CHEMSHEETS POLYMERS www chemsheets co uk GCSE 1244


























































- Slides: 58

CHEMSHEETS POLYMERS © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

WHAT ARE POLYMERS? (MACROMOLECULE • • Very long molecules Thermosoftening polymers Covalent bonds within chains Chains not joined together (but often tangled up)

WHAT ARE POLYMERS? (MACROMOLECULE monom er polymer © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Some definitions Polymer long chain molecule made from lots of small molecules joined together Monomer small molecules that join together to make polymers © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

POLYMERS Addition polymers Condensation polymers © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Some definitions Addition Polymerisation formation of long chain molecules from lots of small molecules joining together with no other products Condensation Polymerisation formation of long chain molecules from lots of small molecules joining together with another small molecule (e. g. water) produced as well © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

CHEMSHEETS ADDITION POLYMERS © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n ethene poly(ethene) polythene © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

poly(ethene) polythene monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n propene poly(propene) © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polypropene

Poly(propene) monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n phenylethene poly(phenylethene) polystyrene © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polystyrene

Poly(phenylethene) polystyrene monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n chloroethene poly(chloroethene) PVC © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

PVC

Poly(chloroethene) PVC monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n tetrafluoroethene poly(tetrafluoroethene) PTFE / Teflon © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

PTFE / Teflon

Poly(tetrafluoroethene) Teflon monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n methyl 2 -cyanopropenoate poly(methyl 2 -cyanopropenoate) superglue © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

superglue

poly(methyl 2 -cyanopropenoate) superglue monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

© www. chemsheets. co. uk GCSE 1244 17 -Jul-17

n methyl 2 -propenoate poly(methyl 2 -propenoate ) perspex © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

perspex

poly(methyl 2 -propenoate ) Perspex monomer structure polymer structure © www. chemsheets. co. uk repeating unit GCSE 1244 17 -Jul-17

CHEMSHEETS CONDENSATION POLYMERS © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Some definitions Addition Polymerisation formation of long chain molecules from lots of small molecules joining together with no other products Condensation Polymerisation formation of long chain molecules from lots of small molecules joining together with another small molecule (e. g. water) produced as well © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

CHEMSHEETS POLYESTERS © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

dicarboxylic acid diol –H 2 O © www. chemsheets. co. uk A 2 1095 17 -Jul-16

Polyesters Dicarboxylic acid + diol – H 2 O –H 2 O repeating unit polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polyesters monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polyesters e. g. terylene (PET) ethane-1, 2 -diol benzene-1, 4 dicarboxylic acid repeating unit polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

e. g. terylene (PET)

CHEMSHEETS POLYAMIDES © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

dicarboxylic acid diamine –H 2 O © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Dicarboxylic acid + diamine Polyamides –H 2 O repeating unit polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polyamides monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polyamides e. g. nylon-6, 6 1, 6 -diaminohexane-1, 6 -dioic acid repeating unit polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

Polyamides e. g. nylon-6, 6 1, 6 -diaminohexane-1, 6 -dioic acid repeating unit polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

e. g. nylon

Polyamides e. g. Kevlar 1, 4 -diaminobenzene-1, 4 dicarboxylic acid repeating unit polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

e. g. Kevlar

Amino acids Polyamides POLYMER MONOMER repeating unit contains both acid + amine group polymer structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

EXAMPLE 1 monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

EXAMPLE 2 monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

EXAMPLE 3 monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

EXAMPLE 4 monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

EXAMPLE 5 monomer polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17

EXAMPLE 6 monomers polymer – repeating unit polymer – structure © www. chemsheets. co. uk GCSE 1244 17 -Jul-17