20561003
Descrição
Mapa Mental por marco lorenzo, atualizado more than 1 year ago
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Criado por marco lorenzo
quase 5 anos atrás
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PLASTICS = polymers
- Materials that can acquire and maintain a certain
shape after being in a mould or deformed
- Molecule created by the join and repetition of
structural units called monomers ->polymerisation
- TYPES OF PLASTICS
- According to their internal structure
- Elastomers
- Elastic thermosetting
polymers
- Elastic thermosetting
polymers
- Thermosetting polymers
- 3-D chins of
polymers
- Can be moulded
applying heat and
pressure
- Difficult
to recycle
- 3-D chins of
polymers
- Thermoplastics
- Easy to break by applying heat and
come back together when they are
cooled -> easy to recycled
- Lineal
chain of
polymers
- Easy to break by applying heat and
come back together when they are
cooled -> easy to recycled
- Elastomers
- According to their internal structure
- PLASTIC SHAPING TECHNIQUES
- Calendaring
- To made sheets
- To made sheets
- Blow moulding
- To make plastic bottles
- To make plastic bottles
- Compression
- Spin or rotacional moulding
- Extrusion
- To produce sheets, tubes and
profiles
- To produce sheets, tubes and
profiles
- Vacuum forming
- Injection
- Extrusion into a mold
- Extrusion into a mold
- Calendaring
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