Essential Organic Chemistry, Global Edition
Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 15.10, Problem 21P

(a)

Interpretation Introduction

Interpretation:

The structure of a short segment of PHB has to be drawn.

Concept Introduction:

Biodegradable polymers:

  • Polymers which can be ruined by microorganisms such as fungi, algae or bacteria.
  • Polyactide(PLA) is an example for biodegradable polymer.
  • Polyhydroxyalkanoates(PHAs)- step growth polymers of 3-hydroxycarboxylicacids.
  • An important PHA is PHB which is an example of a polymer of 3-hydroxybutyricacid

(b)

Interpretation Introduction

Interpretation:

The structure of a short segment of PHBV with alternating monomers has to be drawn.

Concept Introduction:

Biodegradable polymers:

  • Polymers which can be ruined by microorganisms such as fungi, algae or bacteria.
  • Polyactide(PLA) is an example for biodegradable polymer.
  • Polyhydroxyalkanoates(PHAs)- step growth polymers of 3-hydroxycarboxylicacids.
  • An important PHA is PHB which is an example of a polymer of 3-hydroxybutyricacid

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4. Recycle bottles of plastic are made from а. Реeptides b. Polyamides c. nylon d. polyethylene terephthalate 5. In condensation of polymerization, monomers are involved which contain functional groups of a. same kind b. different kind C. all groups d. compounds 6. Large molecules made up of small monomers are called a. Polymers b. Peptides c. peptones d. monomers d pumbers react together in addition
Which substance is made up of monomers joined together in long chains? a. Salt b. Ethanol c. Starch d. Vinyl chloride
Which group contains only examples of addition polymers?     a. polyester, polystyrene, polyisoprene   b. polypropylene, polyamide, polysaccharide   c. polystyrene, polypropylene, polyvinylchloride   d. polyamide, polyester   e. polyamide, polyester, polyvinylchloride
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