Porous nano titanium oxide base heterogeneous bioactive surface and its preparing process
A nano-titanium oxide, bioactive technology, applied in surface reaction electrolytic coatings, coatings, electrolytic coatings, etc., can solve the problems of low bonding strength, difficulty in porosity, lack of biological activity, etc., and achieve good plastic toughness and bonding strength. High and good biological activity
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0009] Embodiment 1, the (CH of 0.2mol / l 3 COO) 2 Ca·H 2 O and 0.02mol / l β-C 3 h 7 Na 2 o 6 P·5H 2 O aqueous solution is mixed to make electrolyte solution. With titanium anode and stainless steel sheet as cathode, a DC pulse power supply is used at a constant voltage of 450V and an initial current density of 8A / mm 2 , frequency of 1000Hz, duty cycle of 20%, and cathode-anode plate spacing of 8cm, titanium is subjected to micro-arc oxidation for 5 minutes, and a porous surface layer with a thickness of about 15 μm can be formed on the titanium surface. The surface layer is composed of titanium dioxide, calcium titanate, α-calcium phosphate and β-calcium pyrophosphate, and the grain size is about 20nm. It can induce the deposition of bone apatite in a simulated body fluid environment for 40 days, and has good biological activity.
Embodiment 2
[0010] Embodiment 2, the (CH of 0.5mol / l 3 COO) 2 Ca·H 2 O and 0.06mol / l β-C 3 h 7 Na 2 o 6 P·5H 2 O aqueous solution is mixed to make electrolyte solution. With titanium alloy as the anode and stainless steel sheet as the cathode, a DC pulse power supply is used at a constant voltage of 700V and an initial current density of 15mA / mm 2 , frequency of 1000Hz, duty cycle of 60%, and cathode and anode plate spacing of 12cm, titanium alloy is subjected to micro-arc oxidation for 5 minutes, and a porous surface layer with a thickness of about 40 μm can be formed on the surface of titanium alloy. The surface layer is composed of rutile titanium dioxide, calcium titanate, α-calcium phosphate and β-calcium pyrophosphate, and the grain size is about 25nm. It can induce the deposition of bone apatite in a simulated body fluid environment for 20 days, and has good biological properties. active.
Embodiment 3
[0011] Embodiment 3, the (CH of 0.2mol / l 3 COO) 2 Ca·H 2 O aqueous solution and 0.06mol / l β-C 3 h 7 Na 2 o 6 P·5H 2 O aqueous solution is mixed to make electrolyte solution. With titanium alloy as the anode and stainless steel sheet as the cathode, a DC pulse power supply is used at a constant voltage of 550V and an initial current density of 10mA / mm 2 , frequency 800Hz, duty cycle 50%, and cathode-anode plate spacing 10cm, titanium alloy is subjected to micro-arc oxidation for 5 minutes, and a porous surface layer with a thickness of about 30 μm can be formed on the surface of titanium alloy. The surface layer is composed of rutile titanium dioxide, calcium titanate, α-calcium phosphate and β-calcium pyrophosphate, and the grain size is about 30nm. It can induce the deposition of bone apatite in a simulated body fluid environment for 30 days, and has good biological properties. active.
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com