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Summary A2 Unit 2: Polymers

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Summary of Polymers for Chemistry A2 Unit 2 CCEA GCE

Institution
Course

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Polymer a largemoleculeconsisting ofmanyrepeating monomerunitsjoinedtogether
Monomer a smallmoleculejoiningtogethertoform a longchain polymer



Condensation polymerisation


polymer polymersformedbythe elimination
Condensation
ofsmall molecules such as water
hydrogen chloridewhenmonomers bond together


Polyesters
theinertia Finishes P
benzene
it aiiii gucaciaemane1,2 aid LTips

no Engine ii o n
fo.ir Eo
polyethyleneterephthalate
i
PET
fneaisns
Ofuse a diacylchloride


iii
a
o
i.io
II nine


00
Whywould a diacylchloride be usedinstead of a C A
morereactive
betteryield
more reactive
HCl is gaseous making an more difficulttoreverse

Uses
ofPET
barrier
against movement gases
good
semirigid light l transparent
of thereforeusedinplastic
bottles

treatedwithmetal toforminsulatingsheeting
used tomake blishpackets thattabletscomein go.ie E o o i con
4Ngaon
Hydrolysis
of polyesters


easily hydrolysised bydiluteacidsalkalis 2 nato cfona Ho f on
polyesterattachedreadily butmuchslowerbydiluteacids 242
a polymerwhich canbe hydrolysed bytheaction
Biodegradable polymer
ofmicroorganisms

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