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Calcium magnesium phosphate nanometer structure material and preparation method thereof

A calcium-magnesium phosphate, nano-structure technology, applied in chemical instruments and methods, phosphorus compounds, inorganic chemistry, etc., can solve the problems of difficult control of size and morphology, easy crystal growth, etc., and achieves convenient operation and simple preparation process. Effect

Active Publication Date: 2015-10-07
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] Although the current literature has reported methods for preparing calcium magnesium phosphate, most of them use calcium salts, magnesium salts, and inorganic phosphorus sources to directly mix and sinter to obtain calcium magnesium phosphate ceramics or cement materials, and few people directly synthesize them. Calcium Magnesium Phosphate Nano Powder
In addition, when inorganic phosphate is used as the phosphorus source, in the initial stage of the reaction, the calcium ions, magnesium ions and phosphate ions in the solution are all in a supersaturated state, and the crystals are easy to grow, and the size and shape are difficult to control.

Method used

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  • Calcium magnesium phosphate nanometer structure material and preparation method thereof
  • Calcium magnesium phosphate nanometer structure material and preparation method thereof
  • Calcium magnesium phosphate nanometer structure material and preparation method thereof

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preparation example Construction

[0042] (1) The preparation process of the present invention is simple, easy to operate, does not require complicated and expensive equipment, and is easy to realize industrialized production;

[0043] (2) Prepared hydroxyapatite nanorods / nanosheets assembled hollow microspheres and monetite nanoparticles assembled hollow microspheres with regular morphology (see Figure 2 ~ Figure 4 ), the diameter of the hollow microspheres is about 1 to 2 microns, and the diameter of the cavity can be 200 nanometers to 1.5 microns;

[0044] (3) The prepared amorphous calcium magnesium phosphate submicron solid microspheres have regular morphology and relatively uniform size (see Figure 5 ~ Figure 8 ), the diameter is about 0.5-1 micron; the thickness of the prepared magnesium phosphate pentahydrate nanosheet can be 10-50 nanometers;

[0045] (4) The phase and morphology of the obtained calcium magnesium phosphate nanostructure can be adjusted by changing the molar ratio of calcium ions to magnesiu...

Embodiment 1

[0049] At room temperature, add 1.110 grams of CaCl 2 Dissolve in 100 ml of deionized water to form a solution A, add 2.033 g of MgCl 2 ·6H 2 O was dissolved in 100 ml of deionized water to form solution B, and 1.570 g of creatine phosphate sodium salt was dissolved in 80 ml of deionized water to form solution C. Take 20 ml of deionized water and 9 ml of A solution, 1 ml of B solution and 10 ml of C solution and mix under magnetic stirring to form a clear mixed solution. Transfer the clear mixed solution to a microwave reactor (60 ml capacity) and seal , Microwave heating to 120°C and keeping it for 10 minutes. After the reaction system was naturally cooled to room temperature, the product was taken out and centrifuged. The separated product was washed 3 times with deionized water, washed once with absolute ethanol, and dried in the air at 60°C to obtain a nanosheet assembled hollow microsphere structure. The diameter is about 1 micron. The phase of the hollow microspheres is ...

Embodiment 2

[0051] At room temperature, add 1.110 grams of CaCl 2 Dissolve in 100 ml of deionized water to form a solution A, add 2.033 g of MgCl 2 ·6H 2 O was dissolved in 100 ml of deionized water to form solution B, and 1.570 g of creatine phosphate sodium salt was dissolved in 80 ml of deionized water to form solution C. Take 20 ml of deionized water and 7 ml of A solution, 3 ml of B solution and 10 ml of C solution and mix under magnetic stirring to form a clear mixed solution. Transfer the clear mixed solution into a microwave reactor (60 ml capacity) and seal , Microwave heating to 120°C and keeping it for 10 minutes. After the reaction system was naturally cooled to room temperature, the product was taken out and centrifuged. The separated product was washed 3 times with deionized water, washed once with absolute ethanol, and dried in air at 60°C to obtain nanoparticle assembly hollow microspheres. About 1 micron. The phase of the hollow microspheres is the monetite phase.

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Abstract

The invention relates to a calcium magnesium phosphate nanometer structure material and a preparation method thereof. The method includes the following steps of using water soluble calcium salt as a calcium source, water soluble magnesium salt as a magnesium source and phosphorus biological molecules as a phosphorus source; performing hydrothermal reaction on mixed water solution containing the calcium source, the magnesium source and the phosphorus source to obtain the calcium magnesium phosphate nanometer structure material. The phase and the morphology of the calcium magnesium phosphate nanometer structure material are regulated and controlled by means of regulating the molar ratio of the calcium source to the magnesium source.

Description

Technical field [0001] The invention relates to a calcium-magnesium phosphate nanostructure material and a preparation method thereof, in particular to a reaction system that uses water-soluble calcium salt as a calcium source, water-soluble magnesium salt as a magnesium source, and phosphorus-containing biomolecules as a phosphorus source. The preparation method for obtaining the calcium magnesium phosphate nanostructure material belongs to the field of biological material preparation. Background technique [0002] Calcium and magnesium are one of the main elements of the human body. They are essential nutrients for cell growth and play an important role in regulating various life activities of the human body. For example, magnesium can regulate the metabolism of bone tissue and affect the mineralization of minerals in bone tissue. And crystallization process. Calcium mainly exists in the hard tissues of human body such as bones and teeth in the form of amorphous calcium phosph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/32
Inventor 朱英杰漆超陈峰
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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