Problem 26.10 (p. 1324) highlighted the cationic ring-opening polymerization of oxetane, producing polyoxetane. Polyoxetane can be synthesized via an anionic polymerization, too. (a) Propose a synthesis of polyoxetane via anionic polymerization and show the mechanism for the first two propagation steps. (b) Draw a condensed formula for polyoxetane. (c) Do you expect polyoxetane to be more or less soluble in water than poly(ethylene oxide)? Justify your answer. (d) Do you expect polyoxetane to have a higher or lower melting point than poly(ethylene oxide)? Justify your answer. Oxetane PROBLEM 26.10 Draw the initiation step and the first two propagation steps for the cationic ring-opening polymerization reaction that takes place when oxetane is treated with a Lewis acid like BF3. Also, draw the Oxetane repeating unit of the resulting polymer.

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Problem 26.10 (p. 1324) highlighted the cationic ring-opening polymerization of oxetane, producing polyoxetane.
Polyoxetane can be synthesized via an anionic polymerization, too.
(a) Propose a synthesis of polyoxetane via anionic polymerization and show the mechanism for the first two
propagation steps.
(b) Draw a condensed formula for polyoxetane.
(c) Do you expect polyoxetane to be more or less soluble in water than poly(ethylene oxide)? Justify your answer.
(d) Do you expect polyoxetane to have a higher or lower melting point than poly(ethylene oxide)? Justify your answer.
Oxetane
Transcribed Image Text:Problem 26.10 (p. 1324) highlighted the cationic ring-opening polymerization of oxetane, producing polyoxetane. Polyoxetane can be synthesized via an anionic polymerization, too. (a) Propose a synthesis of polyoxetane via anionic polymerization and show the mechanism for the first two propagation steps. (b) Draw a condensed formula for polyoxetane. (c) Do you expect polyoxetane to be more or less soluble in water than poly(ethylene oxide)? Justify your answer. (d) Do you expect polyoxetane to have a higher or lower melting point than poly(ethylene oxide)? Justify your answer. Oxetane
PROBLEM 26.10 Draw the initiation step and the first two propagation
steps for the cationic ring-opening polymerization reaction that takes
place when oxetane is treated with a Lewis acid like BF3. Also, draw the
Oxetane
repeating unit of the resulting polymer.
Transcribed Image Text:PROBLEM 26.10 Draw the initiation step and the first two propagation steps for the cationic ring-opening polymerization reaction that takes place when oxetane is treated with a Lewis acid like BF3. Also, draw the Oxetane repeating unit of the resulting polymer.
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