polymers. polymers polymer monomer homo jaffe, new world of chemistry, 1955, page 603 chain
TRANSCRIPT
PolymersPolymers
Polymers
polymermonomer
homo
Jaffe, New World of Chemistry, 1955, page 603
chain
copolymer
monomer
PolymerizationPolymerization
Polymers = Monomer + Monomer + …
Synthetic Polymers– Nylon– “plastics”– Vulcanized rubber
Natural Polymers– Silk– Proteins (amino acids)– Starch (sugars)
PolymersPolymers
Ethene (ethylene)
Chloroethene(vinyl chloride)
Polyethylene
Polyvinyl chloride (PVC)
Plastic bottles, film,insulation material
Plastic pipes andtubing, gardenhoses, garbage bags
H2C = CH2 – CH2 – CH2 – CH2 – CH2 –
H2C = CH
Cl
– CH2 – CH – CH2 – CH –
Cl Cl
PolymersPolymers
Teflon
Tetrafluoroethene
Ski and hikingclothing, carpets,artificial joints
Nonstick coatings
Propene (propylene)
CH3CH = CH2 – CH2 – CH – CH2 – CH – Polypropylene
CH3 CH3
F – C = C – F
FF
– C – C – C – C –
FF FF
FF FF
PolymersPolymers
Polystyrene
Plastic filmand wrap
Plastic coffeecups and cartons,insulation
Phenylethene
H2C = CH – CH2 – CH – CH2 – CH –
1,1 Dichloroethene
H2C = C – Cl
Cl – CH2 – C – CH2 – C –
Saran
Cl Cl
Cl Cl
SlimeSlime
PVA + PVA + PVA
– With cross-linking agent(borax solution)