); the preparation method comprises the following steps: carrying out a coupling reaction on BNA-B and 4-formyl phenylboronic acid to prepare 4-(4-(4-formyl phenyl)-1, 8-naphthalimidoyl) butyric acid (FNA-B); and the compound FNA-B and cellulose acetate (CA) are subjected to an esterification reaction, such that the cellulose acetate-based 1, 8-naphthalimide fluorescent probe FNA-B-CA is prepared. The compound can specifically recognize hydrazine, after hydrazine is added into a DMF / H2O solution of FNA-B-CA under the irradiation of 365nm ultraviolet light, the fluorescence color of the solution is changed from bright blue to colorless, the detection limit of hydrazine reaches 8.4 * 10 <-8 > M, and the compound has a good application prospect as a fluorescent probe for detecting hydrazine.

The present invention belongs to the technical field of semiconductor materials, and discloses a polymer with alternating arrangement of perylene diimide and naphthalene diimide, and its preparation method and application. The preparation method of the polymer includes the following steps: mixing naphthalic anhydride, alkanolamine and an organic solvent, and reacting to obtain naphthalene diimide-diol; mixing naphthalene diimide-diol, bromoacetic acid, 4-dimethylaminopyridine, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and an organic solvent, and reacting to obtain naphthalene diimide-dibromide; mixing naphthalene diimide-dibromide, perylene diimide-diamine and an organic solvent, and reacting to obtain the polymer. The present invention takes naphthalene diimide and perylene diimide as the core structures, and through design and synthesis, obtains a polymer with good water and alcohol solubility. This polymer can integrate the physical and chemical properties of the above two structural units, providing a guarantee for its application as an electron transport layer material in solar cells.

The invention provides a composition containing a pyridyl phenyl isoxazoline herbicide and a safener. The composition comprises a component a and a component b, wherein the component a is selected from a compound as shown in the following formula (I), and a stereoisomer, a racemate, a tautomer, an isotope label, nitrogen oxide, pharmaceutically acceptable salt or ester, a solvate or a solvate of the pharmaceutically acceptable salt of the compound; the component b is at least one of the following compounds: cyclopropanesulfonamide, dichlorpropamide, mefenpyr ethyl, triflumizone, mefenpyr-ethyl, mefenpyr-ethyl, fenclorim, mefenpyr-diethyl, mefenpyr-ethyl, mefenpyr-ethyl, mefenpyr-ethyl, isoxadifen, naphthalic anhydride, mefenpyr-diethyl, Metcamifenen (CAS: 129531-12-0), mefenpyr-nitrile, mefenpyr-nitrile, chlorfenapyr, 2, 2, 5-trimethyl-3-dichloroacetyl-1, 2, 5-triazole-3-one, 2, 5-dimethoxy-1, 3, 5-triazole-3-one, 2, 5-dimethoxy-1, 3, 5- The compound is prepared from 2, 3-dichloroacetyl-1, 3-oxazolidine (the CAS number is 52836-31-4) and 4-dichloroacetyl-1-oxo-4-azaspiro [4, 5] decane (the CAS number is 71526-07-03), and the compound is prepared from 2, 3-dichloroacetyl-1-oxo-4-azaspiro [4, 5] decane. # imgabs0 #

The invention discloses an oil exploitation aid and a preparation method thereof, and relates to the technical field of oil exploitation aids. The oil exploitation aid comprises the following raw materials in parts by weight: 30-40 parts of a modified carboxylate surfactant, 15-20 parts of a nonionic surfactant, 5-6 parts of a cosolvent, 4-6 parts of a stabilizer, 3-5 parts of an anti-scaling agent and 140-160 parts of deionized water. The preparation method comprises the following steps: firstly, carrying out a ring-opening acylation reaction by taking n-hexylamine, 1, 8-naphthalic anhydride and 12-bromo-1-dodecene as raw materials, carrying out an alkylation reaction to obtain 1-(dodecyl-11-ene-1-yl (amyl) carbamoyl)-2-sodium naphthoate, then carrying out a reaction with a first-generation polymer prepared from urotropine and p-aminophenol, and carrying out a reaction to obtain the 1-(dodecyl-11-ene-1-yl (amyl) carbamoyl)-2-sodium naphthoate. Finally, the modified carboxylate type surfactant is obtained. The oil exploitation auxiliary agent prepared by the invention has the effects of changing the wettability of a rock core and preventing swelling of clay, and the recovery rate of oil displacement of a low-permeability reservoir is improved.

