Polyesters and Polyamides - 6
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What is condensation in terms of polymers
Small molecule eliminated to form a larger molecule
What properties do these monomers forming condensation polymers have
Each has two functional groups
Examples of condensation polymers
Polyesters Polyamides Polypeptides
What is the linkage in a polyester
Ester bond
What molecule is eliminated in formation of a polyester
Water
What is terylene used for
As a fibre for making clothes
Which monomers is terylene made from
Benzene - 1, 4 - dicarboxylic acid Ethane - 1,2 - diol
What is the linkage inn a polyamide
The peptide bond
What are the two monomers used to form a polyamide
Diamine and dicarboxylic acid
Examples of polyamides
Nylon Kevlar
Which monomers is Nylon - 6,6 made from
1,6 - diaminohexane Hexanedioic acid
Which monomers make up Kevlar
1,4 - diaminobenzene Benzene - 1,4 - dicarboxylic acid
Why are poly(alkenes) not biodegradable
Non-polar C-H and C-C bonds
Why is it bad to burn poly(alkenes)
Releases CO2, CO, c and other toxic chemicals from monomers
Why can condensation polymers be broken down
They have polar bonds
How are condensation polymers broken down
Hydrolysis
Why do polyesters not show hydrogen bonding
All O-H bonds are removed during polymerisation