Honeycomb-structured solid acid catalysts fabricated via the swelling-induced self-assembly of acidic poly(ionic liquid)s for highly efficient hydrolysis reactions

作     者：Bihua Chen Tong Ding Xi Deng Xin Wang Dawei Zhang Sanguan Ma Yongya Zhang Bing Ni Guohua Gao 陈必华;丁桐;邓熹;王鑫;张大卫;马三罐;张永亚;倪兵;高国华

作者机构：Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai 200062China Department of ChemistryUniversity of CambridgeCambridge CB21EWU.K. School of Life SciencesEast China Normal UniversityShanghai 200241China 

基　　金：国家自然科学基金(21773068,21573072,21811530273) 国家重点研发计划(2017YFA0403102) 上海市重点学科建设项目(B409) 

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

年 卷 期：2021年第42卷第2期

页      码：297-309页

摘      要：The development of heterogeneous acid catalysts with higher activity than homogeneous acid catalysts is critical and still *** this study,acidic poly(ionic liquid)s with swelling ability(SAPILs)were designed and synthesized via the free radical copolymerization of ionic liquid monomers,sodium p-styrenesulfonate,and crosslinkers,followed by *** 31P nuclear magnetic resonance chemical shifts of adsorbed trimethylphosphine oxide indicated that the synthesized SAPILs presented moderate and single acid *** thermogravimetric analysis results in the temperature range of 300–345°C revealed that the synthesized SAPILs were more stable than the commercial resin Amberlite IR-120(H)(245°C).Cryogenic scanning electron microscopy testing demonstrated that SAPILs presented unique three-dimensional(3D)honeycomb structure in water,which was ascribed to the swelling-induced self-assembly of the ***,we used SAPILs with micron-sized honeycomb structure in water as catalysts for the hydrolysis of cyclohexyl acetate to cyclohexanol,and determined that their catalytic activity was much higher than that of homogeneous acid *** equilibrium concentrations of all reaction components inside and outside the synthesized SAPILs were quantitatively analyzed using a series of simulated reaction *** on the reaction mixture,the concentration of cyclohexyl acetate inside SAPIL-1 was 7.5–23.3 times higher than that outside of it,which suggested the high enrichment ability of SAPILs for cyclohexyl *** excellent catalytic performance of SAPILs was attributed to their 3D honeycomb structure in water and high enrichment ability for cyclohexyl acetate,which opened up new avenues for designing highly efficient heterogeneous acid catalysts that could eventually replace conventional homogeneous acid catalysts.

主 题 词：Heterogeneous acid catalyst Acidic poly(ionic liquid) Swelling 3D honeycomb structure Enrichment Hydrolysis Hydration 

学科分类：081702[081702] 081705[081705] 08[工学] 0817[工学-轻工类] 080502[080502] 0805[工学-能源动力学] 

核心收录：

D　O　I：10.1016/S1872-2067(20)63658-0

馆 藏 号：203955468...