C5.7- Polymerisation Flashcards
What are the 2 types of polymerisation?
Addition
Condensation
What happens in addition polymerisation?
Alkene molecules open up their C=C bond
What is the monomer, repeating unit and polymer for Ethene?
Ethene
Ethene with single carbon bond and lines along side.
Poly(Ethene)
What is the full equation for the addition polymerisation of Ethene, dichloroethene and Propene ?
n(Ethene)—>(repeating unit)n
Poly(Ethene)
n(dichloroethene)—>(repeating unit)n
Poly(dichloroethene)
n(Propene)—>(repeating unit)n
Poly(Propene)
What are the 2 types of condensation polymers?
Synthetic
Natural
What does condensation polymerisation require and release?
2 different functional groups
Releases smaller molecule
What is a polyester made of?
Monomer with 2 carboxylic groups and monomer with 2 alcohol groups
What is the general word equation for the formation for a polyester?
Dicarboxylic acid+diol—>polyester+ water
Draw the structure equation for the reaction between hexanedioic acid and ethane diol
Check book
How can polyesters also be formed?
Formed from a monomer with a functional group on each end
What are polyamides made from?
Carboxylic acid monomer (COOH functional group) and amine monomer (NH2 functional group)
What is the general word equation for polyamide production?
Dicarboxylic acid+diamine —> polyamide+ water
What is the amide link?
O
||
C—N
|
H
What natural polymer do amino acids form?
Polypeptide
What functional groups do amino acids have?
Carboxylic and amine
