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Hydroxyapatite micro-tube, method for preparing same and application of hydroxyapatite micro-tube

A hydroxyapatite and micro-tube technology, applied in chemical instruments and methods, phosphorus compounds, inorganic chemistry, etc., can solve the problems of difficult size regulation, complex preparation process, poor product dispersibility, etc., and achieves convenient operation and preparation. The effect of simple process and good application prospect

Active Publication Date: 2017-05-31
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are problems such as complex preparation process, poor product dispersion, severe agglomeration, low crystallinity, and difficult size control.

Method used

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  • Hydroxyapatite micro-tube, method for preparing same and application of hydroxyapatite micro-tube
  • Hydroxyapatite micro-tube, method for preparing same and application of hydroxyapatite micro-tube
  • Hydroxyapatite micro-tube, method for preparing same and application of hydroxyapatite micro-tube

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Embodiment 1

[0047] At room temperature, dissolve 0.2200 g CaCl2 in 10 ml deionized water to form solution A; dissolve 0.6600 g NaOH in 10 ml deionized water to form solution B; dissolve 0.1925 g (NaPO3)6 in 10 ml deionized water to form C solution; take deionized water, ethanol, and oleic acid to configure 4.5:8.5:7 ternary solvent D solution with a total volume of 20 ml. Add liquid A to liquid D and stir magnetically for 10 minutes; then add liquid B to the above mixture and stir magnetically for 20 minutes; finally add liquid C to the mixture and stir magnetically for 10 minutes. Adjust the final pH value of the mixture to 8. The milky white mixture was transferred into a polytetrafluoroethylene reactor with a stainless steel jacket (capacity: 100 ml), sealed, and reacted at 180° C. for 25 hours. After the reaction system was naturally cooled to room temperature, the product was taken out and centrifuged. The separated product was washed three times with absolute ethanol and three time...

Embodiment 2

[0049] At room temperature, 0.2200 g of CaCl 2 Dissolve 0.6600 g NaOH in 10 ml deionized water to form liquid A; dissolve 0.6600 g NaOH in 10 ml deionized water to form liquid B; dissolve 0.1925 g (NaPO 3 ) 6 Dissolve in 10 ml of deionized water to form solution C; take deionized water, ethanol, and oleic acid to prepare 4.5:8.5:7 ternary solvent solution D with a total volume of 20 ml. Add liquid A to liquid D and stir magnetically for 10 minutes; then add liquid B to the above mixture and stir magnetically for 20 minutes; finally add liquid C to the mixture and stir magnetically for 10 minutes. Adjust the final pH value of the mixture to 8. The milky white mixture was transferred into a polytetrafluoroethylene reactor with a stainless steel jacket (capacity of 100 ml), sealed, and reacted at 200° C. for 25 hours. After the reaction system was naturally cooled to room temperature, the product was taken out and centrifuged. The separated product was washed three times with ...

Embodiment 3

[0051] At room temperature, 0.2200 g of CaCl 2 Dissolve 0.6600 g NaOH in 10 ml deionized water to form liquid A; dissolve 0.6600 g NaOH in 10 ml deionized water to form liquid B; dissolve 0.1925 g (NaPO 3 ) 6 Dissolve in 10 ml of deionized water to form solution C; take deionized water, ethanol, and oleic acid to prepare 4.5:8.5:7 ternary solvent solution D with a total volume of 20 ml. Add liquid A to liquid D and stir magnetically for 10 minutes; then add liquid B to the above mixture and stir magnetically for 20 minutes; finally add liquid C to the mixture and stir magnetically for 10 minutes. Adjust the final pH value of the mixture to 8. The milky white mixture was transferred into a polytetrafluoroethylene reactor with a stainless steel jacket (capacity of 100 ml), sealed, and reacted at 160° C. for 25 hours. After the reaction system was naturally cooled to room temperature, the product was taken out and centrifuged. The separated product was washed three times with ...

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Abstract

The invention relates to a hydroxyapatite micro-tube, a method for preparing the same and application of the hydroxyapatite micro-tube. The hydroxyapatite micro-tube is of a tubular structure. The diameter of the hydroxyapatite micro-tube is 0.1-20 micrometers, and the length of the hydroxyapatite micro-tube is 1-200 micrometers. The hydroxyapatite micro-tube, the method and the application have the advantages that the hydroxyapatite micro-tube comprises single crystals, is super long and is free of agglomeration, and the hydroxyapatite micro-tube and the method have excellent application prospects in the field of biomedicine, filtration adsorption, environmental protection and the like.

Description

technical field [0001] The invention relates to a hydroxyapatite microtube and a preparation method thereof, belonging to the field of biological materials. Background technique [0002] As the main inorganic component of vertebrate bones and teeth, hydroxyapatite has been used in biomedical fields such as tissue engineering and drug delivery because of its good biological activity, biocompatibility, and osteoconductive and osteoinductive capabilities. Apatite bioceramics, hydroxyapatite bone defect repair scaffolds, hydroxyapatite drug carriers, etc. [0003] So far, people have prepared hydroxyapatite materials with different shapes through a variety of different synthesis methods, such as one-dimensional rods, wires, two-dimensional flakes, three-dimensional spherical, flowery, massive, etc. , but there are few reports on the preparation of hydroxyapatite tubular structure materials by a simple method. Therefore, exploring new preparation methods to synthesize hydroxyap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/32
CPCC01B25/32C01P2002/72C01P2004/03C01P2004/04C01P2004/61C01P2004/62
Inventor 朱英杰张永刚陈峰
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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