Exam 26: Synthetic Polymers

What substance results from the 1,4-polymerization of 1,3-butadiene?

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

If the side groups of a polymer chain are generally on the same side of the polymer backbone, the polymer is called ________.

Neoprene is a flexible, chemically resistant polymer used in shoe soles, hoses and wetsuits. Based on the polymer structure of neoprene, provide a structure for the monomer of neoprene.

In polymerization reactions what purpose does benzoyl peroxide usually serve?

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

________ polymers result from rapid reaction of one molecule at a time with a growing polymer chain, usually with a reactive intermediate at the growing end of the chain.

An alternating copolymer is shown below. Is this an addition polymer or a condensation polymer?

From which of the following are water pipes commonly manufactured?

Provide a representation of atactic poly(acrylonitrile).

What type of polymer is formed from lactam monomers?

Provide a mechanism to show how H₂C C(CH₃)₂ is polymerized using BF₃ as the initiator.

Why can't poly(vinyl alcohol) be synthesized directly from vinyl alcohol as shown below?

The monomer shown below, 1,1-bistrifluoromethylethylene, undergoes polymerization via:

Which of the following is a condensation polymer?

Which type of polymer, isotactic or atactic, tends to be stronger and stiffer? Explain briefly.

Shown below is a segment of polypropylene. Which of the following terms describes the stereochemistry of the methyl substituents?

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

When the polymer below is hydrolyzed under basic conditions, what compounds are formed?

If the side groups of a polymer occur randomly on either side of the polymer backbone, then the polymer is called ________.