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458285
polyesters
Description
a level chem 4 Mind Map on polyesters, created by becca.dodd on 30/12/2013.
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chem 4
a level
Mind Map by
becca.dodd
, updated more than 1 year ago
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Created by
becca.dodd
almost 11 years ago
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Resource summary
polyesters
forming
diol + dicarboxylic acid (2 different monomers)
example terylene
2 hydroxycarboxylic acid (2 same monomers)
example lactice acid
water released
ester bond formed
O-C=O
hydrolysis
base
hot aq alkalis
forms sodium and OH goup
COO'Na+ & OH
acid
hot aq acid (need water)
monomer units produced
slower than hot aq alkalis
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