ORGANIC CHEMISTRY 1 TERM ACCESS
ORGANIC CHEMISTRY 1 TERM ACCESS
3rd Edition
ISBN: 9781119661511
Author: Klein
Publisher: WILEY
Question
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Chapter 27, Problem 29PP

(a)

Interpretation Introduction

Interpretation:

Identify the repeating unit of the polymer formed and classify as chain-growth or step-growth polymers.

Concept introduction:

  • Polymers can be classified as chain-growth and step-growth polymers. 
  • Chain-growth polymers are the one which are formed when monomer is added to the other monomer growing chain one at a time. 
  • This growing polymer chain usually has only one reactive site.  This site is called growth point. 
  • Step-growth polymers are the one when the monomers react with each other to form oligomers. 
  • These oligomers are joined together to form polymers.  This usually occurs when difunctional monomers are used.  This has got two growth points.

To identify: The polymer formed and to determine whether it is step-growth or chain-growth polymer.

(b)

Interpretation Introduction

Interpretation:

Identify the repeating unit of the polymer formed and classify as chain-growth or step-growth polymers.

Concept introduction:

  • Polymers can be classified as chain-growth and step-growth polymers. 
  • Chain-growth polymers are the one which are formed when monomer is added to the other monomer growing chain one at a time. 
  • This growing polymer chain usually has only one reactive site.  This site is called growth point. 
  • Step-growth polymers are the one when the monomers react with each other to form oligomers. 
  • These oligomers are joined together to form polymers.  This usually occurs when difunctional monomers are used.  This has got two growth points.

To identify: The polymer formed and to determine whether it is step-growth or chain-growth polymer.

(c)

Interpretation Introduction

Interpretation:

Identify the repeating unit of the polymer formed and classify as chain-growth or step-growth polymers.

Concept introduction:

  • Polymers can be classified as chain-growth and step-growth polymers. 
  • Chain-growth polymers are the one which are formed when monomer is added to the other monomer growing chain one at a time. 
  • This growing polymer chain usually has only one reactive site.  This site is called growth point. 
  • Step-growth polymers are the one when the monomers react with each other to form oligomers. 
  • These oligomers are joined together to form polymers.  This usually occurs when difunctional monomers are used.  This has got two growth points.

To identify: The polymer formed and to determine whether it is step-growth or chain-growth polymer.

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