The invention relates to the technical field of naphthalimide preparation, in particular to a synthetic method of naphthalimide derivatives. Comprising the following steps: dissolving a mixture of 1, 8-naphthalic anhydride and 4-aminoacetophenone in acetic acid containing sodium acetate, carrying out a reflux reaction, after the reaction is completed, cooling the mixture to room temperature, filtering to obtain a crude product, and washing to obtain a pure compound 1; the method comprises the following steps: dissolving a mixture of a compound 1, a hydrazine derivative and an acid catalyst in an organic solvent, carrying out a reflux reaction, after the reaction is completed, cooling the mixture to room temperature, filtering to obtain a crude product, and washing to obtain the naphthalimide compound. The synthesis reaction is safe and reliable, the process is simple and easy to control, and the reaction yield is high; the combination of the synthesized drug and DNA has spontaneity, and the drug has good anti-proliferative activity.

This invention discloses a method for preparing a single-component room-temperature phosphorescent / fluorescent dual-emission polymer film, comprising: reacting a terminal amino-substituted alkane with halogen-modified naphthalenecarboxylic anhydride to synthesize an organic light-emitting small molecule with phosphorescent / fluorescent dual-emission function; and mixing the obtained organic light-emitting small molecule into a dynamically cross-linked supramolecular polymer to obtain a single-component room-temperature phosphorescent / fluorescent dual-emission polymer film. This invention also discloses the single-component room-temperature phosphorescent / fluorescent dual-emission polymer film prepared by the above method and its applications. The preparation method of this invention is simple and low-cost. The polymer film prepared with only a single component can generate a phosphorescent / fluorescent dual-emission ratio light signal with stable emission. The film color changes with changes in ambient humidity, and the film can sense ambient humidity in the range of 1–100%, showing broad application prospects in sensing, anti-counterfeiting, and bioimaging fields.

The invention discloses a naphthyl ring nylon anti-heat yellowing agent and a preparation method and application, wherein the anti-heat yellowing agent has a carboxyl group and a hydrazide group, and the preparation method of the anti-heat yellowing agent comprises placing a 1,8-naphthalene dicarboxylic anhydride ethanol solution and unsymmetrical dimethyl hydrazine in pure water and stirring evenly, then reacting at 30-45°C for 1-3 hours to obtain a product, cooling to room temperature after the reaction is completed, adjusting the product concentration, and obtaining the naphthyl ring nylon anti-heat yellowing agent. The fabric after being finished with the anti-heat yellowing agent of the present invention will not absorb surrounding formaldehyde during use and storage, and has a good anti-yellowing effect, a simple preparation method process, not only a low formula cost, but also no special requirements for equipment, and is easy to realize industrialization.

The invention discloses humidity-pH stimuli-responsive room-temperature phosphorescent paper as well as a preparation raw material, a preparation method and application thereof, and belongs to the technical field of functional materials. The preparation method of the preparation raw material comprises the step of mixing nitrogen-substituted 4-bromo-1, 8-naphthalic anhydride with a polymer matrix. Nitrogen-substituted 4-bromo-1, 8-naphthalic anhydride is introduced into the polymer as a phosphorescent molecule, and a polymer matrix can provide a large number of hydrogen bonds, so that fixation of the phosphorescent molecule is facilitated, a certain isolation effect can be achieved, and strong room-temperature phosphorescence of a preparation raw material is realized. As hydrogen bonds are easily damaged by water molecules, the stability of triplet excitons can be damaged by the breakage of the hydrogen bonds and the vibration of the water molecules, so that the phosphorescence intensity is reduced, and the reversible-humidity room-temperature phosphorescence paper can be constructed. In addition, the phosphorescent molecules have the pH response characteristic, and after the polymer matrix is combined with the phosphorescent molecules, the pH response characteristic of the luminescent material can be maintained. The corresponding room-temperature phosphorescent paper has a humidity-pH stimulus response characteristic.

