35 results about "Titanium ethoxide" patented technology

The invention discloses a method for preparing titanate, titanic acid and titanium dioxide. The method for preparing titanate comprises the following steps: carrying out hydrolysis reaction on a titanium source to obtain hydrated titanium acid precipitates, wherein the titanium source is selected from one or a composition of more of titanium sulfate, titanyl sulfate, titanium tetrachloride, titanium tetrafluoride, titanium ethoxide, titanium propoxide, tetrabutyl titanate, ethylene glycol titanium, glycerol titanium and ammonium fluorotitanate; dispersing the hydrated titanium acid precipitates in an aqueous hydrogen peroxide solution containing strong base for hydrothermal reaction, and thus obtaining sea urchin titanate with a micro-nano hierarchical structure. The method can overcome some defects of titanate, titanic acid and titanium dioxide prepared into nanowire or nanotube structures.

The invention relates to an environment-friendly hole sealing liquid for anodic aluminum oxide profiles and a hole sealing method thereof. The environment-friendly hole sealing liquid for anodic aluminum oxide profiles is characterized by comprising the following components based on the total volume: 10-50 g / L of silicate or titanium ethoxide or ethyl silicate, 2-20 g / L of phytic acid or phytate, 0.5-5 g / L of corrosion inhibitor and 0.005-0.2 g / L of anionic surfactant. The hole sealing method of the environment-friendly hole sealing liquid for anodic aluminum oxide profiles is characterized by comprising the step of immersing aluminum oxide profiles which are subject to anodic oxidation into the environment-friendly hole sealing liquid for hole sealing treatment at the treatment temperature of 60-80 DEG C for 10-40 minutes. Sealing holes by using the environment-friendly hole sealing liquid and the hole sealing method thereof is simple, convenient and environment-friendly, and the production energy consumption of aluminum oxide profile industry is reduced.

The invention discloses a preparation method for a graphene-loaded multielement-doped magnesium diboride superconducting bulk material. The preparation method comprises the steps of 1, dropwise adding ethyl silicate and titanium ethoxide into a graphene oxide solution, and stirring uniformly to obtain a mixture material; 2, performing a hydrothermal reaction, filtering and washing and then carrying out vacuum drying to obtain graphene-loaded multielement mixture powder; 3, performing heat treatment to obtain graphene-loaded multielement-doped powder; 4, mixing boron powder and magnesium powder and grinding, then adding the mixture powder to the graphene-loaded multielement-doped powder, uniformly grinding and pressing and shaping to obtain a bulk material; and 5, performing sintering on the bulk material under protection of an inert atmosphere, and performing furnace cooling to the room temperature to obtain the graphene-loaded multielement-doped magnesium diboride superconducting bulk material. The preparation method is simple; the prepared multielement dopant is uniform in dispersion, free of agglomeration, high in activity and can rapidly enter magnesium diboride lattices, thereby reducing the phase-forming temperature of the doped magnesium diboride; and in addition, the prepared magnesium diboride bulk material has excellent performance.

The invention relates to an antirust pigment and its production process. The antirust pigment consist of ST antirust powder with grain size 400-600 meshes 1-8 proportion, barium sulfate with grain size 400-600 meshes 1-8 proportion and accessories 0.1-0.5 proportion, the accessories are selected from one kind or above of silicane coupling agent, titanic butyrin, titanic carbethoxy and aluminate ester. The production process is as follows: adding the ST antirust powder and the barium sulfate into high-speed mixer, simultaneously adding the prepared accessories into the high-speed mixer, starting the high-speed mixer, firstly low-speed agitating for 3-10 mins, then high-speed agitating for 10-20 mins. Compared with other antirust pigment, the antirust pigment of the invention has a better dispersibility, and partially replaces the antirust paint prepared by other antirust pigment, its main indexes such as stability, anti-deposition and antirust property etc. all approach or reach the performance requirement of the antirust paint prepared by the replaced pigment at these aspects, and its performance-price ratio is significantly high, the cost of per ton decreases 1000-2000 yuan.

The invention discloses a preparation method of composite titanium dioxide nanoparticles, which comprises the following steps: dispersing ethyl titanate in an organic solvent through an ultrasonic oscillation device, adding an amine salt, stirring evenly at room temperature, and placing the reaction solution in a reaction kettle , after reacting for 2‑3.5h, cool naturally to room temperature, separate the solid phase, put it in a mixing mixer, add flame retardant synergist, brominated flame retardant, heat stabilizer in sequence, mix well, and put it in the twin-screw In the extruder, supercritical carbon dioxide is injected to obtain a mixed powder; the obtained mixed powder is dispersed in a mixed solution containing isopropanol, deionized water and ammonia water through an ultrasonic oscillation device to form a dispersion; the dispersion is placed in In the aqueous solution of chloroauric acid, stir in the dark, and after ultrasonic reaction, dry to obtain composite nanoparticles. The preparation method of the invention has the advantages of simple process, easy operation, good repeatability, stable particle structure, uniform size, flame retardancy, heat resistance and corrosion resistance.