Incorporating tertiary amine and thioether in polyarylene sulfide sulfone membranes for multiple separations

Yuan, Shushan; Mai, Zhaohuan; Yang, Zhao; Jin, Pengrui; Zhang, Gang; Zhu, Junyong; Matsuyama, Hideto; Bruggen, Bart Van der

doi:10.1016/j.memsci.2023.121482

Cited by 9 publications

(2 citation statements)

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“…As a result, they find wide-ranging applications in medical devices, aviation automobiles, electronic, and electrical application and other fields. [22][23][24][25] The introduction of a large nonplanar side groups on the polymer backbone can increase the distance between the molecular chain and destroy the symmetry and regularity of the molecular structure. This, in turn, increases the free volume and achieve the purpose of reducing the dielectric constant.…”

Section: Introductionmentioning

confidence: 99%

“…As one of the representatives of high‐performance polymers, polyaryl ether materials have the advantages of high‐temperature resistance, acid and alkali resistance, high strength and toughness, and low water absorption etc. As a result, they find wide‐ranging applications in medical devices, aviation automobiles, electronic, and electrical application and other fields 22–25 . The introduction of a large nonplanar side groups on the polymer backbone can increase the distance between the molecular chain and destroy the symmetry and regularity of the molecular structure.…”

Section: Introductionmentioning

confidence: 99%

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Design and synthesis of low‐dieclectric polyaryl ethers containing bulky tetraphenyl vinyl pendant group

Hou,

Zong,

Zhu

et al. 2024

Polymers for Advanced Techs

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A tetraphenylethylene‐containing bisphenol monomer 5‐[4‐(triphenylvinyl)phenyl]benzene‐1,3‐diol (TPE‐OH) was designed and synthesized by Suzuki coupling and nucleophilic substitution reaction. By adjusting the proportion of TPE‐OH, a series of rigid polyaryl ether, namely PPTES, were facilely synthesized by homopolymerization or copolymerization with 4‐(4‐hydroxyphenyl)‐2,3‐diazepine‐1‐one (DHPZ) and 4,4′‐difluorodiphenyl sulfone (DFS). The following characterization of their structures with nuclear magnetic resonance and infrared spectroscopy confirmed successful synthesis of both monomers and polymers. Large, volume‐twisted and non‐coplanar rigid tetraphenylethylene could effectively increase the molecular chain spacing and reduce the regularity of the molecular chain, as evidenced by molecular dynamics simulation with Materials Studio, in turn to form an amorphous nature of PPTES phase state. In addition, such PPTESs have excellent solubility, heat resistance, and other comprehensive properties. Their glass transition temperature (Tg) is between 219 and 300°C, and the 5% thermogravimetric temperature of PPTESs locates at 490–539°C under N2 atmosphere. At 1 GHz, the intrinsic dielectric permittivity of polymer films is between 2.32 and 2.61, gradually decreases with TPE‐OH content. This work would provide new idea and choice for the selection of polyaryl ether resin bisphenol monomer, and promote the development and application of low‐dielectric polyarylether materials.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%