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Chemistry

Polymers and Polyesters (Section 6)

QuestionAnswer
What name is given to the small molecules that combine together to form a polymer? Monomers
What types of hydrocarbon combine in addition polymerisation? Alkenes
The monomers that make up polymers have a ____________ bond double covalent
What 2 conditions are required during addition polymerisation? 1. Catalyst 2. Pressure
How do we get the name of a polymer? Put brackets around the monomer name and put 'poly' in front of it
How do we get the formula for a polymer? Put brackets around the formula for the monomer and put an 'n' after it
Most addition polymers don't react easily, making them ______ inert
Why are most addition polymers inert? The carbon-carbon bonds are very strong and difficult to break
Addition polymers take a very long time to __________ biodegrade
Why is it not a good idea to burn addition polymers? It releases toxic gases
What type of polymer is biodegradable? Condensation polymers
Why are condensation polymers biodegradable? Ester links can be broken down by microorganisms
How many types of monomer does condensation polymerisation usually involve? 2
In condensation polymerisation, each monomer has to contain at least how many functional groups? 2, one on the end of each molecule
Polyesters form when _________ monomers and _________ monomers react together dicarboxylic acid, diol
Dicarboxylic acid monomers contain two ________ groups carboxylic acid
Diol monomers contain two _______ groups alcohol
In condensation polymerisation, the carboxylic acid group reacts with the alcohol group to form what? An ester link
Some polyesters are ___________, reducing their pollutant effect biodegradable
Why do addition polymers not biodegrade easily? They are inert
Created by: JoeMather
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