Polymers
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What are the 2 types of polymers
Condensation Addition
What are the 3 main types of condensation polymers
Polypeptides Polyamides Polyesters
What is condensation polymerisation
Where 2 different monomers with at least 2 different functional groups react together and form a link, whilst also releasing water
Where are polypeptides found
In proteins
How are polyamides formed
By reacting diamines and dicarboxylic acids together
How are polyesters formed
By reacting a diol and a dicarboxylic acid together
What is the link called in a polyamide
Amide link
Why do we need a DIamide and a DIcarboxylic acid to form a polyamide
To allow for links to be formed on either side of the molecule and for chains do be formed
Which bonds break in a dicarboxylic acid when it reacts with a diol
The 2 C-OH bonds
Which bonds break in a diol when it reacts with a dicarboxylic acid
The 2 O-H bonds
Which bonds break in a dicarboxylic acid when it reacts with a diamine
The 2 C-OH bonds
Which bond breaks in a diamine when it reacts with a dicarboxylic acid
One of the N-H bonds on either side of the molecule
How many water molecules are released when we form a polyamide
2
Draw the structure of an amide link
What type of polymer is Kevlar
A polyamide
Give 2 uses of kevlar
Bulletproof vests Car tyres
What are the monomers of kevlar
Benzene-1,4-dioic acid Benzene-1,4-diamine
Draw the structure of Benzene-1,4-dioic acid
Draw the structure of Benzene-1,4-diamine
Draw the repeating unit of kevlar
+water
What are the monomers of nylon-6,6
Hexane-1,6-dioc acid Hexane-1,6-diamine
Draw the structure of Hexane-1,6-dioc acid
Draw the structure of Hexane-1,6-diamine
Draw the repeating unit of Nylon-6,6
n in corner
