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WorksheetsPolymer Materials and Their Applications
Total questions: 12
Worksheet time: 6mins
Evaluate the impact of Kevlar fibres on sporting products.
Kevlar fibres are used in bicycle tyres to prevent punctures.
Kevlar fibres are primarily used in clothing for fashion purposes.
Kevlar fibres are used in sports drinks to enhance performance.
Kevlar fibres are used in tennis rackets to increase power.
Explain why laminated card is suitable for drinks cartons.
It is lightweight and easy to transport.
It is moisture-resistant, provides structural integrity, and is printable for branding.
It is biodegradable and environmentally friendly.
It is cheaper than plastic alternatives.
Describe the purpose of fillers in polymers.
Fillers are used to enhance the color of polymers.
Fillers add bulk to products, reduce costs, and improve performance characteristics.
Fillers are primarily used to increase the flexibility of polymers.
Fillers are added to improve the electrical conductivity of polymers.
For fibreglass, name a product and reasons for its suitability.
Boat hulls. Reasons: Lightweight and strong, resistant to corrosion.
Insulation panels. Reasons: Heavy and prone to moisture damage.
Automobile parts. Reasons: Expensive and difficult to repair.
Sports equipment. Reasons: Weak and not durable.
Name a fibre reinforced composite material.
Fibreglass.
Wood.
Steel.
Concrete.
What is rotational moulding?
A manufacturing process where a heated hollow mould is filled with a polymer and rotated to create a uniform product.
A technique used for welding metals together.
A method for creating 3D printed objects using resin.
A process for shaping glass by blowing air into it.
Explain why Thermoplastic Elastomer (TPE) is suitable for TV remote controls.
TPE is rigid and heavy, making it durable.
TPE is flexible, durable, and provides a comfortable grip.
TPE is expensive and difficult to manufacture.
TPE is only suitable for outdoor use.
What steps can manufacturers take to prevent polymer degradation in outdoor chairs?
Add UV stabilisers and use moisture-resistant materials.
Use only metal components for construction.
Avoid using any protective coatings.
Increase the thickness of the polymer used.
Describe the purpose of plasticisers in polymers.
Plasticisers improve the strength of polymers.
Plasticisers enhance the color of polymers.
Plasticisers improve plasticity, making polymers less brittle and reducing viscosity for better flow during manufacturing.
Plasticisers increase the melting point of polymers.
Name a product made from Urea Formaldehyde and explain its suitability.
Adhesives and laminates due to their strength and durability.
Fertilizers due to their high nitrogen content.
Plastics for their lightweight properties.
Paints for their quick-drying capabilities.
Explain why High Density Polyethylene (HDPE) is suitable for outdoor chairs.
HDPE is lightweight and easy to transport.
HDPE is resistant to moisture, UV light, and does not degrade easily, making it ideal for outdoor use.
HDPE is available in a variety of colors and designs.
HDPE is biodegradable and environmentally friendly.
List two advantages of using Polylactide (PLA) for making shopping bags.
PLA is compostable and offers sufficient strength for carrying items.
PLA is biodegradable but weak for carrying heavy items.
PLA is non-toxic but not suitable for food packaging.
PLA is recyclable but not durable for everyday use.
