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Thermo-Plastics - Coggle Diagram
Thermo-Plastics
Polythene
LDPE (Low Density)
More flexible / Less dense
HDPE (High density)
Tough / Inflexible
Raw materials for plastics
Oil/Coal/Gas
Crude oil - Goes through a distillation process
Problems with plastics
Cannot be rotted or corroded
Can take thousands of years to degrade
Contains oestrogen
Emit dangerous materials when degraded
If burnt, they produce black choking gas
Sticky and cause severe burns when melted
Usefulness can be limited due to degration of desire properties
Production and recycling can be polluting
PVC contains nasty pollutants
Wastes a lot of water
Loose chain molecules
ABS
Tough / Strong / Scratch resistant
Used for household appliances
PVC
Strong / Stiff / Chemical/Weather resistant
Drainpipe
Protective equipment boots
Polystyrene (PS)
Light and brittle
Disposable box
Styrofoam cup
Good thermal insulator
Polypropylene (PP)
Translucent (Lets light through)
lasercuts very well
Solid or sheet material
Nylon
Hard and tough
Resistant to wear
Fabrics / Ropes / etc.
Acrylic (PMMA)
Used for line bending
Strong / Scratches easily
