气候变化领域集成服务门户(CCPortal): Guanidine-functionalized basic binuclear poly(ionic liquid)s for low partial pressure CO2 fixation into cyclic carbonate

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DOI	10.1016/j.seppur.2024.126682
	Guanidine-functionalized basic binuclear poly(ionic liquid)s for low partial pressure CO2 fixation into cyclic carbonate
	Qu, Qinghua; Cheng, Linyan; Wang, Peiru; Fang, Cheng; Li, Hongping; Ding, Jing; Wan, Hui; Guan, Guofeng
发表日期	2024
ISSN	1383-5866
EISSN	1873-3794
起始页码	339
卷号	339
英文摘要	The direct conversion of low partial pressure (10-15 %) from industrial waste gas into high value-added chemicals provides a favorable solution to global climate change. However, developing high-efficient catalysts for the conversion of low partial pressure CO2 under mild conditions is still a major challenge. Here, guanidinefunctionalized basic binuclear poly(ionic liquid)s (P-DBTMGH) were prepared by free radical copolymerization. With the introduction of guanidine ionic liquids into the framework of GB-PILs, the alkalinity in the structure was improved, and thus enhancing CO2 surface adsorption and activation ability. Meanwhile, bromide containing binuclear sites help to increase the ion density of bromide and promote the occurrence of ring opening. Using epichlorohydrin as a probe substrate, P-DBTMGH could efficiently catalyze the cycloaddition reaction of the simulated flue gas (15 vol% CO2 + 85 vol% N-2) without any co-catalyst or solvent, and chloropropene carbonate (CPC) with a selectivity and yield of 99 % and 96 % was obtained, which was better than or equivalent to the results reported previously. Moreover, the theoretical studies deeply understood the synergetic effect of guanidine basic sites and bromide containing binuclear sites on CO2 activation and ring-opening of epoxides, which provides a better choice for high-value utilization of low partial pressure CO2 from flue gas.
英文关键词	Guanidine-functionalized; Basic poly(ionic liquid)s; Low partial pressure CO2; Binuclear sites; Synergetic effect
语种	英语
WOS研究方向	Engineering
WOS类目	Engineering, Chemical
WOS记录号	WOS:001182132000001
来源期刊	SEPARATION AND PURIFICATION TECHNOLOGY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/296467
作者单位	Nanjing Tech University; Nanjing Forestry University; Jiangsu University
推荐引用方式 GB/T 7714	Qu, Qinghua,Cheng, Linyan,Wang, Peiru,et al. Guanidine-functionalized basic binuclear poly(ionic liquid)s for low partial pressure CO2 fixation into cyclic carbonate[J],2024,339.
APA	Qu, Qinghua.,Cheng, Linyan.,Wang, Peiru.,Fang, Cheng.,Li, Hongping.,...&Guan, Guofeng.(2024).Guanidine-functionalized basic binuclear poly(ionic liquid)s for low partial pressure CO2 fixation into cyclic carbonate.SEPARATION AND PURIFICATION TECHNOLOGY,339.
MLA	Qu, Qinghua,et al."Guanidine-functionalized basic binuclear poly(ionic liquid)s for low partial pressure CO2 fixation into cyclic carbonate".SEPARATION AND PURIFICATION TECHNOLOGY 339(2024).