Titanium dioxide composite material and preparation method and application thereof

A technology of titanium dioxide and composite materials, applied in chemical instruments and methods, electrolytic coatings, chemical/physical processes, etc., to achieve the effects of increasing photocatalytic performance, strong regulation, antibacterial and anti-inflammatory cell proliferation and mineralization

Active Publication Date: 2016-12-21
斌源材料科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the passivated titanium dioxide film that grows naturally on its surface makes it biologically inert and cannot form effective chemical osseointegration with surrounding bone tissue.

Method used

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  • Titanium dioxide composite material and preparation method and application thereof
  • Titanium dioxide composite material and preparation method and application thereof
  • Titanium dioxide composite material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Example 1 Preparation of fluorine-doped smooth titanium dioxide film by anodic oxidation

[0069] Adopt composite electrolyte (containing ethanol) to carry out anodic oxidation and prepare smooth titania film step as follows:

[0070] (1) Titanium alloy Ti-Zr pretreatment: the alloy is polished smooth, immersed in the pickling solution, chemically polished for 10s, then rinsed with deionized water and absolute ethanol in turn, and dried for later use; wherein the pickling solution is HF, HNO 3 Mixed solution with deionized water, the volume ratio is 1:1.5:50;

[0071] (2) Preparation of electrolyte: a certain amount of HF, H 3 PO 4 Dissolve in 20mL deionized water and 10mL absolute ethanol to obtain 0.1mol / L H 3 PO 4 , a mixed solution of 0.8wt% HF, which is used as the electrolyte;

[0072] (3) Anodic oxidation: put the pretreated titanium sheet as the anode and the platinum sheet as the cathode in the electrolyte in (2) for anodic oxidation, using a DC power sup...

Embodiment 2

[0077] Example 2 Preparation of fluorine-doped carbon composite porous titanium dioxide film by anodic oxidation

[0078] The steps of preparing porous titanium dioxide film by anodic oxidation using composite electrolyte solution (containing ethanol and carbon source) are as follows:

[0079] (1) Pretreatment of medical titanium alloy Ti-35Nb-5Ta-7Zr: the alloy is polished smooth, immersed in pickling solution, chemically polished for 20s, and then rinsed with deionized water and absolute ethanol in turn, dried and set aside; The pickling solution is HF, HNO 3 Mixed solution with deionized water, the volume ratio is 2:3:100;

[0080] (2) Preparation of electrolyte: ①Dissolve a certain amount of biomass-derived carbonaceous mesophase in 90mL of absolute ethanol, stir and dissolve to obtain solution a; ②Dissolve a certain amount of HF, H 3 PO 4 Dissolve in 10.1mL deionized water to obtain solution b; ③ Mix solutions a and b to obtain a carbonaceous mesophase with a concentra...

Embodiment 3

[0086] Example 3 Preparation of fluorine-doped carbon composite three-dimensional ordered titanium dioxide nanotubes by anodic oxidation

[0087] The steps for preparing three-dimensional ordered titanium dioxide nanotubes by anodic oxidation using composite electrolyte (containing methanol and carbon source) are as follows:

[0088] (1) Pretreatment of medical titanium alloy Ti-12Mo-6Zr-2Fe: the alloy sheet is polished smooth, immersed in pickling solution, chemically polished for 26s, and then rinsed with deionized water and absolute ethanol in turn, dried and set aside; The pickling solution is HF, HNO 3 Mixed solution with deionized water, the volume ratio is 2:1.8:100;

[0089] (2) Preparation of electrolyte: ①Dissolve a certain amount of biomass-derived carbonaceous mesophase in 80mL of methanol, stir and dissolve to obtain solution a; ②Dissolve a certain amount of HF, H 3 PO 4 Dissolve in 20mL deionized water to obtain solution b; ③ Mix solutions a and b to obtain a ...

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Abstract

The invention provides a titanium dioxide composite material and a preparation method and application thereof. The titanium dioxide composite material at least comprises titanium dioxide and fluorine or carbon doped on titanium dioxide, or fluorine and carbon co-doped on titanium dioxide. The titanium dioxide composite material has good biocompatibility, has antisepsis and anti-inflammation effects as well as an effect of promoting bone cell proliferation, has strong applicability, and also can be used as a photocatalytic material.

Description

technical field [0001] The invention relates to a titanium dioxide composite material and its preparation method and application. Background technique [0002] Titanium and titanium alloys have high specific strength, high corrosion resistance and excellent biocompatibility, and have been widely used clinically as implants such as orthopedics, dentistry and cardiovascular stents. However, the passivated titanium dioxide film that grows naturally on its surface makes it biologically inert and cannot form effective chemical osseointegration with surrounding bone tissue. Therefore, by changing the structure of the passive oxide film: including compactness, roughness, porosity or three-dimensional ordered titanium dioxide nanotubes, as well as the chemical composition, it can be converted into an active oxide film, which not only retains the excellent mechanical properties of titanium, Moreover, related properties can be improved according to specific clinical application requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/26A61L27/06A61L27/30A61L27/54A61L27/56B01J27/135B01J27/20B01J21/06
CPCA61L27/06A61L27/306A61L27/54A61L27/56A61L2300/106A61L2300/108A61L2300/404A61L2300/41A61L2300/412A61L2300/606A61L2430/02B01J21/063B01J27/135B01J27/20B01J35/004C25D11/26
Inventor 杨海燕赵斌元杜翠玲于卫强
Owner 斌源材料科技(上海)有限公司
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