ch04 - Chapter 4 Polymer Structures Concept Check 4.1...

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Chapter 4 Polymer Structures Concept Check 4.1 Question: Differentiate between polymorphism (see Chapter 3) and isomerism. Answer: Polymorphism is when two or more crystal structures are possible for a material of given composition. Isomerism is when two or more polymer molecules or repeat units have the same composition, but different atomic arrangements.
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Concept Check 4.2 Question: On the basis of the structures presented in the previous section, sketch the repeat unit structure for poly(vinyl fluoride). Answer: Inasmuch as poly(vinyl chloride ) has the repeat unit structure shown in Figure 4.2(b), replacing the side-bonded chlorine atom with a fluorine atom will yield a poly(vinyl fluoride ) repeat unit, as shown below.
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Concept Check 4.3 Question: What is the difference between configuration and conformation in relation to polymer chains? Answer: Relative to polymer chains, the difference between configuration and conformation is that conformation is used in reference to the outline or shape of the chain
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This note was uploaded on 05/19/2008 for the course MS 4032 taught by Professor Anony during the Spring '08 term at A.T. Still University.

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ch04 - Chapter 4 Polymer Structures Concept Check 4.1...

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