Poly(arylene ether)s, poly(arylene thioether)s, and poly(arylene sulfone)s derived from a dihydroxy(imidoarylene) monomer

Polymers and Sulfur: what are Organic Polysulfides Good For? Preparative Strategies and Biological Applications

“…Besides poly(phenylene sulfide), a number of other fully‐aromatic polysulfides have been studied, although none of them appears to have reached the stage of commercial application, for example: polysulfides containing fused54, 55 or heterocyclic56, 57 structures, or polymers based on more complex main chains, such as poly(thioether ketones)54, 58 and poly(thioether sulfones) 59. It is worth mentioning that poly(arylene thioethers), including also poly(thioether ketones), have higher hydrophobicity, flame resistance and refractive index than the corresponding poly(arylene ethers), for example, poly(phenylene oxide) or poly(ether ketones) (PEKs).…”

“…It is worth mentioning that, in contrast to the “monomer route” (i.e., the use of sulfone‐containing monomers), at the beginning of the '70s a “polymer route” to polysulfones was proposed (Figure 3), which allowed to convert preformed aromatic polysulfides into the corresponding polysulfones by the help of hydrogen peroxide 59. Literature offers a number of later examples of this approach, which has been applied to the oxidation of aliphatic [such as poly(thietane),75 poly(ethylene sulfide)153, 154 and poly(hexene sulfide)155] and aromatic55, 57, 156 polysulfides to polysulfones. It is noteworthy that the “polymer route” may be the only way to produce main‐chain aliphatic polysulfones with the narrow MW dispersion typical of “living” chain polymerisation mechanisms, since the synthesis of sulfone‐contained strained rings (analogous to episulfides) is generally non‐trivial 157…”

Synthesis and characterization of cross‐linkable poly(phthalazinone ether ketone)s

“…The polymerization has been confirmed to proceed via a novel NC coupling reaction as evidenced by spectroscopic studies 6, 7. Thereafter, many phthalazinone‐containing high‐performance polymers, such as poly(phthalazinone ether)s,8–13 polyamides, and polyimides14 with good solubility and excellent thermal stability have been reported. The poly(phthalazinone ether)s, represented by poly (phthalazinone ether ketone)s and poly(phthalazinone ether sulfone)s, are a new class of PAEs with excellent thermooxidative stability, high glass transition temperature ( T g ), good solubility, and outstanding mechanical properties.…”

Processable high Tg high strength fluorinated new poly(arylene ether)s containing imido aryl group

“…Strukelji and Hay reported the synthesis of a number of imido aryl biphenols derived from phenolphthalein 12. These biphenols were used to react readily with different activated aromatic bishalides to prepare poly (arylene ether)s, poly(imidoaryl ether sulfone)s, poly(imidoaryl ether ketone)s 12, 13. These imido biphenol based polymeric materials exhibited high Young's moduli, high thermo oxidative stability ( T d 10% > 545°C), and glass transition temperature as high as 245 to 330°C.…”