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New polymer synthesis. IX. Synthesis of poly(ether sulfone)s from silylated diphenols or hydroxybenzoic acids

✍ Scribed by Kricheldorf, Hans R. ;Bier, Gerhard


Publisher
John Wiley and Sons
Year
1983
Weight
342 KB
Volume
21
Category
Article
ISSN
0360-6376

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New polymers syntheses. 104. Synthesis o
✍ Yue-Sheng Li; Gert Schwarz; Hans R. Kricheldorf πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 621 KB

Nylon 6 was reacted with trimellitic anhydride (TMA) at 230 °C so that a complete degradation to N-(5-carboxy-pentamethylene) trimellitimide was obtained. The crude imide dicarboxylic acid was reacted in situ with 4,4Ј-bisacetoxy biphenyl whereby an enantiotropic smectic polyesterimide was obtained.