Palladium catalysts supported on montmorillonite K10, with the merits of easy preparation, the need of less amount of Pd and good reusability, showed remarkable catalytic activities and selectivities for the catalytic...Palladium catalysts supported on montmorillonite K10, with the merits of easy preparation, the need of less amount of Pd and good reusability, showed remarkable catalytic activities and selectivities for the catalytic hydrodebromination of aromatic bromides. The catalysts were prepared by using amine as the adsorbent and Mont K10 as the supporter. High polar solvents and bases are beneficial to the catalytic hydrodebromination.展开更多
Covalent triazine-based frameworks(CTFs) are important microporous materials with a wide range of applications.Here,we demonstrate an environmentally benign and economic synthetic pathway to CTFs.The monomers used f...Covalent triazine-based frameworks(CTFs) are important microporous materials with a wide range of applications.Here,we demonstrate an environmentally benign and economic synthetic pathway to CTFs.The monomers used for CTFs,aromatic nitriles,were obtained by cyanation using nontoxic potassium hexacyanoferrate(Ⅱ) in place of commonly used toxic cyanides.Then,the CTFs were synthesized by trimerization of the corresponding cyano monomers in molten zinc chloride.A series of CTFs was synthesized,and the highest Brunauer-Emmett-Teller surface area measured in this series was 2404 m^2/g.Among the synthesized CTFs,CTF_(DCP) exhibited excellent CO_2 adsorption properties,with a CO_2 uptake of 225 mg/g at 0℃.展开更多
文摘Palladium catalysts supported on montmorillonite K10, with the merits of easy preparation, the need of less amount of Pd and good reusability, showed remarkable catalytic activities and selectivities for the catalytic hydrodebromination of aromatic bromides. The catalysts were prepared by using amine as the adsorbent and Mont K10 as the supporter. High polar solvents and bases are beneficial to the catalytic hydrodebromination.
基金supported by the National Natural Science Foundation of China(21373202,21525315)~~
文摘Covalent triazine-based frameworks(CTFs) are important microporous materials with a wide range of applications.Here,we demonstrate an environmentally benign and economic synthetic pathway to CTFs.The monomers used for CTFs,aromatic nitriles,were obtained by cyanation using nontoxic potassium hexacyanoferrate(Ⅱ) in place of commonly used toxic cyanides.Then,the CTFs were synthesized by trimerization of the corresponding cyano monomers in molten zinc chloride.A series of CTFs was synthesized,and the highest Brunauer-Emmett-Teller surface area measured in this series was 2404 m^2/g.Among the synthesized CTFs,CTF_(DCP) exhibited excellent CO_2 adsorption properties,with a CO_2 uptake of 225 mg/g at 0℃.
基金supported by the National Natural Science Foundation of China(No.21101085)the Natural Science Foundation of Liaoning Province(No.2015020196)+2 种基金the Fushun Science&Technology Program(No.FSKJHT 201423)the Liaoning Excellent Talents Program in University(No.LJQ2012031)the Talent Scientific Research Fund of Liaoning Shihua University(No.2016XJJ-006)~~