Triazinyl porous polymer material, Ag/triazinyl porous polymer catalyst, and application of catalyst in conversion of carbon dioxide into acetylenic acid

Abstract

The invention discloses a triazinyl porous polymer material. The triazinyl porous polymer material is an acetylene bond-functionalized triazinyl porous polymer. The invention also relates to an application of an Ag / triazinyl porous polymer catalyst in catalysis of a carboxylation reaction of the aromatic terminal alkyne and CO2. The triazinyl porous polymer material with high CO2 adsorption capacity is designed and synthesized, and Ag nanoparticles are loaded through using the coordination characteristic of a triazine ring in order to introduce a catalytic active unit to the triazinyl porous organic material skeleton and obtain the Ag / triazinyl porous polymer catalyst. The catalyst can catalyze the direct carboxylation of the aromatic terminal alkyne and CO2 to synthesize acetylenic acid, that is, the catalyst converts CO2 into a chemical substance with high added values.

Description

technical field [0001] The invention relates to a triazine-based porous polymer material, an Ag / triazine-based porous polymer catalyst and the application thereof for converting carbon dioxide into alkynoic acid. Background technique [0002] With climate warming and the increasing energy crisis, CO 2 The capture and transformation of carbon dioxide have attracted widespread attention from the international community. As a new type of porous material, organic framework materials are widely used in CO due to their advantages such as low framework density, high specific surface area, and modifiable framework. 2 Adsorption and separation fields have broad application prospects. Using organic framework materials as adsorbents to capture and convert CO in situ with high efficiency and low energy consumption 2 As a high value-added chemical, it has important scientific value and theoretical significance for mitigating the greenhouse effect and resource utilization. [0003] In...

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Problems solved by technology

[0003] In the prior art, there are many kinds of organic framework materials, such as azo-based porous materials, and N-carbene porous materials. These materials have reported carbon dioxide capture and in-situ conversion, but most of them are CO 2 Converted to carbonate, and the required reaction conditions are harsh, requiring high pressure reaction

[0004] In addition, the current CO 2 Problems in the field of capture and conversion: (1) If homogeneous catalysis is used, recovery is difficult; and if heterogeneous catalysts are used, the specific surface area is low, and the CO 2 The adsorption capacity is low, which is not conducive to mass transfer; (2) in CO 2 During the conversion process, the conditions are very harsh, requiring high temperature and high pressure

[0005] Therefore, with CO 2 CO as a renewable raw material 2 Chemical transformation still faces great challenges, and needs to be continuously explored and researched

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