Acid etching solution and acid etching treatment method for titanium implants
A treatment method and implant technology, applied in the directions of titanium oxide/hydroxide, titanium dioxide, etc., can solve the problems of acid gas polluting the environment, volatile acid etching solution, endangering the health of operators, etc., to increase the effective area of etching , good surface quality, good surface quality effect
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Embodiment 1
[0067] In parts by weight, the etching solution contains: 30 parts of sulfuric acid with a mass fraction of 50%, 0.01 part of hydrofluoric acid with a mass fraction of 40%, 3 parts of ethylenediaminetetraacetic acid, 2 parts of sodium lauryl sulfate, sulfamic acid 3 parts of acid and 50 parts of water.
[0068] First, configure the etching solution according to the above ratio, and place the prepared etching solution in the etching tank for use. At the same time, high-temperature steam is used to clean the surface of the titanium implant to be etched to remove surface oil and obtain a clean titanium implant. Then put the clean titanium implant into the etching solution in the etching tank, perform ultrasonic treatment at room temperature for 60 minutes, then take it out, clean and dry it. Finally, the acid etching solution after acid etching is subjected to aging treatment, and then filtered to obtain titanium dioxide and the acid etching solution for reuse.
Embodiment 2
[0070] In parts by weight, the etching solution contains: 45 parts of sulfuric acid with a mass fraction of 60%, 0.04 parts of a fluorine-containing salt with a mass fraction of 50%, 2 parts of phosphate, 4 parts of ethylene glycol n-butyl ether, 3 parts of ethylenediamine, 3 parts of alkylsulfonate, 2 parts of aminotetrazole compound, 3 parts of dimethylformamide, 2 parts of butynediol and 65 parts of water.
[0071] First, configure the etching solution according to the above ratio, and place the prepared etching solution in the etching tank for use. At the same time, high-temperature steam is used to clean the surface of the titanium implant to be etched to remove surface oil and obtain a clean titanium implant. Then put the clean titanium implant into the etching solution in the etching tank, perform ultrasonic treatment at room temperature for 80 minutes, then take it out, clean and dry it. Finally, the acid etching solution after acid etching is subjected to aging treat...
Embodiment 3
[0073] In parts by weight, the etching solution contains: 50 parts of sulfuric acid with a mass fraction of 60%, 0.2 parts of hydrofluoric acid with a mass fraction of 60%, 2 parts of organic phosphonates, 2 parts of ethylene glycol n-butyl ether, 3 parts of sulfamic acid 4 parts of succinate, 3 parts of cyclohexanediamine acetic acid, 4 parts of methylpropanediol, 3.5 parts of pyridine and 70 parts of water.
[0074] First, configure the etching solution according to the above ratio, and place the prepared etching solution in the etching tank for use. At the same time, high-temperature steam is used to clean the surface of the titanium implant to be etched to remove surface oil and obtain a clean titanium implant. Then put the clean titanium implant into the etching solution in the etching tank, perform ultrasonic treatment at room temperature for 90 minutes, then take it out, clean and dry it. Finally, the acid etching solution after acid etching is subjected to aging treat...
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