Novel hydrazine-bridged covalent triazine polymer for CO_2 capture and catalytic conversion

作     者：Anhua Liu Jinju Zhang Xiaobing Lv 刘安华;张金菊;吕小兵

作者机构：State Key Laboratory of Fine ChemicalsDalian University of TechnologyDalian116024LiaoningChina 

基　　金：supported by the National Natural Science Foundation of China(21406025) the China Postdoctoral Science Foundation(2014M551067) the Start-Up Foundation of Dalian University of Technology(DUT13RC(3)58) 

出 版 物：《Chinese Journal of Catalysis》 (催化学报（英文）)

年 卷 期：2018年第39卷第8期

页      码：1320-1328页

摘      要：Carbon dioxide（CO_2） capture and catalytic conversion has become an attractive and challenging strategy for CO_2 utilization since it is an abundant, inexpensive, and renewable C1 resource and a main greenhouse gas. Herein, a novel hydrazine-bridged covalent triazine polymer（HB-CTP） was first designed and synthesized through simple polymerization of cyanuric chloride with 2,4,6-trihydrazinyl-1,3,5-triazine. The resultant HB-CTP exhibited good CO_2 capture capacity（8.2 wt%, 0 °C, and 0.1 MPa） as well as satisfactory recyclability after five consecutive adsorption-desorption cycles. Such a polymer was subsequently employed as a metal-free heterogeneous catalyst for the cyclo-addition of CO_2 with various epoxides under mild and solvent-free conditions,affording cyclic carbonates with good to excellent yields（67%–99%） and high functional-group tolerance. The incorporation of hydrazine linkages into HB-CTP＇s architecture was suggested to play the key role in activating epoxides through hydrogen bonding. Moreover, HB-CTP can be reused at least five times without significant loss of its catalytic activity.

主 题 词：Covalent triazine polymer Capture Catalysis Carbon dioxide Cyclic carbonate 

学科分类：081704[081704] 081705[081705] 07[理学] 08[工学] 0817[工学-轻工类] 070305[070305] 080501[080501] 0805[工学-能源动力学] 0703[理学-化学类] 

核心收录：

D　O　I：10.1016/S1872-2067(18)63040-2

馆 藏 号：203296234...