Preparing method for magnesium-containing hydroxyapatite coating on surface of carbon/carbon composite

A technology of magnesium-containing hydroxyapatite and carbon composite materials, which is applied in the direction of metal material coating technology, coating, liquid chemical plating, etc., can solve the problems of limited application and high frequency, and achieve the simple and easy operation of the preparation method, coating Uniform layer and control growth effect

Active Publication Date: 2016-08-31
CHANGZHOU NO 2 PEOPLES HOSPITAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

201110112824.4 discloses a method for preparing a silicon-containing hydroxyapatite coating for carbon / carbon composite materials. The 1.1MHz ultra-high frequency induction method is used to prepare a silicon-containing hydroxyapatite coating. Due to its high frequency, its application is limited

Method used

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  • Preparing method for magnesium-containing hydroxyapatite coating on surface of carbon/carbon composite
  • Preparing method for magnesium-containing hydroxyapatite coating on surface of carbon/carbon composite
  • Preparing method for magnesium-containing hydroxyapatite coating on surface of carbon/carbon composite

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Experimental program
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Effect test

Embodiment 1

[0027] Set the density to 1.3g / cm 3 The medical carbon / carbon composite material is placed in a 50ml test tube, and the test tube is filled with hydrochloric acid with a concentration of 37.5%, and the test tube is placed in the radiation field. The absorbed dose of cobalt 60 irradiation is 200KGy, and the carbon / carbon composite material is taken out after irradiation. Wash and dry with deionized water; prepare a mixed solution with 0.16mol / L calcium nitrate, 0.02mol / L magnesium nitrate, and 0.1mol / L ammonium dihydrogen phosphate, and place the pretreated medical carbon / carbon composite material in the mixed solution In the solution, a magnesium-doped apatite coating was prepared on its surface by electromagnetic induction, the electromagnetic induction oscillation frequency was 30KHz, the oscillation current was 200A, the deposition time was 10min, and it was cleaned with deionized water; the magnesium-doped apatite coating was The layer is placed in a hydrothermal kettle co...

Embodiment 2

[0029] Set the density to 1.8g / cm 3 The medical carbon / carbon composite material is placed in a 50ml test tube, and the test tube is filled with hydrochloric acid with a concentration of 10%, and the test tube is placed in the radiation field. The absorbed dose of cobalt 60 irradiation is 500KGy, and the carbon / carbon composite material is taken out after irradiation. Wash and dry with deionized water; 0.16mol / L calcium nitrate, 0.1mol / L magnesium nitrate, and 0.1mol / L ammonium dihydrogen phosphate are prepared as a mixed solution, and the pretreated medical carbon / carbon composite material is placed in the mixed solution. In the solution, a magnesium-doped apatite coating was prepared on its surface by electromagnetic induction, the electromagnetic induction oscillation frequency was 150KHz, the oscillation current was 700A, the deposition time was 8h, and it was cleaned with deionized water; the magnesium-doped apatite coating was The layer is placed in a hydrothermal kettle...

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Abstract

The invention relates to a preparing method for a magnesium-containing hydroxyapatite coating on the surface of a carbon / carbon composite. The method comprises the steps of material pretreatment, magnesium doping treatment and water heat treatment. The preparing method has the advantages that the preparing method for the magnesium-containing hydroxyapatite coating is simple and easy to operate, the binding force of the coating is high, the coating is even, and the magnesium-containing hydroxyapatite coating has a bone tissue regeneration inducing function and sclerotin growth adjusting and remodeling functions.

Description

technical field [0001] The invention relates to a preparation method of a magnesium-containing hydroxyapatite coating on the surface of a carbon / carbon composite material. Background technique [0002] Carbon is one of the main elements that make up organic matter, and it is an important element that makes up the human body. Carbon materials have been applied and developed in many artificial materials such as heart valves, bones, tooth roots, blood vessels, and tendons. Carbon / carbon composites overcome the brittleness of single carbon materials, and have the advantages of high strength, high toughness, corrosion resistance, and high temperature resistance. Carbon / carbon composite material is a new type of composite material with carbon fiber reinforced carbon matrix. Its elastic modulus is equivalent to that of human bone and has good biomechanical compatibility. [0003] The surface of untreated carbon / carbon composites is hydrophobic, which is a biologically inert materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/12A61L27/50A61L27/42A61L27/32
CPCA61L27/32A61L27/422A61L27/50A61L2420/02C23C18/1204C23C18/1245C23C18/125
Inventor 倪昕晔熊信柏李爱军白瑞成
Owner CHANGZHOU NO 2 PEOPLES HOSPITAL
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