F5 Chapter 4 : Polymer

what is the meaning of Synthetic Rubber?

• elastic in nature or elastomer polymer

• involves at least two different monomers

• the long-chain molecule that is made from a combination of many repeating basic units

Choose the characteristics of synthetic rubber

• hard

• resistant to heat

• resistant to chemical

• rigid

Those are an example of synthetic rubber, except

• Gloves

• Rubber Band

• Tires

• Paper

What are the characteristics of neoprene (polychloroprene)?

• high heat resistant

• oxidation resistance

• flame resistance

• resistant to chemical

What are the uses of silicone-butadiene rubber?

• stapler

• rubber bands

• book

Which of the following is the property of neoprene?

• heat insulator

• high tensile strength

What is the monomer of natural rubber?

• polyisoprene

• isoprene

The negatively charged protein-membrane causes rubber particles to repel each other.

This statement is referring to,

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Hydrogen ions from acid neutralise the negatively charged protein-membrane

This statement is referring to

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Rubber particles collide with one another that causes the protein-membrane to break

This statement is referring to

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