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3945688
Plastics and Polymers
Descrição
Plastics and Polymers
Sem etiquetas
plastic
polymer
monomer
polyethylene
material selection
hnc
Mapa Mental por
Billie Juniper
, atualizado more than 1 year ago
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Menos
Criado por
Billie Juniper
aproximadamente 9 anos atrás
33
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Resumo de Recurso
Plastics and Polymers
Plastics
Most are Man-made
Synthetic Plastics
Made from
Crude oil
When refined gasses are given off
Broken down into monomers
Chemical substances consisting of a single molecule
Thousands are linked together in a process called Polymerisation to form new compounds called POLYMERS
Natural Gases
Taken place of metal and wood
Differ from other materials due to size of molecules
Plastics contain thousands of molecules
Macromolecules
Some are derived from natural substances
Made from
Animals
Insects
Plants
Polymers
Meaning many monomers
Also known as Macromolecules or Large-Sized Molecules
Usually organic but not necessarily
Can be made up of thousands of monomers
Polymerisation
Chemical Process
Combines several monomers to form a polymer or polymeric compound
With the aid of a catalyst to start the reaction
A Monomer in a molecule that is able to bond in long chains
Polyethylene
Most popular in the world
Uses
Grocery bags
Shampoo bottles
Toys
Bullet proof vests
Properties
Simple Structure
Long chain of carbon atoms with 2 hydrogen atoms attached to each carbon atom
Versatile
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