A novel covalent‐triazine framework (CTF‐PO71) is designed and prepared from an organic pigment molecule for high‐performance gas separation. The functional sites with different electrostatic potentials on the pore surface of CTF‐PO71 demonstrate a strong interaction between C₂H₂ and CTF‐PO71 to achieve preferential adsorption of C₂H₂ over C₂H₄, thus enabling effective capture of a trace amount of C₂H₂ from the gas mixture. This is the first organic porous polymer that is capable of separating C₂H₂ and C₂H₄. The commercial availability and the low cost of the pigment as well as the high stability of the resultant framework endow CTF‐PO71 with a significant potential for practical applications.

中文翻译：

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基于颜料的共价三嗪骨架在环境条件下的有效乙炔/乙烯分离

由有机颜料分子设计和制备了一种新型的共价三嗪骨架（CTF-PO71），用于高效气体分离。在CTF-PO71的孔表面上具有不同静电势的功能位点表明C ₂ H ₂和CTF-PO71之间有很强的相互作用，从而实现了C ₂ H _2相对于C ₂ H _4的优先吸附，从而能够有效捕获痕量混合气体中的C ₂ H ₂的量。这是第一种能够分离C ₂ H ₂和C ₂ H _4的有机多孔聚合物。CTF-PO71的市售性和颜料的低成本以及其最终框架的高稳定性赋予CTF-PO71很大的实际应用潜力。