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Chapter 21: Problem 71

Kel-F is a polymer with the structure What is the monomer for Kel-F?

Short Answer

Expert verified
The monomers for Kel-F are Chlorotrifluoroethylene (CTFE): \( C_2ClF_3 \) and Vinylidene fluoride (VDF): \( C_2H_2F_2 \). These two monomers combine during polymerization to form the Kel-F copolymer.

Step by step solution

01

Recognition of the polymer

First, we should look at the provided structure of the Kel-F polymer. Kel-F is a copolymer consisting of two different monomers: chlorotrifluoroethylene (CTFE) and vinylidene fluoride (VDF).
02

Identification of the repeating units

To find the monomer, we need to identify the repeating units within the Kel-F polymer. Let's start by analyzing the structure of the two monomers: 1. Chlorotrifluoroethylene (CTFE): \( C_2ClF_3 \) - it has one carbon double-bonded to another carbon, with two fluorine atoms bonded to the first carbon and a chlorine and a fluorine bonded to the second carbon. 2. Vinylidene fluoride (VDF): \( C_2H_2F_2 \) - it also has one carbon double-bonded to another carbon, with two fluorine atoms bonded to the first carbon and two hydrogen atoms bonded to the second carbon.
03

Monomers of Kel-F

As we have identified the two repeating units, the monomers for Kel-F are: 1. Chlorotrifluoroethylene (CTFE): \( C_2ClF_3 \) 2. Vinylidene fluoride (VDF): \( C_2H_2F_2 \) These two monomers combine during polymerization to form the Kel-F copolymer.

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