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Polymers: Microstructural Features and Properties

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Polymers: Microstructural Features and Properties

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Questions and Answers

Which property does the isomeric state affect in the case of butane?

Viscosity

Boiling point (correct)

Density

Melting point

What is the initiator example given for the chemistry of polymers?

Hydrochloric acid

Benzoyl peroxide (correct)

Acetic acid

Ethanol

What does Mn stand for in the context of molecular weight calculation?

Total weight of polymer

Molar mass

Mass of a mole of chains (correct)

Total number of molecules

What does % crystallinity refer to in polymers?

Percentage of material that is crystalline Signup and view all the answers

What type of polymer involves large blocks of A alternating with large blocks of B?

Alternating block polymer Signup and view all the answers

What are the basic microstructural features of polymers?

Crystallinity and molecular weight distribution Signup and view all the answers

How are polymer properties affected by molecular weight?

Higher molecular weight leads to decreased flexibility Signup and view all the answers

What do polymeric crystals accommodate within the polymer chain?

Packing of the polymer chains in an ordered manner Signup and view all the answers

What is the fundamental composition of most polymers?

Carbon and hydrogen Signup and view all the answers

What phenomenon describes hydrocarbon compounds with the same composition but different atomic arrangements?

Isomerism Signup and view all the answers