Method for preparing tiny mesoporous silica drug sustained-release material

A technology of silica and slow-release materials, which is applied in the field of material processing and can solve problems such as non-display
CN104030296AInactive Publication Date: 2014-09-10NANJING FORESTRY UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NANJING FORESTRY UNIV
Publication Date
2014-09-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a method for preparing a tiny mesoporous silica drug sustained-release material and a tiny mesoporous hollow tubular silicon dioxide material obtained through the method. The drug loading capacity, calculated through a TG method, of the tiny mesoporous hollow tubular silicon dioxide material for aspirin model drugs is 15%, the sustained-release stage is the time of six hours of the initial stage of an experiment, and the drug releasing rate is high; after six hours, the stage of release balancing is achieved, and the amount of balanced release is 73.6%.
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Description

technical field

[0001] The invention relates to a micro-mesoporous silicon dioxide drug slow-release material, which belongs to the field of material processing. Background technique

[0002] There are many porous substances in nature. According to the definition of the International Union of Pure and Applied Chemistry (IUPAC), porous materials (porousmaterial) are divided into three categories according to the pore size range: less than 2nm is micropore (micropore); 2 to 50nm is mesopore (mesopore); greater than 50nm For the macropore (macropore). Sometimes micropores smaller than 0.7nm are called ultramicropores, and macropores larger than 1mm are called macropores. Since Mobil Corporation developed the material represented by M41S in 1992, the ordered mesoporous material really entered the stage as a new material. Ordered mesoporous materials have also attracted scholars in various research fields to conduct in-depth research on them because of their unique structures,...

Claims

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