Chain branching is not as common with anionic polymerization as it is with free-radical polymerization and cationic polymerization. Propose a mechanism for chain branching in the polymerization of acrylonitrile.
Chain branching is not as common with anionic polymerization as it is with free-radical polymerization and cationic polymerization. Propose a mechanism for chain branching in the polymerization of acrylonitrile.
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter29: Organic Polymer Chemistry
Section: Chapter Questions
Problem 29.11P
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Chain branching is not as common with anionic
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Step 1
In the first or the initiation step of mechanism for chain branching in the polymerization of acrylonitrile, an initiator that is Butyllithium is added to a vinyl group that is attached to nitrile group monomer, to form an anion as shown below.
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