The invention relates to the technical field of organic synthesis, in particular to a small-molecule electron transport material containing a naphthalimide terminal group and preparation and application thereof.4-bromo-1, 8-naphthalic anhydride is used as a raw material, brominated naphthalimide terminal groups are obtained through imidization, then different conjugated fused ring core units are used as raw materials, and the small-molecule electron transport material containing the naphthalimide terminal group is prepared through a one-step method. And coupling the conjugated fused ring core unit with naphthalimide through a coupling reaction to obtain the small-molecule electron transport material containing the naphthalimide terminal group. By virtue of high electron affinity, strong electron withdrawing property, good thermal stability and morphological stability and relatively strong designability of structure and function of naphthalimide, the micromolecule electron transport material shows excellent electron mobility, tight intermolecular accumulation and good three-dimensional charge transport characteristic; surface / interface defects can be effectively passivated, trap-assisted recombination is inhibited, and the photoelectric conversion efficiency and the stability of the perovskite solar cell are synergistically improved.

The present invention discloses a 1,8-naphthalimide-rhodamine fluorescent probe and its preparation method and application, belonging to the technical field of synthesis methods of novel composite materials of fluorescent probes. This method uses rhodamine B as the matrix, through an amide condensation reaction, with anhydrous ethylenediamine as the bridging molecule, and finally prepares a 1,8-naphthalimide-rhodamine fluorescent probe. The prepared 1,8-naphthalimide-rhodamine fluorescent probe uses rhodamine B as the fluorescent group and 1,8-naphthalic anhydride as the recognition group, and has high sensitivity and strong selectivity for Fe 3+ It has linear quenching in the range of 0 to 330 μmol / L, the detection limit ranges from 0.84 to 0.95 μmol / L, and has strong anti-interference ability against other metal ions. Compared with single-metal-ion fluorescent probes, the 1,8-naphthalimide-rhodamine fluorescent probe prepared by the present invention has good application prospects in the detection of metal ions and their in-situ online quantitative analysis, and has good selectivity for Fe 3+ and can be used for the trace detection of various metal ions in the environment, biomedicine and food.

The present invention discloses an oil production aid and a preparation method thereof, relating to the technical field of oil production aids. The oil production aid comprises the following raw materials in parts by weight: 30-40 parts of a modified carboxylate surfactant, 15-20 parts of a non-ionic surfactant, 5-6 parts of a co-solvent, 4-6 parts of a stabilizer, 3-5 parts of a scale inhibitor, and 140-160 parts of deionized water; first, 1-(dodec-11-en-1-yl(pentyl)carbamoyl)-2-naphthoic acid sodium is obtained by a ring-opening acylation reaction and an alkylation reaction using n-hexylamine, 1,8-naphthalic anhydride, and 12-bromo-1-dodecene as raw materials, and then it reacts with a first-generation polymer prepared from hexamine and p-aminophenol to finally obtain the modified carboxylate surfactant. The oil production aid prepared by the present invention has the effects of changing the wettability of the core and preventing clay swelling, and improves the oil recovery rate of low-permeability oil reservoirs.

The invention discloses a fluorescent functional monomer, a fluorinated polyacrylate soap-free emulsion and a preparation method of the fluorinated polyacrylate soap-free emulsion, and belongs to the technical field of high-performance resin coatings. The preparation method of the fluorescent functional monomer comprises the following steps: under an ice bath condition, taking ethylenediamine and perfluorobutyl sulfonyl fluoride as raw materials, and carrying out nucleophilic substitution reaction to obtain N-aminoethyl-perfluorobutyl sulfonamide; the preparation method comprises the following steps: adding 4-bromo-1, 8-naphthalic anhydride and allylamine hydrochloride into an alcohol organic solvent by taking sodium hydroxide as a neutralizing agent, and carrying out acylation reaction to obtain an intermediate product; in a sulfur-containing organic solvent, N-aminoethyl-perfluorobutyl sulfonamide and the intermediate product are subjected to an alkylation reaction, and the fluorescent functional monomer is obtained. The synthesized fluorescent functional monomer contains a rigid naphthalene ring and a low-surface-energy fluoroalkyl group, and has excellent hydrophobic stability and fluorescence performance.

