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Raw Materials - Coggle Diagram
Raw Materials
plastics
Origin:
- It all started when the society proposed to create billiard balls with another material.
- John Weisley Hyatt and Alexander Parks created celluloid, the first type of plastic.
Characteristics:
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Thay are two types
Thermosetting plastics
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Example
- Polyurethanes
- Epoxy resins
- Bakelite
- Polyester resin
Thermoplastics
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Examples
- Polypropylene (PP)
- Polyethylene (PE)
- Polystyrene
- PVC: Polyvinyl Chloride
- ABS
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Cardboard
Origin:
Invented during the 15th century in China. Produced commercially in England, 1871.
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Uses:
- Can be transformed in compost
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Timber
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Characteristics
- Resistant to damp environment
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- You can found it in the lower part of the bark of trees
Uses
- Combustion used to heat homes
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Textiles
uses
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backpacks, curtains, pillow covers, teddy bear, etc
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Origin
The earliest textiles were nets, executed especially in Asia, Africa, and Peru.
Characteristics
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- 2 types: Filament fibers and Staple fibers.
- come from minerals, plants and animals
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metals
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Uses
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Build cars, trains, trucks
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Help in security, strong doors, locks
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glass
Origin
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At the beginning, they started making beakers and dishes.
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How is made?
Is made of sand, limestone and soda ash.
acrylic
Origin
The first acrylic was celluloid, developed in 1869 by John Wesley Hyatt.
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Caracteristics
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it can be colored, molded, cut and fomed
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Uses
Use to make windows, airplane windshields, skylights and mirrors
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Composites materials
Uses
In buildings, bridges, bath tubes, swimming pools.
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Characteristics
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- Excellent electrical characteristics
- Resistance to high temperatures
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