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Chapter 27: Q36P (page 1210)

Draw a segment of a polymer (containing three monomers) that forms from the anionic polymerization of the compound shown below.

Short Answer

Expert verified

In anionic addition polymerization, the polymerization of monomers is begun via anion-induced chain growth or addition polymerization.

Step by step solution

01

Undergo in the presence of BrLi

Lithium bromide has been discovered to be an affordable and effective catalyst for the opening of epoxide rings by amines, making beta-amino alcohol production more ecologically friendly. In high yields, aromatic and aliphatic amines react with cycloalkene oxides to create trans-2-(aryl/alkylamino) cycloalkanols.

Reaction in the presence of BrLi

02

1 equiv. relative to initiator

The most often employed initiators produce free radicals (reactive atoms or groups of atoms with odd numbers of electrons).

Reaction with initiator

03

Formation of polymer containing three monomers

A monomer is the smallest repeating unit in a polymer. A polymer is a lengthy chain of more than ten thousand monomer units. Monomers are the building blocks of polymers, to put it another way.

Formation of Polymer

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Most popular questions from this chapter

Draw a short segment of branched polystyrene.

a. Draw a short segment of nylon 4.

b. Draw a short segment of nylon 44.

Propose a mechanism for the formation of Melmac.

Bakelite, a durable plastic used for the casing of early radios and TVs, was the first of the thermosetting polymers. It is a highly cross-linked polymer formed from the acid-catalyzed polymerization of phenol and formaldehyde. Because it is much darker than Melmac, Bakelite’s range of colors is limited. Propose a structure for Bakelite.

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b. Draw three segments of the polymer that is formed from 1,2-polymerization of 1,3-butadiene.
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