Chemsheets AS006 (Electron arrangement)

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Presentation transcript:

Chemsheets AS006 (Electron arrangement) 05/12/2018 www.CHEMSHEETS.co.uk POLYMERS © www.chemsheets.co.uk A2 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 A2 1095 17-Jul-16

Condensation polymers 05/12/2018 POLYMERS Addition polymers Condensation polymers © www.chemsheets.co.uk A2 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 A2 1095 17-Jul-16

Chemsheets AS006 (Electron arrangement) 05/12/2018 www.CHEMSHEETS.co.uk ADDITION POLYMERS © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

n ethene poly(ethene) polythene © www.chemsheets.co.uk A2 1095 17-Jul-16

poly(ethene) polythene monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

n propene poly(propene) © www.chemsheets.co.uk A2 1095 17-Jul-16

Polypropene

Poly(propene) monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

n phenylethene poly(phenylethene) polystyrene © www.chemsheets.co.uk A2 1095 17-Jul-16

Polystyrene

Poly(phenylethene) polystyrene monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

n chloroethene poly(chloroethene) PVC © www.chemsheets.co.uk A2 1095 17-Jul-16

PVC

Poly(chloroethene) PVC monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

poly(tetrafluoroethene) PTFE / Teflon © www.chemsheets.co.uk A2 1095 17-Jul-16

PTFE / Teflon

Poly(tetrafluoroethene) Teflon monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

n superglue methyl 2-cyanopropenoate poly(methyl 2-cyanopropenoate) © www.chemsheets.co.uk A2 1095 17-Jul-16

superglue

monomer structure polymer structure repeating unit poly(methyl 2-cyanopropenoate) superglue monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

© www.chemsheets.co.uk A2 1095 17-Jul-16

n perspex methyl 2-propenoate poly(methyl 2-propenoate ) © www.chemsheets.co.uk A2 1095 17-Jul-16

perspex

monomer structure polymer structure repeating unit poly(methyl 2-propenoate ) Perspex monomer structure polymer structure repeating unit © www.chemsheets.co.uk A2 1095 17-Jul-16

Chemsheets AS006 (Electron arrangement) 05/12/2018 www.CHEMSHEETS.co.uk CONDENSATION POLYMERS © www.chemsheets.co.uk A2 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 A2 1095 17-Jul-16

Chemsheets AS006 (Electron arrangement) 05/12/2018 www.CHEMSHEETS.co.uk POLYAMIDES © www.chemsheets.co.uk A2 1095 17-Jul-16

dicarboxylic acid diamine –H2O © www.chemsheets.co.uk A2 1095 17-Jul-16

Dicarboxylic acid + diamine Polyamides Dicarboxylic acid + diamine –H2O repeating unit polymer structure © www.chemsheets.co.uk A2 1095 17-Jul-16

Polyamides e.g. nylon-6,6 1,6-diaminohexane hexane-1,6-dioic acid repeating unit polymer structure © www.chemsheets.co.uk A2 1095 17-Jul-16

e.g. nylon

Hydrogen bonds between chains From Wikipedia

Polyamides e.g. Kevlar 1,4-diaminobenzene benzene-1,4- dicarboxylic acid repeating unit polymer structure © www.chemsheets.co.uk A2 1095 17-Jul-16

e.g. Kevlar

contains both acid + amine group Polyamides Amino acids POLYMER MONOMER repeating unit contains both acid + amine group polymer structure © www.chemsheets.co.uk A2 1095 17-Jul-16

Chemsheets AS006 (Electron arrangement) 05/12/2018 www.CHEMSHEETS.co.uk POLYESTERS © www.chemsheets.co.uk A2 1095 17-Jul-16

dicarboxylic acid diol –H2O © www.chemsheets.co.uk A2 1095 17-Jul-16

Dicarboxylic acid + diol Polyesters Dicarboxylic acid + diol – H2O –H2O repeating unit polymer structure © www.chemsheets.co.uk A2 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 A2 1095 17-Jul-16

e.g. terylene (PET)