40results about How to "Controllable equipment" patented technology

The invention relates to the technical field of synthesis and preparation of novel chemical materials and discloses preparation and application of organosilicone modified polyether polyol. The method effectively combines the advantages of an organosiloxane polymer and a polyether polyol chemically without extra addition of an organic high / low-temperature-resistant material, and the method is obviously better than the traditional method for preparing polyurethane memory foam.

The invention discloses a small-molecule drug-carrying polymer vesicle, a preparation method and application thereof. The small-molecule drug-carrying polymer vesicle is prepared by assembling an amphiphilic block polymer and a small molecule drug; The polymer is assembled and cross-linked with the functionalized amphiphilic block polymer, loaded with small molecule drugs, and then reacted with the targeted monoclonal antibody. The vesicle system of the present invention has many unique advantages, including small size, simple and controllable preparation, excellent biocompatibility, high in vivo circulation stability, strong tumor cell specific selectivity, rapid intracellular drug release, and tumor growth inhibition. The effect is remarkable, etc. Therefore, this vesicle system is expected to be a simple and all-in-one nanoplatform for efficient and specific targeted delivery of vincristine sulfate to multiple myeloma cells.

The invention provides a pyrene-containing 8-hydroxyl quinoline zinc complex dimerized crystal as well as a preparation method and an application thereof. The preparation method comprises the following steps: dissolving (E)-2-[2-(1-pyrenyl) vinyl]-8-hydroxyl quinoline in N, N-dimethyl formamide; dropwise adding methanol, wherein the volume ratio of N, N-dimethyl formamide to methanol is 1: (1-3); finally adding an N, N-dimethyl formamide solution containing zinc salt; putting the mixed solution in a sealed container; reacting at 65-85 DEG C till the crystal is separated out; filtering; washing the crystal by ethanol; and drying. The pyrene-containing 8-hydroxyl quinoline zinc complex dimerized crystal has the advantages of being high in light intensity, good in thermal stability, relatively good in fluorescent lifetime and the like, and has a remarkable economic value in applications such as preparation of light emitting materials or photo electroluminescent apparatuses and the like.

The invention belongs to the application field of reflective materials and products, and in particular relates to a reflective film based on a thermosetting coating and a preparation method thereof. First, aluminum powder and glass powder are melted and blended to protect aluminum better; further, using the function of thermosetting powder coating to easily form a stable film, the glass-protected aluminum powder is ground and dispersed in thermosetting powder coating, sprayed on a high temperature resistant base The film is used as the reflective bottom layer, and then sprayed with a layer of glass beads, cured at high temperature for bonding, and further coated with a hydrophobic self-cleaning coating to obtain a reflective film. In particular, thermosetting powder coatings have a softening process at 120-130°C. The present invention sprays glass microspheres onto the surface of the metal coating by means of this process, and then cures at high temperature, so that the half spherical surface of the glass microspheres is close to the metal layer, and the half spherical surface Fully exposed; thereby replacing the currently difficult-to-control process of plating metal on the hemispherical surface of glass beads, making the preparation of the reflective layer of the reflective film simple and easy to control.

The invention discloses an aminated polymer hollow nanomaterial preparation method. The method includes: in a water and ethyl alcohol system, taking ethylenediamine as a catalyst and an amine source, taking resorcinol and formaldehyde as polymer precursors, taking tetraethyl orthosilicate as a structural additive, performing emulsion polymerization to obtain silicon @ aminated resin core-shell nanospheres, and finally performing desilicification to obtain an aminated polymer hollow nanomaterial. Due to adoption of a one-step process for preparation of the aminated polymer hollow nanomaterial, compared with a traditional two-step method and a seed emulsion polymerization method, the preparation method has advantages of simplicity, convenience, mild conditions, reaction medium cleanness, few side reactions, high conversion rate and the like. The aminated polymer hollow nanomaterial prepared according to the method is highly dispersed and high in aminated groups and has a promising application prospect in the fields of energy sources, biological diagnosis, drug delivery, separation, environmental modification and the like.

