WebNov 22, 2024 · Materials. PPBES (DHPZ: biphenol = 8:2, [η] = 0.73 dL g −1) was synthesized as reported in our previous work [].SPPEK-P was prepared as described in the literature [].The chemical structures of PPBES and SPPEK-P are shown in Fig. 1.N-Methyl-2-pyrrolidone (NMP, 99.0%), ethylene glycol monomethyl ether (EGME, 99.0%), glycerol, and N-propanol … WebA fundamental insight is provided in this novel copolymer, useful in future applications, especially in the membrane formation process, which shows a high pure water flux and …

Polyarylether containing triaryl s-triazine ring and phthalazone ...

WebA series of sulfonated PPESK (SPPESKs) were synthesized through a heterogeneous sulfonation process with fuming sulfuric acid as sulfonating agent in a chloroform … WebThe invention relates to a solid phase micro-extraction, and concretely speaking, the invention is a method of preparing poly (phthalaziane ether sulfone ketone) solid phase … churches in cheney washington

Highly proton conductive sulfonated poly (phthalazinone ether ketone …

Web2 Experimental section 2.1 Materials. The bishydroxy monomer, 2-[bis-(4-hydroxyphenyl)-methyl]-benzoic acid (TP-COOH), and the –CF 3 functionalized monomer, 4,4′-bis(4′-fluoro-3′-trifluoromethyl benzyl)biphenyl (QBF), were prepared, according to procedures reported in the literature (42,43).THSPSA (35 wt% in water) and 3,3′-disodiumsulfonyl-4,4′ … WebDec 17, 2008 · Poly(phthalazinone ether sulfone ketone) (PPESK) is a novel high performance thermoplastic with outstanding high temperature resistance and excellent … WebPolymers with bulky substituents are of pronounced interest in membrane based separation applications. In this direction, the present work reports the… developing a support network