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A Level DT > Polymers > Flashcards

Polymers Flashcards

1
Q

Types of polymers?

A

Thermoplastics
Thermosetting polymers
Elastomers
Biodegradable polymers

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2
Q

Types of Thermopolymers?

A

Acrylic
High impact polystyrene (HIPS)
Polypropylene (PP)
Nylon
Polyethylene terephthalate (PET)
Low density polyethylene (LDPE)
High density polyethylene (HDPE)
Polyvinyl chloride (PVC)

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3
Q

Types of thermoset polymers?

A

Urea formaldehyde (UF)
Melamine formaldehyde (MF)
Polyester resin
Expoxy resin

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4
Q

Types of elastomers?

A

Natural rubber
Butadiene rubber
Neoprene
Silicone

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5
Q

Types of biodegradable polymers?

A

Corn starch polymer
Potato pack
Biopol
Polylactide acid
Polyhydroxyalkar
Lactide
Glycoside

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6
Q

Properties of LDPE

A

good chemical resistance
Waterproof
Low level of rigidity

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7
Q

Properties of HDPE

A

Good chemical resistant
Translucent
65 degree safe working temperature

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8
Q

Properties of PP

A

Safe working temperature 70 degrees
Good fatigue resistant
Good chemical resistant

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9
Q

Properties of HIPS

A

Safe working temperature 70 degrees
Rigid
Tough

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10
Q

Properties of acrylic

A

Safe working temperature 95 degrees
Hard
Good chemical resistant

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11
Q

Properties of acrylic

A

Safe working temperature 95 degrees
Hard
Good chemical resistant

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12
Q

Properties of nylon

A

Safe working temperature 150 degrees
Low coefficient of friction
Corrosion resistant

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13
Q

Properties of PVC

A

Safe working temperature 95 degrees
Good weathering resistant
Flexible

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14
Q

Properties of UF

A

Safe working temperature 80 degrees
Electrical insulator
Heat resistant

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15
Q

Properties of MF

A

Safe working temperature 130 degrees
Opaque
Heat resistant
Chemical resistant

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16
Q

Properties of polyester resin

A

Safe working temperature 95 degrees
Brittle
Rigid
Heat resistant

17
Q

Properties of expose resin?

A

Safe working temperature 80-200 degrees
Clear
Rigid
Chemical resistant

A Level DT (6 decks)

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