Exam 26: Synthetic Polymers

Draw the structure of the polymer produced in the following reaction.

Provide the structure of each monomer unit used in the formation of the following polymer.

Which of the following is least readily formed by cationic polymerization?

Is the polymer shown an addition polymer or a condensation polymer?

________ are added to polymers to make them more flexible.

At low temperatures, long-chain polymers are usually ________.

Cis-1,4-Polybutadiene is one form of synthetic rubber. Provide the structure of this polymer.

What kind of polymer is produced in the following reaction?

Nylon 6 is a ________.

A polymer with a high degree of crystallinity is usually ________ than a similar polymer with a lower degree of crystallinity.

Maleic anhydride (below) undergoes addition polymerization. Draw the structure of the polymer that results.

What is the carbon : hydrogen mole ratio in polyethylene?

Draw the structure of the polymer produced in the following reaction.

Show how branching could occur during the free-radical polymerization of styrene.

Why is chain branching less common in anionic polymerization than in cationic polymerization?

Poly (vinyl acetate) is used in the backing of carpet, and in paints and adhesives. Provide two repeating units of poly (vinyl acetate).

Which tend to exhibit a higher degree of crystallinity, isotactic or atactic polymers? Explain briefly.

Draw the structure of poly(acrylonitrile).

Super glue shown below is most likely constructed under what type of mechanism?

Provide the structure of the polymer that is formed from the monomer shown below.