The invention relates to the technical field of carbon steel corrosion inhibitors, and discloses a 1, 8-naphthalimide derivative-based carbon steel corrosion inhibitor and application thereof.The novel 1, 8-naphthalimide derivative corrosion inhibitor is synthesized by taking 1, 8-naphthalene anhydride as a parent molecule and introducing ethidene diamine as a modification group, and the 1, 8-naphthalimide derivative corrosion inhibitor is used for preparing the carbon steel corrosion inhibitor based on the 1, 8-naphthalimide derivative and the carbon steel corrosion inhibitor based on the 1, 8-naphthalimide derivative. A novel primary amine-naphthalimide derivative corrosion inhibitor is developed by directionally introducing a double-end primary amine group structure, and a primary amine group can provide stronger electron donating ability than hydroxyl, so that the adsorption performance of the corrosion inhibitor on the surface of steel and the quality of a formed passive film are improved. Molecules of the corrosion inhibitor simultaneously have a rigid pi-conjugated skeleton and a nitrogen-containing electron donating center, so that multi-site synergistic adsorption on the surface of the steel bar is realized, a thicker and more compact protective film is formed, the inhibition efficiency of the corrosion inhibitor on chlorine salt corrosion is improved, and the long-term protection effect of the corrosion inhibitor is prolonged.

The invention belongs to the technical field of protein aggregation detection fluorescent probes, and particularly relates to a protein aggregation detection fluorescent probe containing quaternary ammonium salt and an aggregation-induced emission skeleton as well as a preparation method and application of the protein aggregation detection fluorescent probe. The probe takes a reaction product of 4-bromo-1, 8-naphthalic anhydride and 4-(diphenylamino) phenylboronic acid as the aggregation-induced emission skeleton, and the reaction product is reacted with N, N-dimethylformamide to obtain the protein aggregation detection fluorescent probe containing quaternary ammonium salt and the aggregation-induced emission skeleton. The quaternary ammonium salt group is introduced by sequentially reacting N, N-dimethyl ethylenediamine and diethyleneglycol-2-bromoethyl methyl ether, the quaternary ammonium salt group has the characteristics of water solubility and aggregation-induced emission, and the chemical structure of the quaternary ammonium salt group comprises a naphthalimide mother nucleus, a diphenylamino substituent group and a quaternized side chain.

The invention provides a preparation method of N-hydroxyl-1, 8-naphthalimide perfluorobutyl sulfonate, which comprises the following steps: step 1, adding absolute ethyl alcohol, continuing to add 1, 8-naphthalic anhydride and hydroxylamine hydrochloride, dropwise adding triethylamine, and heating to reflux reaction after dropwise adding to obtain white solid N-hydroxyl-1, 8-naphthalimide; and step 2, adding tetrahydrofuran, continuing to add N-hydroxy-1, 8-naphthalimide and DMAP, controlling the temperature to be 20-25 DEG C, dropwise adding perfluorobutyl sulfonyl chloride, and after the reaction is completed, obtaining a solid product N-hydroxy-1, 8-naphthalimide perfluorobutyl sulfonate. Under the condition that the yield is not reduced, a green and clean solvent is used in the preparation method and is easy to recycle, the reaction temperature is reduced, the reaction time is greatly shortened, absolute ethyl alcohol is used as the solvent, the disadvantage of water as the solvent on the ring-closing dehydration reaction is avoided, and compared with dioxane, the method has the advantages of being environmentally friendly, simple and convenient in synthesis step and the like.

