Method for modifying surface of polyetheretherketone by injecting tantalum ion and modified polyetheretherketone material
A technology of polyether ether ketone and ion pair, which is applied in the field of polyether ether ketone materials, can solve problems such as poor biocompatibility, achieve strong stability and biological safety, improve osseointegration properties, and biocompatibility Improved effect
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Embodiment 1
[0048] After the pure polyetheretherketone of 10mm×10mm×1mm is polished, it is ultrasonically cleaned with acetone and deionized water in sequence, each time for 30 minutes, after cleaning, it is dried in an oven at 80°C and stored properly. Plasma immersion ion implantation technology was used to implant tantalum ions into the polyetheretherketone matrix (Ta-1), and the modified polyetheretherketone material was properly preserved. The specific process parameters are shown in Table 1:
[0049] Table 1 Tantalum ion implantation parameters:
[0050] Injection voltage (kV)
[0051] figure 1 Ta-1 in the figure is the surface morphology diagram of the medical polyether ether ketone material obtained through the modification treatment in this example, which shows that the surface of the modified material has extremely small nanoparticles, the size of which is about several nanometers; figure 2 Ta-1 in the above is the XPS full-spectrum spectrum of the surface of the med...
Embodiment 2
[0053] After the pure polyetheretherketone of 10mm×10mm×1mm is polished, it is ultrasonically cleaned with acetone and deionized water in sequence, each time for 30 minutes, after cleaning, it is dried in an oven at 80°C and stored properly. Plasma immersion ion implantation technology was used to implant tantalum ions into the polyetheretherketone matrix (Ta-2), and the modified polyetheretherketone material was properly preserved. The specific process parameters are shown in Table 2:
[0054]Table 2 Tantalum ion implantation parameters:
[0055] Injection voltage (kV)
[0056] figure 1 Ta-2 in the figure is the surface morphology diagram of the medical polyether ether ketone material obtained through the modification treatment of this example. The figure shows that the modified material has nanoparticles on the surface, and the size is larger than Ta-1, about 10 nanometers ; figure 2 Ta-2 in this example is the XPS full-spectrum spectrum of the surface of the me...
Embodiment 3
[0058] After the pure polyetheretherketone of 10mm×10mm×1mm is polished, it is ultrasonically cleaned with acetone and deionized water in sequence, each time for 30 minutes, after cleaning, it is dried in an oven at 80°C and stored properly. Plasma immersion ion implantation technology was used to implant tantalum ions into the polyether ether ketone matrix (Ta-3), and the modified polyether ether ketone material was properly preserved after implantation. The specific process parameters are shown in Table 3:
[0059] Table 3 Tantalum ion implantation parameters:
[0060] Injection voltage (kV)
[0061] figure 1 Ta-3 in the figure is the surface morphology diagram of the medical polyether ether ketone material obtained through the modification treatment in this example. The figure shows that the modified material has nanoparticles on the surface, and the size is larger than that of Ta-1 and Ta-2. About 10-20 nanometers; figure 2 Ta-3 in this example is the XPS full...
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Abstract
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