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Mesoporous/macropore hierarchical pore block bilirubin adsorbent material and preparation method thereof

A block material and adsorbent technology, applied in chemical instruments and methods, suction devices, and other chemical processes, can solve problems such as low adsorption capacity, poor adsorption selectivity, and large pore size

Inactive Publication Date: 2014-05-14
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

Due to the fact that most of the above materials have large pore size, uneven pore size distribution, and low specific surface area, they have different degrees of disadvantages such as poor adsorption selectivity and low adsorption capacity.

Method used

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  • Mesoporous/macropore hierarchical pore block bilirubin adsorbent material and preparation method thereof
  • Mesoporous/macropore hierarchical pore block bilirubin adsorbent material and preparation method thereof
  • Mesoporous/macropore hierarchical pore block bilirubin adsorbent material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0075] Weigh a certain amount of P123 into a beaker, then add appropriate amount of hydrochloric acid and water, so that the molar concentration of hydrochloric acid is 1.18M, ​​1.34M, 1.49M and 1.65M respectively, put the beaker in a 37°C water bath and stir Dissolve P123; after P123 dissolves, add a certain amount of ethyl orthosilicate under strong stirring, so that the molar ratio of the substances in the solution is: SiO 2 :P123:H 2 O=1.00:0.016:180, continue to stir for 5 minutes and immediately transfer the sol to a hydrothermal kettle and place it in a constant temperature oven at 120°C for 24 hours, then wash the obtained block with distilled water and keep it at a constant temperature of 100°C Dry in an oven overnight, and then calcine in a muffle furnace at 550° C. for 6 hours to remove the surfactant P123, so as to obtain each matrix-silica block. It was found that the concentration of hydrochloric acid in the range of 1.18-1.65M can get a complete block ( figure...

Embodiment 5-10

[0081] Weigh a certain amount of P123 into a beaker, add appropriate amount of hydrochloric acid and water to make the molar concentration of hydrochloric acid 1.49M, put the beaker in a 37°C water bath and stir to dissolve the P123; Add a certain amount of ethyl orthosilicate under strong stirring, so that the molar ratio of the substances in the solution is: SiO 2 :P123:HCl:H 2 O=1.00:0.016:5.00:180, after continuing to stir for 5 minutes, immediately transfer the sol into a hydrothermal kettle and place it in a constant temperature oven for 24 hours. The temperatures of each constant temperature oven are respectively: 110, 120, 130, 140, 150 and 170°C, and then the obtained block was washed with distilled water and dried overnight in a constant temperature oven at 100°C, and then calcined in a muffle furnace at 550°C for 6 hours to remove the surfactant P123 to obtain each precursor - Silica bulk. It was found that hydrothermal temperatures in the range of 110–170°C yield...

Embodiment 11-21

[0088] Weigh a certain amount of P123 into a beaker, add appropriate amount of hydrochloric acid and water to make the molar concentration of hydrochloric acid 1.49M, put the beaker in a 37°C water bath and stir to dissolve the P123; Add a certain amount of ethyl orthosilicate under strong stirring, so that the molar ratio of the substances in the solution is: SiO 2 :P123:HCl:H 2 O=1.00:0.016:5.00:180, continue to stir for 5 minutes and immediately transfer the sol into a hydrothermal kettle and place it in a constant temperature oven at 120°C for 2 hours and 50 minutes, 5 hours and 20 minutes, and 7 hours and 50 minutes , 10 hours and 20 minutes, 11 hours and 30 minutes, 13 hours, 15 hours and 45 minutes, 18 hours and 30 minutes, 21 hours and 20 minutes, 22 hours and 20 minutes and 24 hours, then the resulting block was washed with distilled water and heated at 100°C Dry in a constant temperature oven overnight, and then calcinate in a muffle furnace at 550° C. for 6 hours t...

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Abstract

The invention relates to a mesoporous / macropore hierarchical pore block bilirubin adsorbent material and a preparation method of the mesoporous / macropore hierarchical pore block bilirubin adsorbent material. The mesoporous / macropore hierarchical pore block bilirubin adsorbent material is prepared by using a hierarchical pore silicon dioxide block material as hard template negative type, wherein the adsorbent material is in a three-dimensional network structure which is formed by assembling and interconnecting micron-sized short bars with ordered mesoporous structures; a pore channel of the network is a macropore. The invention also provides a method for preparing the mesoporous / macropore hierarchical pore block bilirubin adsorbent material. The mesoporous / macropore hierarchical pore block bilirubin adsorbent material is high in specific surface area; the material is block type, the mechanical strength is high, so that the situation that the material is broken and particles fall off can be avoided, and the material is applicable to blood perfusion, high in absorption rate of bilirubin and high in absorption capacity of the bilirubin; along with the increase of the concentration of the bilirubin, equilibrium adsorption capacity for the bilirubin of the material is increased; and the mesoporous / macropore hierarchical pore block bilirubin adsorbent material is a novel bilirubin adsorbent material which is high in rate and high in adsorption capacity.

Description

technical field [0001] The invention belongs to the field of mesoporous materials and relates to a novel mesoporous / macroporous multi-level porous block bilirubin adsorbent material. The invention also relates to a preparation method of the mesoporous / macroporous multi-level porous block bilirubin adsorbent material. Background technique [0002] Toxins in the human body can be roughly divided into two categories: exogenous toxins and endogenous toxins. The former are toxic substances from outside the body (such as pesticides, sleeping pills, etc.), and when they accumulate too much in the human body, they will cause various diseases; Toxic substances (such as bilirubin, bile acid, uric acid, etc.) formed by accumulation can also cause various lesions. Under normal circumstances, the human body can detoxify, remove or neutralize endogenous or exogenous toxins through its own protection systems such as the liver detoxification system, the body's own immune system and excret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/28B01J20/30A61M1/00
Inventor 陶桂菊张玲霞华子乐施剑林
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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