Supramolecular microporous framework material supported by functionalized caged borane anion pillars and its preparation method and application

A technology of anion column and frame material, which is applied in separation methods, chemical instruments and methods, adsorption purification/separation, etc., can solve the problems that need to be studied in application, achieve good structural stability, and realize the effect of selective separation
CN110193352BActive Publication Date: 2020-06-30ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2020-06-30

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Abstract

The invention discloses a functional cage borane anion-pillared supramolecular microporous framework material. Metal Cu<2+> ions coordinate with organic nitrogen-containing ligand L to form a two-dimensional plane structure, which is then bridged to iodine-substituted functional cage dodecaborane anion[B12H11I]<2-> to form a three-dimensional layered columnar framework structure. The functional cage borane anion-pillared supramolecular microporous framework material provided by the invention can be used for selective purification of methane, specifically in high selective adsorption and separation of propylene / methane, propane / methane, ethane / methane, ethylene / methane, and acetylene / methane, and the obtained high purity methane gas and recovered low-carbon hydrocarbon of C2-C3 can be usedfor selective adsorption and separation of natural gas, biogas, pyrolysis gas and other industrial mixed gas containing a lot of methane.
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Description

Technical field

[0001] The invention relates to the technical field of synthesis of porous materials and gas adsorption and separation, in particular to a functionalized cage-shaped borane anion pillared supramolecular microporous framework material and a preparation method and application thereof. Background technique

[0002] Adsorption separation is a relatively energy-saving and efficient separation technology, which has the advantages of simple operation and high removal depth. With the development of porous materials such as molecular sieves, porous polymers (PCPs), and metal-organic frameworks (MOFs), adsorption and separation technology has received widespread attention in recent years, but traditional adsorbents have separation options Shortcomings such as low performance and insufficient processing capacity. Designing a new type of adsorbent to improve adsorption capacity and selectivity is the key to the application of adsorption separation technology to gas separatio...

Claims

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