Polymers Flashcards
To revise all things polymers (24 cards)
What are the primary sources of polymers?
Natural sources like plants and animals, and synthetic sources like petroleum.
True or False: Polymers can only be derived from fossil fuels.
False
What is the process of converting oil into polymers called?
Polymerization
Fill in the blank: The main raw material for synthetic polymers is ______.
petroleum
What are the two main types of polymerization?
Addition polymerization and condensation polymerization.
Which polymer is commonly used in plastic bags?
Polyethylene
What is a common use of polystyrene?
Insulation and packaging materials.
True or False: All polymers are biodegradable.
False
What is the significance of the degree of polymerization?
It determines the molecular weight and properties of the polymer.
Which process involves the linking of monomers without the loss of small molecules?
Addition polymerization
What is the primary use of polyvinyl chloride (PVC)?
Construction materials like pipes and siding.
Fill in the blank: _______ is a polymer used in 3D printing.
PLA (Polylactic Acid)
What is cross-linking in polymers?
The process of bonding polymer chains together to enhance properties.
Which type of polymer is known for its elasticity?
Elastomers
True or False: Thermoplastics can be remolded upon heating.
True
What is a key characteristic of thermosetting polymers?
They cannot be remolded once set.
What role do additives play in polymer production?
They enhance properties like strength, flexibility, and color.
Fill in the blank: _______ is a common biodegradable polymer.
Starch-based polymers
What is the impact of polymers on product design?
They allow for versatile designs and lightweight, durable products.
Name one environmental concern related to synthetic polymers.
Plastic pollution
What is the main advantage of using polymers in consumer products?
Cost-effectiveness and versatility.
What type of polymer is nylon?
Synthetic polyamide
True or False: Polymers can be both rigid and flexible.
True
What are biopolymers?
Polymers derived from natural sources, like proteins and polysaccharides.
