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Product Design: Paper 1 > Unit 2 > Flashcards

Unit 2 Flashcards

(68 cards)

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1
Q

What is polymer sheet used for?

A

Flat, thin layers used for forming products like signs or containers.

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2
Q

What is polymer film used for?

A

Thin plastic wrap used for packaging and bags.

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3
Q

What are polymer granules used for?

A

Used as feedstock in moulding processes like injection moulding.

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4
Q

What are polymer rods and extruded forms used for?

A

Used as feedstock in moulding processes like injection moulding.

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5
Q

What are polymer rods and extruded forms used for?

A

Used for machining, 3D forming, or structural parts.

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6
Q

What is polymer foam used for?

A

Used for insulation, packaging, and cushioning.

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7
Q

What is polymer powder used for?

A

Used in rotational moulding or coating surfaces.

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8
Q

What does toughness mean in polymers?

A

The ability to absorb impact without cracking.

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9
Q

What is elasticity in polymers?

A

The ability to stretch and return to shape

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10
Q

Are polymers good thermal insulators?

A

Yes, most resist heat transfer well.

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11
Q

Are polymers good electrical insulators?

A

Yes, most do not conduct electricity.

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12
Q

What does UV resistance mean?

A

Resistance to degradation from sunlight.

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13
Q

Why is mouldability important for polymers?

A

It allows them to be shaped into complex forms.

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14
Q

Why are some polymers used with chemicals?

A

Because they resist corrosion and damage.

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15
Q

Why is melting point important in polymers?

A

It determines how they behave when heated.

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16
Q

What makes a polymer suitable for food packaging?

A

It must be food-safe, lightweight, and sealable.

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17
Q

What is biodegradability in polymers?

A

The ability to break down naturally in the environment.

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18
Q

What is recyclability in polymers?

A

The ability to be reused after processing.

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19
Q

What does self-finishing mean in polymers?

A

The surface finish is smooth after moulding, needing no extra work.

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20
Q

Why are polymers combined with additives?

A

To improve strength, colour, flexibility, or other properties.

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21
Q

What is LDPE commonly used for?

A

Plastic bags and squeezable bottles.

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22
Q

What are properties of LDPE?

A

Flexible, tough, and low melting point.

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23
Q

What is HDPE commonly used for?

A

Milk bottles and hard containers.

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24
Q

What are properties of HDPE?

A

Strong, stiff, and chemical-resistant.

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25
What is polypropylene (PP) used for?
Food containers, chairs, and hinges.
26
What are properties of PP?
Tough, fatigue-resistant, and lightweight.
27
What is high impact polystyrene (HIPS) used for?
Toys and yoghurt pots.
28
What are properties of HIPS?
Tough, rigid, and impact-resistant.
29
What is ABS used for?
LEGO bricks and power-tool casings.
30
What are properties of ABS?
Impact-resistant, tough, and good finish.
31
What is PMMA (acrylic) used for?
Signs, windows, and light covers.
32
What are properties of PMMA?
Hard, transparent, and scratch-resistant.
33
What is nylon used for?
Gears, bearings, and textiles.
34
What are properties of nylon?
Strong, wear-resistant, and low friction.
35
What is rigid PVC used for?
Pipes and window frames.
36
What is flexible PVC used for?
Hosepipes and insulation on wires.
37
What are properties of PVC?
Durable, weatherproof, and flexible with plasticisers.
38
What is PET used for?
Drinks bottles and food trays.
39
What are properties of PET?
Strong, lightweight, and food-safe.
40
What is urea formaldehyde used for?
Electrical fittings and sockets.
41
What are properties of urea formaldehyde?
Hard, brittle, and heat-resistant.
42
What is melamine formaldehyde used for?
Kitchen worktops and laminates.
43
What are properties of melamine formaldehyde?
Hard, heat-resistant, and self-finishing.
44
What is polyester resin used for?
Car body repairs and boat hulls.
45
What are properties of polyester resin?
Strong, brittle, and used with glass fibre.
46
What is epoxy resin used for?
Adhesives and electrical components.
47
What are properties of epoxy resin?
Tough, chemical-resistant, and excellent adhesion.
48
What makes elastomers different from other polymers?
They can stretch and return to their original shape.
49
What are key properties of elastomers?
Stretchy, self-finishing, and often non-toxic.
50
Why are elastomers used for grips?
They improve ergonomics and comfort.
51
What is natural rubber used for?
Tyres and rubber bands.
52
What are properties of natural rubber?
High elasticity and grip.
53
What is polybutadiene used for?
Car tyres and impact-resistant parts.
54
What is neoprene used for?
Wetsuits and laptop sleeves.
55
What are properties of neoprene?
Water-resistant and durable.
56
What is silicone used for?
Bakeware, sealants, and implants.
57
What are properties of silicone?
Flexible, heat-resistant, and non-stick.
58
What are properties of TPE?
Flexible like rubber but processes like plastic.
59
What is TPE (Thermoplastic Elastomer) used for?
Toothbrush grips and handles.
60
Why are biodegradable polymers important?
They reduce pollution and landfill waste.
61
What makes a polymer biodegradable?
It breaks down by sunlight, water, or soil enzymes.
62
Can biodegradable polymers be moulded into 3D shapes?
Yes, they can be formed like standard plastics.
63
What are corn starch polymers used for?
Disposable cutlery and packaging.
64
What is Potatopak used for?
Food trays and containers.
65
What is Biopol (bio-batch additive) used for?
Packaging and disposable items.
66
What is PLA (Polylactide) used for?
3D printing and medical implants.
67
What is PHA used for?
Compostable bags and containers.
68
What is lactide or glycolide (like Ecofilm) used for?
Water-soluble films and laundry bags.

Product Design: Paper 1 (12 decks)

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