An imidazolium-based ionene blended with crosslinked PEO as a novel polymer membrane for selective CO2 separation was written by Kammakakam, Irshad;Rao, Anil H. N.;Yoon, Hee Wook;Nam, SangYong;Park, Ho Bum;Kim, Tae-Hyun. And the article was included in Macromolecular Research in 2014.Product Details of 4074-88-8 This article mentions the following:
A novel imidazolium-based ionene was mixed with a di(ethylene glycol) diacrylate that was subsequently photocrosslinked to form a blend membrane useful for CO2/N2 gas separation The crosslinked poly(ethylene oxide) (PEO) offered a mech. stable matrix with a high CO2 affinity. The ionene loading affected both the structure and CO2 separation performance of the blend membranes as demonstrated by varying the ionene content in three levels, 1:1, 2:1, and 3:1 (ionene:crosslinker) by weight The CO2 solubility of the membrane dramatically increased with the ionene loading level, and a high CO2/N2 permselectivity of 33.5 was obtained for the [3II-cPEO][TFSI]. The imidazolium-based ionene blend membranes prepared with crosslinked PEO (II-cPEO) also displayed good thermal and mech. stability. In the experiment, the researchers used many compounds, for example, Diethyleneglycoldiacrylate (cas: 4074-88-8Product Details of 4074-88-8).
Diethyleneglycoldiacrylate (cas: 4074-88-8) belongs to alcohols. The oxygen atom of the strongly polarized O鈥旽 bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.Product Details of 4074-88-8
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts