Polymers Flashcards
Corn Starch Polymer
Natural bio-polymer
Made from high starch vegetables
Take away food containers
Urea Formaldehyde
Thermosetting
Hard
Heat resistant
Good electrical insulator
Brittle
Mains plugs
Melamine Formaldehyde
Thermosetting
Hard
Opaque
Tough
Heat resistant
Food safe
Chemical resistant
Picnic cutlery
Epoxy Resin
Thermosetting
Rigid
Clear
Hard
Tough
Chemical Resistant
Glue and encapsulation of electrical components
Polyester Resin
Thermosetting
Rigid
Heat resistant
Chemical resistant
Brittle
Car body panels
Natural rubber or polyisoprene
Elastomer
High tensile strength
Low elongation
Hardness
Tough
Electrical insulator
cold resistance
Car tyres, balloons
Butadiene Rubber
Tough
Wear resistance against friction
Thermal resistance against friction
Electrical insulator
Shoe soles, conveyor belt
Neoprene or polychroloprene rubber
Elastomer
Thermal resistance
Toughness
Oil and chemical resistance
Weather resistance
Abrasion resistance
Electrical insulator
Laptop cases, wetsuits
Silicone
Elastomer
Flexible at low temperatures
Poor abrasion resistance
Thermal resistance
Extreme temperature resistance
Weather resistance
Lubricating qualities
Electrical insulator
Kitchen equipment
Thermoplastic elastomer
Elastomer
Chemical resistance
Electrical insulator
Flexibility
Low melting point
Tear resistance
Phone cases and blue gloves
LDPE
Thermoforming
Tough
Chemical resistant
Weather proof
Can be translucent
Low rigidity
Clingfilm, black plastic sack
HDPE
Thermoforming
Can be translucent
Weather proof
Tough
Chemical resistance
Blue drums/barrels
PP
Thermoforming
Can be translucent
Chemical resistant
Tough
Fatigue resistance
Tupperware, bottle lids
HIPS
Thermoforming
Hard
Rigid
Can be translucent
Tough
Toilet seats, yoghurt pot
ABS
Thermoforming
Tough
Hard
Can be opaque
Lego, calculator
PMMA or Acrylic
Thermoforming
Tough
Hard
Chemical resistant
Can be translucent
Car light covers, bathtubs
Propmt here
Nylon
Clarifier here
Footnoite here
Thermoforming
Tough
Corrosion resistant
Temperature resistance
Low coefficient of friction
Boil in bag rice, cable ties
uPVC (rigid polyvinyl chloride)
Thermoforming
Rigid
Opaque
Tough
Hard
Weather resistance
Chemical resistance
Credit Cards
Flexible polyvinyl chloride
Thermoforming
Can be translucent
Tough
Flexible
Weather resistance
Chemical resistance
Wind dancing men, piping
Potatopak
Natural bio-polymer
Made from potato starch
Single use food items
Biopol
Natural Bio-polymer
Made from bacteria
Additive to promote degradation
Carrier bags, surgical stitches
Polylactic acid
Synthetic bio-polymer
Made from corn kernels/cane sugar, fermented to produce lactic acid and synthesised to create polylactic acid
3D printing
PHA (polyhrdroxyalkanoate)
Natural bio-polymer
Made from bacteria
Fully compostable
Packaging, medical uses such as slow release medication patches
Lactide
Synthetic bio-polymer
Fully compostable
water soluble
PLA and cellulose based
Biomedical applications