Method for preparing CaO-P2O5-MgO glass reinforced porous beta-tricalcium phosphate bioceramics

A cao-p2o5-na2o-mgo, glass-reinforced technology, applied in the direction of ceramic products, applications, home appliances, etc., can solve the problems that are not enough to meet clinical applications

Inactive Publication Date: 2006-09-13
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the contradiction between high porosity and low strength has always restricted the development and application of this material. The compressi

Method used

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  • Method for preparing CaO-P2O5-MgO glass reinforced porous beta-tricalcium phosphate bioceramics
  • Method for preparing CaO-P2O5-MgO glass reinforced porous beta-tricalcium phosphate bioceramics
  • Method for preparing CaO-P2O5-MgO glass reinforced porous beta-tricalcium phosphate bioceramics

Examples

Experimental program
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Example Embodiment

[0020] Example 1: CaO-P 2 O 5 -Na 2 O-MgO Bioglass

[0021] Take NH 4 H 2 PO 4 , Ca(OH) 2 , Na 2 CO 3 , (MgCO 3 ) 4 Mg(OH) 2 ·5H 2 O is the raw material, press P in the raw material 2 O 5 :CaO:Na 2 The mass percentage of O:MgO is 62:14.7:18:5.30, and the total mass is 100 grams. Weigh accurately 47.12 grams of NH 4 H 2 PO 4 , 19.45g Ca(OH) 2 , 30.19 grams of Na2 CO 3 And 63.69 grams (MgCO 3 ) 4 Mg(OH) 2 ·5H 2 O. Grind the said raw materials evenly, pour them into a beaker, slowly add deionized water, and keep stirring until no bubbles emerge. The mixture is dried in an oven at a constant temperature of 80°C, and then calcined and melted. The system is: in the temperature range of 300 to 400°C and 700 to 800°C, the heating rate is 1.5°C / min, and the temperature is 400°C to 700°C and 700°C. In the temperature range of ℃~910℃, the heating rate is 3.5℃ / min, and the temperature is raised to 910℃ for 1 hour. The molten glass is naturally cooled, ground and sieved according to the furnac...

Example Embodiment

[0022] Example 2: CaO-P 2 O 5 -Na 2 O-MgO Bioglass

[0023] Take (NH 4 ) 2 HPO 4 , CaCO 3 , Na 2 CO 3 , MgCO 3 As raw material, press P in raw material 2 O 5 :CaO:Na 2 The mass percentage of O: MgO is 41.4: 9.80: 12: 3.50, the total mass is 50 grams, 26.98 grams (NH 4 ) 2 HPO 4 , 13.06g CaCO 3 , 15.40 grams of Na 2 CO 3 And 5.46 grams of MgCO 3 . Grind the said raw materials evenly, pour them into a beaker, slowly add deionized water, and keep stirring until no bubbles emerge. The mixture is dried in an oven at a constant temperature of 80°C, and then calcined and melted. The system is: in the temperature range of 300 to 400°C and 700 to 800°C, the heating rate is 1.5°C / min, and the temperature is 400°C to 700°C and 700°C. In the temperature range from ℃ to 980℃, the heating rate is 3.5℃ / min, and the temperature is raised to 980℃ for 2 hours. The molten glass is naturally cooled with the furnace, ground and sieved. The ground glass powder is heat-treated at 720°C for half an hour,...

Example Embodiment

[0024] Example 3: Glass reinforced tricalcium phosphate porous ceramics

[0025] Raw material: medical grade calcium carbonate (CaCO 3 ) And calcium hydrogen phosphate dihydrate (CaHPO 4 ·2H 2 O) as the raw material, accurately weigh out 171.1 grams of CaHPO according to the Ca / P molar ratio of 1.5 4 ·2H 2 O and 50.0 g CaCO 3 , Pour the weighed material into the ball mill tank, add deionized water and zirconia grinding balls. According to the ratio of material: grinding ball: water according to the mass ratio of 1:3:2.2, the mixture is high-speed ball milled in an oven for 16 hours at a constant temperature of 85°C and dried, and then calcined at 830°C to obtain an average particle size of 380nm β-Calcium Phosphate Powder.

[0026] Process: The β-tricalcium phosphate and the bioglass prepared in Example 1 are weighed at a mass percentage of 80:20, weighing 50 grams of mixed powder, measuring 33 ml of deionized water, and adding molarity to the deionized water 4ml of ammonium polya...

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Abstract

A CaO-P2O5-Na2O-MgO glass reinforced porous beta-tricalcium phosphate bioceramic is prepared through proportionally mixing P2O5, CaO, Na2O and MgO, smelting, heat treating for educing crystals to obtain bioglass, proportionally adding it to beta-calcium triphosphate powder, and porous foam immersion.

Description

technical field [0001] The present invention relates to a kind of CaO-P 2 o 5 -Na 2 The invention discloses a preparation method of O-MgO glass reinforced porous β-tricalcium phosphate bioceramic, which belongs to the technical field of bioceramic preparation. Background technique [0002] Porous biomaterials have irreplaceable functions in tissue engineering. Calcium phosphate-based materials are considered to be the best bone repair materials for bionic bone, scaffolds and carriers because of their good biocompatibility and bioactivity. Widely used in orthopedic surgery, plastic surgery and dentistry. β-tricalcium phosphate is an important binary compound in the calcium-phosphorus system. It is generally considered to be an absorbable bioactive ceramic material. When it is implanted in the human body, it can be degraded in the body, and the degraded Ca and P enter the living body. The circulatory system forms new bone, which has good biocompatibility and osteoinductive...

Claims

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Application Information

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IPC IPC(8): C04B35/82C04B35/447C04B38/00
Inventor 蔡舒于显著许国华肖张莹张喆
Owner TIANJIN UNIV
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