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A level Design and Technology > 1.3 Polymers - Thermoplastics > Flashcards

1.3 Polymers - Thermoplastics Flashcards

1
Q

What are thermo plastics

A

Material which can be repeatedly reheated and reshaped

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2
Q

What are thermosetting plastics

A

material which when heated chemically changes where molecules form rigid cross links

CANT BE REHEATED AND RESHAPED

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3
Q

What are elastomers

A

Materials which at room temp can be deformed under pressure and then when released go back to original shape

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4
Q

What are the thermoplastics we must know (8)

A

Acrylic
LDPE
HDPE
PET
PVC
uPVC
PP
ABS

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5
Q

What are the properties of acrylic

A

tough,hard, good chemical resistance, available translucent.

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6
Q

What are the properties of LDPE

A

very tough and chemical/weather proof.
Low rigidity

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7
Q

What are the properties of HDPE

A

weatherproof, tough and good chemical resistance

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8
Q

What are the properties of PET

A

hard, tough and good chemical resistance

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9
Q

What are the properties of PVC

A

tough, flexible, good weather//chemical resistance

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10
Q

What are the properties of uPVC

A

rigid, tough, hard, good chemical/weathering resistance

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11
Q

What are the properties of PP

A

good chemical resistance and fatigue resistance

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12
Q

What are the properties of ABS

A

tough and hard

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13
Q

What are the uses of Acrylic

A

Car light casing, laser cut items, lighting units//lighting covers

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14
Q

What are the uses of LDPE

A

Detergent bottles (squeeze), carrier bags, food trays, food wrap film

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15
Q

What are the uses of HDPE

A

Chemical drum, long life carrier bags, buckets, bowls

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16
Q

What are the uses of PET

A

Single use drink bottles, bottles of detergent//shampoo

17
Q

What are the uses of PVC

A

Hose pipes, cable insulation, seat covers

18
Q

What are the uses of uPVC

A

window frames, external doors, guttering, bank cards

19
Q

What are the uses of PP

A

Rope, folders, food containers

20
Q

What are the uses of ABS

A

Telephone handsets, rigid luggage, calculator cases

A level Design and Technology (9 decks)

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