The invention particularly relates to a porous titanium nitride nanotube array film and a preparation method thereof. The technical scheme of the method is that: first, a polished and buffed titaniferous metal sheet is used as an anode to be put into electrolyte for carrying out anodic oxidation, the voltage of anodic oxidation is 10-60 V, and the time of anodic oxidation is 0.5-5 hours; then the titaniferous metal sheet after anodic oxidation is washed and dried, and the dried titaniferous metal sheet is subjected to annealing treatment at the temperature of 300 to 600 DEG C in the air; finally the titaniferous metal sheet after the annealing treatment is subjected to annealing at the temperature of 300 to 600 DEG C in the atmosphere that the volume of a nitrogenous precursor is 10-100 percent at a speed of 1-20 DEG C/min, and is cooled along a furnace; and the titanium nitride nanotube array film is obtained on the surface of the titaniferous metal sheet. The preparation method disclosed by the invention is simple, and the process is reliable. The prepared porous titanium nitride nanotube array film is uniformly distributed with nanometer-size holes from a tube mouth to a tube bottom, and the size of the holes can be adjusted. The porous titanium nitride nanotube array film is suitable for the field of electrochemistry.

Porous titanium nitride nanotube array film and preparation method thereof

The invention discloses a method of preparing TiSrO3 coating on the surface of a titanium implant. The method comprises the following steps: after carrying out sand blasting and double acid treatment on a pure titanium implant, putting the titanium implant in a hydrothermal solution containing strontium ions for hydrothermal treatment and surface modification; and forming a nanoscale protruding structure with multiple holes on the surface of the implant, wherein the protruding layer on the surface is a strontium titanate crystal structure and an anatase crystal structure and has the effects of promoting osteoblast and osteogenic differentiation of stem cells. Meanwhile, the coating has good wettability and has a wide application value.

Method of preparing TiSrO3 coating on surface of titanium implant

The invention discloses a coloring method for a dental implant abutment. The coloring method comprises the following steps: (1) manufacturing the dental implant abutment; (2) removing oil; (3) polishing; (4) coloring; and (5) sealing a hole. According to the coloring method, the specific technology of surface treatment of the dental implant abutment is adjusted, the formulas of an oil removing agent, an acid pickling solution and an anodic oxidizing and coloring electrolyte are optimized, the electrolyte adopts oxalic acid and phosphoric acid with low acidity for replacing traditional strong acid for coloring, and therefore a compact titanium dioxide coloring layer can be formed on the dental implant abutment, other impurities are not introduced, and the formed coloring layer is high in color uniformity and uniform in thickness and has good adhesive force and mechanical property.

Coloring method for dental implant abutment

Preparation method of coaxial titanium dioxide nanotube and nanorod composite array

The invention discloses a method for rapidly introducing function ions on the surface of titanium alloy, and belongs to the technical field of titanium alloy medical plant material surface functionalization modified treatment. The method comprises the steps that firstly, TC4 is adopted as an electrolytic anode, an electrolytic cell is adopted as an electrolytic cathode, and a volcano shaped porouscoating is formed on the surface of a TC4 sample through the plasma high temperature and high pressure transient sintering effect; then, a hydrothermal reaction method is used for introducing function ions into the coating, and meanwhile, the hydrophilicity is improved. The various function ions are evenly distributed on the surface of titanium alloy, and the adhesion and proliferation capabilityof osteogenesis cells is improved. According to the method, the coating can be prepared on the surface of the titanium alloy conveniently and rapidly, the ingredient of a solution is regulated in thefollow-up hydrothermal process, the function ions of Cu, Zn, Mg, Ce, Sr and the like are introduced to the surface of the coating, antibacterial or osteogenesis and other performances of a biologicalmedical metal material are improved, and the good application prospect is achieved in the fields of surface modification of medical implant materials and the like.

Method for rapidly introducing function ions on surface of titanium alloy

The invention relates to medical titanium with a trace element slow-release function or a titanium alloy implant material as well as a preparation method and an application of the medical titanium. The invention adopts the technical scheme that the preparation method comprises the following steps: putting a polished titanium-containing metal sheet into an electrolyte as an anode for anodic oxidation; flushing and drying the titanium-containing metal sheet subjected to anodic oxidation, carrying out heat treatment for 1-3 hours at a temperature of 100-500 DEG C, naturally cooling and ultrasonically cleaning and drying; and putting the dried titanium-containing metal sheet into one of or mixed solution of more than any two strontium hydroxide, strontium acetate, zinc acetate or magnesium acetate, carrying out hydrothermal reaction for 0.5-12 hours in a closed container at a temperature of 100-300 DEG C, naturally cooling, taking out, cleaning and drying, and carrying out heat treatment for 1-3 hours at a temperature of 450-550 DEG C to obtain the medical titanium with the trace element slow-release function or the titanium alloy implant material. The medical titanium or the titanium alloy implant material as well as the preparation method and the application thereof have the beneficial effects that the preparation method is simple and reliable, the loading quantity and the release amount of trace elements of the medical titanium in a nano tube are controllable, the medical titanium and the biological activity on the alloy surface can be better promoted, and the application prospect is good in the medical implant material.

Medical titanium with a trace element slow-release function or titanium alloy implant material as well as preparation method and application of same

The invention relates to a titanium dioxide nanometer composite structure film and a preparation method thereof. The technical scheme of the preparation method comprises the following steps: using a polished titanium-containing metal plate as an anode to be placed in an electrolyte and perform anodic oxidation, wherein the voltage of anodic oxidation is 10-60V and the time of anodic oxidation is 0.5-5 hours; then cleaning the obtained titanium-containing metal plate after anodic oxidation, drying, then placing the dried titanium-containing metal plate in H2O or the mixed solution containing 5-95wt% H2O and 5-95wt% alcohol organic matter, performing a hydrothermal reaction in a sealed container at 80-300 DEG C for 0.5-24 hours, and naturally cooling to obtain the titanium dioxide nanometercomposite structure film on the surface of the titanium-containing metal plate. The preparation method is simple and reliable without adding a foreign material as a Ti source; and the load of TiO2 nanoparticles in nanotubes is controllable. In the prepared composite structure of TiO2 nanoparticles and nanotubes, TiO2 nanoparticles are distributed in the nanotubes evenly.

Hairong Wang

Papers

Medical titanium with a trace element slow-release function or titanium alloy implant material as well as preparation method and application of same

Titanium dioxide nanometer composite structure film and preparation method thereof