CHEMSHEETS POLYMERS www chemsheets co uk A 2

CHEMSHEETS POLYMERS © www. chemsheets. co. uk A 2 1095 17 -Jul-16

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 A 2 1095 17 -Jul-16

POLYMERS Addition polymers Condensation polymers © www. chemsheets. co. uk A 2 1095 17 -Jul-16

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 A 2 1095 17 -Jul-16

CHEMSHEETS ADDITION POLYMERS © www. chemsheets. co. uk A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n ethene poly(ethene) polythene © www. chemsheets. co. uk A 2 1095 17 -Jul-16

poly(ethene) polythene monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n propene poly(propene) © www. chemsheets. co. uk A 2 1095 17 -Jul-16

Polypropene

Poly(propene) monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n phenylethene poly(phenylethene) polystyrene © www. chemsheets. co. uk A 2 1095 17 -Jul-16

Polystyrene

Poly(phenylethene) polystyrene monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n chloroethene poly(chloroethene) PVC © www. chemsheets. co. uk A 2 1095 17 -Jul-16

PVC

Poly(chloroethene) PVC monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n tetrafluoroethene poly(tetrafluoroethene) PTFE / Teflon © www. chemsheets. co. uk A 2 1095 17 -Jul-16

PTFE / Teflon

Poly(tetrafluoroethene) Teflon monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n methyl 2 -cyanopropenoate poly(methyl 2 -cyanopropenoate) superglue © www. chemsheets. co. uk A 2 1095 17 -Jul-16

superglue

poly(methyl 2 -cyanopropenoate) superglue monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

© www. chemsheets. co. uk A 2 1095 17 -Jul-16

n methyl 2 -propenoate poly(methyl 2 -propenoate ) perspex © www. chemsheets. co. uk A 2 1095 17 -Jul-16

perspex

poly(methyl 2 -propenoate ) Perspex monomer structure polymer structure © www. chemsheets. co. uk repeating unit A 2 1095 17 -Jul-16

CHEMSHEETS CONDENSATION POLYMERS © www. chemsheets. co. uk A 2 1095 17 -Jul-16

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 A 2 1095 17 -Jul-16

CHEMSHEETS POLYAMIDES © www. chemsheets. co. uk A 2 1095 17 -Jul-16

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

Dicarboxylic acid + diamine Polyamides –H 2 O repeating unit polymer structure © www. chemsheets. co. uk A 2 1095 17 -Jul-16

Polyamides e. g. nylon-6, 6 1, 6 -diaminohexane-1, 6 -dioic acid repeating unit polymer structure © www. chemsheets. co. uk A 2 1095 17 -Jul-16

e. g. nylon

Hydrogen bonds between chains From Wikipedia

Polyamides e. g. Kevlar 1, 4 -diaminobenzene-1, 4 dicarboxylic acid repeating unit polymer structure © www. chemsheets. co. uk A 2 1095 17 -Jul-16

e. g. Kevlar

Amino acids Polyamides POLYMER MONOMER repeating unit contains both acid + amine group polymer structure © www. chemsheets. co. uk A 2 1095 17 -Jul-16

CHEMSHEETS POLYESTERS © www. chemsheets. co. uk A 2 1095 17 -Jul-16

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 A 2 1095 17 -Jul-16

Polyesters e. g. terylene (PET) ethane-1, 2 -diol benzene-1, 4 dicarboxylic acid repeating unit polymer structure © www. chemsheets. co. uk A 2 1095 17 -Jul-16

e. g. terylene (PET)