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Chapter 30: Question 30.26 (page 1225)

Draw the structure of the polymer formed by step-growth polymerization of each monomer or pair of monomers.

a.

b.

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Step-growth polymerization

The polymers are created by the reaction between the different functional groups of the monomer units. An example of step-growth polymerization is condensation polymerization.

02

Structure of the polymer formed by step-growth polymerization of each monomer

a. The bond line structure of the ball and stick model can be given as:

Structure of monomer

The polymerization of structure a can be given as:

Polymerization of structure a

b. The skeletal structure of b can be given as:

Skeletal structure of b

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Most popular questions from this chapter

Draw the structure of the polymer that results from anionic polymerization of p-trichloromethylstyrene using ethylene oxide as the electrophile to terminate the chain.

The reaction of urea [NH2C=O]and formaldehyde role="math" localid="1648635328169" (CH2=O)forms a highly cross-linked polymer used in foams. Suggest a structure for this polymer. [Hint: Examine the structures of Bakelite (Figure 30.7) and Melmac (Problem 30.58).]

Although chain branching in radical polymerizations can occur by intermolecular H abstraction as shown in Mechanism 30.2, chain branching can also occur by intramolecular H abstraction to form branched polyethylene that contains butyl groups as branches.


a. Draw a stepwise mechanism that illustrates which H must be intramolecularly abstracted to form butyl substituents.

b. Suggest a reason why the abstraction of this H is more facile than the abstraction of other H’s.

What polymers are formed from each monomer?

a.

b.

Draw the structure of the polymer formed by chain-growth polymerization of each monomer.

a.

b.
See all solutions

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