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PLASTICS - Coggle Diagram
PLASTICS
origins and transformation of plastic: depending on their origing, we can describe plastic as siynthetic or natural
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synthetic materials: are made from compounds extracted from petroleum, naural gas and carbon. the mayority of plastics elong to this group
plastics play a big part in hour diaily lives. we all know that they are used for making containers and packaging. but we also use plastics in many economic and industrial sectors.
for example:
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construction and medicine,
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ecologic properties: we can recycle plastics, there are three recycling process: chemical, mechanical and energetic
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shaping and finishing tenicques: we can use different toold and machinnes to finnish the platics objects that we have made
ptincipal tecniques are cutting, perforating, trimming and filling
joinning plastics: when plastics have been formed, shaped and finnished, we can join piece to each others
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textiles and leather: natural fibres and leather: the fibres are cleaned, untangled, scretched and dyed to make threads, those threads are woven toi make cloth.
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synthetic fibres: synthetic fibres such as nyon, polyester, rayon and lycra are plastics
stone and ceramics: these matierials found as large blocks of blocks within the earth. for example marble, granite ad slate
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during the manufacture process, we can add materuials such as, fibreglass, textile fibres, paper silica, and sawdust to reduce prodution cost, and to develop certain characteristics
we can incorporate chemical additives to increase flexibility and t strehgthen the polymers, we can add pigments to give colour to the plastics.
formation tecniques: extrusion, lamination, vaccum froming, moulding, blow moulding,