Synthetic & Natural Polymers (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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What is addition polymerisation?
What is addition polymerisation?
Process where alkene monomers join to form long polymer chains
What are polymers?
What are polymers?
Long chains of molecules
What are monomers in addition polymerisation?
What are monomers in addition polymerisation?
Alkenes - small molecules that join to form polymers
What key feature do alkenes have for polymerisation?
What key feature do alkenes have for polymerisation?
Carbon-carbon double bond (C=C)
What happens to the C=C bond during addition polymerisation?
What happens to the C=C bond during addition polymerisation?
Opens up, allowing monomers to bond together
What structure forms when monomers join together?
What structure forms when monomers join together?
A polymer chain
What happens when the process repeats many times?
What happens when the process repeats many times?
Long polymer chain forms from many monomers
In addition polymerisation, what happens to monomer atoms?
In addition polymerisation, what happens to monomer atoms?
All atoms end up in the polymer chain
How many products form in addition polymerisation?
How many products form in addition polymerisation?
Only one - the polymer
Are by-products formed in addition polymerisation?
Are by-products formed in addition polymerisation?
No - all atoms go into the polymer