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PLASTICS - Coggle Diagram
PLASTICS
Properties of plastics
Strength, elasticity, rigidity and flexibtflty are charactenstics of many plastics
thermal
electrical
other properties
acoustic
mechanical
Ecolojical properties
Mechanical recycling
Extrusion
Pelletising
Agglutination
Floating
Separation and crushing
Chemical recycling
Energetic recycling
disolve on hot water
disolve on some bactereas
Clasification of plastics
Thermoplastics
They' re made up of weakly formed molecular chains.
Elastomers
Made by vulcanisationi mixing sulphur and rubber, and heating to 160 C
Thermostable
These plastics are made from compounds dertved from petroleum
Origin and transformation of plastics
Synthetic plastics
are made from compounds extracted from
petroleum, natural gas and carbon
Natural plastics
are obtained directly from raw vegetable matenals