The invention discloses a preparation method of a supramolecular host-guest fluorescence sensing system, which comprises the following steps: mixing 4-amino-1, 8-naphthalic anhydride, N, N-dimethylethylenediamine and absolute ethyl alcohol, cooling to room temperature after the reaction is finished, concentrating under reduced pressure, and drying to obtain an intermediate product; mixing the intermediate product, benzyl bromide and acetonitrile, carrying out reflux reaction to obtain solid powder, dissolving the solid powder in water, adding a saturated ammonium hexafluorophosphate solution, filtering, precipitating and drying to obtain yellow solid, dissolving the yellow solid in acetonitrile, adding saturated tetra-n-butylammonium chloride, separating out yellow precipitate and GBox-2. A solid to prepare an aqueous solution stock solution for later use, and meanwhile, preparing NI-1. Cl solid into NI-1. Cl solid; the preparation method comprises the following steps: adding deionized water for dissolving, preparing an aqueous solution stock solution for later use, preparing a mixture of GBox-2. A and NI-1. Cl according to a subject and an object, and ultrasonically preparing a supramolecular subject-object fluorescence sensing system. The method has the excellent properties of accurate structure, stable batch synthesis, fixed molecular weight and the like, and has the advantages of simplicity and convenience in treatment, low detection cost and high response speed in polycyclic aromatic hydrocarbon detection.

The application discloses an enamine N-oxide containing a naphthalimide fluorescent group, a preparation method of the enamine N-oxide and application of the enamine N-oxide in a fluorescent probe. 2+ The application also provides a general synthesis method of the compound, wherein an amino functional group containing structural fragment is reacted with 4-bromo-1,8-naphthalic anhydride, and then the enamine N-oxide is generated through steps of hydroxyl substitution, bromine substitution and alkyne addition. 2+ When the compound is applied as the fluorescent probe, the compound has high sensitivity, excellent space-time resolution and light stability, is suitable for dynamically monitoring changes of Fe 2+ content in the iron death process and related protein marker research, and provides a new generation of molecular tools for iron death mechanism research, and has important application prospects in the fields of disease model construction and drug screening.

The invention belongs to the field of synthesis, and particularly discloses a synthesis method of 8-iodo-1-naphthoic acid and application of the 8-iodo-1-naphthoic acid in preparation of glycosyl 8-alkynyl naphthoate, the synthesis method of the 8-iodo-1-naphthoic acid comprises the following steps: S1, mixing raw materials including naphthalic anhydride, R1OH and LiOH for reaction, then reacting with iodosobenzene diacetate and I2 under illumination, then removing alkyl, and obtaining 8-iodo-1-naphthoic acid; the 8-iodine-1-naphthoic acid is obtained; according to the synthesis method of the 8-iodine-1-naphthoic acid, cheap and low-toxicity chemical reagents such as lithium hydroxide, iodobenzene diacetate, sodium iodide and iodine are adopted, so that the synthesis cost can be remarkably reduced, the experiment safety is improved, the pollution to the environment is reduced, meanwhile, the 8-iodine-1-naphthoic acid with higher yield and purity is obtained within shorter time, and the method is suitable for industrial production. And the large-scale preparation of the 8-iodine-1-naphthoic acid at a 10-gram level is realized.

The invention discloses a cellulose acetate based 1, 8-naphthalimide fluorescent probe for detecting hydrogen sulfite (HSO3 <->) as well as a preparation method and application of the cellulose acetate based 1, 8-naphthalimide fluorescent probe. The preparation method comprises the following steps: by taking 4-bromo-1, 8-naphthalic anhydride as a raw material, carrying out condensation reaction on the 4-bromo-1, 8-naphthalic anhydride and 4-aminobutyric acid to prepare 4-(4-bromo-1, 8-naphthalic diimide) butyric acid, namely BNA-B; the preparation method comprises the following steps: carrying out coupling reaction on BNA-B and 4-formyl phenylboronic acid to prepare 4-(4-(4-formyl phenyl)-1, 8-naphthalimidoyl) butyric acid, namely FNA-B; the preparation method comprises the following steps: carrying out aldol condensation reaction on FNA-B and 1, 2, 3, 3-tetramethyl-3H-indole iodide to prepare a compound INA-B; and the compound INA-B and cellulose acetate (CA) are subjected to an esterification reaction, such that the cellulose acetate-based 1, 8-naphthalimide fluorescent probe INA-B-CA is prepared. The compound INA-B-CA can specifically recognize HSO3 <->, under the irradiation of 365nm ultraviolet light, after HSO3 <-> is added into a DMSO / PBS solution of INA-B-CA, the fluorescence color of the solution is changed from yellow to blue, and the probe has a good application prospect.

