The structures of the given copolymer are to be drawn. Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid ( terephthalic acid ) and an alcohol, ethane-1,2- diol . It is also known as polyethylene terephthalate ( PET ) . Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.

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Chapter 21, Problem 80E

(a)

Interpretation Introduction

Interpretation: The structures of the given copolymer are to be drawn.

Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid (terephthalic acid) and an alcohol, ethane-1,2-diol . It is also known as polyethylene terephthalate(PET) . Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.

(b)

Interpretation Introduction

Interpretation: The structures of the given copolymer are to be drawn.

Concept introduction: Copolymer is defined as polymers whose repeating structural units are derived from two or more types of monomer units. Polyesters are polymers of an acid, benzene-1, 4-dicarboxylic acid (terephthalic acid) and an alcohol, ethane-1,2-diol . It is also known as polyethylene terephthalate(PET) . Polyesters are formed by condensation polymerization reactions in which the individual units are held by ester linkages between monomers, which involve the carboxyl and hydroxyl functional groups.

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