Sims, Samantha M. published the artcileCorrelating structure with ionic conductivity in bis(phosphonium)-containing [NTf2] thiol-ene networks, Related Products of alcohols-buliding-blocks, the main research area is correlating ionic conductivity phosphonium containing ionic liquid photopolymerization.
Thiol-ene photopolymerization was employed in order to prepare a series of covalently crosslinked bis(phosphonium)-containing poly(ionic liquid) (PIL) networks. While the counteranion was held constant (NTf2), the structure of the bis(phosphonium)-containing ‘ene’ monomer was varied in order to explore the breadth of thermal, mech. and conductive properties available for this system. Towards this end, it was determined that more flexible spacers within the cationic monomer led to PIL networks with lower Tg values and higher conductivities. Most notable was a two- to three-orders-of-magnitude increase in ionic conductivity (from 10-9 to 10-6 S cm-1 at 30 °C, 30% relative humidity) when the R group on phosphonium was changed from Ph to iso-Pr. Changing the functional group ratio to off-stoichiometry also led to a slight increase in conductivity Although the thermal stability (Td5%) of the phosphonium ionic liquid monomers was found to be significantly higher (>400 °C) than that of analogous imidazolium monomers, this improvement was not observed to directly transfer over to the polymer where a two-step decomposition pathway was observed The first step is attributed to the thiol monomer backbone while the second step correlates well with decomposition of the phosphonium portion of the PIL. © 2019 Society of Chem. Industry.
Polymer International published new progress about Dielectric loss. 7575-23-7 belongs to class alcohols-buliding-blocks, name is Pentaerythritol tetra(3-mercaptopropionate), and the molecular formula is C17H28O8S4, Related Products of alcohols-buliding-blocks.
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts