Organic Chemistry
Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Chapter 31.4, Problem 8P
Interpretation Introduction

Interpretation:

Draw the structure of PET (Polyethylene terephthalate).

Concept introduction:

PET is also known as Dacron or Terylene and it is the best example of polyester. This is generally formed by the reaction of ethylene gylcol and 1, 4-benzenedicarboxylic acid (terephthalic acid) at a high temperature in the range of 420K to 450K. The catalyst used for this reaction is zinc acetate antimony trioxide which enhances the rate of reaction.

PET is also the best example of condensation polymerization as it is generated by the condensation of two monomer units.

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