The present invention discloses a method for detecting H 2 S gas signal molecule fluorescent probe and its preparation method and application. The fluorescent probe has the following structural expression. The preparation method of the fluorescent probe comprises the following steps: 1) dissolving 4-bromo-1,8-naphthalene dicarboxylic anhydride and 4-(2-aminoethyl)-thiomorpholine in solvent A, stirring and reacting under reflux conditions to obtain an intermediate product; 2) mixing the intermediate product and sodium azide in solvent B, stirring and reacting under reflux conditions to generate the target product fluorescent probe. The preparation method of the fluorescent probe is simple, and it reacts with H at body temperature. 2 S responds quickly, has strong fluorescence, and has high detection sensitivity. #imgabs0#

The invention discloses a thermoplastic material as well as a preparation method and application thereof in automotive trim, and relates to the technical field of high polymer materials. When the thermoplastic material is prepared, cellulose is sequentially reacted with 4-isocyanate-2, 2, 6, 6-tetramethyl-1-piperidyloxy and vinyl phosphonic acid bis (2-chloroethyl ester), and modified cellulose is prepared; the preparation method comprises the following steps: reacting 4-hydroxy-1, 8-naphthalic anhydride with 1-amino-5-hexene to obtain a naphthalimide monomer; the preparation method comprises the following steps: reacting polypropylene, a siloxane imidazole monomer and a naphthalimide monomer to prepare pre-modified polypropylene; reacting the pre-modified polypropylene with paraformaldehyde to obtain modified polypropylene; uniformly mixing the modified polypropylene and the modified cellulose, extruding and granulating to obtain the thermoplastic material. The thermoplastic material prepared by the invention has excellent flame retardance, aging resistance, antibacterial property, mechanical property and thermal reversible self-repairing property.

The invention discloses a fluorescent probe capable of responding to various cytochrome P450 enzymes and a preparation method and application thereof.According to the method, a traditional dye 4-bromo-1, 8-naphthalic anhydride serves as a parent nucleus, an aminoethyl side chain is introduced through a reaction with N-methylethylenediamine or ethanediamine, and then the fluorescent probe is obtained; and further performing coupling modification with 4-substituted phenylboronic acid to obtain a molecular structure with excellent fluorescence performance. In the prepared fluorescent probe, response groups such as substituted phenyl can be catalytically oxidized by CYPs, fluorescence on-off change is excited without coenzyme, and selective response to CYPs of various subtypes such as CYP 1A1, CYP 1A2, CYP 2B6, CYP 2D6 and the like is realized. Meanwhile, the prepared fluorescent probe has good water solubility, light stability and pH adaptability, shows high signal-to-noise ratio and low toxicity in a complex biological system, and has application potentials of later CYPs activity imaging, biomarker screening, disease diagnosis and the like.

The invention belongs to the technical field of biomedical materials, and relates to I-type and II-type naphthalimide photosensitizers and a preparation method and application thereof, and the naphthalimide photosensitizers have the following structural formula. The preparation method comprises the following steps: S1, carrying out a heating reaction on 4-bromo-1, 8-naphthalic anhydride and n-butylamine to obtain NI-1; s2, NI-1 and [4-[bis (4-methoxyphenyl) amino] phenyl] boric acid are subjected to a reaction under the action of an XPhos Pd G2 catalyst and a K3PO4 alkali, and NI-OCH3-2O is obtained; and S3, the NI-OCH3-2O and a Lawson reagent are subjected to a heating reaction, and XX is obtained. Compared with the prior art, the preparation method has the advantages that naphthalimide is used as a mother nucleus, a photosensitizer precursor NI-OCH3-2O is obtained through Suzuki coupling reaction and [4-[bis (4-methoxyphenyl) amino] phenyl] boric acid, and finally the photosensitizer NI-OCH3-2S is obtained through carbonyl thiolation. The naphthalimide photosensitizer has relatively strong absorption in a range of 400-700 nm, generates O2 <-> and < 1 > O2 under excitation of red light, can overcome limitation of tumor hypoxia, and has a good photodynamic therapy effect.

