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Chapter 26: Q20P (page 1337)

Give the structure of the polyurethane formed by the reaction of toluene diisocyanate

with bisphenol A.

Short Answer

Expert verified

Polymer polyurethane is made by a condensation reaction of alcohols (bisphenol A) with compounds that contain an isocyanate group (toluene diisocyanate).

Step by step solution

01

Reaction

Polymer polyurethane is made by a condensation reaction of alcohols (bisphenol A) with compounds that contain an isocyanate group (toluene diisocyanate).

02

Structure

Polyurethane is a synthetic polymer, that has urethanegroups in their chains. It have asegmented structure. A hard segment derived from the isocyanates and soft segments from the diols are normally formed.

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Most popular questions from this chapter

Polychloroprene, commonly known as neoprene, is widely used in wetsuits and in rubber parts that must withstand exposure to gasoline or other solvents.

(a) Is neoprene an addition polymer or a condensation polymer?

(b) What monomer is used to make this synthetic rubber?

Polypropylene is used in making polymer banknotes and textiles.

  1. Give the structure of polypropylene.
  2. Is this an addition polymer or a condensation polymer?
  3. What conditions (cationic, anionic, free-radical) would be the most appropriate for polymerization of propylene? Explain your answer.

Draw the important resonance forms of the stabilized anion formed in the anionic polymerization of methyl acrylate.

Draw the structure of isotactic poly(acrylonitrile) and syndiotactic polystyrene.
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