Polymers Flashcards
Atoms in polymer molecules are linked by ____________ bonds
Covalent
The _____________ bonds between polymer molecules are relatively __________ and so the substances are _________ at room temperature
Intermolecular
Strong
Solid
Polymers are joined by a reaction called ___________ ________________
Addition polymerisation
Give an example of a polymer
Plastic
Polymers are a group of molecules which are made up of ________ chains of lots of the _________ molecule joined together
Long
Same
What is the mother of all polymers?
Ethene
Plastics that can get heated and cooled over and over are called what?
Thermoplastics
Thermosoftening plastics
Plastics that can only be heated and shows once are called what?
Thermosets
Thermosetting plastics
Some polymers can form ________ __________ by themselves or by using another molecule
Cross linking
Why do plastics have different properties?
Their structure
OR
How they’re manufactured
What must a monomer have to make a polymer?
A double bond
What is one of the most simple repeating units?
A monomer