The present application relates to a kind of colorimetric-fluorescent dual-mode detection reagent for detecting color amine substance on site, which is composed of 4-mercapto-1,8 naphthalene dicarboxylic anhydride and organic solvent, and the reagent produces orange complex and quenches blue fluorescence by reacting 4-mercapto-1,8 naphthalene dicarboxylic anhydride with the substance to be measured, with a response time of less than 1 s, and the colorimetric-fluorescent detection limit can reach nM level.The method described in the present application can be used for on-site drug detection and analysis of color amine drugs in drug-related cases, with the characteristics of simple operation, strong anti-interference, fast response, sensitive reaction, easy visual observation, etc.The reagent provides an effective visual on-site detection technique for the detection of new and precise amine drugs, and has a broad application prospect, and provides a good research foundation for the field of drug detection, which can provide an effective technical means for the police department to quickly detect drugs on site.

The invention relates to the technical field of preparation of ammonia-free deproteinized latex medical surgical gloves, in particular to ammonia-free deproteinized latex medical surgical gloves and a preparation method thereof, and the ammonia-free deproteinized latex medical surgical gloves comprise the following raw materials in parts by weight: 1000 parts of 60wt% ammonia-free natural concentrated latex, 8-12 parts of a compound enzyme preparation, 0.1-0.3 part of p-hydroxyacetophenone-1, 2, 4-triazole-1, 2, 4-triazole-1, 2, 4-triazole-1, 2, the anti-corrosion coating is prepared from the following components in parts by weight: 0.8 to 1.2 parts of a 1, 2-hexanediol compound anti-corrosion system, 0.8 to 1.2 parts of composite filler, 1.5 to 2.5 parts of o-naphthalic anhydride, 0.5 to 1.5 parts of stearic acid, 10 to 14 parts of tert-butyl peroxybenzoate, 1.3 to 1.7 parts of an accelerant TMTM and 0.2 to 0.4 part of an antioxidant 1010. Through a self-made compound enzyme preparation, a compound filler and p-hydroxyacetophenone-1, 2-hexanediol compound preservative system, the preservative stability and mechanical strength of the medical surgical gloves are remarkably improved, and meanwhile, the sensitization of the medical surgical gloves is reduced.

The present invention discloses a copper (II) coordination type naphthalimide fluorescent probe, a preparation method thereof, and an application thereof in forage detection, relating to the field of fluorescent probes. The preparation method of the fluorescent probe is as follows: (1) Preparation of intermediate a: Intermediate a is prepared using 2-bromo-1,8-naphthalic anhydride; (2) Preparation of intermediate b: Intermediate b is prepared using intermediate a; (3) Preparation of intermediate c: Intermediate c is prepared using intermediate b; (4) Preparation of Nap2: Nap2 is prepared using intermediate c. The raw materials for preparing Nap2 in the present invention are easily available, the synthesis steps are simple, the operation is convenient, and it has high application value in the field of rapid detection of copper pollution in forage.

The invention belongs to the field of high polymer materials, and relates to a preparation method of naphthyl polyester-polycarbonate-polyether glycol and a method for synthesizing novel polyester by using the naphthyl polyester-polycarbonate-polyether glycol. The naphthyl polyester-polycarbonate-polyether glycol is prepared by catalyzing ring-opening copolymerization of epoxypropane, 1, 8-naphthalic anhydride and carbon dioxide by using a non-metal catalytic system. And introducing naphthyl polyester-polycarbonate-polyether glycol into a PBAT chain in a copolycondensation manner to generate the novel polyester with excellent performance. The content of chain segments of polyester, polycarbonate and polyether in naphthyl polyester-polycarbonate-polyether glycol is regulated and controlled, and the content of four chain segments of polybutylene terephthalate, poly (butylene adipate), poly (naphthyl terephthalate) glycol ester and poly (naphthyl adipate) glycol ester in the novel polyester is regulated and controlled; the thermal property, the mechanical property and the degradation property of the novel polyester can be adjusted. Compared with pure PBAT, the PBAT is obviously improved.