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Tailored synthesis of branched polymers with poly(tetrahydrofuran) having an azetidinium salt end group

✍ Scribed by Hideaki Oike; Tomoki Yaguchi; Yasuyuki Tezuka

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 79 KB
Volume: 200
Category: Article
ISSN: 1022-1352
DOI: 10.1002/(sici)1521-3935(19990401)200:4<768::aid-macp768>3.0.co;2-7

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Synthesis and reactions of poly-tetrahyd

Synthesis and reactions of poly-tetrahydrofuran with azetidinium salt end-groups

✍ Y. Tezuka; E.J. Goethals 📂 Article 📅 1982 🏛 Elsevier Science 🌐 English ⚖ 412 KB

The bulk polymerization of tetrahydrofuran (THF) intiated by methyl triflate or triflic anhydride leads to poly-THF's of polydispersity < 1.2 and possessing one or two oxonium chain ends, if the conversion is kept below 15}~. Reaction of these "living" polymers with an N-substituted azetidine leads