9results about "Cadmium organic compounds" patented technology

The invention discloses an energetic material, a preparation method thereof and application of the energetic material as an initiating explosive, an explosive and a pyrotechnic compound. The chemical formula of the energetic material is MC10H18B2N6; wherein M is selected from at least one of Mn, Fe, Co, Ni, Cu, Zn and Cd; the crystal structure of the energetic material belongs to a monoclinic system, and the space group is P21 / n. The obtained energetic material has excellent stability and safety, and is green and environment-friendly. Through experimental determination, the thermal stability is greater than or equal to 120 DEG C, the impact sensitivity is greater than or equal to 40J, and the friction sensitivity is greater than or equal to 240N. Compared with an existing commercial propellant (unsymmetrical dimethylhydrazine), the ignition delay time of the energetic material is equivalent, the defects that fuel and an oxidizing agent are seriously mixed and the combustion efficiency is low are overcome, and the energetic material has important commercial application value in the field of green high-performance energetic materials.

The application discloses a preparation method and application of a cadmium-based fluorescent probe material. The probe compound is obtained by using inorganic cadmium salt and o-phenanthroline as reactants through water bath reaction, and has a chemical formula of [Cd(phen)2(NO3)2], and cell parameters of alpha=90.00°, beta=105.939(1)° and gamma=90.00°. The probe compound has high fluorescence emission efficiency and fluorescence stability, can produce fluorescence quenching effect on Fe 3+ , Co 2+ and Cr2O7 2‑ of different concentration ranges, and can produce fluorescence enhancement effect on SCN ‑ , Br ‑ and I ‑ of different concentration ranges. The probe compound has simple synthesis process, cheap and easily obtained raw materials, good stability, high yield and high purity, can produce specific response to Fe 3+ , Co 2+ , Cr2O7 2‑ , SCN ‑ , Br ‑ and I ‑ at the same time, and has good application prospect.

The invention provides a solid electric heating material as well as a preparation method and application thereof. The chemical formula of the solid electric heating material is [(CH3) 3NCH2Cl] CdCl3. The material is a typical first-level phase change material, phase change causes huge phase change latent heat and entropy change, and the entropy change in the phase change process can reach 50 J kg <-1 > K <-1 >. Meanwhile, the hysteresis of the material is small, the minimum thermal hysteresis can be as low as 3.2 K, the phase change of the material is sensitive to an electric field, and the isothermal entropy change under the small electric field of 7.3 MV m <-1 > exceeds 30 J Kg <-1 > K <-1 > and is far higher than that of an existing material. The [(CH3) 3NCH2Cl] CdCl3 material provided by the invention can realize a large electrothermal effect under a small electric field, so that the [(CH3) 3NCH2Cl] CdCl3 material has a huge potential application value in an electrothermal refrigeration technology.

This invention discloses an hourglass-shaped polyoxometalate material, its preparation method, and its applications. The invention employs a solvothermal synthesis method to prepare a novel hourglass-shaped polyoxometalate material, and its structure is systematically characterized using single-crystal X-ray diffraction and infrared spectroscopy. The results show that the material's crystal structure possesses a rich and continuous hydrogen bond network, providing an efficient transport channel for the directional migration of protons and electrons, significantly accelerating the proton / electron transfer rate within the crystal framework. Simultaneously, strong coordination and synergistic effects are formed among the metal center, organic ligands, and polyoxometalate anions in the material, not only achieving the ordered assembly of structural units but also effectively strengthening the structural stability of the crystal framework and significantly improving the material's electrochemical stability.

The application discloses a preparation method of cadmium (II) complex single crystal and application of the cadmium (II) complex single crystal in adsorbing UO2 2+ The application belongs to the fields of coordination chemistry and adsorption removal of pollutants in water, and belongs to the field of coordination chemistry and adsorption removal of pollutants in water. The preparation method of the cadmium complex single crystal comprises the following steps: mixing a cadmium source, 5,11,17,23-tetra[(m-carboxyl phenyl)azo]-25,26,27,28-tetrahydroxyl calix[4]arene and 1,4-bis(1-imidazolyl)benzene in a solvent, and reacting to obtain the cadmium complex single crystal. The three-dimensional framework structure of the cadmium (II) complex single crystal prepared by the application is modified with rich carboxylic acid groups, azo groups and imidazole groups, and active adsorption sites are rich, so that the cadmium (II) complex single crystal is more conducive to the action with UO2 2+ , thereby effectively removing UO2 2+ in the aqueous solution. Moreover, the Cd (II) complex single crystal has good stability and can maintain a certain crystallinity in the aqueous solution.

