We have studied Fischer esterification, in which a carboxylic acid is reacted with an alcohol in the presence of an acid catalyst to form an ester. Suppose that you start instead with a dicarboxylic acid such as terephthalic acid and a diol such as ethylene glycol. Show how Fischer esterification in this case can lead to a macromolecule with a molecular weight several thousand times that of the starting materials. HO, OH poly(ethylene terephthalate) (РET) НО HO, 1,4-Benzenedicarboxylic acid (Terephthalic acid) 1,2-Ethanediol (Ethylene glycol) the material produced in this reaction is a high- molecular-weight polymer, which can be fabricated into Mylar films and into the textile fiber known as Dacron polyester.
We have studied Fischer esterification, in which a carboxylic acid is reacted with an alcohol in the presence of an acid catalyst to form an ester. Suppose that you start instead with a dicarboxylic acid such as terephthalic acid and a diol such as ethylene glycol. Show how Fischer esterification in this case can lead to a macromolecule with a molecular weight several thousand times that of the starting materials. HO, OH poly(ethylene terephthalate) (РET) НО HO, 1,4-Benzenedicarboxylic acid (Terephthalic acid) 1,2-Ethanediol (Ethylene glycol) the material produced in this reaction is a high- molecular-weight polymer, which can be fabricated into Mylar films and into the textile fiber known as Dacron polyester.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:We have studied Fischer esterification, in which a carboxylic acid is reacted with an
alcohol in the presence of an acid catalyst to form an ester. Suppose that you start
instead with a dicarboxylic acid such as terephthalic acid and a diol such as ethylene
glycol. Show how Fischer esterification in this case can lead to a macromolecule with a
molecular weight several thousand times that of the starting materials.
HO,
OH
poly(ethylene terephthalate)
(РET)
НО
HO,
1,4-Benzenedicarboxylic acid
(Terephthalic acid)
1,2-Ethanediol
(Ethylene glycol)
the material produced in this reaction is a high-
molecular-weight polymer, which can be fabricated into Mylar films and into the textile
fiber known as Dacron polyester.
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