Synthetic Polymers

The video discusses synthetic polymers, which are human-made and derived from crude oil. It covers various types of synthetic polymers, such as polyethylene, polypropylene, PVC, PTFE, and polystyrene, and their applications in everyday products. The video emphasizes the importance of recycling and biodegradable polymers like PLA and polyglycolic acid, highlighting their environmental benefits and potential uses in medical applications.

What is the primary source of monomers for synthetic polymers?

• Biomass

• Coal

• Crude oil

• Natural gas

Which polymer is made from ethene monomers?

• Polypropylene

• Polyvinyl chloride

• Polyethylene

• Polystyrene

What is the monomer of polytetrafluoroethylene (PTFE)?

• Propylene

• Vinyl chloride

• Tetrafluoroethylene

• Styrene

Which synthetic polymer is commonly used in food packaging as white cups?

• Polypropylene

• Polyvinyl acetate

• Polystyrene

• Polyethylene

What is the significance of the recycling symbol on polyethylene terephthalate bottles?

• It means the bottle is biodegradable.

• It shows the bottle can be recycled into new products.

• It indicates the bottle is made from renewable resources.

• It signifies the bottle is made from natural polymers.

Which polymer is derived from lactic acid and is biodegradable?

• Polystyrene

• Polyethylene

• Polyvinyl chloride

• Polylactic acid

What is a key advantage of using polylactic acid in medical applications?

• It is non-renewable.

• It can be used for dissolvable stitches.

• It is non-biodegradable.

• It is derived from crude oil.