Title: Compounds for complexing rare earth elements and / or s-, p-, d-block metals, their coordination compounds, peptide conjugates, methods for their preparation and their uses The present invention relates to compounds of general formula (I), [Formula 1] JPEG2024533430000465.jpg31169 where Y is nitrogen or N-oxide and R 1 is hydrogen; halogen; hydroxyl; azide; amine; trifluoromethyl; -COO-alkyl; -CH2CH(OMe)2; -SH; -SO3H; -SO2Ar (where Ar is phenyl); NO2; [Case 2] JPEG2024533430000466.jpg7169 ;C6~C 10 Aryl (optionally substituted with -NH2, -NO2, -N, -COOH, -CH2Cl and / or -CH2COOH); C7-C 10 arylalkyl (optionally substituted with -NH2, -NO2, -COOH, -CH2Cl, and / or -CH2COOH); R 2 is an azide group; or [C3] JPEG2024533430000467.jpg9169 (wherein n is an integer ranging from 1 to 3); A is H;-(CH2) n COOH; -CH(CH3)COOH; -CH2P(=O)(OR)2 (where R is H or alkyl); -CH((CH2) n COOH)COOH;-CH((CH2) n -NH2)COOH, where n is an integer from 1 to 3; -CH2C(=O)(NH2); -CH2C(=O)(NH)-CH2COOH; -CH2P(=O)(OH)(Ar), where Ar is phenyl optionally substituted with C1-C6 alkyl; Z is [C4] JPEG2024533430000468.jpg60169 selected from the group consisting of; R 3 teeth, [C5] JPEG2024533430000469.jpg6169 And R 4 is H; halogen; piperidinyl; trimethylsilyl; triisopropylsilyl; phenyl; C1-C6 alkyl; C3-C6 cycloalkyl; -CF3; -(CH2) n NH2;-(CH2) n NHFmoc;-(CH2) n NHBoc;adamantyl; [C6] JPEG2024533430000470.jpg7169 R 5 is R 1 ,or, [C7] JPEG2024533430000471.jpg6169 and / or R 2 and R 3 Both, forming a 1,2,3-triazole group; with the proviso that at most one A is H. The invention further relates to coordination compounds thereof, peptide conjugates thereof, methods for their preparation and their use.

The fast attenuation heat exciton type donor-acceptor complex is characterized by being prepared from a ligand, a connector, metal ions and an organic object in a molar ratio of 1: (1-4): (1-4): (1-10) through coordination and charge transfer. The preparation method comprises the following steps: putting a metal salt, a ligand, a connector and an organic object into a mixed solution of DMF (Dimethyl Formamide), EtOH and H2O; and sealing and heating to form a complex crystalline material. The invention relates to scintillator application. A ligand, a connector and metal ions are coordinated to form a complex acceptor framework, and an organic guest is used as a donor to be filled into pores to form a donor-acceptor configuration heat exciton luminescence mechanism. By replacing ligand acceptor molecules, the photophysical mechanism of the material from delayed fluorescence to fast attenuation heat excitons can be realized, and the regulation and control of emission wavelength and attenuation life can also be realized. The complex disclosed by the invention shows better scintillator properties under ray excitation, including considerable light yield, higher exciton attenuation efficiency and lower radiation detection limit and radiation stability.

The invention relates to the field of materials, and discloses a quinoline Schiff base IIB group metal complex and a preparation method and application thereof.The preparation method comprises the steps that primary amine, quinoline derivatives with aldehyde groups and IIB group metal salt are dissolved in a solvent to be subjected to a reflux reaction, after the reaction is finished, the mixture is cooled to the room temperature and crystallized, and the quinoline Schiff base IIB group metal complex is obtained. The quinoline Schiff base IIB group metal complex is obtained. According to the method, Schiff base in-situ synthesis and a metal coordination process are coupled, synthesis steps are simplified, tedious operation of ligand separation and purification is avoided, synthesis efficiency is improved, reaction conditions are mild, intermediate separation is not needed, and the method is suitable for gram-grade preparation.

A 2D perovskite compound, a preparation method thereof and a multicolor long afterglow luminescence application, adopt HOF type organic ligand, can inhibit the non-radiative transition of triplet state, so that a long afterglow compound with good performance, high phosphorescence quantum yield and stability is obtained. The halide perovskite has the characteristics of excitation-dependent fluorescence and phosphorescence, and the fluorescence and phosphorescence luminescence color can be from blue to green and from cyan to yellow. Interestingly, the sample can emit blue and yellow long afterglow after the different excitation light sources are turned off, so that multicolor visual afterglow adjustment can be realized, and applied to multicolor anti-counterfeiting. At the same time, the potential application of the material in the fields of anti-counterfeiting and encryption is shown.