Nano-hydroxyapatite ceramic and preparation method thereof

A technology of nano-hydroxyapatite and hydroxyapatite, which is applied in the field of ceramic processing, can solve the problems of high one-time investment and difficulty in reducing product costs, and achieve the effects of high biological activity, improved degradability, and simple preparation methods

Inactive Publication Date: 2015-04-08
FOSHAN MINGQIAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 201310148908.2 discloses a porous nano-ceramic made of hydroxyapatite nano-rods or sheets and its preparation method. Porous nano-ceramics constructed by sheets; but this method has high requirements for equipment, so that the patent has problems such as high one-time investment and difficulty in reducing product costs; the present invention uses hydroxyapatite, Al 2 o 3 , CaO, ZrO 2 , Y 2 o 3 , CaF 2 etc. as raw materials, the prepared nano-hydroxyapatite ceramics have high biological activity and improved its degradability, the preparation method is simple, the reproducibility is high, and it can be produced on a large scale

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A nano-hydroxyapatite ceramic, consisting of the following components by weight:

[0029] Hydroxyapatite 20 parts, Al 2 o 3 60 parts, CaO 10 parts, ZrO 2 5 copies, Y 2 o 3 5 parts, CaF 2 5 servings.

[0030] Its preparation method comprises the following steps:

[0031] After mixing the above components in proportion, add alcohol solution for uniform mixing and kneading, then evaporate the solvent in a water bath at 80°C, heat and foam in an oven at 80°C, and place the molded green body in a muffle furnace Slowly raise the temperature to 1000°C for 10 hours, and obtain the finished nano-hydroxyapatite ceramics after cooling out of the furnace.

Embodiment 2

[0033] A nano-hydroxyapatite ceramic, consisting of the following components by weight:

[0034] Hydroxyapatite 25 parts, Al 2 o 3 40 parts, CaO20 parts, ZrO 2 10 copies, Y 2 o 3 8 parts, CaF 2 1 to 10 servings.

[0035] Its preparation method comprises the following steps:

[0036] After the above components are proportioned, add alcohol solution for uniform mixing and kneading, then evaporate the solvent in a water bath at 80°C, heat and foam in an oven at 85°C, and place the molded green body in a muffle furnace Slowly raise the temperature to 1000°C for 10 hours, and obtain the finished nano-hydroxyapatite ceramics after cooling out of the furnace.

Embodiment 3

[0038] A nano-hydroxyapatite ceramic, consisting of the following components by weight:

[0039] 30 parts of hydroxyapatite, Al 2 o 3 50 parts, CaO 15 parts, ZrO 2 6 copies, Y 2 o 3 6 parts, CaF 2 5 servings.

[0040] Its preparation method comprises the following steps:

[0041]After mixing the above components in proportion, add alcohol solution for uniform mixing and kneading, then evaporate the solvent in a water bath at 80°C, heat and foam in an oven at 85°C, and place the molded green body in a muffle furnace Slowly raise the temperature to 1200°C for 8 hours, and get the finished nano-hydroxyapatite ceramics after cooling out of the furnace.

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Abstract

The invention relates to a nano-hydroxyapatite ceramic and a preparation method thereof and belongs to the technical field of ceramic processing. The nano-hydroxyapatite ceramic is prepared from the following components in parts by weight: 20-50 parts of hydroxyapatite, 40-60 parts of Al2O3, 10-20 parts of CaO, 1-10 parts of ZrO2, 1-10 parts of Y2O3 and 1-10 parts of CaF2. The preparation method of the nano-hydroxyapatite ceramic comprises the following steps of: matching the components according to a proportion, adding an alcohol solution, mixing uniformly, kneading, evaporating a solvent in a water bath at the temperature of 80 DEG C, heating to expand in a drying oven at the temperature of 70-90 DEG C, molding, putting the molded blank into a muffle furnace, increasing the temperature of the muffle furnace to 1,000-1,200 DEG C slowly, treating the blank for 8-10 hours, cooling, and taking out of the muffle furnace to obtain a finished product of the nano-hydroxyapatite ceramic. The nano-hydroxyapatite ceramic provided by the invention is a three-dimensional nano-porous expanded product, has the porosity of 90% or higher and is suitable for scaffold materials and bone repair materials in the bone tissue engineering.

Description

technical field [0001] The invention relates to a ceramic and a preparation method thereof, in particular to a nano-hydroxyapatite ceramic material and a preparation method thereof, belonging to the technical field of ceramic processing. Background technique [0002] The main reasons why people have been keen on bioceramic hard tissue research for nearly half a century are: (1) the surgical trauma and possible complications of autologous bone transplantation; (2) the potential risk of disease transmission in allogeneic bone transplantation; Tissues can be organically combined with some calcium-containing bioceramics; (4) The development of bioceramics preparation technology. Hydroxyapatite is the main inorganic component of human bones. It is a kind of bioactive material with good biocompatibility. After implanted in bone tissue, it can form a strong chemical bond with bone on the interface and has bone conduction. And osteoinductivity, so it is one of the key substances in...

Claims

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Application Information

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IPC IPC(8): C04B35/447
Inventor 黄朝阳
Owner FOSHAN MINGQIAN TECH
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