The invention discloses a conductive lanthanum strontium manganese oxide ceramic film and a preparation method thereof, and a titanium-based lanthanum strontium manganese oxide ceramic electrode for a flow battery; the preparation method comprises: (1) using lanthanum salt, strontium salt and manganese salt The mixed sol is the precursor sol, and the gel wet film is formed on the surface of the substrate by dipping and pulling method; (2) the gel wet film is dried to obtain the gel dry film; (3) the gel dry film is subjected to crystallization pretreatment, until the gel dry film is transformed into a lanthanum strontium manganese oxide thin film; (4) finally carry out crystallization heat treatment to obtain a lanthanum strontium manganese oxide ceramic thin film. The titanium-based lanthanum strontium manganese oxide ceramic electrode of the flow battery comprises a titanium substrate and a lanthanum strontium manganese oxide ceramic thin film on the surface. The invention has the advantages of simple preparation process, low preparation cost and little environmental pollution; the prepared conductive film has strong bonding force with the metal substrate, high surface density, good electrochemical corrosion resistance and good conductivity; the preparation process is easy to control and is suitable for industrialization Production.

The invention relates to a method for preparing an electrode for electrochemical reduction of carbon dioxide, the electrode and its application. The electrode preparation method is to treat carbon felt and carbon paper in the air at 200-600 ° C, and then carry out the process in ethanol and acetone After degreasing treatment and cleaning, it is used as a substrate; metal deposition is carried out in an electrolyte solution at 5 mA cm-2 to 150 mA cm-2 for 1 to 3000 s; washing and drying are finally obtained. min-600 min; reduce it in H2 or a mixture of H2 and inert gas at 100-600°C for 30 min-240 min; wash and dry to finally obtain the electrode. The electrode prepared by the invention has controllable structure, high specific surface area and excellent selectivity for preparing formic acid by CO2 electrochemical reduction. This electrode has excellent ERC stability.

The invention discloses a water-soluble amorphous noble metal nano particle and a preparation method thereof, and relates to the technical field of noble metal nano materials. The method comprises the following steps: uniformly dispersing the precious metal source and the reducing agent in the water solvent, adjusting the pH value of the reaction solution to 2-8, and then hydrothermally reacting at 120-200°C for 10-20 hours to obtain the water-soluble amorphous precious metal Nanoparticles. The method for preparing noble metal nanoparticles provided by the invention is simple and controllable, can be prepared in large quantities, and is easy for industrialization.

The invention provides a novel fluorene-containing 8-hydroxyquinoline zinc complex dimer crystal and its preparation method and application. The preparation method is as follows: (E)-2-[2-(fluorenyl) vinyl]-8-hydroxyquinoline is dissolved in N,N-dimethylformamide, methanol is added dropwise, the N, The volume ratio of N-dimethylformamide to the methanol is 1:2~4, finally add the N,N-dimethylformamide solution containing zinc salt, place the resulting mixed solution in a sealed container, 60 React at ~100°C until the crystals are precipitated, filter, wash the crystals with ethanol, and dry them. The dimeric crystal of the fluorene-containing 8-hydroxyquinoline zinc complex has the advantages of high luminous intensity, good thermal stability, and better fluorescence lifetime, and has significant economic value in the preparation of luminescent materials or photoelectric light-emitting devices. .

The invention provides a trifluoromethyl quinoline cadmium complex tetramer and its preparation method and application. The preparation method is as follows: (E)-2-[2-(2-trifluoromethyl) vinyl]-8-hydroxyquinoline is dissolved in N,N-dimethylformamide, methanol is added dropwise, The volume ratio of the N,N-dimethylformamide to the methanol is 1:1~3, and finally the N,N-dimethylformamide solution containing cadmium salt is added, and the resulting mixed solution is placed in a sealed In the container, react at 75-85°C until crystals are precipitated, filter, wash, and dry. The trifluoromethylquinoline-containing cadmium complex tetramer has the advantages of high luminous intensity, good thermal stability, good fluorescence lifetime, etc., and has significant economic value in the preparation of luminescent materials or photoelectric light-emitting devices and other applications.